| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.telephony; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.SystemProperties; |
| import android.provider.Contacts; |
| import android.provider.ContactsContract; |
| import android.text.Editable; |
| import android.text.SpannableStringBuilder; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.SparseIntArray; |
| |
| import static com.android.internal.telephony.TelephonyProperties.PROPERTY_ICC_OPERATOR_ISO_COUNTRY; |
| import static com.android.internal.telephony.TelephonyProperties.PROPERTY_IDP_STRING; |
| import static com.android.internal.telephony.TelephonyProperties.PROPERTY_OPERATOR_ISO_COUNTRY; |
| |
| import java.util.Locale; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * Various utilities for dealing with phone number strings. |
| */ |
| public class PhoneNumberUtils |
| { |
| /* |
| * Special characters |
| * |
| * (See "What is a phone number?" doc) |
| * 'p' --- GSM pause character, same as comma |
| * 'n' --- GSM wild character |
| * 'w' --- GSM wait character |
| */ |
| public static final char PAUSE = ','; |
| public static final char WAIT = ';'; |
| public static final char WILD = 'N'; |
| |
| /* |
| * TOA = TON + NPI |
| * See TS 24.008 section 10.5.4.7 for details. |
| * These are the only really useful TOA values |
| */ |
| public static final int TOA_International = 0x91; |
| public static final int TOA_Unknown = 0x81; |
| |
| static final String LOG_TAG = "PhoneNumberUtils"; |
| private static final boolean DBG = false; |
| |
| /* |
| * global-phone-number = ["+"] 1*( DIGIT / written-sep ) |
| * written-sep = ("-"/".") |
| */ |
| private static final Pattern GLOBAL_PHONE_NUMBER_PATTERN = |
| Pattern.compile("[\\+]?[0-9.-]+"); |
| |
| /** True if c is ISO-LATIN characters 0-9 */ |
| public static boolean |
| isISODigit (char c) { |
| return c >= '0' && c <= '9'; |
| } |
| |
| /** True if c is ISO-LATIN characters 0-9, *, # */ |
| public final static boolean |
| is12Key(char c) { |
| return (c >= '0' && c <= '9') || c == '*' || c == '#'; |
| } |
| |
| /** True if c is ISO-LATIN characters 0-9, *, # , +, WILD */ |
| public final static boolean |
| isDialable(char c) { |
| return (c >= '0' && c <= '9') || c == '*' || c == '#' || c == '+' || c == WILD; |
| } |
| |
| /** True if c is ISO-LATIN characters 0-9, *, # , + (no WILD) */ |
| public final static boolean |
| isReallyDialable(char c) { |
| return (c >= '0' && c <= '9') || c == '*' || c == '#' || c == '+'; |
| } |
| |
| /** True if c is ISO-LATIN characters 0-9, *, # , +, WILD, WAIT, PAUSE */ |
| public final static boolean |
| isNonSeparator(char c) { |
| return (c >= '0' && c <= '9') || c == '*' || c == '#' || c == '+' |
| || c == WILD || c == WAIT || c == PAUSE; |
| } |
| |
| /** This any anything to the right of this char is part of the |
| * post-dial string (eg this is PAUSE or WAIT) |
| */ |
| public final static boolean |
| isStartsPostDial (char c) { |
| return c == PAUSE || c == WAIT; |
| } |
| |
| /** Returns true if ch is not dialable or alpha char */ |
| private static boolean isSeparator(char ch) { |
| return !isDialable(ch) && !(('a' <= ch && ch <= 'z') || ('A' <= ch && ch <= 'Z')); |
| } |
| |
| /** Extracts the phone number from an Intent. |
| * |
| * @param intent the intent to get the number of |
| * @param context a context to use for database access |
| * |
| * @return the phone number that would be called by the intent, or |
| * <code>null</code> if the number cannot be found. |
| */ |
| public static String getNumberFromIntent(Intent intent, Context context) { |
| String number = null; |
| |
| Uri uri = intent.getData(); |
| String scheme = uri.getScheme(); |
| |
| if (scheme.equals("tel")) { |
| return uri.getSchemeSpecificPart(); |
| } |
| |
| // TODO: We don't check for SecurityException here (requires |
| // CALL_PRIVILEGED permission). |
| if (scheme.equals("voicemail")) { |
| return TelephonyManager.getDefault().getCompleteVoiceMailNumber(); |
| } |
| |
| if (context == null) { |
| return null; |
| } |
| |
| String type = intent.resolveType(context); |
| String phoneColumn = null; |
| |
| // Correctly read out the phone entry based on requested provider |
| final String authority = uri.getAuthority(); |
| if (Contacts.AUTHORITY.equals(authority)) { |
| phoneColumn = Contacts.People.Phones.NUMBER; |
| } else if (ContactsContract.AUTHORITY.equals(authority)) { |
| phoneColumn = ContactsContract.CommonDataKinds.Phone.NUMBER; |
| } |
| |
| final Cursor c = context.getContentResolver().query(uri, new String[] { |
| phoneColumn |
| }, null, null, null); |
| if (c != null) { |
| try { |
| if (c.moveToFirst()) { |
| number = c.getString(c.getColumnIndex(phoneColumn)); |
| } |
| } finally { |
| c.close(); |
| } |
| } |
| |
| return number; |
| } |
| |
| /** Extracts the network address portion and canonicalizes |
| * (filters out separators.) |
| * Network address portion is everything up to DTMF control digit |
| * separators (pause or wait), but without non-dialable characters. |
| * |
| * Please note that the GSM wild character is allowed in the result. |
| * This must be resolved before dialing. |
| * |
| * Allows + only in the first position in the result string. |
| * |
| * Returns null if phoneNumber == null |
| */ |
| public static String |
| extractNetworkPortion(String phoneNumber) { |
| if (phoneNumber == null) { |
| return null; |
| } |
| |
| int len = phoneNumber.length(); |
| StringBuilder ret = new StringBuilder(len); |
| boolean firstCharAdded = false; |
| |
| for (int i = 0; i < len; i++) { |
| char c = phoneNumber.charAt(i); |
| if (isDialable(c) && (c != '+' || !firstCharAdded)) { |
| firstCharAdded = true; |
| ret.append(c); |
| } else if (isStartsPostDial (c)) { |
| break; |
| } |
| } |
| |
| return ret.toString(); |
| } |
| |
| /** |
| * Extracts the network address portion and canonicalize. |
| * |
| * This function is equivalent to extractNetworkPortion(), except |
| * for allowing the PLUS character to occur at arbitrary positions |
| * in the address portion, not just the first position. |
| * |
| * @hide |
| */ |
| public static String extractNetworkPortionAlt(String phoneNumber) { |
| if (phoneNumber == null) { |
| return null; |
| } |
| |
| int len = phoneNumber.length(); |
| StringBuilder ret = new StringBuilder(len); |
| boolean haveSeenPlus = false; |
| |
| for (int i = 0; i < len; i++) { |
| char c = phoneNumber.charAt(i); |
| if (c == '+') { |
| if (haveSeenPlus) { |
| continue; |
| } |
| haveSeenPlus = true; |
| } |
| if (isDialable(c)) { |
| ret.append(c); |
| } else if (isStartsPostDial (c)) { |
| break; |
| } |
| } |
| |
| return ret.toString(); |
| } |
| |
| /** |
| * Strips separators from a phone number string. |
| * @param phoneNumber phone number to strip. |
| * @return phone string stripped of separators. |
| */ |
| public static String stripSeparators(String phoneNumber) { |
| if (phoneNumber == null) { |
| return null; |
| } |
| int len = phoneNumber.length(); |
| StringBuilder ret = new StringBuilder(len); |
| |
| for (int i = 0; i < len; i++) { |
| char c = phoneNumber.charAt(i); |
| if (isNonSeparator(c)) { |
| ret.append(c); |
| } |
| } |
| |
| return ret.toString(); |
| } |
| |
| /** or -1 if both are negative */ |
| static private int |
| minPositive (int a, int b) { |
| if (a >= 0 && b >= 0) { |
| return (a < b) ? a : b; |
| } else if (a >= 0) { /* && b < 0 */ |
| return a; |
| } else if (b >= 0) { /* && a < 0 */ |
| return b; |
| } else { /* a < 0 && b < 0 */ |
| return -1; |
| } |
| } |
| |
