resourcedownloaderdelayedimpl.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:   ResourceDownloaderDelayedImpl.java

package org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader;

import java.io.InputStream;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.plugins.utils.resourcedownloader.*;

// Referenced classes of package org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader:
//			ResourceDownloaderBaseImpl, ResourceDownloaderErrorImpl

public class ResourceDownloaderDelayedImpl extends ResourceDownloaderBaseImpl
{

	protected ResourceDownloaderDelayedFactory factory;
	protected ResourceDownloaderBaseImpl delegate;
	protected long size;

	protected ResourceDownloaderDelayedImpl(ResourceDownloaderBaseImpl _parent, ResourceDownloaderDelayedFactory _factory)
	{
		super(_parent);
		size = -2L;
		factory = _factory;
	}

	protected void getDelegate()
	{
		this_mon.enter();
		if (delegate == null)
			try
			{
				delegate = (ResourceDownloaderBaseImpl)factory.create();
				delegate.setParent(this);
				if (size >= 0L)
					delegate.setSize(size);
			}
			catch (ResourceDownloaderException e)
			{
				delegate = new ResourceDownloaderErrorImpl(this, e);
			}
		this_mon.exit();
		break MISSING_BLOCK_LABEL_95;
		Exception exception;
		exception;
		this_mon.exit();
		throw exception;
	}

	public String getName()
	{
		if (delegate == null)
			return "<...>";
		else
			return delegate.getName();
	}

	public ResourceDownloaderBaseImpl getClone(ResourceDownloaderBaseImpl parent)
	{
		ResourceDownloaderDelayedImpl c = new ResourceDownloaderDelayedImpl(parent, factory);
		c.setSize(size);
		c.setProperties(this);
		return c;
	}

	public InputStream download()
		throws ResourceDownloaderException
	{
		getDelegate();
		return delegate.download();
	}

	public void asyncDownload()
	{
		getDelegate();
		delegate.asyncDownload();
	}

	protected void setSize(long _size)
	{
		size = _size;
		if (delegate != null && size >= 0L)
			delegate.setSize(size);
	}

	public void setProperty(String name, Object value)
		throws ResourceDownloaderException
	{
		setPropertySupport(name, value);
		if (delegate != null)
			delegate.setProperty(name, value);
	}

	public long getSize()
		throws ResourceDownloaderException
	{
		getDelegate();
		return delegate.getSize();
	}

	public void cancel()
	{
		setCancelled();
		getDelegate();
		delegate.cancel();
	}

	public void reportActivity(String activity)
	{
		getDelegate();
		delegate.reportActivity(activity);
	}

	public void addListener(ResourceDownloaderListener l)
	{
		getDelegate();
		delegate.addListener(l);
	}

	public void removeListener(ResourceDownloaderListener l)
	{
		getDelegate();
		delegate.removeListener(l);
	}
}