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 charsets} attribute of the 21 * {@code bosh} element. 22 */ 23 final class AttrCharsets extends AbstractAttr<String> { 24 25 /** 26 * Array of the accepted character sets. 27 */ 28 private final String[] charsets; 29 30 /** 31 * Creates a new attribute object. 32 * 33 * @param val attribute getValue 34 */ 35 private AttrCharsets(final String val) { 36 super(val); 37 charsets = val.split("\\ +"); 38 } 39 40 /** 41 * Creates a new attribute instance from the provided String. 42 * 43 * @param str string representation of the attribute 44 * @return attribute instance or {@code null} if provided string is 45 * {@code null} 46 */ 47 static AttrCharsets createFromString(final String str) { 48 if (str == null) { 49 return null; 50 } else { 51 return new AttrCharsets(str); 52 } 53 } 54 55 /** 56 * Determines whether or not the specified charset is supported. 57 * 58 * @param name encoding name 59 * @result {@code true} if the encoding is accepted, {@code false} 60 * otherwise 61 */ 62 boolean isAccepted(final String name) { 63 for (String str : charsets) { 64 if (str.equalsIgnoreCase(name)) { 65 return true; 66 } 67 } 68 return false; 69 } 70 71 } 72
