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/*****************************************************************
|
| Copyright 2002-2008 Axiomatic Systems, LLC
|
| $Id: SchmAtom.java 196 2008-10-14 22:59:31Z bok $
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL 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, or (at your option)
| any later version.
|
| Bento4|GPL 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 Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
package com.axiosys.bento4;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.RandomAccessFile;
public class SchmAtom extends Atom {
private int schemeType;
private int schemeVersion;
private String schemeUri;
public SchmAtom(int size, RandomAccessFile source) throws IOException {
super(TYPE_SCHM, size, true, source);
schemeType = source.readInt();
schemeVersion = source.readInt();
byte[] str = new byte[size-getHeaderSize()-8];
source.read(str);
int str_size = 0;
while (str_size < str.length && str[str_size] != 0) str_size++;
schemeUri = new String(str, 0, str_size, "UTF-8");
}
public int getSchemeType() {
return schemeType;
}
public String getSchemeUri() {
return schemeUri;
}
public int getSchemeVersion() {
return schemeVersion;
}
protected void writeFields(DataOutputStream stream) throws IOException {
stream.writeInt(schemeType);
stream.writeInt(schemeVersion);
byte[] uri_bytes = schemeUri.getBytes("UTF-8");
stream.write(uri_bytes);
int termination = size-getHeaderSize()-8-uri_bytes.length;
for (int i=0; i<termination; i++) {
stream.writeByte(0);
}
}
public String toString(String indentation) {
StringBuffer result = new StringBuffer(super.toString(indentation));
result.append("\n" + indentation + " scheme_type = " + Atom.typeString(schemeType));
result.append("\n" + indentation + " scheme_version = " + schemeVersion);
result.append("\n" + indentation + " scheme_uri = " + schemeUri);
return result.toString();
}
}
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