| private static void log(String msg) { |
| Log.d(LOG_TAG, msg); |
| } |
| /** index of the last character of the network portion |
| * (eg anything after is a post-dial string) |
| */ |
| static private int |
| indexOfLastNetworkChar(String a) { |
| int pIndex, wIndex; |
| int origLength; |
| int trimIndex; |
| |
| origLength = a.length(); |
| |
| pIndex = a.indexOf(PAUSE); |
| wIndex = a.indexOf(WAIT); |
| |
| trimIndex = minPositive(pIndex, wIndex); |
| |
| if (trimIndex < 0) { |
| return origLength - 1; |
| } else { |
| return trimIndex - 1; |
| } |
| } |
| |
| /** |
| * Extracts the post-dial sequence of DTMF control digits, pauses, and |
| * waits. Strips separators. This string may be empty, but will not be null |
| * unless phoneNumber == null. |
| * |
| * Returns null if phoneNumber == null |
| */ |
| |
| public static String |
| extractPostDialPortion(String phoneNumber) { |
| if (phoneNumber == null) return null; |
| |
| int trimIndex; |
| StringBuilder ret = new StringBuilder(); |
| |
| trimIndex = indexOfLastNetworkChar (phoneNumber); |
| |
| for (int i = trimIndex + 1, s = phoneNumber.length() |
| ; i < s; i++ |
| ) { |
| char c = phoneNumber.charAt(i); |
| if (isNonSeparator(c)) { |
| ret.append(c); |
| } |
| } |
| |
| return ret.toString(); |
| } |
| |
| /** |
| * Compare phone numbers a and b, return true if they're identical enough for caller ID purposes. |
| */ |
| public static boolean compare(String a, String b) { |
| // We've used loose comparation at least Eclair, which may change in the future. |
| |
| return compare(a, b, false); |
| } |
| |
| /** |
| * Compare phone numbers a and b, and return true if they're identical |
| * enough for caller ID purposes. Checks a resource to determine whether |
| * to use a strict or loose comparison algorithm. |
| */ |
| public static boolean compare(Context context, String a, String b) { |
| boolean useStrict = context.getResources().getBoolean( |
| com.android.internal.R.bool.config_use_strict_phone_number_comparation); |
| return compare(a, b, useStrict); |
| } |
| |
| /** |
| * @hide only for testing. |
| */ |
| public static boolean compare(String a, String b, boolean useStrictComparation) { |
| return (useStrictComparation ? compareStrictly(a, b) : compareLoosely(a, b)); |
| } |
| |
| /** |
| * Compare phone numbers a and b, return true if they're identical |
| * enough for caller ID purposes. |
| * |
| * - Compares from right to left |
| * - requires MIN_MATCH (7) characters to match |
| * - handles common trunk prefixes and international prefixes |
| * (basically, everything except the Russian trunk prefix) |
| * |
| * Note that this method does not return false even when the two phone numbers |
| * are not exactly same; rather; we can call this method "similar()", not "equals()". |
| * |
| * @hide |
| */ |
| public static boolean |
| compareLoosely(String a, String b) { |
| int ia, ib; |
| int matched; |
| int numNonDialableCharsInA = 0; |
| int numNonDialableCharsInB = 0; |
| |
| if (a == null || b == null) return a == b; |
| |
| if (a.length() == 0 || b.length() == 0) { |
| return false; |
| } |
| |
| ia = indexOfLastNetworkChar (a); |
| ib = indexOfLastNetworkChar (b); |
| matched = 0; |
| |
| while (ia >= 0 && ib >=0) { |
| char ca, cb; |
| boolean skipCmp = false; |
| |
| ca = a.charAt(ia); |
| |
| if (!isDialable(ca)) { |
| ia--; |
| skipCmp = true; |
| numNonDialableCharsInA++; |
| } |
| |
| cb = b.charAt(ib); |
| |
| if (!isDialable(cb)) { |
| ib--; |
| skipCmp = true; |
| numNonDialableCharsInB++; |
| } |
| |
| if (!skipCmp) { |
| if (cb != ca && ca != WILD && cb != WILD) { |
| break; |
| } |
| ia--; ib--; matched++; |
| } |
| } |
| |
| if (matched < MIN_MATCH) { |
| int effectiveALen = a.length() - numNonDialableCharsInA; |
| int effectiveBLen = b.length() - numNonDialableCharsInB; |
| |
| |
| // if the number of dialable chars in a and b match, but the matched chars < MIN_MATCH, |
| // treat them as equal (i.e. 404-04 and 40404) |
| if (effectiveALen == effectiveBLen && effectiveALen == matched) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| // At least one string has matched completely; |
| if (matched >= MIN_MATCH && (ia < 0 || ib < 0)) { |
| return true; |
| } |
| |
| /* |
| * Now, what remains must be one of the following for a |
| * match: |
| * |
| * - a '+' on one and a '00' or a '011' on the other |
| * - a '0' on one and a (+,00)<country code> on the other |
| * (for this, a '0' and a '00' prefix would have succeeded above) |
| */ |
| |
| if (matchIntlPrefix(a, ia + 1) |
| && matchIntlPrefix (b, ib +1) |
| ) { |
| return true; |
| } |
| |
| if (matchTrunkPrefix(a, ia + 1) |
| && matchIntlPrefixAndCC(b, ib +1) |
| ) { |
| return true; |
| } |
| |
| if (matchTrunkPrefix(b, ib + 1) |
| && matchIntlPrefixAndCC(a, ia +1) |
| ) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * @hide |
| */ |
| public static boolean |
| compareStrictly(String a, String b) { |
| return compareStrictly(a, b, true); |
| } |
| |
| /** |
| * @hide |
| */ |
| public static boolean |
| compareStrictly(String a, String b, boolean acceptInvalidCCCPrefix) { |
| if (a == null || b == null) { |
| return a == b; |
| } else if (a.length() == 0 && b.length() == 0) { |
| return false; |
| } |
| |
| int forwardIndexA = 0; |
| int forwardIndexB = 0; |
| |
| CountryCallingCodeAndNewIndex cccA = |
| tryGetCountryCallingCodeAndNewIndex(a, acceptInvalidCCCPrefix); |
| CountryCallingCodeAndNewIndex cccB = |
| tryGetCountryCallingCodeAndNewIndex(b, acceptInvalidCCCPrefix); |
| boolean bothHasCountryCallingCode = false; |
| boolean okToIgnorePrefix = true; |
| boolean trunkPrefixIsOmittedA = false; |
| boolean trunkPrefixIsOmittedB = false; |
| if (cccA != null && cccB != null) { |
| if (cccA.countryCallingCode != cccB.countryCallingCode) { |
| // Different Country Calling Code. Must be different phone number. |
| return false; |
| } |
| // When both have ccc, do not ignore trunk prefix. Without this, |
| // "+81123123" becomes same as "+810123123" (+81 == Japan) |
| okToIgnorePrefix = false; |
| bothHasCountryCallingCode = true; |
| forwardIndexA = cccA.newIndex; |
| forwardIndexB = cccB.newIndex; |
| } else if (cccA == null && cccB == null) { |
| // When both do not have ccc, do not ignore trunk prefix. Without this, |
| // "123123" becomes same as "0123123" |
| okToIgnorePrefix = false; |
| } else { |
| if (cccA != null) { |
| forwardIndexA = cccA.newIndex; |
| } else { |
| int tmp = tryGetTrunkPrefixOmittedIndex(b, 0); |
| if (tmp >= 0) { |
| forwardIndexA = tmp; |
| trunkPrefixIsOmittedA = true; |
| } |
| } |
| if (cccB != null) { |
| forwardIndexB = cccB.newIndex; |
| } else { |
| int tmp = tryGetTrunkPrefixOmittedIndex(b, 0); |
| if (tmp >= 0) { |
| forwardIndexB = tmp; |
| trunkPrefixIsOmittedB = true; |
| } |
| } |
| } |
| |
| int backwardIndexA = a.length() - 1; |
| int backwardIndexB = b.length() - 1; |
| while (backwardIndexA >= forwardIndexA && backwardIndexB >= forwardIndexB) { |
| boolean skip_compare = false; |
| final char chA = a.charAt(backwardIndexA); |
| final char chB = b.charAt(backwardIndexB); |
| if (isSeparator(chA)) { |
| backwardIndexA--; |
| skip_compare = true; |
| } |
| if (isSeparator(chB)) { |
| backwardIndexB--; |
| skip_compare = true; |
| } |
| |
| if (!skip_compare) { |
| if (chA != chB) { |
| return false; |
| } |
| backwardIndexA--; |
| backwardIndexB--; |
| } |
| } |
| |
| if (okToIgnorePrefix) { |
| if ((trunkPrefixIsOmittedA && forwardIndexA <= backwardIndexA) || |
| !checkPrefixIsIgnorable(a, forwardIndexA, backwardIndexA)) { |
