downloadmanagermovehandler.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:   DownloadManagerMoveHandler.java

package org.gudy.azureus2.core3.download.impl;

import java.io.File;
import java.util.ArrayList;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.download.DownloadManagerState;
import org.gudy.azureus2.plugins.download.savelocation.*;
import org.gudy.azureus2.pluginsimpl.local.PluginCoreUtils;

// Referenced classes of package org.gudy.azureus2.core3.download.impl:
//			DownloadManagerMoveHandlerUtils, DownloadManagerDefaultPaths

public class DownloadManagerMoveHandler extends DownloadManagerMoveHandlerUtils
{

	public static SaveLocationManager CURRENT_HANDLER;

	public DownloadManagerMoveHandler()
	{
	}

	private static boolean isApplicableDownload(DownloadManager dm)
	{
		if (!dm.isPersistent())
		{
			logInfo((new StringBuilder()).append(describe(dm)).append(" is not persistent.").toString(), dm);
			return false;
		}
		if (dm.getDownloadState().getFlag(4L))
		{
			logInfo((new StringBuilder()).append(describe(dm)).append(" has exclusion flag set.").toString(), dm);
			return false;
		} else
		{
			return true;
		}
	}

	public static SaveLocationChange onInitialisation(DownloadManager dm)
	{
		if (!isApplicableDownload(dm))
			return null;
		return CURRENT_HANDLER.onInitialization(PluginCoreUtils.wrap(dm), true, true);
		Exception e;
		e;
		logError("Error trying to determine initial download location.", dm, e);
		return null;
	}

	public static SaveLocationChange onRemoval(DownloadManager dm)
	{
		if (!isApplicableDownload(dm))
			return null;
		return CURRENT_HANDLER.onRemoval(PluginCoreUtils.wrap(dm), true, true);
		Exception e;
		e;
		logError("Error trying to determine on-removal location.", dm, e);
		return null;
	}

	public static SaveLocationChange onCompletion(DownloadManager dm)
	{
		if (!isApplicableDownload(dm))
			return null;
		if (dm.getDownloadState().getFlag(8L))
		{
			logInfo((new StringBuilder()).append("Completion flag already set on ").append(describe(dm)).append(", skip move-on-completion behaviour.").toString(), dm);
			return null;
		}
		SaveLocationChange sc;
		try
		{
			sc = CURRENT_HANDLER.onCompletion(PluginCoreUtils.wrap(dm), true, true);
		}
		catch (Exception e)
		{
			logError("Error trying to determine on-completion location.", dm, e);
			return null;
		}
		logInfo((new StringBuilder()).append("Setting completion flag on ").append(describe(dm)).append(", may have been set before.").toString(), dm);
		dm.getDownloadState().setFlag(8L, true);
		return sc;
	}

	public static boolean canGoToCompleteDir(DownloadManager dm)
	{
		return dm.isDownloadComplete(false) && isOnCompleteEnabled();
	}

	public static boolean isOnCompleteEnabled()
	{
		return COConfigurationManager.getBooleanParameter("Move Completed When Done");
	}

	public static boolean isOnRemovalEnabled()
	{
		return COConfigurationManager.getBooleanParameter("File.move.download.removed.enabled");
	}

	public static SaveLocationChange recalculatePath(DownloadManager dm)
	{
		org.gudy.azureus2.plugins.download.Download download = PluginCoreUtils.wrap(dm);
		SaveLocationChange result = null;
		if (canGoToCompleteDir(dm))
			result = CURRENT_HANDLER.onCompletion(download, true, false);
		if (result == null)
			result = CURRENT_HANDLER.onInitialization(download, true, false);
		return result;
	}

	public static File[] getRelatedDirs(DownloadManager dm)
	{
		ArrayList result = new ArrayList();
		org.gudy.azureus2.plugins.download.Download d = PluginCoreUtils.wrap(dm);
		if (isOnCompleteEnabled())
		{
			addFile(result, COConfigurationManager.getStringParameter("Completed Files Directory"));
			addFile(result, CURRENT_HANDLER.onCompletion(d, false, false));
			addFile(result, DownloadManagerDefaultPaths.DEFAULT_HANDLER.onCompletion(d, false, false));
		}
		if (isOnRemovalEnabled())
		{
			addFile(result, COConfigurationManager.getStringParameter("File.move.download.removed.path"));
			addFile(result, CURRENT_HANDLER.onRemoval(d, false, false));
			addFile(result, DownloadManagerDefaultPaths.DEFAULT_HANDLER.onRemoval(d, false, false));
		}
		return (File[])(File[])result.toArray(new File[result.size()]);
	}

	private static void addFile(ArrayList l, SaveLocationChange slc)
	{
		if (slc != null)
			addFile(l, slc.download_location);
	}

	private static void addFile(ArrayList l, File f)
	{
		if (f != null && !l.contains(f))
			l.add(f);
	}

	private static void addFile(ArrayList l, String s)
	{
		if (s != null && s.trim().length() != 0)
			addFile(l, new File(s));
	}

	static 
	{
		CURRENT_HANDLER = DownloadManagerDefaultPaths.DEFAULT_HANDLER;
	}
}