import aQute.bnd.osgi.Resource; //导入依赖的package包/类
private boolean addFileToJar(Jar jar, String destination, String sourceAbsPath) {
    if (includedResources.contains(sourceAbsPath)) {
        log("Skipping already included resource: %s\n", sourceAbsPath);
        return false;
    }
    File file = new File(sourceAbsPath);
    if (!file.isFile()) {
        throw new RuntimeException(
                String.format("Skipping non-existent file: %s\n", sourceAbsPath));
    }
    Resource resource = new FileResource(file);
    if (jar.getResource(destination) != null) {
        warn("Skipping duplicate resource: %s\n", destination);
        return false;
    }
    jar.putResource(destination, resource);
    includedResources.add(sourceAbsPath);
    log("Adding resource: %s\n", destination);
    return true;
}
 

import aQute.bnd.osgi.Resource; //导入依赖的package包/类
@Override
public boolean putResource(String path, Resource resource, boolean override) {
	/*
	 * we override the resource path given to "simulate" an actual jar. TODO
	 * : use the build.properties to do that reliably.
	 */
	if (path.startsWith("bin/")) {
		path = path.substring(4);
	}
	return super.putResource(path, resource, override);
}
 

import aQute.bnd.osgi.Resource; //导入依赖的package包/类
@Override
public boolean analyzeJar(Analyzer analyzer) throws Exception {
	try {
		// create tmp directory
		String TMP_PATH = analyzer.getBase().getAbsolutePath()+File.separator
				+"generated"+File.separator+"android"+File.separator
				+analyzer.getBsn()+File.separator;
		
		File f = new File(TMP_PATH);
		f.mkdirs();
		
		// get all .class files
		Jar jar = analyzer.getJar();
		if(jar==null)
			return false;
		
		Map<String, Resource> resources = jar.getResources();
		
		boolean containsClasses = false;
		for(String name : resources.keySet()){
			if(name.endsWith(".class")){
				containsClasses = true;
				InputStream is = null;
				FileOutputStream fos = null;
				try {
					is = resources.get(name).openInputStream();
					File dir = new File(TMP_PATH+name.substring(0,name.lastIndexOf(File.separator)));
					dir.mkdirs();
					fos = new FileOutputStream(new File(TMP_PATH+name));
					byte[] buffer = new byte[1024];
			        int length;
			        while ((length = is.read(buffer)) > 0) {
			            fos.write(buffer, 0, length);
			        }
				} finally {
			        is.close();
			        fos.close();
				}
			}
		}
		if(!containsClasses)
			return false;
		
		// create classes.dex using dx tool
		
		if(dx==null)
			findDX();
		if (dx==null)
			throw new Exception("dx not found, make sure dx location is configured and the Android SDK is correctly set up");
		
		Process p = Runtime.getRuntime().exec(dx+" --dex --output="+TMP_PATH+"classes.dex "+TMP_PATH);
		p.waitFor();
		// TODO parse dx output to spot errors
		
		// add classes.dex to the .jar 
		File dexFile = new File(TMP_PATH+"classes.dex");
		if(!dexFile.exists()){
			throw new Exception("Failed to create classes.dex, make sure compiler level is 1.6");
		}
		
		analyzer.addIncluded(dexFile);
		jar.putResource("classes.dex", new DexResource(dexFile));
	} catch(Exception e){
		analyzer.warning("Error embedding classes.dex file: " + e.getLocalizedMessage());
		return false;
	}
	
	return true;
}