2 * Copyright 2001-2010 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * AbstractXMLObject.cpp
20 * An abstract implementation of XMLObject.
24 #include "exceptions.h"
25 #include "AbstractXMLObject.h"
26 #include "util/DateTime.h"
30 using namespace xmltooling;
33 using xercesc::XMLString;
35 XMLObject::XMLObject()
39 XMLObject::~XMLObject()
43 void XMLObject::releaseThisandParentDOM() const
46 releaseParentDOM(true);
49 void XMLObject::releaseThisAndChildrenDOM() const
51 releaseChildrenDOM(true);
55 AbstractXMLObject::AbstractXMLObject(const XMLCh* nsURI, const XMLCh* localName, const XMLCh* prefix, const QName* schemaType)
56 : m_log(logging::Category::getInstance(XMLTOOLING_LOGCAT".XMLObject")),
57 m_schemaLocation(NULL), m_noNamespaceSchemaLocation(NULL), m_nil(xmlconstants::XML_BOOL_NULL),
58 m_parent(NULL), m_elementQname(nsURI, localName, prefix), m_typeQname(NULL)
60 addNamespace(Namespace(nsURI, prefix));
62 m_typeQname = new QName(*schemaType);
63 // Attach a non-visibly used namespace.
64 addNamespace(Namespace(m_typeQname->getNamespaceURI(), m_typeQname->getPrefix(), false, false));
68 AbstractXMLObject::AbstractXMLObject(const AbstractXMLObject& src)
69 : m_namespaces(src.m_namespaces), m_log(src.m_log), m_schemaLocation(XMLString::replicate(src.m_schemaLocation)),
70 m_noNamespaceSchemaLocation(XMLString::replicate(src.m_noNamespaceSchemaLocation)), m_nil(src.m_nil),
71 m_parent(NULL), m_elementQname(src.m_elementQname), m_typeQname(NULL)
74 m_typeQname=new QName(*src.m_typeQname);
77 AbstractXMLObject::~AbstractXMLObject()
80 xercesc::XMLString::release(&m_schemaLocation);
81 xercesc::XMLString::release(&m_noNamespaceSchemaLocation);
84 void AbstractXMLObject::detach()
88 else if (getParent()->hasParent())
89 throw XMLObjectException("Cannot detach an object whose parent is itself a child.");
91 // Pull ourselves out of the parent and then blast him.
92 getParent()->removeChild(this);
97 const QName& AbstractXMLObject::getElementQName() const
99 return m_elementQname;
102 const set<Namespace>& AbstractXMLObject::getNamespaces() const
107 void XMLObject::setNil(const XMLCh* value)
111 case xercesc::chLatin_t:
112 nil(xmlconstants::XML_BOOL_TRUE);
114 case xercesc::chLatin_f:
115 nil(xmlconstants::XML_BOOL_FALSE);
117 case xercesc::chDigit_1:
118 nil(xmlconstants::XML_BOOL_ONE);
120 case xercesc::chDigit_0:
121 nil(xmlconstants::XML_BOOL_ZERO);
124 nil(xmlconstants::XML_BOOL_NULL);
128 nil(xmlconstants::XML_BOOL_NULL);
132 void AbstractXMLObject::addNamespace(const Namespace& ns) const
134 std::set<Namespace>::iterator i = m_namespaces.find(ns);
135 if (i == m_namespaces.end())
136 m_namespaces.insert(ns);
138 if (ns.alwaysDeclare())
139 const_cast<Namespace&>(*i).setAlwaysDeclare(true);
140 if (ns.visiblyUsed())
141 const_cast<Namespace&>(*i).setVisiblyUsed(true);
145 void AbstractXMLObject::removeNamespace(const Namespace& ns)
147 m_namespaces.erase(ns);
150 const QName* AbstractXMLObject::getSchemaType() const
155 const XMLCh* AbstractXMLObject::getXMLID() const
160 xmlconstants::xmltooling_bool_t AbstractXMLObject::getNil() const
165 void AbstractXMLObject::nil(xmlconstants::xmltooling_bool_t value)
167 if (m_nil != value) {
168 releaseThisandParentDOM();
173 bool AbstractXMLObject::hasParent() const
175 return m_parent != NULL;
178 XMLObject* AbstractXMLObject::getParent() const
183 void AbstractXMLObject::setParent(XMLObject* parent)
188 XMLCh* AbstractXMLObject::prepareForAssignment(XMLCh* oldValue, const XMLCh* newValue)
190 if (!XMLString::equals(oldValue,newValue)) {
191 releaseThisandParentDOM();
192 XMLCh* newString = XMLString::replicate(newValue);
193 XMLString::release(&oldValue);
199 QName* AbstractXMLObject::prepareForAssignment(QName* oldValue, const QName* newValue)
203 releaseThisandParentDOM();
204 // Attach a non-visibly used namespace.
205 addNamespace(Namespace(newValue->getNamespaceURI(), newValue->getPrefix(), false, false));
206 return new QName(*newValue);
212 releaseThisandParentDOM();
214 // Attach a non-visibly used namespace.
215 addNamespace(Namespace(newValue->getNamespaceURI(), newValue->getPrefix(), false, false));
216 return new QName(*newValue);
221 DateTime* AbstractXMLObject::prepareForAssignment(DateTime* oldValue, const DateTime* newValue)
225 releaseThisandParentDOM();
226 return new DateTime(*newValue);
232 releaseThisandParentDOM();
233 return newValue ? new DateTime(*newValue) : NULL;
236 DateTime* AbstractXMLObject::prepareForAssignment(DateTime* oldValue, time_t newValue, bool duration)
239 releaseThisandParentDOM();
240 DateTime* ret = new DateTime(newValue, duration);
242 ret->parseDuration();
244 ret->parseDateTime();
248 DateTime* AbstractXMLObject::prepareForAssignment(DateTime* oldValue, const XMLCh* newValue, bool duration)
251 releaseThisandParentDOM();
252 if (!newValue || !*newValue)
254 DateTime* ret = new DateTime(newValue);
256 ret->parseDuration();
258 ret->parseDateTime();
262 XMLObject* AbstractXMLObject::prepareForAssignment(XMLObject* oldValue, XMLObject* newValue)
264 if (newValue && newValue->hasParent())
265 throw XMLObjectException("child XMLObject cannot be added - it is already the child of another XMLObject");
269 releaseThisandParentDOM();
270 newValue->setParent(this);
275 if (oldValue != newValue) {
277 releaseThisandParentDOM();
279 newValue->setParent(this);