1 files changed, 52 insertions, 0 deletions
diff --git a/tools/ahat/src/HelpHandler.java b/tools/ahat/src/HelpHandler.java
new file mode 100644
index 0000000000..8de3c85f5c
--- /dev/null
+++ b/tools/ahat/src/HelpHandler.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2015 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 com.android.ahat;
+
+import com.google.common.io.ByteStreams;
+import com.sun.net.httpserver.HttpExchange;
+import com.sun.net.httpserver.HttpHandler;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintStream;
+
+/**
+ * HelpHandler.
+ *
+ * HttpHandler to show the help page.
+ */
+class HelpHandler implements HttpHandler {
+
+  @Override
+  public void handle(HttpExchange exchange) throws IOException {
+    ClassLoader loader = HelpHandler.class.getClassLoader();
+    exchange.getResponseHeaders().add("Content-Type", "text/html;charset=utf-8");
+    exchange.sendResponseHeaders(200, 0);
+    PrintStream ps = new PrintStream(exchange.getResponseBody());
+    HtmlDoc doc = new HtmlDoc(ps, DocString.text("ahat"), DocString.uri("style.css"));
+    doc.menu(Menu.getMenu());
+
+    InputStream is = loader.getResourceAsStream("help.html");
+    if (is == null) {
+      ps.println("No help available.");
+    } else {
+      ByteStreams.copy(is, ps);
+    }
+
+    doc.close();
+    ps.close();
+  }
+}