aejarbuilder.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   AEJarBuilder.java

package org.gudy.azureus2.core3.util.jar;

import java.io.*;
import java.net.URI;
import java.net.URL;
import java.util.*;
import java.util.jar.JarEntry;
import java.util.jar.JarOutputStream;
import org.gudy.azureus2.core3.logging.LogAlert;
import org.gudy.azureus2.core3.logging.Logger;
import org.gudy.azureus2.core3.security.SESecurityManager;
import org.gudy.azureus2.core3.util.*;

// Referenced classes of package org.gudy.azureus2.core3.util.jar:
//			AEJarSigner2

public class AEJarBuilder
{

	public AEJarBuilder()
	{
	}

	public static long buildFromPackages(OutputStream os, ClassLoader class_loader, String package_names[], Map package_map, String sign_alias)
		throws IOException
	{
		List resource_names = new ArrayList();
		for (int i = 0; i < package_names.length; i++)
		{
			List entries = (List)package_map.get(package_names[i]);
			if (entries == null)
			{
				Debug.out((new StringBuilder()).append("package '").append(package_names[i]).append("' missing").toString());
				continue;
			}
			for (int j = 0; j < entries.size(); j++)
				resource_names.add((new StringBuilder()).append(package_names[i]).append("/").append(entries.get(j)).toString());

		}

		String res[] = new String[resource_names.size()];
		resource_names.toArray(res);
		return buildFromResources2(os, class_loader, null, res, sign_alias);
	}

	public static void buildFromResources(OutputStream os, ClassLoader class_loader, String resource_prefix, String resource_names[], String sign_alias)
		throws IOException
	{
		buildFromResources2(os, class_loader, resource_prefix, resource_names, sign_alias);
	}

	private static long buildFromResources2(OutputStream os, ClassLoader class_loader, String resource_prefix, String resource_names[], String sign_alias)
		throws IOException
	{
		ByteArrayOutputStream baos;
		long tim;
		if (sign_alias == null)
			break MISSING_BLOCK_LABEL_173;
		baos = new ByteArrayOutputStream(0x10000);
		tim = buildFromResourcesSupport(new JarOutputStream(baos), class_loader, resource_prefix, resource_names);
		org.gudy.azureus2.core3.security.SEKeyDetails kd = SESecurityManager.getKeyDetails(sign_alias);
		if (kd == null)
		{
			Logger.log(new LogAlert(false, 3, (new StringBuilder()).append("Certificate alias '").append(sign_alias).append("' not found, jar signing fails").toString()));
			throw new Exception((new StringBuilder()).append("Certificate alias '").append(sign_alias).append("' not found ").toString());
		}
		AEJarSigner2 signer = new AEJarSigner2(sign_alias, SESecurityManager.getKeystoreName(), SESecurityManager.getKeystorePassword());
		signer.signJarStream(new ByteArrayInputStream(baos.toByteArray()), os);
		return tim;
		Throwable e;
		e;
		Debug.printStackTrace(e);
		throw new IOException(e.getMessage());
		JarOutputStream jos;
		if (os instanceof JarOutputStream)
			jos = (JarOutputStream)os;
		else
			jos = new JarOutputStream(os);
		return buildFromResourcesSupport(jos, class_loader, resource_prefix, resource_names);
	}

	public static long buildFromResourcesSupport(JarOutputStream jos, ClassLoader class_loader, String resource_prefix, String resource_names[])
		throws IOException
	{
		long latest_time;
		long now;
		int i;
		latest_time = 0L;
		now = SystemTime.getCurrentTime();
		i = 0;
_L3:
		if (i >= resource_names.length) goto _L2; else goto _L1
_L1:
		String resource_name;
		InputStream is;
		resource_name = resource_names[i];
		if (resource_prefix != null)
			resource_name = (new StringBuilder()).append(resource_prefix).append("/").append(resource_name).toString();
		is = null;
		is = class_loader.getResourceAsStream(resource_name);
		if (is == null)
		{
			Debug.out((new StringBuilder()).append("WUJarBuilder: failed to find resource '").append(resource_name).append("'").toString());
		} else
		{
			URL url = class_loader.getResource(resource_name);
			try
			{
				File file = null;
				if (url != null)
				{
					String url_str = url.toString();
					if (url_str.startsWith("jar:file:"))
						file = FileUtil.getJarFileFromURL(url_str);
					else
					if (url_str.startsWith("file:"))
						file = new File(URI.create(url_str));
				}
				if (file == null)
				{
					latest_time = now;
				} else
				{
					long time = file.lastModified();
					if (time > latest_time)
						latest_time = time;
				}
			}
			catch (Throwable e)
			{
				Debug.printStackTrace(e);
			}
			JarEntry entry = new JarEntry(resource_name);
			writeEntry(jos, entry, is);
		}
		if (is != null)
			is.close();
		continue; /* Loop/switch isn't completed */
		Exception exception;
		exception;
		if (is != null)
			is.close();
		throw exception;
		i++;
		  goto _L3
_L2:
		JarEntry entry = new JarEntry("META-INF/MANIFEST.MF");
		ByteArrayInputStream bais = new ByteArrayInputStream("Manifest-Version: 1.0\r\n\r\n".getBytes());
		writeEntry(jos, entry, bais);
		jos.flush();
		jos.finish();
		return latest_time;
	}

	private static void writeEntry(JarOutputStream jos, JarEntry entry, InputStream data)
		throws IOException
	{
		jos.putNextEntry(entry);
		byte newBytes[] = new byte[4096];
		for (int size = data.read(newBytes); size != -1; size = data.read(newBytes))
			jos.write(newBytes, 0, size);

	}
}