diff options
Diffstat (limited to 'tools/ahat/src/BitmapHandler.java')
-rw-r--r-- | tools/ahat/src/BitmapHandler.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/tools/ahat/src/BitmapHandler.java b/tools/ahat/src/BitmapHandler.java new file mode 100644 index 0000000000..0f567e3200 --- /dev/null +++ b/tools/ahat/src/BitmapHandler.java @@ -0,0 +1,68 @@ +/* + * 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.android.tools.perflib.heap.Instance; +import com.sun.net.httpserver.HttpExchange; +import com.sun.net.httpserver.HttpHandler; +import java.awt.image.BufferedImage; +import java.io.IOException; +import java.io.OutputStream; +import java.io.PrintStream; +import javax.imageio.ImageIO; + +class BitmapHandler implements HttpHandler { + private AhatSnapshot mSnapshot; + + public BitmapHandler(AhatSnapshot snapshot) { + mSnapshot = snapshot; + } + + @Override + public void handle(HttpExchange exchange) throws IOException { + try { + Query query = new Query(exchange.getRequestURI()); + long id = query.getLong("id", 0); + BufferedImage bitmap = null; + Instance inst = mSnapshot.findInstance(id); + if (inst != null) { + bitmap = InstanceUtils.asBitmap(inst); + } + + if (bitmap != null) { + exchange.getResponseHeaders().add("Content-Type", "image/png"); + exchange.sendResponseHeaders(200, 0); + OutputStream os = exchange.getResponseBody(); + ImageIO.write(bitmap, "png", os); + os.close(); + } else { + exchange.getResponseHeaders().add("Content-Type", "text/html"); + exchange.sendResponseHeaders(404, 0); + PrintStream ps = new PrintStream(exchange.getResponseBody()); + HtmlDoc doc = new HtmlDoc(ps, DocString.text("ahat"), DocString.uri("style.css")); + doc.big(DocString.text("No bitmap found for the given request.")); + doc.close(); + } + } catch (RuntimeException e) { + // Print runtime exceptions to standard error for debugging purposes, + // because otherwise they are swallowed and not reported. + System.err.println("Exception when handling " + exchange.getRequestURI() + ": "); + e.printStackTrace(); + throw e; + } + } +} |