00001 /* -*- C++ -*- */ 00002 00003 /* 00004 * The Apache Software License, Version 1.1 00005 * 00006 * 00007 * Copyright (c) 2002 The Apache Software Foundation. All rights 00008 * reserved. 00009 * 00010 * Redistribution and use in source and binary forms, with or without 00011 * modification, are permitted provided that the following conditions 00012 * are met: 00013 * 00014 * 1. Redistributions of source code must retain the above copyright 00015 * notice, this list of conditions and the following disclaimer. 00016 * 00017 * 2. Redistributions in binary form must reproduce the above copyright 00018 * notice, this list of conditions and the following disclaimer in 00019 * the documentation and/or other materials provided with the 00020 * distribution. 00021 * 00022 * 3. The end-user documentation included with the redistribution, 00023 * if any, must include the following acknowledgment: 00024 * "This product includes software developed by the 00025 * Apache Software Foundation (http://www.apache.org/)." 00026 * Alternately, this acknowledgment may appear in the software itself, 00027 * if and wherever such third-party acknowledgments normally appear. 00028 * 00029 * 4. The names "SOAP" and "Apache Software Foundation" must 00030 * not be used to endorse or promote products derived from this 00031 * software without prior written permission. For written 00032 * permission, please contact apache@apache.org. 00033 * 00034 * 5. Products derived from this software may not be called "Apache", 00035 * nor may "Apache" appear in their name, without prior written 00036 * permission of the Apache Software Foundation. 00037 * 00038 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00039 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00040 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00041 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00042 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00043 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00044 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00045 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00046 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00047 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00048 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00049 * SUCH DAMAGE. 00050 * ==================================================================== 00051 * 00052 * This software consists of voluntary contributions made by many 00053 * individuals on behalf of the Apache Software Foundation. For more 00054 * information on the Apache Software Foundation, please see 00055 * <http://www.apache.org/>. 00056 */ 00057 00058 /* 00059 * 00060 * 00061 * @author Lilantha Darshana (lilantha@erunway.com) 00062 * 00063 */ 00064 #include "Platform.hpp" 00065 #include <iostream> 00066 #include <cstdio> 00067 #include "XMLDeSerializer.hpp" 00068 00069 #include <xercesc/util/PlatformUtils.hpp> 00070 #include <xercesc/util/XMLUniDefs.hpp> 00071 #include <xercesc/util/XMLException.hpp> 00072 #include <xercesc/util/TranscodingException.hpp> 00073 #include <xercesc/dom/DOM_DOMException.hpp> 00074 #include <xercesc/parsers/DOMParser.hpp> 00075 #include <xercesc/framework/MemBufInputSource.hpp> 00076 #include "TypeMappingRegistry.hpp" 00077 00078 00079 XMLDeSerializer::XMLDeSerializer(const std::string& p_Msg) : m_pTypeMapper(0) 00080 { 00081 try 00082 { 00083 XMLPlatformUtils::Initialize(); 00084 } 00085 catch (const XMLException& ) 00086 { 00087 //TODO: need to handle exception 00088 } 00089 00090 parser = new DOMParser; 00091 parser->setValidationScheme(DOMParser::Val_Auto); 00092 parser->setDoNamespaces(true); 00093 parser->setDoSchema(false); 00094 parser->setValidationSchemaFullChecking(false); 00095 errReporter = new ParseErrorHandler(); 00096 parser->setErrorHandler(errReporter); 00097 parser->setCreateEntityReferenceNodes(false); 