diff options
Diffstat (limited to 'source/FieldPair.java')
| -rw-r--r-- | source/FieldPair.java | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/source/FieldPair.java b/source/FieldPair.java new file mode 100644 index 0000000..d3804c6 --- /dev/null +++ b/source/FieldPair.java @@ -0,0 +1,202 @@ +/* + * Created on May 6, 2003 + * + * To change the template for this generated file go to + * Window>Preferences>Java>Code Generation>Code and Comments +Copyright 2003 Joseph Barnett + +This File is part of "one 2 oh my god" + +"one 2 oh my god" is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +Free Software Foundation; either version 2 of the License, or +your option) any later version. + +"one 2 oh my god" 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 "one 2 oh my god"; if not, write to the Free Software +Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + */ +package itunes; +import java.io.*; +import java.util.ArrayList; + +import itunes.client.request.Request; +import itunes.client.Song; +/** + * @author jbarnett + * + * To change the template for this generated type comment go to + * Window>Preferences>Java>Code Generation>Code and Comments + */ +public class FieldPair { + public String name; + public byte[] value; + public byte[] transmission; + + public FieldPair(String name, int value) { + byte[] bytes = new byte[4]; + enterInt(bytes, value, 0); + init(name,bytes,0,bytes.length); + } + + public FieldPair(String name, Song s, String meta) { + String[] extraTags = meta.split(","); + FieldPair miid = new FieldPair("miid", s.id); + FieldPair minm = new FieldPair("minm", s.getName()); + ArrayList songPairs = new ArrayList(); + songPairs.add(miid); songPairs.add(minm); + for (int i = 0; i < extraTags.length; i++) { + // add FieldPairs for each meta tag + if (!extraTags[i].equals("dmap.itemid") && !extraTags[i].equals("dmap.itemname")) { //already do these + FieldPair newPair=new FieldPair(lookup(extraTags[i]), lookup(extraTags[i], s)); + if (!newPair.name.equals("null")) + songPairs.add(newPair); + } + } + FieldPair[] array = new FieldPair[songPairs.size()]; + System.arraycopy(songPairs.toArray(), 0, array, 0, array.length); + byte[] bytes = embed(array); + init(name,bytes,0,bytes.length); + } + + public FieldPair(String name, FieldPair[] fields) { + byte[] bytes = embed(fields); + init(name,bytes,0,bytes.length); + } + + public FieldPair(String name, byte[] value) { + init(name,value,0,value.length); + } + + public FieldPair(String name, byte value) { + byte[] bytes = {value}; + init(name,bytes,0,bytes.length); + } + public FieldPair(String name, byte[] value,int offset, int size) { + init(name,value,offset,size); + } + public FieldPair (String name, String value) { + init(name, value.getBytes(), 0, value.getBytes().length); + } + + public void init(String name, byte[] value, int offset ,int size) { + this.name = name; + this.value = new byte[size]; + try { + ByteArrayInputStream b = new ByteArrayInputStream(value,offset,size); + DataInputStream d = new DataInputStream(b); + d.readFully(this.value); + } catch (IOException e) { + e.printStackTrace(); + } + transmission = getDaapBytes(); + } + + public String toString() { + String ret = name + " "; + for (int i = 0; i < value.length;i++) { + ret+= Integer.toHexString(0xFF&value[i]) + " "; + } + ret += "("+ Request.readString(value,0,value.length)+")"; + + return ret; + } + + private byte[] getDaapBytes() { + byte[] bytes = new byte[4+value.length+name.length()]; + System.arraycopy(name.getBytes(), 0, bytes, 0, name.length()); + int length = value.length; + byte[] lengthBytes = new byte[4]; + lengthBytes[3] = (byte)(length % 256); + length = length / 256; + lengthBytes[2] = (byte)(length % 256); + length = length / 256; + lengthBytes[1] = (byte)(length % 256); + length = length / 256; + lengthBytes[0] = (byte)(length % 256); + System.arraycopy(lengthBytes,0,bytes, name.length(), 4); + System.arraycopy(value, 0, bytes, name.length() + 4, value.length); + return bytes; + } + + public boolean equals(Object o) { + if (FieldPair.class.isInstance(o)) { + return (((FieldPair)o).name.equals(this.name)); + } else if (String.class.isInstance(o)) { + return ((String)o).equals(this.name); + } else return false; + } + + public static void enterInt(byte[] data, int value, int offset) { + int temp = value; + for (int i = offset; i < offset + 4; i++) { + data[offset + 3 - i] = (byte)( temp % 256); + temp = temp / 256; + } + } + + private static byte[] embed(FieldPair[] fields) { + int offset = 0; + int length = 0; + for (int i = 0; i < fields.length; i++) { + length += fields[i].transmission.length; + } + byte[] data = new byte[length]; + for (int i = 0; i < fields.length; i++) { + System.arraycopy(fields[i].transmission, 0, data, offset, fields[i].transmission.length); + offset += fields[i].transmission.length; + } + return data; + } + + private static String lookup(String meta) { + if (meta.equals("daap.songalbum")) { + return "asal"; + } else if (meta.equals("daap.songartist")) { + return "asar"; + } else if (meta.equals("daap.songtracknumber")) { + return "astn"; + } else if (meta.equals("daap.songuserrating")) { + return "asur"; + } else if (meta.equals("daap.songgenre")) { + return "asgn"; + } else if (meta.equals("daap.songformat")) { + return "asfm"; + } else if (meta.equals("daap.songtime")) { + return "astm"; + } + return "null"; + } + + private static byte[] lookup(String meta, Song s) { + if (meta.equals("daap.songalbum")) { + return s.getAlbum().getBytes(); + } else if (meta.equals("daap.songartist")) { + return s.getArtist().getBytes(); + } else if (meta.equals("daap.songtracknumber")) { + byte[] intBytes = new byte[2]; + intBytes[0] = (byte)(s.getTrack() / 256); + intBytes[1] = (byte)(s.getTrack() % 256); + return intBytes; + } else if (meta.equals("daap.songuserrating")) { + byte[] bytes = {(byte)0}; + return bytes; + }else if (meta.equals("daap.songgenre")) { + return s.getGenre().getBytes(); + } else if (meta.equals("daap.songformat")) { + return "mp3".getBytes(); + } else if (meta.equals("daap.songtime")) { + byte[] intBytes = new byte[4]; + enterInt(intBytes, s.getTime(), 0); + return intBytes; + } + return new byte[0]; + } +} + |