| if (acceptInvalidCCCPrefix) { |
| // Maybe the code handling the special case for Thailand makes the |
| // result garbled, so disable the code and try again. |
| // e.g. "16610001234" must equal to "6610001234", but with |
| // Thailand-case handling code, they become equal to each other. |
| // |
| // Note: we select simplicity rather than adding some complicated |
| // logic here for performance(like "checking whether remaining |
| // numbers are just 66 or not"), assuming inputs are small |
| // enough. |
| return compare(a, b, false); |
| } else { |
| return false; |
| } |
| } |
| if ((trunkPrefixIsOmittedB && forwardIndexB <= backwardIndexB) || |
| !checkPrefixIsIgnorable(b, forwardIndexA, backwardIndexB)) { |
| if (acceptInvalidCCCPrefix) { |
| return compare(a, b, false); |
| } else { |
| return false; |
| } |
| } |
| } else { |
| // In the US, 1-650-555-1234 must be equal to 650-555-1234, |
| // while 090-1234-1234 must not be equalt to 90-1234-1234 in Japan. |
| // This request exists just in US (with 1 trunk (NDD) prefix). |
| // In addition, "011 11 7005554141" must not equal to "+17005554141", |
| // while "011 1 7005554141" must equal to "+17005554141" |
| // |
| // In this comparison, we ignore the prefix '1' just once, when |
| // - at least either does not have CCC, or |
| // - the remaining non-separator number is 1 |
| boolean maybeNamp = !bothHasCountryCallingCode; |
| while (backwardIndexA >= forwardIndexA) { |
| final char chA = a.charAt(backwardIndexA); |
| if (isDialable(chA)) { |
| if (maybeNamp && tryGetISODigit(chA) == 1) { |
| maybeNamp = false; |
| } else { |
| return false; |
| } |
| } |
| backwardIndexA--; |
| } |
| while (backwardIndexB >= forwardIndexB) { |
| final char chB = b.charAt(backwardIndexB); |
| if (isDialable(chB)) { |
| if (maybeNamp && tryGetISODigit(chB) == 1) { |
| maybeNamp = false; |
| } else { |
| return false; |
| } |
| } |
| backwardIndexB--; |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Returns the rightmost MIN_MATCH (5) characters in the network portion |
| * in *reversed* order |
| * |
| * This can be used to do a database lookup against the column |
| * that stores getStrippedReversed() |
| * |
| * Returns null if phoneNumber == null |
| */ |
| public static String |
| toCallerIDMinMatch(String phoneNumber) { |
| String np = extractNetworkPortionAlt(phoneNumber); |
| return internalGetStrippedReversed(np, MIN_MATCH); |
| } |
| |
| /** |
| * Returns the network portion reversed. |
| * This string is intended to go into an index column for a |
| * database lookup. |
| * |
| * Returns null if phoneNumber == null |
| */ |
| public static String |
| getStrippedReversed(String phoneNumber) { |
| String np = extractNetworkPortionAlt(phoneNumber); |
| |
| if (np == null) return null; |
| |
| return internalGetStrippedReversed(np, np.length()); |
| } |
| |
| /** |
| * Returns the last numDigits of the reversed phone number |
| * Returns null if np == null |
| */ |
| private static String |
| internalGetStrippedReversed(String np, int numDigits) { |
| if (np == null) return null; |
| |
| StringBuilder ret = new StringBuilder(numDigits); |
| int length = np.length(); |
| |
| for (int i = length - 1, s = length |
| ; i >= 0 && (s - i) <= numDigits ; i-- |
| ) { |
| char c = np.charAt(i); |
| |
| ret.append(c); |
| } |
| |
| return ret.toString(); |
| } |
| |
| /** |
| * Basically: makes sure there's a + in front of a |
| * TOA_International number |
| * |
| * Returns null if s == null |
| */ |
| public static String |
| stringFromStringAndTOA(String s, int TOA) { |
| if (s == null) return null; |
| |
| if (TOA == TOA_International && s.length() > 0 && s.charAt(0) != '+') { |
| return "+" + s; |
| } |
| |
| return s; |
| } |
| |
| /** |
| * Returns the TOA for the given dial string |
| * Basically, returns TOA_International if there's a + prefix |
| */ |
| |
| public static int |
| toaFromString(String s) { |
| if (s != null && s.length() > 0 && s.charAt(0) == '+') { |
| return TOA_International; |
| } |
| |
| return TOA_Unknown; |
| } |
| |
| /** |
| * 3GPP TS 24.008 10.5.4.7 |
| * Called Party BCD Number |
| * |
| * See Also TS 51.011 10.5.1 "dialing number/ssc string" |
| * and TS 11.11 "10.3.1 EF adn (Abbreviated dialing numbers)" |
| * |
| * @param bytes the data buffer |
| * @param offset should point to the TOA (aka. TON/NPI) octet after the length byte |
| * @param length is the number of bytes including TOA byte |
| * and must be at least 2 |
| * |
| * @return partial string on invalid decode |
| * |
| * FIXME(mkf) support alphanumeric address type |
| * currently implemented in SMSMessage.getAddress() |
| */ |
| public static String |
| calledPartyBCDToString (byte[] bytes, int offset, int length) { |
| boolean prependPlus = false; |
| StringBuilder ret = new StringBuilder(1 + length * 2); |
| |
| if (length < 2) { |
| return ""; |
| } |
| |
| //Only TON field should be taken in consideration |
| if ((bytes[offset] & 0xf0) == (TOA_International & 0xf0)) { |
| prependPlus = true; |
| } |
| |
| internalCalledPartyBCDFragmentToString( |
| ret, bytes, offset + 1, length - 1); |
| |
| if (prependPlus && ret.length() == 0) { |
| // If the only thing there is a prepended plus, return "" |
| return ""; |
| } |
| |
| if (prependPlus) { |
| // This is an "international number" and should have |
| // a plus prepended to the dialing number. But there |
| // can also be Gsm MMI codes as defined in TS 22.030 6.5.2 |
| // so we need to handle those also. |
| // |
| // http://web.telia.com/~u47904776/gsmkode.htm is a |
| // has a nice list of some of these GSM codes. |
| // |
| // Examples are: |
| // **21*+886988171479# |
| // **21*8311234567# |
| // *21# |
| // #21# |
| // *#21# |
| // *31#+11234567890 |
| // #31#+18311234567 |
| // #31#8311234567 |
| // 18311234567 |
| // +18311234567# |
| // +18311234567 |
| // Odd ball cases that some phones handled |
| // where there is no dialing number so they |
| // append the "+" |
| // *21#+ |
| // **21#+ |
| String retString = ret.toString(); |
| Pattern p = Pattern.compile("(^[#*])(.*)([#*])(.*)(#)$"); |
| Matcher m = p.matcher(retString); |
| if (m.matches()) { |
| if ("".equals(m.group(2))) { |
| // Started with two [#*] ends with # |
| // So no dialing number and we'll just |
| // append a +, this handles **21#+ |
| ret = new StringBuilder(); |
| ret.append(m.group(1)); |
| ret.append(m.group(3)); |
| ret.append(m.group(4)); |
| ret.append(m.group(5)); |
| ret.append("+"); |
| } else { |
| // Starts with [#*] and ends with # |
| // Assume group 4 is a dialing number |
| // such as *21*+1234554# |
| ret = new StringBuilder(); |
| ret.append(m.group(1)); |
| ret.append(m.group(2)); |
| ret.append(m.group(3)); |
| ret.append("+"); |
| ret.append(m.group(4)); |
| ret.append(m.group(5)); |
| } |
| } else { |
| p = Pattern.compile("(^[#*])(.*)([#*])(.*)"); |
| m = p.matcher(retString); |
| if (m.matches()) { |
| // Starts with [#*] and only one other [#*] |
| // Assume the data after last [#*] is dialing |
| // number (i.e. group 4) such as *31#+11234567890. |
| // This also includes the odd ball *21#+ |
| ret = new StringBuilder(); |
| ret.append(m.group(1)); |
| ret.append(m.group(2)); |
| ret.append(m.group(3)); |
| ret.append("+"); |
| ret.append(m.group(4)); |
| } else { |
| // Does NOT start with [#*] just prepend '+' |
| ret = new StringBuilder(); |
| ret.append('+'); |
| ret.append(retString); |
| } |
| } |
| } |
| |
| return ret.toString(); |
| } |
| |
| private static void |
| internalCalledPartyBCDFragmentToString( |
