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/*
* Copyright (C) 2007 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.
*/
// An error class.
class BadError extends Error {
public BadError(String s) {
super("This is bad by convention: " + s);
}
}
// A class that throws BadError during static initialization.
class BadInit {
static int dummy;
static {
System.out.println("Static Init");
if (true) {
throw new BadError("BadInit");
}
}
}
// An error that doesn't have a <init>(String) method.
class BadErrorNoStringInit extends Error {
public BadErrorNoStringInit() {
super("This is bad by convention");
}
}
// A class that throws BadErrorNoStringInit during static initialization.
class BadInitNoStringInit {
static int dummy;
static {
System.out.println("Static BadInitNoStringInit");
if (true) {
throw new BadErrorNoStringInit();
}
}
}
/**
* Exceptions across method calls
*/
public class Main {
public static void exceptions_007() {
try {
catchAndRethrow();
} catch (NullPointerException npe) {
System.out.print("Got an NPE: ");
System.out.println(npe.getMessage());
npe.printStackTrace(System.out);
}
}
public static void main (String args[]) {
exceptions_007();
exceptionsRethrowClassInitFailure();
exceptionsRethrowClassInitFailureNoStringInit();
}
private static void catchAndRethrow() {
try {
throwNullPointerException();
} catch (NullPointerException npe) {
NullPointerException npe2;
npe2 = new NullPointerException("second throw");
npe2.initCause(npe);
throw npe2;
}
}
private static void throwNullPointerException() {
throw new NullPointerException("first throw");
}
private static void exceptionsRethrowClassInitFailure() {
try {
try {
BadInit.dummy = 1;
throw new IllegalStateException("Should not reach here.");
} catch (BadError e) {
System.out.println(e);
}
// Check if it works a second time.
try {
BadInit.dummy = 1;
throw new IllegalStateException("Should not reach here.");
} catch (NoClassDefFoundError e) {
System.out.println(e);
System.out.println(e.getCause());
}
} catch (Exception error) {
error.printStackTrace(System.out);
}
}
private static void exceptionsRethrowClassInitFailureNoStringInit() {
try {
try {
BadInitNoStringInit.dummy = 1;
throw new IllegalStateException("Should not reach here.");
} catch (BadErrorNoStringInit e) {
System.out.println(e);
}
// Check if it works a second time.
try {
BadInitNoStringInit.dummy = 1;
throw new IllegalStateException("Should not reach here.");
} catch (NoClassDefFoundError e) {
System.out.println(e);
System.out.println(e.getCause());
}
} catch (Exception error) {
error.printStackTrace(System.out);
}
}
}
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