| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| CompositeTagLibrary |
|
| 3.5;3.5 |
| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 3 | * or more contributor license agreements. See the NOTICE file | |
| 4 | * distributed with this work for additional information | |
| 5 | * regarding copyright ownership. The ASF licenses this file | |
| 6 | * to you under the Apache License, Version 2.0 (the | |
| 7 | * "License"); you may not use this file except in compliance | |
| 8 | * with the License. You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, | |
| 13 | * software distributed under the License is distributed on an | |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 15 | * KIND, either express or implied. See the License for the | |
| 16 | * specific language governing permissions and limitations | |
| 17 | * under the License. | |
| 18 | */ | |
| 19 | package org.apache.myfaces.view.facelets.tag; | |
| 20 | ||
| 21 | import java.lang.reflect.Method; | |
| 22 | ||
| 23 | import javax.faces.FacesException; | |
| 24 | import javax.faces.view.facelets.TagConfig; | |
| 25 | import javax.faces.view.facelets.TagHandler; | |
| 26 | ||
| 27 | import org.apache.myfaces.view.facelets.util.ParameterCheck; | |
| 28 | ||
| 29 | /** | |
| 30 | * A TagLibrary that is composed of 1 or more TagLibrary children. Uses the chain of responsibility pattern to stop | |
| 31 | * searching as soon as one of the children handles the requested method. | |
| 32 | * | |
| 33 | * @author Jacob Hookom | |
| 34 | * @version $Id$ | |
| 35 | */ | |
| 36 | public final class CompositeTagLibrary implements TagLibrary | |
| 37 | { | |
| 38 | ||
| 39 | private final TagLibrary[] libraries; | |
| 40 | ||
| 41 | public CompositeTagLibrary(TagLibrary[] libraries) | |
| 42 | 0 | { |
| 43 | 0 | ParameterCheck.notNull("libraries", libraries); |
| 44 | 0 | this.libraries = libraries; |
| 45 | 0 | } |
| 46 | ||
| 47 | /* | |
| 48 | * (non-Javadoc) | |
| 49 | * | |
| 50 | * @see org.apache.myfaces.view.facelets.tag.TagLibrary#containsNamespace(java.lang.String) | |
| 51 | */ | |
| 52 | public boolean containsNamespace(String ns) | |
| 53 | { | |
| 54 | 0 | for (int i = 0; i < this.libraries.length; i++) |
| 55 | { | |
| 56 | 0 | if (this.libraries[i].containsNamespace(ns)) |
| 57 | { | |
| 58 | 0 | return true; |
| 59 | } | |
| 60 | } | |
| 61 | 0 | return false; |
| 62 | } | |
| 63 | ||
| 64 | /* | |
| 65 | * (non-Javadoc) | |
| 66 | * | |
| 67 | * @see org.apache.myfaces.view.facelets.tag.TagLibrary#containsTagHandler(java.lang.String, java.lang.String) | |
| 68 | */ | |
| 69 | public boolean containsTagHandler(String ns, String localName) | |
| 70 | { | |
| 71 | 0 | for (int i = 0; i < this.libraries.length; i++) |
| 72 | { | |
| 73 | 0 | if (this.libraries[i].containsTagHandler(ns, localName)) |
| 74 | { | |
| 75 | 0 | return true; |
| 76 | } | |
| 77 | } | |
| 78 | 0 | return false; |
| 79 | } | |
| 80 | ||
| 81 | /* | |
| 82 | * (non-Javadoc) | |
| 83 | * | |
| 84 | * @see org.apache.myfaces.view.facelets.tag.TagLibrary#createTagHandler(java.lang.String, java.lang.String, | |
| 85 | * org.apache.myfaces.view.facelets.tag.TagConfig) | |
| 86 | */ | |
| 87 | public TagHandler createTagHandler(String ns, String localName, TagConfig tag) throws FacesException | |
| 88 | { | |
| 89 | 0 | for (int i = 0; i < this.libraries.length; i++) |
| 90 | { | |
| 91 | 0 | if (this.libraries[i].containsTagHandler(ns, localName)) |
| 92 | { | |
| 93 | 0 | return this.libraries[i].createTagHandler(ns, localName, tag); |
| 94 | } | |
| 95 | } | |
| 96 | 0 | return null; |
| 97 | } | |
| 98 | ||
| 99 | /* | |
| 100 | * (non-Javadoc) | |
| 101 | * | |
| 102 | * @see org.apache.myfaces.view.facelets.tag.TagLibrary#containsFunction(java.lang.String, java.lang.String) | |
| 103 | */ | |
| 104 | public boolean containsFunction(String ns, String name) | |
| 105 | { | |
| 106 | 0 | for (int i = 0; i < this.libraries.length; i++) |
| 107 | { | |
| 108 | 0 | if (this.libraries[i].containsFunction(ns, name)) |
| 109 | { | |
| 110 | 0 | return true; |
| 111 | } | |
| 112 | } | |
| 113 | 0 | return false; |
| 114 | } | |
| 115 | ||
| 116 | /* | |
| 117 | * (non-Javadoc) | |
| 118 | * | |
| 119 | * @see org.apache.myfaces.view.facelets.tag.TagLibrary#createFunction(java.lang.String, java.lang.String) | |
| 120 | */ | |
| 121 | public Method createFunction(String ns, String name) | |
| 122 | { | |
| 123 | 0 | for (int i = 0; i < this.libraries.length; i++) |
| 124 | { | |
| 125 | 0 | if (this.libraries[i].containsFunction(ns, name)) |
| 126 | { | |
| 127 | 0 | return this.libraries[i].createFunction(ns, name); |
| 128 | } | |
| 129 | } | |
| 130 | 0 | return null; |
| 131 | } | |
| 132 | } |