/*
* Portions Copyright 2000-2009 Sun Microsystems, Inc. All Rights
* Reserved. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* 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 version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package gov.nist.javax.sdp.parser;
import java.util.*;
import gov.nist.core.*;
import gov.nist.javax.sdp.fields.*;
import gov.nist.javax.sdp.*;
/**
* Announcement parser.
*/
public class SDPAnnounceParser extends ParserCore {
/** Current lexer engine. */
protected Lexer lexer;
/** The SDP message to be parsed. */
protected Vector sdpMessage;
/**
* Creates new SDPAnnounceParser.
* @param sdpMessage Vector of messages to parse.
*/
public SDPAnnounceParser(Vector sdpMessage) {
this.sdpMessage = sdpMessage;
}
/**
* Creates a new SDPAnnounceParser.
* @param sdpAnnounce message containing the sdp announce message.
*/
public SDPAnnounceParser(String sdpAnnounce) {
sdpMessage = new Vector();
int start = 0;
if (sdpAnnounce == null)
return;
while (start < sdpAnnounce.length()) {
int add = 0;
int index = sdpAnnounce.indexOf("\n", start);
if (index == -1) break;
if (sdpAnnounce.charAt(index - 1) == '\r') {
index = index - 1;
add = 1;
}
String line = sdpAnnounce.substring(start, index);
start = index + 1 + add;
sdpMessage.addElement(line);
}
}
/**
* Parses the session description field.
* @exception ParseException if a parsing error occurs
* @return the parsed session description field
*/
public SessionDescriptionImpl parse() throws ParseException {
SessionDescriptionImpl retval = new SessionDescriptionImpl();
for (int i = 0; i < sdpMessage.size(); i++) {
String field = (String) sdpMessage.elementAt(i);
SDPParser sdpParser = ParserFactory.createParser(field);
SDPField sdpField = sdpParser.parse();
retval.addField(sdpField);
}
return retval;
}
}