01: /*
02: * Portions Copyright 2000-2007 Sun Microsystems, Inc. All Rights
03: * Reserved. Use is subject to license terms.
04: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License version
08: * 2 only, as published by the Free Software Foundation.
09: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * General Public License version 2 for more details (a copy is
14: * included at /legal/license.txt).
15: *
16: * You should have received a copy of the GNU General Public License
17: * version 2 along with this work; if not, write to the Free Software
18: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19: * 02110-1301 USA
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
22: * Clara, CA 95054 or visit www.sun.com if you need additional
23: * information or have any questions.
24: */
25: /*
26: */
27: package gov.nist.javax.sdp.fields;
28:
29: import java.util.Vector;
30:
31: /**
32: * Base list interface for SDP objects.
33: */
34: public class SDPObjectList extends Vector {
35: /**
36: * Copies the current instance.
37: * @return the copy of this object
38: */
39: public Object clone() {
40: SDPObjectList retval = new SDPObjectList();
41: for (int i = 0; i < this .size(); i++) {
42: Object obj = ((SDPObject) this .elementAt(i)).clone();
43: retval.addElement(obj);
44: }
45: return retval;
46: }
47:
48: /**
49: * Adds an sdp object to this list.
50: * @param s new object for the list
51: */
52: public void add(Object s) {
53: this .addElement(s);
54: }
55:
56: /**
57: * Gets the input text of the sdp object (from which the object was
58: * generated).
59: */
60: public SDPObjectList() {
61: super ();
62: }
63:
64: /**
65: * Encodes list a single text string.
66: * @return encoded string of object contents
67: */
68: public String encode() {
69: StringBuffer retval = new StringBuffer();
70: SDPObject sdpObject;
71: for (int i = 0; i < this .size(); i++) {
72: sdpObject = (SDPObject) this .elementAt(i);
73: retval.append(sdpObject.encode());
74: }
75: return retval.toString();
76: }
77:
78: /**
79: * Encodes list as single text string.
80: * @return encode string of object contents
81: */
82: public String toString() {
83: return this.encode();
84: }
85: }
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