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/*
* Copyright (C) 2008 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.hierarchyviewer.scene;
import com.android.ddmlib.IDevice;
import com.android.hierarchyviewer.device.DeviceBridge;
import com.android.hierarchyviewer.device.Window;
import org.openide.util.Exceptions;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.util.Collections;
import java.util.Comparator;
import java.util.Stack;
public class ViewHierarchyLoader {
@SuppressWarnings("empty-statement")
public static ViewHierarchyScene loadScene(IDevice device, Window window) {
ViewHierarchyScene scene = new ViewHierarchyScene();
// Read the views tree
Socket socket = null;
BufferedReader in = null;
BufferedWriter out = null;
String line;
try {
System.out.println("==> Starting client");
socket = new Socket();
socket.connect(new InetSocketAddress("127.0.0.1",
DeviceBridge.getDeviceLocalPort(device)));
out = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
in = new BufferedReader(new InputStreamReader(socket.getInputStream(), "utf-8"));
System.out.println("==> DUMP");
out.write("DUMP " + window.encode());
out.newLine();
out.flush();
Stack<ViewNode> stack = new Stack<ViewNode>();
boolean setRoot = true;
ViewNode lastNode = null;
int lastWhitespaceCount = Integer.MAX_VALUE;
while ((line = in.readLine()) != null) {
if ("DONE.".equalsIgnoreCase(line)) {
break;
}
int whitespaceCount = countFrontWhitespace(line);
if (lastWhitespaceCount < whitespaceCount) {
stack.push(lastNode);
} else if (!stack.isEmpty()) {
final int count = lastWhitespaceCount - whitespaceCount;
for (int i = 0; i < count; i++) {
stack.pop();
}
}
lastWhitespaceCount = whitespaceCount;
line = line.trim();
int index = line.indexOf(' ');
lastNode = new ViewNode();
lastNode.name = line.substring(0, index);
line = line.substring(index + 1);
loadProperties(lastNode, line);
scene.addNode(lastNode);
if (setRoot) {
scene.setRoot(lastNode);
setRoot = false;
}
if (!stack.isEmpty()) {
final ViewNode parent = stack.peek();
final String edge = parent.name + lastNode.name;
scene.addEdge(edge);
scene.setEdgeSource(edge, parent);
scene.setEdgeTarget(edge, lastNode);
lastNode.parent = parent;
parent.children.add(lastNode);
}
}
updateIndices(scene.getRoot());
} catch (IOException ex) {
Exceptions.printStackTrace(ex);
} finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
socket.close();
} catch (IOException ex) {
Exceptions.printStackTrace(ex);
}
}
System.out.println("==> DONE");
return scene;
}
private static void updateIndices(ViewNode root) {
if (root == null) return;
root.computeIndex();
for (ViewNode node : root.children) {
updateIndices(node);
}
}
private static int countFrontWhitespace(String line) {
int count = 0;
while (line.charAt(count) == ' ') {
count++;
}
return count;
}
private static void loadProperties(ViewNode node, String data) {
int start = 0;
boolean stop;
do {
int index = data.indexOf('=', start);
ViewNode.Property property = new ViewNode.Property();
property.name = data.substring(start, index);
int colonIndex = property.name.indexOf(':');
if (colonIndex != -1) {
property.name = property.name.substring(colonIndex + 1);
}
int index2 = data.indexOf(',', index + 1);
int length = Integer.parseInt(data.substring(index + 1, index2));
start = index2 + 1 + length;
property.value = data.substring(index2 + 1, index2 + 1 + length);
node.properties.add(property);
node.namedProperties.put(property.name, property);
stop = start >= data.length();
if (!stop) {
start += 1;
}
} while (!stop);
Collections.sort(node.properties, new Comparator<ViewNode.Property>() {
public int compare(ViewNode.Property source, ViewNode.Property destination) {
return source.name.compareTo(destination.name);
}
});
node.decode();
}
}
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