2 * Copyright 2001-2006 Internet2
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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8 * http://www.apache.org/licenses/LICENSE-2.0
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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18 * @file AbstractXMLObjectMarshaller.h
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20 * A thread-safe abstract marshaller.
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23 #if !defined(__xmltooling_xmlmarshaller_h__)
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24 #define __xmltooling_xmlmarshaller_h__
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26 #include <xmltooling/io/Marshaller.h>
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28 namespace xmltooling {
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31 * A thread-safe abstract marshaller.
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33 class XMLTOOL_API AbstractXMLObjectMarshaller : public virtual Marshaller
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36 virtual ~AbstractXMLObjectMarshaller() {}
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39 * @see Marshaller::marshall(XMLObject*,DOMDocument*)
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41 DOMElement* marshall(XMLObject* xmlObject, DOMDocument* document=NULL) const;
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44 * @see Marshaller::marshall(XMLObject*,DOMElement*)
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46 DOMElement* marshall(XMLObject* xmlObject, DOMElement* parentElement) const;
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53 * @param targetNamespaceURI the namespace URI of either the schema type QName or element QName of the elements this
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54 * marshaller operates on
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55 * @param targetLocalName the local name of either the schema type QName or element QName of the elements this
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56 * marshaller operates on
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58 AbstractXMLObjectMarshaller(const XMLCh* targetNamespaceURI, const XMLCh* targetLocalName);
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61 * Sets the given element as the Document Element of the given Document.
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62 * If the document already has a Document Element it is replaced by the given element.
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64 * @param document the document
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65 * @param element the Element that will serve as the Document Element
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67 void setDocumentElement(DOMDocument* document, DOMElement* element) const {
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68 DOMElement* documentRoot = document->getDocumentElement();
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70 document->replaceChild(documentRoot, element);
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72 document->appendChild(element);
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76 * Marshalls the given XMLObject into the given DOM Element.
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77 * The DOM Element must be within a DOM tree rooted in the owning Document.
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79 * @param xmlObject the XMLObject to marshall
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80 * @param targetElement the Element into which the XMLObject is marshalled into
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81 * @throws MarshallingException thrown if there is a problem marshalling the object
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83 void marshallInto(XMLObject* xmlObject, DOMElement* targetElement) const;
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86 * Creates an xsi:type attribute, corresponding to the given type of the XMLObject, on the DOM element.
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88 * @param xmlObject the XMLObject
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89 * @param domElement the DOM element
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91 * @throws MarshallingException thrown if the type on the XMLObject is doesn't contain
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92 * a local name, prefix, and namespace URI
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94 void marshallElementType(XMLObject* xmlObject, DOMElement* domElement) const;
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97 * Creates the xmlns attributes for any namespaces set on the given XMLObject.
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99 * @param xmlObject the XMLObject
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100 * @param domElement the DOM element the namespaces will be added to
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102 void marshallNamespaces(const XMLObject* xmlObject, DOMElement* domElement) const;
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105 * Marshalls the child elements of the given XMLObject.
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107 * @param xmlObject the XMLObject whose children will be marshalled
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108 * @param domElement the DOM element that will recieved the marshalled children
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110 * @throws MarshallingException thrown if there is a problem marshalling a child element
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112 void marshallChildElements(const XMLObject* xmlObject, DOMElement* domElement) const;
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115 * Marshalls the attributes from the given XMLObject into the given DOM element.
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116 * The XMLObject passed to this method is guaranteed to be of the target name
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117 * specified during this marshaller's construction.
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119 * @param xmlObject the XMLObject being marshalled
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120 * @param domElement the DOM Element into which attributes will be marshalled
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122 * @throws UnmarshallingException thrown if there is a problem unmarshalling an attribute
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124 virtual void marshallAttributes(const XMLObject* xmlObject, DOMElement* domElement) const=0;
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127 * Marshalls data from the XMLObject into content of the DOM Element.
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129 * @param xmlObject the XMLObject
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130 * @param domElement the DOM element recieving the content
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132 virtual void marshallElementContent(const XMLObject* xmlObject, DOMElement* domElement) const=0;
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136 QName m_targetQName;
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141 #endif /* __xmltooling_xmlmarshaller_h__ */
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