| StringBuilder sb, byte [] bytes, int offset, int length) { |
| for (int i = offset ; i < length + offset ; i++) { |
| byte b; |
| char c; |
| |
| c = bcdToChar((byte)(bytes[i] & 0xf)); |
| |
| if (c == 0) { |
| return; |
| } |
| sb.append(c); |
| |
| // FIXME(mkf) TS 23.040 9.1.2.3 says |
| // "if a mobile receives 1111 in a position prior to |
| // the last semi-octet then processing shall commense with |
| // the next semi-octet and the intervening |
| // semi-octet shall be ignored" |
| // How does this jive with 24,008 10.5.4.7 |
| |
| b = (byte)((bytes[i] >> 4) & 0xf); |
| |
| if (b == 0xf && i + 1 == length + offset) { |
| //ignore final 0xf |
| break; |
| } |
| |
| c = bcdToChar(b); |
| if (c == 0) { |
| return; |
| } |
| |
| sb.append(c); |
| } |
| |
| } |
| |
| /** |
| * Like calledPartyBCDToString, but field does not start with a |
| * TOA byte. For example: SIM ADN extension fields |
| */ |
| |
| public static String |
| calledPartyBCDFragmentToString(byte [] bytes, int offset, int length) { |
| StringBuilder ret = new StringBuilder(length * 2); |
| |
| internalCalledPartyBCDFragmentToString(ret, bytes, offset, length); |
| |
| return ret.toString(); |
| } |
| |
| /** returns 0 on invalid value */ |
| private static char |
| bcdToChar(byte b) { |
| if (b < 0xa) { |
| return (char)('0' + b); |
| } else switch (b) { |
| case 0xa: return '*'; |
| case 0xb: return '#'; |
| case 0xc: return PAUSE; |
| case 0xd: return WILD; |
| |
| default: return 0; |
| } |
| } |
| |
| private static int |
| charToBCD(char c) { |
| if (c >= '0' && c <= '9') { |
| return c - '0'; |
| } else if (c == '*') { |
| return 0xa; |
| } else if (c == '#') { |
| return 0xb; |
| } else if (c == PAUSE) { |
| return 0xc; |
| } else if (c == WILD) { |
| return 0xd; |
| } else { |
| throw new RuntimeException ("invalid char for BCD " + c); |
| } |
| } |
| |
| /** |
| * Return true iff the network portion of <code>address</code> is, |
| * as far as we can tell on the device, suitable for use as an SMS |
| * destination address. |
| */ |
| public static boolean isWellFormedSmsAddress(String address) { |
| String networkPortion = |
| PhoneNumberUtils.extractNetworkPortion(address); |
| |
| return (!(networkPortion.equals("+") |
| || TextUtils.isEmpty(networkPortion))) |
| && isDialable(networkPortion); |
| } |
| |
| public static boolean isGlobalPhoneNumber(String phoneNumber) { |
| if (TextUtils.isEmpty(phoneNumber)) { |
| return false; |
| } |
| |
| Matcher match = GLOBAL_PHONE_NUMBER_PATTERN.matcher(phoneNumber); |
| return match.matches(); |
| } |
| |
| private static boolean isDialable(String address) { |
| for (int i = 0, count = address.length(); i < count; i++) { |
| if (!isDialable(address.charAt(i))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private static boolean isNonSeparator(String address) { |
| for (int i = 0, count = address.length(); i < count; i++) { |
| if (!isNonSeparator(address.charAt(i))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| /** |
| * Note: calls extractNetworkPortion(), so do not use for |
| * SIM EF[ADN] style records |
| * |
| * Returns null if network portion is empty. |
| */ |
| public static byte[] |
| networkPortionToCalledPartyBCD(String s) { |
| String networkPortion = extractNetworkPortion(s); |
| return numberToCalledPartyBCDHelper(networkPortion, false); |
| } |
| |
| /** |
| * Same as {@link #networkPortionToCalledPartyBCD}, but includes a |
| * one-byte length prefix. |
| */ |
| public static byte[] |
| networkPortionToCalledPartyBCDWithLength(String s) { |
| String networkPortion = extractNetworkPortion(s); |
| return numberToCalledPartyBCDHelper(networkPortion, true); |
| } |
| |
| /** |
| * Convert a dialing number to BCD byte array |
| * |
| * @param number dialing number string |
| * if the dialing number starts with '+', set to internationl TOA |
| * @return BCD byte array |
| */ |
| public static byte[] |
| numberToCalledPartyBCD(String number) { |
| return numberToCalledPartyBCDHelper(number, false); |
| } |
| |
| /** |
| * If includeLength is true, prepend a one-byte length value to |
| * the return array. |
| */ |
| private static byte[] |
| numberToCalledPartyBCDHelper(String number, boolean includeLength) { |
| int numberLenReal = number.length(); |
| int numberLenEffective = numberLenReal; |
| boolean hasPlus = number.indexOf('+') != -1; |
| if (hasPlus) numberLenEffective--; |
| |
| if (numberLenEffective == 0) return null; |
| |
| int resultLen = (numberLenEffective + 1) / 2; // Encoded numbers require only 4 bits each. |
| int extraBytes = 1; // Prepended TOA byte. |
| if (includeLength) extraBytes++; // Optional prepended length byte. |
| resultLen += extraBytes; |
| |
| byte[] result = new byte[resultLen]; |
| |
| int digitCount = 0; |
| for (int i = 0; i < numberLenReal; i++) { |
| char c = number.charAt(i); |
| if (c == '+') continue; |
| int shift = ((digitCount & 0x01) == 1) ? 4 : 0; |
| result[extraBytes + (digitCount >> 1)] |= (byte)((charToBCD(c) & 0x0F) << shift); |
| digitCount++; |
| } |
| |
| // 1-fill any trailing odd nibble/quartet. |
| if ((digitCount & 0x01) == 1) result[extraBytes + (digitCount >> 1)] |= 0xF0; |
| |
| int offset = 0; |
| if (includeLength) result[offset++] = (byte)(resultLen - 1); |
| result[offset] = (byte)(hasPlus ? TOA_International : TOA_Unknown); |
| |
| return result; |
| } |
| |
| //================ Number formatting ========================= |
| |
| /** The current locale is unknown, look for a country code or don't format */ |
| public static final int FORMAT_UNKNOWN = 0; |
| /** NANP formatting */ |
| public static final int FORMAT_NANP = 1; |
| /** Japanese formatting */ |
| public static final int FORMAT_JAPAN = 2; |
| |
| /** List of country codes for countries that use the NANP */ |
| private static final String[] NANP_COUNTRIES = new String[] { |
| "US", // United States |
| "CA", // Canada |
| "AS", // American Samoa |
| "AI", // Anguilla |
| "AG", // Antigua and Barbuda |
| "BS", // Bahamas |
| "BB", // Barbados |
| "BM", // Bermuda |
| "VG", // British Virgin Islands |
| "KY", // Cayman Islands |
| "DM", // Dominica |
| "DO", // Dominican Republic |
| "GD", // Grenada |
| "GU", // Guam |
| "JM", // Jamaica |
| "PR", // Puerto Rico |
| "MS", // Montserrat |
| "MP", // Northern Mariana Islands |
| "KN", // Saint Kitts and Nevis |
| "LC", // Saint Lucia |
| "VC", // Saint Vincent and the Grenadines |
| "TT", // Trinidad and Tobago |
| "TC", // Turks and Caicos Islands |
| "VI", // U.S. Virgin Islands |
| }; |
| |
| /** |
| * Breaks the given number down and formats it according to the rules |
| * for the country the number is from. |
| * |
| * @param source The phone number to format |
| * @return A locally acceptable formatting of the input, or the raw input if |
| * formatting rules aren't known for the number |
| */ |
| public static String formatNumber(String source) { |
| SpannableStringBuilder text = new SpannableStringBuilder(source); |
| formatNumber(text, getFormatTypeForLocale(Locale.getDefault())); |
| return text.toString(); |
| } |
| |
| /** |
| * Formats the given number with the given formatting type. Currently |
| * {@link #FORMAT_NANP} and {@link #FORMAT_JAPAN} are supported as a formating type. |
| * |
| * @param source the phone number to format |
| * @param defaultFormattingType The default formatting rules to apply if the number does |
| * not begin with +<country_code> |
| * @return The phone number formatted with the given formatting type. |
| * |
| * @hide TODO:Shuold be unhidden. |
| */ |
