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 /** 28 * A library of Tags associated with one or more namespaces. 29 * 30 * @author Jacob Hookom 31 * @version $Id$ 32 */ 33 public interface TagLibrary 34 { 35 36 /** 37 * If this library contains the passed namespace 38 * 39 * @param ns 40 * namespace 41 * @return true if the namespace is used in this library 42 */ 43 public boolean containsNamespace(String ns); 44 45 /** 46 * If this library contains a TagHandler for the namespace and local name 47 * 48 * @param ns 49 * namespace 50 * @param localName 51 * local name 52 * @return true if handled by this library 53 */ 54 public boolean containsTagHandler(String ns, String localName); 55 56 /** 57 * Create a new instance of a TagHandler, using the passed TagConfig 58 * 59 * @param ns 60 * namespace 61 * @param localName 62 * local name 63 * @param tag 64 * configuration information 65 * @return a new TagHandler instance 66 * @throws FacesException 67 */ 68 public TagHandler createTagHandler(String ns, String localName, TagConfig tag) throws FacesException; 69 70 /** 71 * If this library contains the specified function name 72 * 73 * @param ns 74 * namespace 75 * @param name 76 * function name 77 * @return true if handled 78 */ 79 public boolean containsFunction(String ns, String name); 80 81 /** 82 * Return a Method instance for the passed namespace and name 83 * 84 * @param ns 85 * namespace 86 * @param name 87 * function name 88 * @return 89 */ 90 public Method createFunction(String ns, String name); 91 }