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/*
* The MIT License
* Copyright (c) 2012 Microsoft Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package microsoft.exchange.webservices.data.property.complex;
import microsoft.exchange.webservices.data.ISelfValidate;
import microsoft.exchange.webservices.data.attribute.EditorBrowsable;
import microsoft.exchange.webservices.data.core.EwsServiceXmlReader;
import microsoft.exchange.webservices.data.core.EwsServiceXmlWriter;
import microsoft.exchange.webservices.data.core.enumeration.attribute.EditorBrowsableState;
import microsoft.exchange.webservices.data.core.enumeration.misc.XmlNamespace;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceValidationException;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceXmlSerializationException;
import microsoft.exchange.webservices.data.security.XmlNodeType;
import java.util.ArrayList;
import java.util.List;
/**
* Represents a property that can be sent to or retrieved from EWS.
*/
@EditorBrowsable(state = EditorBrowsableState.Never)
public abstract class ComplexProperty implements ISelfValidate, ComplexFunctionDelegate {
/**
* The xml namespace.
*/
private XmlNamespace xmlNamespace = XmlNamespace.Types;
/**
* Initializes a new instance.
*/
protected ComplexProperty() {
}
/**
* Gets the namespace.
*
* @return the namespace.
*/
public XmlNamespace getNamespace() {
return xmlNamespace;
}
/**
* Sets the namespace.
*
* @param xmlNamespace the namespace.
*/
public void setNamespace(XmlNamespace xmlNamespace) {
this.xmlNamespace = xmlNamespace;
}
/**
* Instance was changed.
*/
public void changed() {
if (!onChangeList.isEmpty()) {
for (IComplexPropertyChangedDelegate change : onChangeList) {
change.complexPropertyChanged(this);
}
}
}
/**
* Sets value of field.
*
* @param Field type.
* @param field The field.
* @param value The value.
* @return true, if successful
*/
public boolean canSetFieldValue(T field, T value) {
boolean applyChange;
if (field == null) {
applyChange = value != null;
} else {
if (field instanceof Comparable) {
Comparable c = (Comparable) field;
applyChange = value != null && c.compareTo(value) != 0;
} else {
applyChange = true;
}
}
return applyChange;
}
/**
* Clears the change log.
*/
public void clearChangeLog() {
}
/**
* Reads the attribute from XML.
*
* @param reader The reader.
* @throws Exception the exception
*/
public void readAttributesFromXml(EwsServiceXmlReader reader)
throws Exception {
}
/**
* Reads the text value from XML.
*
* @param reader The reader.
* @throws Exception the exception
*/
public void readTextValueFromXml(EwsServiceXmlReader reader)
throws Exception {
}
/**
* Tries to read element from XML.
*
* @param reader The reader.
* @return True if element was read.
* @throws Exception the exception
*/
public boolean tryReadElementFromXml(EwsServiceXmlReader reader)
throws Exception {
return false;
}
/**
* Tries to read element from XML to patch this property.
*
* @param reader The reader.
* True if element was read.
*/
public boolean tryReadElementFromXmlToPatch(EwsServiceXmlReader reader) throws Exception {
return false;
}
/**
* Writes the attribute to XML.
*
* @param writer The writer.
* @throws ServiceXmlSerializationException the service xml serialization exception
*/
public void writeAttributesToXml(EwsServiceXmlWriter writer)
throws ServiceXmlSerializationException {
}
/**
* Writes elements to XML.
*
* @param writer The writer.
* @throws Exception the exception
*/
public void writeElementsToXml(EwsServiceXmlWriter writer)
throws Exception {
}
/**
* Loads from XML.
*
* @param reader The reader.
* @param xmlNamespace the xml namespace
* @param xmlElementName Name of the XML element.
* @throws Exception the exception
*/
public void loadFromXml(EwsServiceXmlReader reader, XmlNamespace xmlNamespace, String xmlElementName) throws Exception {
/*reader.ensureCurrentNodeIsStartElement(xmlNamespace, xmlElementName);
this.readAttributesFromXml(reader);
if (!reader.isEmptyElement()) {
do {
reader.read();
switch (reader.getNodeType().nodeType) {
case XmlNodeType.START_ELEMENT:
if (!this.tryReadElementFromXml(reader)) {
reader.skipCurrentElement();
}
break;
case XmlNodeType.CHARACTERS:
this.readTextValueFromXml(reader);
break;
}
} while (!reader.isEndElement(xmlNamespace, xmlElementName));
} else {
// Adding this code to skip the END_ELEMENT of an Empty Element.
reader.read();
reader.isEndElement(xmlNamespace, xmlElementName);
} */
this.internalLoadFromXml(reader, xmlNamespace, xmlElementName);
}
/**
* Loads from XML to update this property.