| public static String formatNumber(String source, int defaultFormattingType) { |
| SpannableStringBuilder text = new SpannableStringBuilder(source); |
| formatNumber(text, defaultFormattingType); |
| return text.toString(); |
| } |
| |
| /** |
| * Returns the phone number formatting type for the given locale. |
| * |
| * @param locale The locale of interest, usually {@link Locale#getDefault()} |
| * @return The formatting type for the given locale, or FORMAT_UNKNOWN if the formatting |
| * rules are not known for the given locale |
| */ |
| public static int getFormatTypeForLocale(Locale locale) { |
| String country = locale.getCountry(); |
| |
| return getFormatTypeFromCountryCode(country); |
| } |
| |
| /** |
| * Formats a phone number in-place. Currently {@link #FORMAT_JAPAN} and {@link #FORMAT_NANP} |
| * is supported as a second argument. |
| * |
| * @param text The number to be formatted, will be modified with the formatting |
| * @param defaultFormattingType The default formatting rules to apply if the number does |
| * not begin with +<country_code> |
| */ |
| public static void formatNumber(Editable text, int defaultFormattingType) { |
| int formatType = defaultFormattingType; |
| |
| if (text.length() > 2 && text.charAt(0) == '+') { |
| if (text.charAt(1) == '1') { |
| formatType = FORMAT_NANP; |
| } else if (text.length() >= 3 && text.charAt(1) == '8' |
| && text.charAt(2) == '1') { |
| formatType = FORMAT_JAPAN; |
| } else { |
| return; |
| } |
| } |
| |
| switch (formatType) { |
| case FORMAT_NANP: |
| formatNanpNumber(text); |
| return; |
| case FORMAT_JAPAN: |
| formatJapaneseNumber(text); |
| return; |
| } |
| } |
| |
| private static final int NANP_STATE_DIGIT = 1; |
| private static final int NANP_STATE_PLUS = 2; |
| private static final int NANP_STATE_ONE = 3; |
| private static final int NANP_STATE_DASH = 4; |
| |
| /** |
| * Formats a phone number in-place using the NANP formatting rules. Numbers will be formatted |
| * as: |
| * |
| * <p><code> |
| * xxxxx |
| * xxx-xxxx |
| * xxx-xxx-xxxx |
| * 1-xxx-xxx-xxxx |
| * +1-xxx-xxx-xxxx |
| * </code></p> |
| * |
| * @param text the number to be formatted, will be modified with the formatting |
| */ |
| public static void formatNanpNumber(Editable text) { |
| int length = text.length(); |
| if (length > "+1-nnn-nnn-nnnn".length()) { |
| // The string is too long to be formatted |
| return; |
| } else if (length <= 5) { |
| // The string is either a shortcode or too short to be formatted |
| return; |
| } |
| |
| CharSequence saved = text.subSequence(0, length); |
| |
| // Strip the dashes first, as we're going to add them back |
| int p = 0; |
| while (p < text.length()) { |
| if (text.charAt(p) == '-') { |
| text.delete(p, p + 1); |
| } else { |
| p++; |
| } |
| } |
| length = text.length(); |
| |
| // When scanning the number we record where dashes need to be added, |
| // if they're non-0 at the end of the scan the dashes will be added in |
| // the proper places. |
| int dashPositions[] = new int[3]; |
| int numDashes = 0; |
| |
| int state = NANP_STATE_DIGIT; |
| int numDigits = 0; |
| for (int i = 0; i < length; i++) { |
| char c = text.charAt(i); |
| switch (c) { |
| case '1': |
| if (numDigits == 0 || state == NANP_STATE_PLUS) { |
| state = NANP_STATE_ONE; |
| break; |
| } |
| // fall through |
| case '2': |
| case '3': |
| case '4': |
| case '5': |
| case '6': |
| case '7': |
| case '8': |
| case '9': |
| case '0': |
| if (state == NANP_STATE_PLUS) { |
| // Only NANP number supported for now |
| text.replace(0, length, saved); |
| return; |
| } else if (state == NANP_STATE_ONE) { |
| // Found either +1 or 1, follow it up with a dash |
| dashPositions[numDashes++] = i; |
| } else if (state != NANP_STATE_DASH && (numDigits == 3 || numDigits == 6)) { |
| // Found a digit that should be after a dash that isn't |
| dashPositions[numDashes++] = i; |
| } |
| state = NANP_STATE_DIGIT; |
| numDigits++; |
| break; |
| |
| case '-': |
| state = NANP_STATE_DASH; |
| break; |
| |
| case '+': |
| if (i == 0) { |
| // Plus is only allowed as the first character |
| state = NANP_STATE_PLUS; |
| break; |
| } |
| // Fall through |
| default: |
| // Unknown character, bail on formatting |
| text.replace(0, length, saved); |
| return; |
| } |
| } |
| |
| if (numDigits == 7) { |
| // With 7 digits we want xxx-xxxx, not xxx-xxx-x |
| numDashes--; |
| } |
| |
| // Actually put the dashes in place |
| for (int i = 0; i < numDashes; i++) { |
| int pos = dashPositions[i]; |
| text.replace(pos + i, pos + i, "-"); |
| } |
| |
| // Remove trailing dashes |
| int len = text.length(); |
| while (len > 0) { |
| if (text.charAt(len - 1) == '-') { |
| text.delete(len - 1, len); |
| len--; |
| } else { |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Formats a phone number in-place using the Japanese formatting rules. |
| * Numbers will be formatted as: |
| * |
| * <p><code> |
| * 03-xxxx-xxxx |
| * 090-xxxx-xxxx |
| * 0120-xxx-xxx |
| * +81-3-xxxx-xxxx |
| * +81-90-xxxx-xxxx |
| * </code></p> |
| * |
| * @param text the number to be formatted, will be modified with |
| * the formatting |
| */ |
| public static void formatJapaneseNumber(Editable text) { |
| JapanesePhoneNumberFormatter.format(text); |
| } |
| |
| // Three and four digit phone numbers for either special services, |
| // or 3-6 digit addresses from the network (eg carrier-originated SMS messages) should |
| // not match. |
| // |
| // This constant used to be 5, but SMS short codes has increased in length and |
| // can be easily 6 digits now days. Most countries have SMS short code length between |
| // 3 to 6 digits. The exceptions are |
| // |
| // Australia: Short codes are six or eight digits in length, starting with the prefix "19" |
| // followed by an additional four or six digits and two. |
| // Czech Republic: Codes are seven digits in length for MO and five (not billed) or |
| // eight (billed) for MT direction |
| // |
| // see http://en.wikipedia.org/wiki/Short_code#Regional_differences for reference |
| // |
| // However, in order to loose match 650-555-1212 and 555-1212, we need to set the min match |
| // to 7. |
| static final int MIN_MATCH = 7; |
| |
| /** |
| * isEmergencyNumber: checks a given number against the list of |
| * emergency numbers provided by the RIL and SIM card. |
| * |
| * @param number the number to look up. |
| * @return if the number is in the list of emergency numbers |
| * listed in the ril / sim, then return true, otherwise false. |
| */ |
| public static boolean isEmergencyNumber(String number) { |
| // If the number passed in is null, just return false: |
| if (number == null) return false; |
| |
| // Strip the separators from the number before comparing it |
| // to the list. |
| number = extractNetworkPortionAlt(number); |
| |
| // retrieve the list of emergency numbers |
| // check read-write ecclist property first |
| String numbers = SystemProperties.get("ril.ecclist"); |
| if (TextUtils.isEmpty(numbers)) { |
| // then read-only ecclist property since old RIL only uses this |
| numbers = SystemProperties.get("ro.ril.ecclist"); |
| } |
| |
| if (!TextUtils.isEmpty(numbers)) { |
| // searches through the comma-separated list for a match, |
| // return true if one is found. |
| for (String emergencyNum : numbers.split(",")) { |
| if (emergencyNum.equals(number)) { |
| return true; |
| } |
| } |
| // no matches found against the list! |
| return false; |
| } |
| |
| //no ecclist system property, so use our own list. |
| return (number.equals("112") || number.equals("911")); |
