1 /* 2 * Copyright (c) 2007, Fraunhofer-Gesellschaft 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * (1) Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the disclaimer at the end. 11 * Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * (2) Neither the name of Fraunhofer nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * DISCLAIMER 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 package org.ogf.graap.wsag.wsrf; 36 37 import org.apache.muse.ws.resource.impl.AbstractWsResourceCapability; 38 import org.apache.xmlbeans.XmlObject; 39 import org.ogf.graap.wsag.api.exceptions.WSAgreementException; 40 import org.w3c.dom.Document; 41 import org.w3c.dom.Element; 42 import org.w3c.dom.Node; 43 44 /** 45 * WSAG4JCapability 46 * 47 * Abstract capability that provides some convenience methods. 48 * 49 * @author Oliver Waeldrich 50 * 51 */ 52 public abstract class WSAG4JCapability extends AbstractWsResourceCapability 53 { 54 55 /** 56 * Converts a XMLBean to a DOM element. 57 * 58 * @param xmlObject 59 * the object to convert 60 * @return the converted XMLBean 61 * 62 * @throws WSAgreementException 63 * indicates a conversion error 64 */ 65 public static Element toElement( XmlObject xmlObject ) throws WSAgreementException 66 { 67 try 68 { 69 70 if ( xmlObject == null ) 71 { 72 return null; 73 } 74 75 Node element = xmlObject.getDomNode(); 76 int nodeType = element.getNodeType(); 77 78 if ( nodeType == Node.ELEMENT_NODE ) 79 { 80 return (Element) element; 81 } 82 83 if ( nodeType == Node.DOCUMENT_NODE ) 84 { 85 Document document = (Document) element; 86 return document.getDocumentElement(); 87 } 88 89 if ( nodeType == Node.DOCUMENT_FRAGMENT_NODE ) 90 { 91 String message = "Document or element expected, but found xml document fragment."; 92 throw new Exception( message ); 93 } 94 95 } 96 catch ( Exception e ) 97 { 98 String message = "Error converting XmlBean to Element. Message: "; 99 throw new WSAgreementException( message + e.getMessage() ); 100 } 101 102 String message = 103 "Error converting XmlBean to Element. Node is neither from type document nor element."; 104 throw new WSAgreementException( message ); 105 } 106 107 /** 108 * Converts an array of XMLBeans to an array of DOM elements. 109 * 110 * @param xmlObjects 111 * the objects to convert 112 * @return the element array 113 * 114 * @throws WSAgreementException 115 * indicates a conversion error 116 */ 117 public static Element[] toElementArray( XmlObject[] xmlObjects ) throws WSAgreementException 118 { 119 Element[] elements = new Element[xmlObjects.length]; 120 for ( int i = 0; i < elements.length; i++ ) 121 { 122 elements[i] = toElement( xmlObjects[i] ); 123 } 124 125 return elements; 126 } 127 }