1 /* 2 * Copyright 2009 Mike Cumings 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.kenai.jbosh; 18 19 /** 20 * Data type representing the getValue of the {@code accept} attribute of the 21 * {@code bosh} element. 22 */ 23 final class AttrAccept extends AbstractAttr<String> { 24 25 /** 26 * Array of the accepted encodings. 27 */ 28 private final String[] encodings; 29 30 /** 31 * Creates a new attribute object. 32 * 33 * @param val attribute getValue 34 * @throws BOSHException on parse or validation failure 35 */ AttrAccept(final String val)36 private AttrAccept(final String val) { 37 super(val); 38 encodings = val.split("[\\s,]+"); 39 } 40 41 /** 42 * Creates a new attribute instance from the provided String. 43 * 44 * @param str string representation of the attribute 45 * @return attribute instance or {@code null} if provided string is 46 * {@code null} 47 * @throws BOSHException on parse or validation failure 48 */ createFromString(final String str)49 static AttrAccept createFromString(final String str) 50 throws BOSHException { 51 if (str == null) { 52 return null; 53 } else { 54 return new AttrAccept(str); 55 } 56 } 57 58 /** 59 * Determines whether or not the specified encoding is supported. 60 * 61 * @param name encoding name 62 * @result {@code true} if the encoding is accepted, {@code false} 63 * otherwise 64 */ isAccepted(final String name)65 boolean isAccepted(final String name) { 66 for (String str : encodings) { 67 if (str.equalsIgnoreCase(name)) { 68 return true; 69 } 70 } 71 return false; 72 } 73 74 } 75