| } |
| |
| /** |
| * isVoiceMailNumber: checks a given number against the voicemail |
| * number provided by the RIL and SIM card. The caller must have |
| * the READ_PHONE_STATE credential. |
| * |
| * @param number the number to look up. |
| * @return true if the number is in the list of voicemail. False |
| * otherwise, including if the caller does not have the permission |
| * to read the VM number. |
| * @hide TODO: pending API Council approval |
| */ |
| public static boolean isVoiceMailNumber(String number) { |
| String vmNumber; |
| |
| try { |
| vmNumber = TelephonyManager.getDefault().getVoiceMailNumber(); |
| } catch (SecurityException ex) { |
| return false; |
| } |
| |
| // Strip the separators from the number before comparing it |
| // to the list. |
| number = extractNetworkPortionAlt(number); |
| |
| // compare tolerates null so we need to make sure that we |
| // don't return true when both are null. |
| return !TextUtils.isEmpty(number) && compare(number, vmNumber); |
| } |
| |
| /** |
| * Translates any alphabetic letters (i.e. [A-Za-z]) in the |
| * specified phone number into the equivalent numeric digits, |
| * according to the phone keypad letter mapping described in |
| * ITU E.161 and ISO/IEC 9995-8. |
| * |
| * @return the input string, with alpha letters converted to numeric |
| * digits using the phone keypad letter mapping. For example, |
| * an input of "1-800-GOOG-411" will return "1-800-4664-411". |
| */ |
| public static String convertKeypadLettersToDigits(String input) { |
| if (input == null) { |
| return input; |
| } |
| int len = input.length(); |
| if (len == 0) { |
| return input; |
| } |
| |
| char[] out = input.toCharArray(); |
| |
| for (int i = 0; i < len; i++) { |
| char c = out[i]; |
| // If this char isn't in KEYPAD_MAP at all, just leave it alone. |
| out[i] = (char) KEYPAD_MAP.get(c, c); |
| } |
| |
| return new String(out); |
| } |
| |
| /** |
| * The phone keypad letter mapping (see ITU E.161 or ISO/IEC 9995-8.) |
| * TODO: This should come from a resource. |
| */ |
| private static final SparseIntArray KEYPAD_MAP = new SparseIntArray(); |
| static { |
| KEYPAD_MAP.put('a', '2'); KEYPAD_MAP.put('b', '2'); KEYPAD_MAP.put('c', '2'); |
| KEYPAD_MAP.put('A', '2'); KEYPAD_MAP.put('B', '2'); KEYPAD_MAP.put('C', '2'); |
| |
| KEYPAD_MAP.put('d', '3'); KEYPAD_MAP.put('e', '3'); KEYPAD_MAP.put('f', '3'); |
| KEYPAD_MAP.put('D', '3'); KEYPAD_MAP.put('E', '3'); KEYPAD_MAP.put('F', '3'); |
| |
| KEYPAD_MAP.put('g', '4'); KEYPAD_MAP.put('h', '4'); KEYPAD_MAP.put('i', '4'); |
| KEYPAD_MAP.put('G', '4'); KEYPAD_MAP.put('H', '4'); KEYPAD_MAP.put('I', '4'); |
| |
| KEYPAD_MAP.put('j', '5'); KEYPAD_MAP.put('k', '5'); KEYPAD_MAP.put('l', '5'); |
| KEYPAD_MAP.put('J', '5'); KEYPAD_MAP.put('K', '5'); KEYPAD_MAP.put('L', '5'); |
| |
| KEYPAD_MAP.put('m', '6'); KEYPAD_MAP.put('n', '6'); KEYPAD_MAP.put('o', '6'); |
| KEYPAD_MAP.put('M', '6'); KEYPAD_MAP.put('N', '6'); KEYPAD_MAP.put('O', '6'); |
| |
| KEYPAD_MAP.put('p', '7'); KEYPAD_MAP.put('q', '7'); KEYPAD_MAP.put('r', '7'); KEYPAD_MAP.put('s', '7'); |
| KEYPAD_MAP.put('P', '7'); KEYPAD_MAP.put('Q', '7'); KEYPAD_MAP.put('R', '7'); KEYPAD_MAP.put('S', '7'); |
| |
| KEYPAD_MAP.put('t', '8'); KEYPAD_MAP.put('u', '8'); KEYPAD_MAP.put('v', '8'); |
| KEYPAD_MAP.put('T', '8'); KEYPAD_MAP.put('U', '8'); KEYPAD_MAP.put('V', '8'); |
| |
| KEYPAD_MAP.put('w', '9'); KEYPAD_MAP.put('x', '9'); KEYPAD_MAP.put('y', '9'); KEYPAD_MAP.put('z', '9'); |
| KEYPAD_MAP.put('W', '9'); KEYPAD_MAP.put('X', '9'); KEYPAD_MAP.put('Y', '9'); KEYPAD_MAP.put('Z', '9'); |
| } |
| |
| //================ Plus Code formatting ========================= |
| private static final char PLUS_SIGN_CHAR = '+'; |
| private static final String PLUS_SIGN_STRING = "+"; |
| private static final String NANP_IDP_STRING = "011"; |
| private static final int NANP_LENGTH = 10; |
| |
| /** |
| * This function checks if there is a plus sign (+) in the passed-in dialing number. |
| * If there is, it processes the plus sign based on the default telephone |
| * numbering plan of the system when the phone is activated and the current |
| * telephone numbering plan of the system that the phone is camped on. |
| * Currently, we only support the case that the default and current telephone |
| * numbering plans are North American Numbering Plan(NANP). |
| * |
| * The passed-in dialStr should only contain the valid format as described below, |
| * 1) the 1st character in the dialStr should be one of the really dialable |
| * characters listed below |
| * ISO-LATIN characters 0-9, *, # , + |
| * 2) the dialStr should already strip out the separator characters, |
| * every character in the dialStr should be one of the non separator characters |
| * listed below |
| * ISO-LATIN characters 0-9, *, # , +, WILD, WAIT, PAUSE |
| * |
| * Otherwise, this function returns the dial string passed in |
| * |
| * @param dialStr the original dial string |
| * @return the converted dial string if the current/default countries belong to NANP, |
| * and if there is the "+" in the original dial string. Otherwise, the original dial |
| * string returns. |
| * |
| * This API is for CDMA only |
| * |
| * @hide TODO: pending API Council approval |
| */ |
| public static String cdmaCheckAndProcessPlusCode(String dialStr) { |
| if (!TextUtils.isEmpty(dialStr)) { |
| if (isReallyDialable(dialStr.charAt(0)) && |
| isNonSeparator(dialStr)) { |
| String currIso = SystemProperties.get(PROPERTY_OPERATOR_ISO_COUNTRY, ""); |
| String defaultIso = SystemProperties.get(PROPERTY_ICC_OPERATOR_ISO_COUNTRY, ""); |
| if (!TextUtils.isEmpty(currIso) && !TextUtils.isEmpty(defaultIso)) { |
| return cdmaCheckAndProcessPlusCodeByNumberFormat(dialStr, |
| getFormatTypeFromCountryCode(currIso), |
| getFormatTypeFromCountryCode(defaultIso)); |
| } |
| } |
| } |
| return dialStr; |
| } |
| |
| /** |
| * This function should be called from checkAndProcessPlusCode only |
| * And it is used for test purpose also. |
| * |
| * It checks the dial string by looping through the network portion, |
| * post dial portion 1, post dial porting 2, etc. If there is any |
| * plus sign, then process the plus sign. |
| * Currently, this function supports the plus sign conversion within NANP only. |
| * Specifically, it handles the plus sign in the following ways: |
| * 1)+1NANP,remove +, e.g. |
| * +18475797000 is converted to 18475797000, |
| * 2)+NANP or +non-NANP Numbers,replace + with the current NANP IDP, e.g, |
| * +8475797000 is converted to 0118475797000, |
| * +11875767800 is converted to 01111875767800 |
| * 3)+1NANP in post dial string(s), e.g. |
| * 8475797000;+18475231753 is converted to 8475797000;18475231753 |
| * |
| * |
| * @param dialStr the original dial string |
| * @param currFormat the numbering system of the current country that the phone is camped on |
| * @param defaultFormat the numbering system of the country that the phone is activated on |
| * @return the converted dial string if the current/default countries belong to NANP, |
| * and if there is the "+" in the original dial string. Otherwise, the original dial |
| * string returns. |
| * |
| * @hide |
| */ |
| public static String |
| cdmaCheckAndProcessPlusCodeByNumberFormat(String dialStr,int currFormat,int defaultFormt) { |
| String retStr = dialStr; |
| |
| // Checks if the plus sign character is in the passed-in dial string |
| if (dialStr != null && |
| dialStr.lastIndexOf(PLUS_SIGN_STRING) != -1) { |
| // Format the string based on the rules for the country the number is from, |
