Clover coverage report - dom4j - 1.5
Coverage timestamp: vr sep 3 2004 20:47:03 GMT+01:00
file stats: LOC: 151   Methods: 4
NCLOC: 53   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
SAXModifyElementHandler.java 0% 0% 0% 0%
coverage
 1    /*
 2    * Copyright 2001-2004 (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    * $Id: SAXModifyElementHandler.java,v 1.1 2004/08/02 18:44:07 maartenc Exp $
 8    */
 9   
 10    package org.dom4j.io;
 11   
 12    import org.dom4j.Element;
 13    import org.dom4j.ElementHandler;
 14    import org.dom4j.ElementPath;
 15   
 16    /**
 17    * This {@link org.dom4j.ElementHandler} is used to trigger {@link ElementModifier) objects
 18    * in order to modify (parts of) the Document on the fly.<br>
 19    * When an element is completely parsed,
 20    * a copy is handed to the associated (if any) {@link ElementModifier) that on his turn returns
 21    * the modified element that has to come in the tree.
 22    *
 23    * @author Wonne Keysers (Realsoftware.be)
 24    */
 25    class SAXModifyElementHandler implements ElementHandler {
 26   
 27    private ElementModifier elemModifier;
 28    private Element modifiedElement;
 29   
 30  0 public SAXModifyElementHandler(ElementModifier elemModifier) {
 31  0 this.elemModifier = elemModifier;
 32    }
 33   
 34  0 public void onStart(ElementPath elementPath) {
 35  0 this.modifiedElement = elementPath.getCurrent();
 36    }
 37   
 38  0 public void onEnd(ElementPath elementPath) {
 39  0 try {
 40  0 Element originalElement = elementPath.getCurrent();
 41  0 Element currentParent = originalElement.getParent();
 42   
 43  0 if( currentParent != null){
 44    //Clone sets parent + document to null
 45  0 Element clonedElem = (Element) originalElement.clone();
 46   
 47    //Ask for modified element
 48  0 modifiedElement = elemModifier.modifyElement(clonedElem);
 49   
 50  0 if( modifiedElement != null ){
 51    //Restore parent + document
 52  0 modifiedElement.setParent(originalElement.getParent());
 53  0 modifiedElement.setDocument(originalElement.getDocument());
 54   
 55    //Replace old with new element in parent
 56  0 int contentIndex = currentParent.indexOf(originalElement);
 57  0 currentParent.content().set(contentIndex, modifiedElement);
 58    }
 59   
 60    //Remove the old element
 61  0 originalElement.detach();
 62    }
 63    else{
 64  0 if( originalElement.isRootElement() ){
 65    //Clone sets parent + document to null
 66  0 Element clonedElem = (Element) originalElement.clone();
 67   
 68    //Ask for modified element
 69  0 modifiedElement = elemModifier.modifyElement(clonedElem);
 70   
 71  0 if( modifiedElement != null ){
 72    //Restore parent + document
 73  0 modifiedElement.setDocument(originalElement.getDocument());
 74   
 75    //Replace old with new element in parent
 76  0 originalElement.getDocument().setRootElement(modifiedElement);
 77    }
 78   
 79    //Remove the old element
 80  0 originalElement.detach();
 81    }
 82    }
 83   
 84    //Put the new element on the ElementStack, it might get pruned by the PruningDispatchHandler
 85  0 if( elementPath instanceof ElementStack ){
 86  0 ElementStack elementStack = ((ElementStack)elementPath);
 87  0 elementStack.popElement();
 88  0 elementStack.pushElement(modifiedElement);
 89    }
 90    }
 91    catch (Exception ex) {
 92  0 throw new SAXModifyException(ex);
 93    }
 94    }
 95   
 96    /**
 97    * @return Returns the modified Element.
 98    */
 99  0 protected Element getModifiedElement() {
 100  0 return modifiedElement;
 101    }
 102   
 103    }
 104   
 105   
 106   
 107   
 108    /*
 109    * Redistribution and use of this software and associated documentation
 110    * ("Software"), with or without modification, are permitted provided
 111    * that the following conditions are met:
 112    *
 113    * 1. Redistributions of source code must retain copyright
 114    * statements and notices. Redistributions must also contain a
 115    * copy of this document.
 116    *
 117    * 2. Redistributions in binary form must reproduce the
 118    * above copyright notice, this list of conditions and the
 119    * following disclaimer in the documentation and/or other
 120    * materials provided with the distribution.
 121    *
 122    * 3. The name "DOM4J" must not be used to endorse or promote
 123    * products derived from this Software without prior written
 124    * permission of MetaStuff, Ltd. For written permission,
 125    * please contact dom4j-info@metastuff.com.
 126    *
 127    * 4. Products derived from this Software may not be called "DOM4J"
 128    * nor may "DOM4J" appear in their names without prior written
 129    * permission of MetaStuff, Ltd. DOM4J is a registered
 130    * trademark of MetaStuff, Ltd.
 131    *
 132    * 5. Due credit should be given to the DOM4J Project -
 133    * http://www.dom4j.org
 134    *
 135    * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
 136    * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
 137    * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 138    * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 139    * METASTUFF, LTD. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 140    * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 141    * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 142    * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 143    * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 144    * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 145    * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 146    * OF THE POSSIBILITY OF SUCH DAMAGE.
 147    *
 148    * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
 149    *
 150    * $Id: SAXModifyElementHandler.java,v 1.1 2004/08/02 18:44:07 maartenc Exp $
 151    */