| Clover coverage report - Code Coverage for tapestry release 4.0.3 |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| ComponentTreeWalker.java | 100% | 100% | 100% | 100% |
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| 1 | // Copyright 2004, 2005 The Apache Software Foundation | |
| 2 | // | |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
| 4 | // you may not use this file except in compliance with the License. | |
| 5 | // You may obtain a copy of the License at | |
| 6 | // | |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 | // | |
| 9 | // Unless required by applicable law or agreed to in writing, software | |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 12 | // See the License for the specific language governing permissions and | |
| 13 | // limitations under the License. | |
| 14 | ||
| 15 | package org.apache.tapestry.pageload; | |
| 16 | ||
| 17 | import java.util.Collection; | |
| 18 | import java.util.Iterator; | |
| 19 | ||
| 20 | import org.apache.tapestry.IComponent; | |
| 21 | import org.apache.tapestry.Tapestry; | |
| 22 | ||
| 23 | /** | |
| 24 | * Walks through the tree of components and invokes the visitors on each of | |
| 25 | * of the components in the tree. | |
| 26 | * | |
| 27 | * @author mindbridge | |
| 28 | * @since 3.0 | |
| 29 | */ | |
| 30 | public class ComponentTreeWalker | |
| 31 | { | |
| 32 | private IComponentVisitor[] _visitors; | |
| 33 | ||
| 34 | 234 | public ComponentTreeWalker(IComponentVisitor[] visitors) |
| 35 | { | |
| 36 | 234 | _visitors = visitors; |
| 37 | } | |
| 38 | ||
| 39 | 5862 | public void walkComponentTree(IComponent component) |
| 40 | { | |
| 41 | // Invoke visitors | |
| 42 | 5862 | for (int i = 0; i < _visitors.length; i++) |
| 43 | { | |
| 44 | 5862 | IComponentVisitor visitor = _visitors[i]; |
| 45 | 5862 | visitor.visitComponent(component); |
| 46 | } | |
| 47 | ||
| 48 | // Recurse into the embedded components | |
| 49 | 5862 | Collection components = component.getComponents().values(); |
| 50 | ||
| 51 | 5862 | if (Tapestry.size(components) == 0) |
| 52 | 4800 | return; |
| 53 | ||
| 54 | 1062 | for (Iterator it = components.iterator(); it.hasNext();) |
| 55 | { | |
| 56 | 5184 | IComponent embedded = (IComponent) it.next(); |
| 57 | 5184 | walkComponentTree(embedded); |
| 58 | } | |
| 59 | } | |
| 60 | } |
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