FileListingReceiver.java

/*
 * Copyright (C) 2012 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.motorola.studio.android.adt;

import java.util.ArrayList;
import java.util.List;

import com.android.ddmlib.FileListingService;
import com.android.ddmlib.FileListingService.FileEntry;
import com.android.ddmlib.FileListingService.IListingReceiver;

/**
 * Receive ddms notifications about file listing and notify the listener
 */
class FileListingReceiver implements IListingReceiver
{
    private final List<String> availableSegments;

    private final FileListingService service;

    private final IDatabaseListingListener listener;

    private final List<String> databases;

    public FileListingReceiver(List<String> segments, FileListingService fileListingService,
            IDatabaseListingListener listener)
    {
        this.availableSegments = segments;
        this.service = fileListingService;
        this.listener = listener;
        this.databases = new ArrayList<String>();
    }

    public void refreshEntry(FileEntry fileentry)
    {
        //do nothing
    }

    public void setChildren(FileEntry fileentry, FileEntry[] afileentry)
    {
        if (availableSegments.size() > 0)
        {
            String theSegment = availableSegments.remove(0);
            FileEntry entry = fileentry.findChild(theSegment);
            if (entry != null)
            {
                service.getChildren(entry, false, new FileListingReceiver(availableSegments,
                        service, listener));
            }
            else
            {
                notifyListeners();
            }
        }
        else
        {
            for (FileEntry entry : afileentry)
            {
                databases.add(entry.getName());
            }
            notifyListeners();
        }
    }

    private void notifyListeners()
    {
        this.listener.databasesFound(databases);
    }

}