| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| TagHandler |
|
| 1.5;1.5 |
| 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 javax.faces.view.facelets; | |
| 20 | ||
| 21 | /** | |
| 22 | * Foundation class for FaceletHandlers associated with markup in a Facelet document. | |
| 23 | */ | |
| 24 | public abstract class TagHandler implements FaceletHandler | |
| 25 | { | |
| 26 | protected final String tagId; | |
| 27 | ||
| 28 | protected final Tag tag; | |
| 29 | ||
| 30 | protected final FaceletHandler nextHandler; | |
| 31 | ||
| 32 | public TagHandler(TagConfig config) | |
| 33 | 0 | { |
| 34 | 0 | this.tagId = config.getTagId(); |
| 35 | 0 | this.tag = config.getTag(); |
| 36 | 0 | this.nextHandler = config.getNextHandler(); |
| 37 | 0 | } |
| 38 | ||
| 39 | /** | |
| 40 | * Utility method for fetching the appropriate TagAttribute | |
| 41 | * | |
| 42 | * @param localName | |
| 43 | * name of attribute | |
| 44 | * @return TagAttribute if found, otherwise null | |
| 45 | */ | |
| 46 | protected final TagAttribute getAttribute(String localName) | |
| 47 | { | |
| 48 | 0 | return this.tag.getAttributes().get(localName); |
| 49 | } | |
| 50 | ||
| 51 | /** | |
| 52 | * Utility method for fetching a required TagAttribute | |
| 53 | * | |
| 54 | * @param localName | |
| 55 | * name of the attribute | |
| 56 | * @return TagAttribute if found, otherwise error | |
| 57 | * @throws TagException | |
| 58 | * if the attribute was not found | |
| 59 | */ | |
| 60 | protected final TagAttribute getRequiredAttribute(String localName) throws TagException | |
| 61 | { | |
| 62 | 0 | TagAttribute attr = this.getAttribute(localName); |
| 63 | 0 | if (attr == null) |
| 64 | { | |
| 65 | 0 | throw new TagException(this.tag, "Attribute '" + localName + "' is required"); |
| 66 | } | |
| 67 | ||
| 68 | 0 | return attr; |
| 69 | } | |
| 70 | ||
| 71 | /** | |
| 72 | * {@inheritDoc} | |
| 73 | */ | |
| 74 | @Override | |
| 75 | public String toString() | |
| 76 | { | |
| 77 | 0 | return this.tag.toString(); |
| 78 | } | |
| 79 | } |