*
* @param reader The reader.
* @param xmlElementName Name of the XML element.
* @throws Exception
*/
public void updateFromXml(EwsServiceXmlReader reader, String xmlElementName) throws Exception {
this.updateFromXml(reader, this.getNamespace(), xmlElementName);
}
/**
* Loads from XML to update itself.
*
* @param reader The reader.
* @param xmlNamespace The XML namespace.
* @param xmlElementName Name of the XML element.
*/
public void updateFromXml(
EwsServiceXmlReader reader,
XmlNamespace xmlNamespace,
String xmlElementName) throws Exception {
this.internalupdateLoadFromXml(reader, xmlNamespace, xmlElementName);
}
/**
* Loads from XML
*
* @param reader The Reader.
* @param xmlNamespace The Xml NameSpace.
* @param xmlElementName The Xml ElementName
*/
private void internalLoadFromXml(
EwsServiceXmlReader reader,
XmlNamespace xmlNamespace,
String xmlElementName) throws Exception {
reader.ensureCurrentNodeIsStartElement(xmlNamespace, xmlElementName);
this.readAttributesFromXml(reader);
if (!reader.isEmptyElement()) {
do {
reader.read();
switch (reader.getNodeType().nodeType) {
case XmlNodeType.START_ELEMENT:
if (!this.tryReadElementFromXml(reader)) {
reader.skipCurrentElement();
}
break;
case XmlNodeType.CHARACTERS:
this.readTextValueFromXml(reader);
break;
}
} while (!reader.isEndElement(xmlNamespace, xmlElementName));
} else {
// Adding this code to skip the END_ELEMENT of an Empty Element.
reader.read();
reader.isEndElement(xmlNamespace, xmlElementName);
}
}
private void internalupdateLoadFromXml(
EwsServiceXmlReader reader,
XmlNamespace xmlNamespace,
String xmlElementName) throws Exception {
reader.ensureCurrentNodeIsStartElement(xmlNamespace, xmlElementName);
this.readAttributesFromXml(reader);
if (!reader.isEmptyElement()) {
do {
reader.read();
switch (reader.getNodeType().nodeType) {
case XmlNodeType.START_ELEMENT:
if (!this.tryReadElementFromXmlToPatch(reader)) {
reader.skipCurrentElement();
}
break;
case XmlNodeType.CHARACTERS:
this.readTextValueFromXml(reader);
break;
}
} while (!reader.isEndElement(xmlNamespace, xmlElementName));
}
}
/**
* Loads from XML.
*
* @param reader The reader.
* @param xmlElementName Name of the XML element.
* @throws Exception the exception
*/
public void loadFromXml(EwsServiceXmlReader reader, String xmlElementName)
throws Exception {
this.loadFromXml(reader, this.getNamespace(), xmlElementName);
}
/**
* Writes to XML.
*
* @param writer The writer.
* @param xmlNamespace The XML namespace.
* @param xmlElementName Name of the XML element.
* @throws Exception the exception
*/
public void writeToXml(EwsServiceXmlWriter writer, XmlNamespace xmlNamespace, String xmlElementName) throws Exception {
writer.writeStartElement(xmlNamespace, xmlElementName);
this.writeAttributesToXml(writer);
this.writeElementsToXml(writer);
writer.writeEndElement();
}
/**
* Writes to XML.
*
* @param writer The writer.
* @param xmlElementName Name of the XML element.
* @throws Exception the exception
*/
public void writeToXml(EwsServiceXmlWriter writer, String xmlElementName)
throws Exception {
this.writeToXml(writer, this.getNamespace(), xmlElementName);
}
/**
* Change events occur when property changed.
*/
private List onChangeList =
new ArrayList();
/**
* Set event to happen when property changed.
*
* @param change change event
*/
public void addOnChangeEvent(IComplexPropertyChangedDelegate change) {
onChangeList.add(change);
}
/**
* Remove the event from happening when property changed.
*
* @param change change event
*/
public void removeChangeEvent(IComplexPropertyChangedDelegate change) {
onChangeList.remove(change);
}
/**
* Clears change events list.
*/
protected void clearChangeEvents() {
onChangeList.clear();
}
/**
* Implements ISelfValidate.validate. Validates this instance.
*
* @throws Exception the exception
*/
public void validate() throws Exception {
this.internalValidate();
}
/**
* Validates this instance.
*
* @throws Exception the exception
*/
protected void internalValidate() throws Exception {
}
public Boolean func(EwsServiceXmlReader reader) throws Exception {
return !this.tryReadElementFromXml(reader);
}
}
