1/* 2 * libjingle 3 * Copyright 2013, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28package org.webrtc; 29 30import java.util.LinkedList; 31import java.util.List; 32 33/** 34 * Description of media constraints for {@code MediaStream} and 35 * {@code PeerConnection}. 36 */ 37public class MediaConstraints { 38 /** Simple String key/value pair. */ 39 public static class KeyValuePair { 40 private final String key; 41 private final String value; 42 43 public KeyValuePair(String key, String value) { 44 this.key = key; 45 this.value = value; 46 } 47 48 public String getKey() { 49 return key; 50 } 51 52 public String getValue() { 53 return value; 54 } 55 56 public String toString() { 57 return key + ": " + value; 58 } 59 } 60 61 62 public final List<KeyValuePair> mandatory; 63 public final List<KeyValuePair> optional; 64 65 public MediaConstraints() { 66 mandatory = new LinkedList<KeyValuePair>(); 67 optional = new LinkedList<KeyValuePair>(); 68 } 69 70 private static String stringifyKeyValuePairList(List<KeyValuePair> list) { 71 StringBuilder builder = new StringBuilder("["); 72 for (KeyValuePair pair : list) { 73 if (builder.length() > 1) { 74 builder.append(", "); 75 } 76 builder.append(pair.toString()); 77 } 78 return builder.append("]").toString(); 79 } 80 81 public String toString() { 82 return "mandatory: " + stringifyKeyValuePairList(mandatory) + 83 ", optional: " + stringifyKeyValuePairList(optional); 84 } 85} 86