| // and the current country the phone is camped on. |
| if ((currFormat == defaultFormt) && (currFormat == FORMAT_NANP)) { |
| // Handle case where default and current telephone numbering plans are NANP. |
| String postDialStr = null; |
| String tempDialStr = dialStr; |
| |
| // Sets the retStr to null since the conversion will be performed below. |
| retStr = null; |
| if (DBG) log("checkAndProcessPlusCode,dialStr=" + dialStr); |
| // This routine is to process the plus sign in the dial string by loop through |
| // the network portion, post dial portion 1, post dial portion 2... etc. if |
| // applied |
| do { |
| String networkDialStr; |
| networkDialStr = extractNetworkPortion(tempDialStr); |
| // Handles the conversion within NANP |
| networkDialStr = processPlusCodeWithinNanp(networkDialStr); |
| |
| // Concatenates the string that is converted from network portion |
| if (!TextUtils.isEmpty(networkDialStr)) { |
| if (retStr == null) { |
| retStr = networkDialStr; |
| } else { |
| retStr = retStr.concat(networkDialStr); |
| } |
| } else { |
| // This should never happen since we checked the if dialStr is null |
| // and if it contains the plus sign in the beginning of this function. |
| // The plus sign is part of the network portion. |
| Log.e("checkAndProcessPlusCode: null newDialStr", networkDialStr); |
| return dialStr; |
| } |
| postDialStr = extractPostDialPortion(tempDialStr); |
| if (!TextUtils.isEmpty(postDialStr)) { |
| int dialableIndex = findDialableIndexFromPostDialStr(postDialStr); |
| |
| // dialableIndex should always be greater than 0 |
| if (dialableIndex >= 1) { |
| retStr = appendPwCharBackToOrigDialStr(dialableIndex, |
| retStr,postDialStr); |
| // Skips the P/W character, extracts the dialable portion |
| tempDialStr = postDialStr.substring(dialableIndex); |
| } else { |
| // Non-dialable character such as P/W should not be at the end of |
| // the dial string after P/W processing in CdmaConnection.java |
| // Set the postDialStr to "" to break out of the loop |
| if (dialableIndex < 0) { |
| postDialStr = ""; |
| } |
| Log.e("wrong postDialStr=", postDialStr); |
| } |
| } |
| if (DBG) log("checkAndProcessPlusCode,postDialStr=" + postDialStr); |
| } while (!TextUtils.isEmpty(postDialStr) && !TextUtils.isEmpty(tempDialStr)); |
| } else { |
| // TODO: Support NANP international conversion and other telephone numbering plans. |
| // Currently the phone is never used in non-NANP system, so return the original |
| // dial string. |
| Log.e("checkAndProcessPlusCode:non-NANP not supported", dialStr); |
| } |
| } |
| return retStr; |
| } |
| |
| // This function gets the default international dialing prefix |
| private static String getDefaultIdp( ) { |
| String ps = null; |
| SystemProperties.get(PROPERTY_IDP_STRING, ps); |
| if (TextUtils.isEmpty(ps)) { |
| ps = NANP_IDP_STRING; |
| } |
| return ps; |
| } |
| |
| private static boolean isTwoToNine (char c) { |
| if (c >= '2' && c <= '9') { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| private static int getFormatTypeFromCountryCode (String country) { |
| // Check for the NANP countries |
| int length = NANP_COUNTRIES.length; |
| for (int i = 0; i < length; i++) { |
| if (NANP_COUNTRIES[i].compareToIgnoreCase(country) == 0) { |
| return FORMAT_NANP; |
| } |
| } |
| if ("jp".compareToIgnoreCase(country) == 0) { |
| return FORMAT_JAPAN; |
| } |
| return FORMAT_UNKNOWN; |
| } |
| |
| /** |
| * This function checks if the passed in string conforms to the NANP format |
| * i.e. NXX-NXX-XXXX, N is any digit 2-9 and X is any digit 0-9 |
| */ |
| private static boolean isNanp (String dialStr) { |
| boolean retVal = false; |
| if (dialStr != null) { |
| if (dialStr.length() == NANP_LENGTH) { |
| if (isTwoToNine(dialStr.charAt(0)) && |
| isTwoToNine(dialStr.charAt(3))) { |
| retVal = true; |
| for (int i=1; i<NANP_LENGTH; i++ ) { |
| char c=dialStr.charAt(i); |
| if (!PhoneNumberUtils.isISODigit(c)) { |
| retVal = false; |
| break; |
| } |
| } |
| } |
| } |
| } else { |
| Log.e("isNanp: null dialStr passed in", dialStr); |
| } |
| return retVal; |
| } |
| |
| /** |
| * This function checks if the passed in string conforms to 1-NANP format |
| */ |
| private static boolean isOneNanp(String dialStr) { |
| boolean retVal = false; |
| if (dialStr != null) { |
| String newDialStr = dialStr.substring(1); |
| if ((dialStr.charAt(0) == '1') && isNanp(newDialStr)) { |
| retVal = true; |
| } |
| } else { |
| Log.e("isOneNanp: null dialStr passed in", dialStr); |
| } |
| return retVal; |
| } |
| |
| /** |
| * This function handles the plus code conversion within NANP CDMA network |
| * If the number format is |
| * 1)+1NANP,remove +, |
| * 2)other than +1NANP, any + numbers,replace + with the current IDP |
| */ |
| private static String processPlusCodeWithinNanp(String networkDialStr) { |
| String retStr = networkDialStr; |
| |
| if (DBG) log("processPlusCodeWithinNanp,networkDialStr=" + networkDialStr); |
| // If there is a plus sign at the beginning of the dial string, |
| // Convert the plus sign to the default IDP since it's an international number |
| if (networkDialStr != null && |
| networkDialStr.charAt(0) == PLUS_SIGN_CHAR && |
| networkDialStr.length() > 1) { |
| String newStr = networkDialStr.substring(1); |
| if (isOneNanp(newStr)) { |
| // Remove the leading plus sign |
| retStr = newStr; |
| } else { |
| String idpStr = getDefaultIdp(); |
| // Replaces the plus sign with the default IDP |
| retStr = networkDialStr.replaceFirst("[+]", idpStr); |
| } |
| } |
| if (DBG) log("processPlusCodeWithinNanp,retStr=" + retStr); |
| return retStr; |
| } |
| |
| // This function finds the index of the dialable character(s) |
| // in the post dial string |
| private static int findDialableIndexFromPostDialStr(String postDialStr) { |
| for (int index = 0;index < postDialStr.length();index++) { |
| char c = postDialStr.charAt(index); |
| if (isReallyDialable(c)) { |
| return index; |
| } |
| } |
| return -1; |
| } |
| |
| // This function appends the non-diablable P/W character to the original |
| // dial string based on the dialable index passed in |
| private static String |
| appendPwCharBackToOrigDialStr(int dialableIndex,String origStr, String dialStr) { |
| String retStr; |
| |
| // There is only 1 P/W character before the dialable characters |
| if (dialableIndex == 1) { |
| StringBuilder ret = new StringBuilder(origStr); |
| ret = ret.append(dialStr.charAt(0)); |
| retStr = ret.toString(); |
| } else { |
| // It means more than 1 P/W characters in the post dial string, |
| // appends to retStr |
| String nonDigitStr = dialStr.substring(0,dialableIndex); |
| retStr = origStr.concat(nonDigitStr); |
| } |
| return retStr; |
| } |
| |
| //===== Begining of utility methods used in compareLoosely() ===== |
| |
| /** |
| * Phone numbers are stored in "lookup" form in the database |
| * as reversed strings to allow for caller ID lookup |
| * |
| * This method takes a phone number and makes a valid SQL "LIKE" |
| * string that will match the lookup form |
| * |
| */ |
| /** all of a up to len must be an international prefix or |
| * separators/non-dialing digits |
| */ |
| private static boolean |
| matchIntlPrefix(String a, int len) { |
| /* '([^0-9*#+pwn]\+[^0-9*#+pwn] | [^0-9*#+pwn]0(0|11)[^0-9*#+pwn] )$' */ |
| /* 0 1 2 3 45 */ |
| |
| int state = 0; |
| for (int i = 0 ; i < len ; i++) { |
| char c = a.charAt(i); |
| |
| switch (state) { |
| case 0: |
| if (c == '+') state = 1; |
| else if (c == '0') state = 2; |
| else if (isNonSeparator(c)) return false; |
