com.robonobo.common.media.PlaylistItem.java Source code

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Here is the source code for com.robonobo.common.media.PlaylistItem.java

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package com.robonobo.common.media;
/*
 * Robonobo Common Utils
 * Copyright (C) 2008 Will Morton (macavity@well.com) & Ray Hilton (ray@wirestorm.net)
    
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
    
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
    
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

import java.io.*;
import java.util.List;
import java.util.Vector;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class PlaylistItem implements Serializable {
    private static final long serialVersionUID = 1L;
    String file;
    String title;
    int length;

    public PlaylistItem() {
    }

    public static List getPlaylist(String uri) throws IOException, PlaylistFormatException {
        Log log = LogFactory.getLog(PlaylistItem.class);
        Vector list = new Vector();
        HttpClient client = new HttpClient();
        GetMethod get = new GetMethod(uri);
        int status = client.executeMethod(get);
        switch (status) {
        case 200:
            BufferedReader reader = new BufferedReader(new InputStreamReader(get.getResponseBodyAsStream()));
            String line = reader.readLine();
            if (!line.equals("[playlist]"))
                throw new PlaylistFormatException("The provided URL does not describe a playlist");
            String[] kvp;
            int currentEntryNumber = 1;
            int version = 2;
            int supposedNumberOfEntries = 1;
            PlaylistItem currentEntry = new PlaylistItem();
            while ((line = reader.readLine()) != null) {
                kvp = line.split("=");
                if (kvp[0].equals("NumberOfEntries")) {
                    supposedNumberOfEntries = Integer.parseInt(kvp[1]);
                } else if (kvp[0].equals("Version")) {
                    version = Integer.parseInt(kvp[1]);
                    if (version != 2)
                        throw new PlaylistFormatException(
                                "This parser currently only supports version 2 .pls files");
                } else {
                    if (!kvp[0].endsWith(String.valueOf(currentEntryNumber))) {
                        list.add(currentEntry);
                        currentEntryNumber++;
                        currentEntry = new PlaylistItem();
                    }
                    if (kvp[0].startsWith("File")) {
                        currentEntry.setFile(kvp[1]);
                    } else if (kvp[0].startsWith("Title")) {
                        currentEntry.setTitle(kvp[1]);
                    } else if (kvp[0].startsWith("Length")) {
                        currentEntry.setLength(Integer.parseInt(kvp[1]));
                    }
                }
            }
            if (currentEntry != null)
                list.add(currentEntry);
            if (supposedNumberOfEntries != list.size())
                throw new PlaylistFormatException("The server said there were " + supposedNumberOfEntries
                        + " but we actually got " + list.size());
            return list;
        default:
            throw new IOException(
                    "The remote server responded with a status " + status + " and not 200 as expected");
        }
    }

    public String getFile() {
        return file;
    }

    public int getLength() {
        return length;
    }

    public String getTitle() {
        return title;
    }

    public void setFile(String file) {
        this.file = file;
    }

    public void setLength(int length) {
        this.length = length;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String toString() {
        return "ShoutcastServer[file=" + file + ",title=" + title + ",length=" + length + "]";
    }
}