00098 parser->setToCreateXMLDeclTypeNode(true); 00099 00100 MemBufInputSource* memBufIS = new MemBufInputSource ((const XMLByte*) p_Msg.c_str(), 00101 p_Msg.size(), "msg", false); 00102 bool errorsOccured = false; 00103 try 00104 { 00105 parser->parse(*memBufIS); 00106 int errorCount = parser->getErrorCount(); 00107 if (errorCount > 0) 00108 { 00109 errorsOccured = true; 00110 m_pCurNode = NULL; 00111 } 00112 } 00113 catch (const XMLException& e) 00114 { 00115 //TODO: need to handle exception 00116 std::cerr << "An error occured during parsing\n Message: " 00117 << DOMString(e.getMessage()).transcode() << std::endl; 00118 errorsOccured = true; 00119 } 00120 catch (const DOM_DOMException& e) 00121 { 00122 //TODO: need to handle exception 00123 std::cerr << "A DOM error occured during parsing\n DOMException code: " 00124 << e.code << std::endl; 00125 errorsOccured = true; 00126 } 00127 catch (...) 00128 { 00129 //TODO: need to handle exception 00130 std::cerr << "An error occured during parsing\n " << std::endl; 00131 errorsOccured = true; 00132 } 00133 00134 00135 if(!errorsOccured) 00136 { 00137 m_pCurNode = parser->getDocument(); 00138 } 00139 else 00140 m_pCurNode = NULL; 00141 } 00142 00143 00144 XMLDeSerializer::~XMLDeSerializer() 00145 { 00146 // call the termination method 00147 XMLPlatformUtils::Terminate(); 00148 } 00149 00150 00151 void XMLDeSerializer::DeSerialize(MessageElement& p_Elm) 00152 { 00153 ax::QName qName = p_Elm.GetElmQName(); 00154 std::string strQName = QNameToStr(qName); 00155 DOM_NodeList list = ((DOM_Document&)m_pCurNode).getElementsByTagName(strQName.c_str()); 00156 00157 unsigned int nNodeCnt = list.getLength(); 00158 00159 for(int i=0;i<nNodeCnt;i++) 00160 { 00161 DOM_Element data = (const DOM_Element&) list.item(i); 00162 00163 DOM_Node child; 00164 for (child=data.getFirstChild(); child != 0; child= child.getNextSibling()) 00165 { 00166 if(child.getNodeType() == DOM_Node::ELEMENT_NODE) 00167 p_Elm.AddMsgElement((DOM_Element&)child); 00168 } 00169 } 00170 } 00171 00172 00173 ax::QName XMLDeSerializer::GetQNameFromStr(std::string strQName) 00174 { 00175 std::string::size_type pos = strQName.find(':'); 00176 if (pos == std::string::npos) return ax::QName(); 00177 00178 std::string nsURI = m_nsStk.GetNamespaceURI(strQName.substr(0, pos)); 00179 00180 return ax::QName(nsURI, strQName.substr(++pos)); 00181 } 00182 00183 void XMLDeSerializer::RegisterPrefixForURI(const std::string& prefix, const std::string& uri) 00184 { 00185 m_nsStk.Add(uri, prefix); 00186 } 00187 00188 std::string XMLDeSerializer::QNameToStr(ax::QName& qName) 00189 { 00190 std::string prefix = m_nsStk.GetPrefix(qName.GetNsURI()); 00191 return ((!prefix.empty())?(prefix + ":"): std::string("")) + qName.GetLocalPart(); 00192 } 00193 00194 00195 00196 void ParseErrorHandler::error(const SAXParseException& e) 00197 { 00198 //TODO: need to handle errors 00199 fprintf(stderr, "\nError at file \"%s\", line %d, char %d: %s\n", 00200 XMLString::transcode(e.getSystemId()), e.getLineNumber(), 00201 e.getColumnNumber(), XMLString::transcode(e.getMessage())); 00202 throw e; 00203 00204 }; 00205 00206 void ParseErrorHandler::fatalError(const SAXParseException& e) 00207 { 00208 //TODO: need to handle errors 00209 fprintf(stderr, "\nFatal Error at file \"%s\", line %d, char %d: %s\n", 00210 XMLString::transcode(e.getSystemId()), e.getLineNumber(), 00211 e.getColumnNumber(), XMLString::transcode(e.getMessage())); 00212 throw e; 00213 }; 00214 00215 void ParseErrorHandler::warning(const SAXParseException& e) 00216 { 00217 //TODO: need to handle errors 00218 fprintf(stderr, "\nWarning at file \"%s\", line %d, char %d: %s\n", 00219 XMLString::transcode(e.getSystemId()), e.getLineNumber(), 00220 e.getColumnNumber(), XMLString::transcode(e.getMessage())); 00221 throw e; 00222 00223 }; 00224 00225
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