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 28 package org.webrtc; 29 30 import java.util.LinkedList; 31 import java.util.List; 32 33 /** 34 * Description of media constraints for {@code MediaStream} and 35 * {@code PeerConnection}. 36 */ 37 public class MediaConstraints { 38 /** Simple String key/value pair. */ 39 public static class KeyValuePair { 40 private final String key; 41 private final String value; 42 KeyValuePair(String key, String value)43 public KeyValuePair(String key, String value) { 44 this.key = key; 45 this.value = value; 46 } 47 getKey()48 public String getKey() { 49 return key; 50 } 51 getValue()52 public String getValue() { 53 return value; 54 } 55 toString()56 public String toString() { 57 return key + ": " + value; 58 } 59 60 @Override equals(Object other)61 public boolean equals(Object other) { 62 if (this == other) { 63 return true; 64 } 65 if (other == null || getClass() != other.getClass()) { 66 return false; 67 } 68 KeyValuePair that = (KeyValuePair)other; 69 return key.equals(that.key) && value.equals(that.value); 70 } 71 72 @Override hashCode()73 public int hashCode() { 74 return key.hashCode() + value.hashCode(); 75 } 76 } 77 78 public final List<KeyValuePair> mandatory; 79 public final List<KeyValuePair> optional; 80 MediaConstraints()81 public MediaConstraints() { 82 mandatory = new LinkedList<KeyValuePair>(); 83 optional = new LinkedList<KeyValuePair>(); 84 } 85 stringifyKeyValuePairList(List<KeyValuePair> list)86 private static String stringifyKeyValuePairList(List<KeyValuePair> list) { 87 StringBuilder builder = new StringBuilder("["); 88 for (KeyValuePair pair : list) { 89 if (builder.length() > 1) { 90 builder.append(", "); 91 } 92 builder.append(pair.toString()); 93 } 94 return builder.append("]").toString(); 95 } 96 toString()97 public String toString() { 98 return "mandatory: " + stringifyKeyValuePairList(mandatory) + 99 ", optional: " + stringifyKeyValuePairList(optional); 100 } 101 } 102