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/*
* Copyright (C) 2011 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.sdklauncher;
import java.awt.*;
import java.awt.event.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
/**
* Main class for the sdklauncher application.
* <p/>
* Right now this is just experimental.
* This is designed to eventually replace the current sdklauncher.exe
* that is written in C++, which merely runs the android.bat.
* <p/>
* The new workflow is to have:
* - $SDK/tools/lib/sdkmanager.jar
* - $SDK/SDK Manager.exe
* - $SDK/AVD Manager.exe
*
* The 2 exe in the root of the $SDK are created using jsmooth
* and directly *embed* (not call) the equivalent of sdklauncher.jar.
* The launcher copies all the JARs to run to the TEMP dir and loads
* them from there, thus ideally removing any lock to the tools
* directory. In case of tools update, the sdkmanager.jar sends a
* signal to the launcher to restart itself after updating the temp copy.
*/
public class Main {
/**
* Title shown in the AWT message box in case of error.
*/
private static final String AWT_MSG_BOX_TITLE = "Android SDK Error";
/**
* The main class of the SdkManager
*/
private static final String SDK_MAN_MAIN_CLASS = "com.android.sdkmanager.Main";
// these must match the Main from Sdk Manager
/** Java property that defines the location of the sdk/tools directory. */
private final static String TOOLSDIR = "com.android.sdkmanager.toolsdir";
/** Java property that defines the working directory. On Windows the current working directory
* is actually the tools dir, in which case this is used to get the original CWD. */
private final static String WORKDIR = "com.android.sdkmanager.workdir";
public static void main(String[] args) {
new Main().run(args);
}
/**
* Runs the sdk manager app.
* <p/>
* Command-line arguments will be directly given to the SDK Manager.jar.
* Tyicall this would be just "sdk" or "avd" to display the corresponding manager.
*/
private void run(String[] args) {
// Get current directory, which should be where this app is running from
File currDir = new File(".");
try {
currDir = new File(System.getProperty("user.dir"));
// Set the tools dir and working dir properties
System.setProperty(TOOLSDIR, mkPath(currDir, "tools").getAbsolutePath());
System.setProperty(WORKDIR, currDir.getAbsolutePath());
// Load sdkmanager in a custom class loader with the following
// class path, in that specific order:
// - $SDK/tools/lib/sdkmanager.jar
// - $SDK/tools/lib/*
// - $SDK/tools/lib/$ARCH/swt.jar
File libDir = mkPath(currDir, "tools", "lib");
File sdkManJar = mkPath(libDir, "sdkmanager.jar");
File archDir = mkPath(libDir, archQuery());
File swtJar = mkPath(archDir, "swt.jar");
if (!sdkManJar.exists()) {
// Probably not started from an SDK directory...
throw new FileNotFoundException(sdkManJar.getAbsolutePath());
}
if (!swtJar.exists()) {
// Could the architecture be unsupported?
throw new FileNotFoundException(swtJar.getAbsolutePath());
}
URL[] urls = {
sdkManJar.toURI().toURL(),
libDir.toURI().toURL(),
swtJar.toURI().toURL()
};
URLClassLoader loader = new URLClassLoader(urls);
Class<?> clazz = loader.loadClass(SDK_MAN_MAIN_CLASS);
Method m = clazz.getMethod("main", new Class[] { String[].class });
m.invoke(null, new Object[] { args });
System.exit(0);
} catch(Exception e) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
e.printStackTrace(pw);
sw.flush();
showAwtDialog(sw.toString());
System.exit(1);
}
}
/**
* Appends one or more path components to a base directory.
*/
private File mkPath(File baseDir, String...paths) {
for (String path : paths) {
baseDir = new File(baseDir, path);
}
return baseDir;
}
/**
* Returns the current architecture string, e.g. "x86" or "x86_64".
* This matches the folder name at $SDK/tools/lib/$ARCH.
*
* This code is extracted from sdk/archquery/src/.../Main.java
*/
private String archQuery() {
// Values listed from http://lopica.sourceforge.net/os.html
String arch = System.getProperty("os.arch");
if (arch.equalsIgnoreCase("x86_64") || arch.equalsIgnoreCase("amd64")) {
return "x86_64";
} else if (arch.equalsIgnoreCase("x86")
|| arch.equalsIgnoreCase("i386")
|| arch.equalsIgnoreCase("i686")) {
return "x86";
} else if (arch.equalsIgnoreCase("ppc") || arch.equalsIgnoreCase("PowerPC")) {
return "ppc";
} else {
return arch;
}
}
/**
* Displays the given text content in a message box-like AWT window.
* We surely don't have SWT or Swing or anything fancy in case of error so AWT will have to do.
*/
private void showAwtDialog(String content) {
Frame f = new Frame();
AwtErrorDialog mb = new AwtErrorDialog(f, content);
mb.dispose();
}
/**
* A simple AWT window with one "Close" button that displays whatever
* error we might have to show the user. It uses a TextArea and so can
* display multi-line content with scrollbars.
*/
private static class AwtErrorDialog extends Dialog {
public AwtErrorDialog(Frame f, String content) {
super(f, AWT_MSG_BOX_TITLE, true /*modal*/);
setLayout(new BorderLayout());
add(new TextArea(content), BorderLayout.CENTER);
Panel bottom = new Panel();
add(bottom, BorderLayout.SOUTH);
Button close = new Button("Close");
bottom.add(close);
close.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setVisible(false);
}
});
this.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
setVisible(false);
}
});
pack();
setVisible(true);
}
}
}
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