protected void writeBody(ID3DataOutputStream oIDOS) throws IOException {
// text encoding
oIDOS.writeUnsignedByte(m_oTextEncoding.getEncodingValue());
// price string
oIDOS.write(m_sPrice.getBytes());
oIDOS.writeUnsignedByte(0);
// valid until
oIDOS.write(m_sValidUntil.getBytes());
// contact url
oIDOS.write(m_sContactUrl.getBytes());
oIDOS.writeUnsignedByte(0);
// received as
oIDOS.writeUnsignedByte(m_byReceivedAs);
// name of seller
if (m_sNameOfSeller != null) {
oIDOS.write(m_sNameOfSeller.getBytes(m_oTextEncoding.getEncodingString()));
}
// null terminating optional name of seller
if (m_oTextEncoding.equals(TextEncoding.ISO_8859_1)) {
oIDOS.writeUnsignedByte(0);
} else {
oIDOS.writeUnsignedByte(0);
oIDOS.writeUnsignedByte(0);
}
// description
if (m_sDescription != null) {
oIDOS.write(m_sDescription.getBytes(m_oTextEncoding.getEncodingString()));
}
// null terminating optional description
if (m_oTextEncoding.equals(TextEncoding.ISO_8859_1)) {
oIDOS.writeUnsignedByte(0);
} else {
oIDOS.writeUnsignedByte(0);
oIDOS.writeUnsignedByte(0);
}
// optional company logo image
if (m_abySellerLogoData != null) {
// image mime type (optional, "image/" assumed if not set)
if (m_sPictureMimeType != null) {
oIDOS.write(m_sPictureMimeType.getBytes());
}
oIDOS.writeUnsignedByte(0); // terminating null
// actual image data
oIDOS.write(m_abySellerLogoData);
}
}
public boolean equals(Object oOther) {
if ((oOther == null) || (!(oOther instanceof COMRID3V2Frame))) {
return false;
}
COMRID3V2Frame oOtherCOMR = (COMRID3V2Frame) oOther;
return (m_oTextEncoding.equals(oOtherCOMR.m_oTextEncoding)
&& m_sPrice.equals(oOtherCOMR.m_sPrice)
&& m_sValidUntil.equals(oOtherCOMR.m_sValidUntil)
&& m_sContactUrl.equals(oOtherCOMR.m_sContactUrl)
&& (m_byReceivedAs == oOtherCOMR.m_byReceivedAs)
&& m_sNameOfSeller.equals(oOtherCOMR.m_sNameOfSeller)
&& m_sDescription.equals(oOtherCOMR.m_sDescription)
&& m_sPictureMimeType.equals(oOtherCOMR.m_sPictureMimeType)
&& Arrays.equals(m_abySellerLogoData, oOtherCOMR.m_abySellerLogoData));
}
/**
* Constructor.
*
* @param sPrice a price(s) string (a price string consists of a three letter ISO-4217 currency
* code, followed by an amount, where "." is used as the decimal separator). Multiple prices
* may be separated by a "/" characters.
* @param sValidUntil the date the prices offer is valid until, in the format YYYYMMDD
* @param sContactUrl an URL at which contact can be made with the seller
* @param byReceivedAs byte specifying how the track will be delivered when purchased
* @param sNameOfSeller the name of the seller
* @param sDescription short description of the product
* @param sPictureMimeType the mime type of the picture (only "image/jpeg" and "image/png" are
* allowed by the ID3 specification)
* @param abySellerLogoData the image data containing the seller's logo
* @throws org.blinkenlights.jid3.ID3Exception if sPrice is null or invalid
* @throws org.blinkenlights.jid3.ID3Exception if sValidUntil is null or invalid
* @throws org.blinkenlights.jid3.ID3Exception if sContactUrl is null
* @throws org.blinkenlights.jid3.ID3Exception if sNameOfSeller is null
* @throws org.blinkenlights.jid3.ID3Exception if sDecription is null
*/
public COMRID3V2Frame(
String sPrice,
String sValidUntil,
String sContactUrl,
byte byReceivedAs,
String sNameOfSeller,
String sDescription,
String sPictureMimeType,
byte[] abySellerLogoData)
throws ID3Exception {
m_oTextEncoding = TextEncoding.getDefaultTextEncoding();
if (sPrice == null) {
throw new ID3Exception("Price required in COMR frame.");
}
if (!sPrice.matches("(?uis)(\\w{3}\\d*\\.?\\d+/?)+")) {
throw new ID3Exception("Invalid COMR frame price string.");
}
m_sPrice = sPrice;
if (sValidUntil == null) {
throw new ID3Exception("Valid until valud required in COMR frame.");
}
if (!sValidUntil.matches("(?uis)\\d{8}")) {
throw new ID3Exception("Invalid COMR frame valid until date.");
}
m_sValidUntil = sValidUntil;
if (sContactUrl == null) {
throw new ID3Exception("Contact URL required in COMR frame.");
}
m_sContactUrl = sContactUrl;
m_byReceivedAs = byReceivedAs;
if (sNameOfSeller == null) {
throw new ID3Exception("Name of seller required in COMR frame.");
}
m_sNameOfSeller = sNameOfSeller;
if (sDescription == null) {
throw new ID3Exception("Description required in COMR frame.");
}
m_sDescription = sDescription;
m_sPictureMimeType = sPictureMimeType;
if (m_sPictureMimeType == null) {
m_sPictureMimeType = "image/";
}
m_abySellerLogoData = abySellerLogoData;
}
public COMRID3V2Frame(InputStream oIS) throws ID3Exception {
// Parse out the text encoding and text string from the raw data
try {
ID3DataInputStream oFrameDataID3DIS = new ID3DataInputStream(oIS);
// text encoding
m_oTextEncoding = TextEncoding.getTextEncoding(oFrameDataID3DIS.readUnsignedByte());
// price (read to null)
m_sPrice = oFrameDataID3DIS.readStringToNull();
// valid until
byte[] abyValidUntil = new byte[8];
oFrameDataID3DIS.readFully(abyValidUntil);
m_sValidUntil = new String(abyValidUntil);
// contact url (read to null)
m_sContactUrl = oFrameDataID3DIS.readStringToNull();
// received as
m_byReceivedAs = (byte) oFrameDataID3DIS.readUnsignedByte();
// name of seller (read to null)
m_sNameOfSeller = oFrameDataID3DIS.readStringToNull(m_oTextEncoding);
// description (read to null)
m_sDescription = oFrameDataID3DIS.readStringToNull(m_oTextEncoding);
// is there a company logo picture coming?
if (oFrameDataID3DIS.available() > 0) {
// company logo mime type (read to null)
m_sPictureMimeType = oFrameDataID3DIS.readStringToNull();
// company logo picture data
m_abySellerLogoData = new byte[oFrameDataID3DIS.available()];
oFrameDataID3DIS.readFully(m_abySellerLogoData);
}
} catch (Exception e) {
throw new InvalidFrameID3Exception(e);
}
}