| Clover coverage report - dom4j - 1.6.1 |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| SAXModifyElementHandler.java | 0% | 0% | 0% | 0% |
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| 1 | /* | |
| 2 | * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved. | |
| 3 | * | |
| 4 | * This software is open source. | |
| 5 | * See the bottom of this file for the licence. | |
| 6 | */ | |
| 7 | ||
| 8 | package org.dom4j.io; | |
| 9 | ||
| 10 | import org.dom4j.Document; | |
| 11 | import org.dom4j.Element; | |
| 12 | import org.dom4j.ElementHandler; | |
| 13 | import org.dom4j.ElementPath; | |
| 14 | ||
| 15 | /** | |
| 16 | * This {@link org.dom4j.ElementHandler}is used to trigger {@link | |
| 17 | * ElementModifier} objects in order to modify (parts of) the Document on the | |
| 18 | * fly. | |
| 19 | * | |
| 20 | * <p> | |
| 21 | * When an element is completely parsed, a copy is handed to the associated (if | |
| 22 | * any) {@link ElementModifier}that on his turn returns the modified element | |
| 23 | * that has to come in the tree. | |
| 24 | * </p> | |
| 25 | * | |
| 26 | * @author Wonne Keysers (Realsoftware.be) | |
| 27 | */ | |
| 28 | class SAXModifyElementHandler implements ElementHandler { | |
| 29 | private ElementModifier elemModifier; | |
| 30 | ||
| 31 | private Element modifiedElement; | |
| 32 | ||
| 33 | 0 | public SAXModifyElementHandler(ElementModifier elemModifier) { |
| 34 | 0 | this.elemModifier = elemModifier; |
| 35 | } | |
| 36 | ||
| 37 | 0 | public void onStart(ElementPath elementPath) { |
| 38 | 0 | this.modifiedElement = elementPath.getCurrent(); |
| 39 | } | |
| 40 | ||
| 41 | 0 | public void onEnd(ElementPath elementPath) { |
| 42 | 0 | try { |
| 43 | 0 | Element origElement = elementPath.getCurrent(); |
| 44 | 0 | Element currentParent = origElement.getParent(); |
| 45 | ||
| 46 | 0 | if (currentParent != null) { |
| 47 | // Clone sets parent + document to null | |
| 48 | 0 | Element clonedElem = (Element) origElement.clone(); |
| 49 | ||
| 50 | // Ask for modified element | |
| 51 | 0 | modifiedElement = elemModifier.modifyElement(clonedElem); |
| 52 | ||
| 53 | 0 | if (modifiedElement != null) { |
| 54 | // Restore parent + document | |
| 55 | 0 | modifiedElement.setParent(origElement.getParent()); |
| 56 | 0 | modifiedElement.setDocument(origElement.getDocument()); |
| 57 | ||
| 58 | // Replace old with new element in parent | |
| 59 | 0 | int contentIndex = currentParent.indexOf(origElement); |
| 60 | 0 | currentParent.content().set(contentIndex, modifiedElement); |
| 61 | } | |
| 62 | ||
| 63 | // Remove the old element | |
| 64 | 0 | origElement.detach(); |
| 65 | } else { | |
| 66 | 0 | if (origElement.isRootElement()) { |
| 67 | // Clone sets parent + document to null | |
| 68 | 0 | Element clonedElem = (Element) origElement.clone(); |
| 69 | ||
| 70 | // Ask for modified element | |
| 71 | 0 | modifiedElement = elemModifier.modifyElement(clonedElem); |
| 72 | ||
| 73 | 0 | if (modifiedElement != null) { |
| 74 | // Restore parent + document | |
| 75 | 0 | modifiedElement.setDocument(origElement.getDocument()); |
| 76 | ||
| 77 | // Replace old with new element in parent | |
| 78 | 0 | Document doc = origElement.getDocument(); |
| 79 | 0 | doc.setRootElement(modifiedElement); |
| 80 | } | |
| 81 | ||
| 82 | // Remove the old element | |
| 83 | 0 | origElement.detach(); |
| 84 | } | |
| 85 | } | |
| 86 | ||
| 87 | // Put the new element on the ElementStack, it might get pruned by | |
| 88 | // the PruningDispatchHandler | |
| 89 | 0 | if (elementPath instanceof ElementStack) { |
| 90 | 0 | ElementStack elementStack = ((ElementStack) elementPath); |
| 91 | 0 | elementStack.popElement(); |
| 92 | 0 | elementStack.pushElement(modifiedElement); |
| 93 | } | |
| 94 | } catch (Exception ex) { | |
| 95 | 0 | throw new SAXModifyException(ex); |
| 96 | } | |
| 97 | } | |
| 98 | ||
| 99 | /** | |
| 100 | * DOCUMENT ME! | |
| 101 | * | |
| 102 | * @return Returns the modified Element. | |
| 103 | */ | |
| 104 | 0 | protected Element getModifiedElement() { |
| 105 | 0 | return modifiedElement; |
| 106 | } | |
| 107 | } | |
| 108 | ||
| 109 | /* | |
| 110 | * Redistribution and use of this software and associated documentation | |
| 111 | * ("Software"), with or without modification, are permitted provided that the | |
| 112 | * following conditions are met: | |
| 113 | * | |
| 114 | * 1. Redistributions of source code must retain copyright statements and | |
| 115 | * notices. Redistributions must also contain a copy of this document. | |
| 116 | * | |
| 117 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 118 | * this list of conditions and the following disclaimer in the documentation | |
| 119 | * and/or other materials provided with the distribution. | |
| 120 | * | |
| 121 | * 3. The name "DOM4J" must not be used to endorse or promote products derived | |
| 122 | * from this Software without prior written permission of MetaStuff, Ltd. For | |
| 123 | * written permission, please contact dom4j-info@metastuff.com. | |
| 124 | * | |
| 125 | * 4. Products derived from this Software may not be called "DOM4J" nor may | |
| 126 | * "DOM4J" appear in their names without prior written permission of MetaStuff, | |
| 127 | * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd. | |
| 128 | * | |
| 129 | * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org | |
| 130 | * | |
| 131 | * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND | |
| 132 | * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 133 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 134 | * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE | |
| 135 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 136 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 137 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 138 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 139 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 140 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 141 | * POSSIBILITY OF SUCH DAMAGE. | |
| 142 | * | |
| 143 | * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved. | |
| 144 | */ |
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