| break; |
| |
| case 2: |
| if (c == '0') state = 3; |
| else if (c == '1') state = 4; |
| else if (isNonSeparator(c)) return false; |
| break; |
| |
| case 4: |
| if (c == '1') state = 5; |
| else if (isNonSeparator(c)) return false; |
| break; |
| |
| default: |
| if (isNonSeparator(c)) return false; |
| break; |
| |
| } |
| } |
| |
| return state == 1 || state == 3 || state == 5; |
| } |
| |
| /** all of 'a' up to len must be a (+|00|011)country code) |
| * We're fast and loose with the country code. Any \d{1,3} matches */ |
| private static boolean |
| matchIntlPrefixAndCC(String a, int len) { |
| /* [^0-9*#+pwn]*(\+|0(0|11)\d\d?\d? [^0-9*#+pwn] $ */ |
| /* 0 1 2 3 45 6 7 8 */ |
| |
| int state = 0; |
| for (int i = 0 ; i < len ; i++ ) { |
| char c = a.charAt(i); |
| |
| switch (state) { |
| case 0: |
| if (c == '+') state = 1; |
| else if (c == '0') state = 2; |
| else if (isNonSeparator(c)) return false; |
| break; |
| |
| case 2: |
| if (c == '0') state = 3; |
| else if (c == '1') state = 4; |
| else if (isNonSeparator(c)) return false; |
| break; |
| |
| case 4: |
| if (c == '1') state = 5; |
| else if (isNonSeparator(c)) return false; |
| break; |
| |
| case 1: |
| case 3: |
| case 5: |
| if (isISODigit(c)) state = 6; |
| else if (isNonSeparator(c)) return false; |
| break; |
| |
| case 6: |
| case 7: |
| if (isISODigit(c)) state++; |
| else if (isNonSeparator(c)) return false; |
| break; |
| |
| default: |
| if (isNonSeparator(c)) return false; |
| } |
| } |
| |
| return state == 6 || state == 7 || state == 8; |
| } |
| |
| /** all of 'a' up to len must match non-US trunk prefix ('0') */ |
| private static boolean |
| matchTrunkPrefix(String a, int len) { |
| boolean found; |
| |
| found = false; |
| |
| for (int i = 0 ; i < len ; i++) { |
| char c = a.charAt(i); |
| |
| if (c == '0' && !found) { |
| found = true; |
| } else if (isNonSeparator(c)) { |
| return false; |
| } |
| } |
| |
| return found; |
| } |
| |
| //===== End of utility methods used only in compareLoosely() ===== |
| |
| //===== Beggining of utility methods used only in compareStrictly() ==== |
| |
| /* |
| * If true, the number is country calling code. |
| */ |
| private static final boolean COUNTLY_CALLING_CALL[] = { |
| true, true, false, false, false, false, false, true, false, false, |
| false, false, false, false, false, false, false, false, false, false, |
| true, false, false, false, false, false, false, true, true, false, |
| true, true, true, true, true, false, true, false, false, true, |
| true, false, false, true, true, true, true, true, true, true, |
| false, true, true, true, true, true, true, true, true, false, |
| true, true, true, true, true, true, true, false, false, false, |
| false, false, false, false, false, false, false, false, false, false, |
| false, true, true, true, true, false, true, false, false, true, |
| true, true, true, true, true, true, false, false, true, false, |
| }; |
| private static final int CCC_LENGTH = COUNTLY_CALLING_CALL.length; |
| |
| /** |
| * @return true when input is valid Country Calling Code. |
| */ |
| private static boolean isCountryCallingCode(int countryCallingCodeCandidate) { |
| return countryCallingCodeCandidate > 0 && countryCallingCodeCandidate < CCC_LENGTH && |
| COUNTLY_CALLING_CALL[countryCallingCodeCandidate]; |
| } |
| |
| /** |
| * Returns interger corresponding to the input if input "ch" is |
| * ISO-LATIN characters 0-9. |
| * Returns -1 otherwise |
| */ |
| private static int tryGetISODigit(char ch) { |
| if ('0' <= ch && ch <= '9') { |
| return ch - '0'; |
| } else { |
| return -1; |
| } |
| } |
| |
| private static class CountryCallingCodeAndNewIndex { |
| public final int countryCallingCode; |
| public final int newIndex; |
| public CountryCallingCodeAndNewIndex(int countryCode, int newIndex) { |
| this.countryCallingCode = countryCode; |
| this.newIndex = newIndex; |
| } |
| } |
| |
| /* |
| * Note that this function does not strictly care the country calling code with |
| * 3 length (like Morocco: +212), assuming it is enough to use the first two |
| * digit to compare two phone numbers. |
| */ |
| private static CountryCallingCodeAndNewIndex tryGetCountryCallingCodeAndNewIndex( |
| String str, boolean acceptThailandCase) { |
| // Rough regexp: |
| // ^[^0-9*#+]*((\+|0(0|11)\d\d?|166) [^0-9*#+] $ |
| // 0 1 2 3 45 6 7 89 |
| // |
| // In all the states, this function ignores separator characters. |
| // "166" is the special case for the call from Thailand to the US. Uguu! |
| int state = 0; |
| int ccc = 0; |
| final int length = str.length(); |
| for (int i = 0 ; i < length ; i++ ) { |
| char ch = str.charAt(i); |
| switch (state) { |
| case 0: |
| if (ch == '+') state = 1; |
| else if (ch == '0') state = 2; |
| else if (ch == '1') { |
| if (acceptThailandCase) { |
| state = 8; |
| } else { |
| return null; |
| } |
| } else if (isDialable(ch)) { |
| return null; |
| } |
| break; |
| |
| case 2: |
| if (ch == '0') state = 3; |
| else if (ch == '1') state = 4; |
| else if (isDialable(ch)) { |
| return null; |
| } |
| break; |
| |
| case 4: |
| if (ch == '1') state = 5; |
| else if (isDialable(ch)) { |
| return null; |
| } |
| break; |
| |
| case 1: |
| case 3: |
| case 5: |
| case 6: |
| case 7: |
| { |
| int ret = tryGetISODigit(ch); |
| if (ret > 0) { |
| ccc = ccc * 10 + ret; |
| if (ccc >= 100 || isCountryCallingCode(ccc)) { |
| return new CountryCallingCodeAndNewIndex(ccc, i + 1); |
| } |
| if (state == 1 || state == 3 || state == 5) { |
| state = 6; |
| } else { |
| state++; |
| } |
| } else if (isDialable(ch)) { |
| return null; |
| } |
| } |
| break; |
| case 8: |
| if (ch == '6') state = 9; |
| else if (isDialable(ch)) { |
| return null; |
| } |
| break; |
| case 9: |
| if (ch == '6') { |
| return new CountryCallingCodeAndNewIndex(66, i + 1); |
| } else { |
| return null; |
| } |
| default: |
| return null; |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Currently this function simply ignore the first digit assuming it is |
| * trunk prefix. Actually trunk prefix is different in each country. |
| * |
| * e.g. |
| * "+79161234567" equals "89161234567" (Russian trunk digit is 8) |
| * "+33123456789" equals "0123456789" (French trunk digit is 0) |
| * |
| */ |
| private static int tryGetTrunkPrefixOmittedIndex(String str, int currentIndex) { |
| int length = str.length(); |
| for (int i = currentIndex ; i < length ; i++) { |
| final char ch = str.charAt(i); |
| if (tryGetISODigit(ch) >= 0) { |
| return i + 1; |
| } else if (isDialable(ch)) { |
| return -1; |
| } |
| } |
| return -1; |
| } |
| |
| /** |
| * Return true if the prefix of "str" is "ignorable". Here, "ignorable" means |
| * that "str" has only one digit and separater characters. The one digit is |
| * assumed to be trunk prefix. |
| */ |
| private static boolean checkPrefixIsIgnorable(final String str, |
| int forwardIndex, int backwardIndex) { |
| boolean trunk_prefix_was_read = false; |
| while (backwardIndex >= forwardIndex) { |
| if (tryGetISODigit(str.charAt(backwardIndex)) >= 0) { |
| if (trunk_prefix_was_read) { |
| // More than one digit appeared, meaning that "a" and "b" |
| // is different. |
| return false; |
| } else { |
| // Ignore just one digit, assuming it is trunk prefix. |
| trunk_prefix_was_read = true; |
| } |
| } else if (isDialable(str.charAt(backwardIndex))) { |
| // Trunk prefix is a digit, not "*", "#"... |
| return false; |
| } |
| backwardIndex--; |
| } |
| |
| return true; |
| } |
| |
| //==== End of utility methods used only in compareStrictly() ===== |
| } |