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Exchange Web Services (EWS) Java API
/*
* 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.core.service;
import microsoft.exchange.webservices.data.attribute.ServiceObjectDefinition;
import microsoft.exchange.webservices.data.core.EwsServiceXmlReader;
import microsoft.exchange.webservices.data.core.EwsServiceXmlWriter;
import microsoft.exchange.webservices.data.core.EwsUtilities;
import microsoft.exchange.webservices.data.core.ExchangeService;
import microsoft.exchange.webservices.data.core.PropertyBag;
import microsoft.exchange.webservices.data.core.PropertySet;
import microsoft.exchange.webservices.data.core.XmlElementNames;
import microsoft.exchange.webservices.data.core.enumeration.misc.ExchangeVersion;
import microsoft.exchange.webservices.data.core.enumeration.service.DeleteMode;
import microsoft.exchange.webservices.data.core.enumeration.service.SendCancellationsMode;
import microsoft.exchange.webservices.data.core.enumeration.service.calendar.AffectedTaskOccurrence;
import microsoft.exchange.webservices.data.core.exception.misc.InvalidOperationException;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceLocalException;
import microsoft.exchange.webservices.data.core.service.schema.ServiceObjectSchema;
import microsoft.exchange.webservices.data.misc.OutParam;
import microsoft.exchange.webservices.data.property.complex.ExtendedProperty;
import microsoft.exchange.webservices.data.property.complex.ExtendedPropertyCollection;
import microsoft.exchange.webservices.data.property.complex.IServiceObjectChangedDelegate;
import microsoft.exchange.webservices.data.property.complex.ServiceId;
import microsoft.exchange.webservices.data.property.definition.ExtendedPropertyDefinition;
import microsoft.exchange.webservices.data.property.definition.PropertyDefinition;
import microsoft.exchange.webservices.data.property.definition.PropertyDefinitionBase;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* Represents the base abstract class for all item and folder types.
*/
public abstract class ServiceObject {
/**
* The lock object.
*/
private Object lockObject = new Object();
/**
* The service.
*/
private ExchangeService service;
/**
* The property bag.
*/
private PropertyBag propertyBag;
/**
* The xml element name.
*/
private String xmlElementName;
/**
* Triggers dispatch of the change event.
*/
public void changed() {
for (IServiceObjectChangedDelegate change : this.onChange) {
change.serviceObjectChanged(this);
}
}
/**
* Throws exception if this is a new service object.
*
* @throws InvalidOperationException the invalid operation exception
* @throws ServiceLocalException the service local exception
*/
public void throwIfThisIsNew() throws InvalidOperationException,
ServiceLocalException {
if (this.isNew()) {
throw new InvalidOperationException(
"This operation can't be performed because this service object doesn't have an Id.");
}
}
/**
* Throws exception if this is not a new service object.
*
* @throws InvalidOperationException the invalid operation exception
* @throws ServiceLocalException the service local exception
*/
protected void throwIfThisIsNotNew() throws InvalidOperationException,
ServiceLocalException {
if (!this.isNew()) {
throw new InvalidOperationException(
"This operation can't be performed because this service object already has an ID. To update this service object, use the Update() method instead.");
}
}
// / This methods lets subclasses of ServiceObject override the default
// mechanism
// / by which the XML element name associated with their type is retrieved.
/**
* This methods lets subclasses of ServiceObject override the default
* mechanism by which the XML element name associated with their type is
* retrieved.
*
* @return String
*/
protected String getXmlElementNameOverride() {
return null;
}
/**
* GetXmlElementName retrieves the XmlElementName of this type based on the
* EwsObjectDefinition attribute that decorates it, if present.
*
* @return The XML element name associated with this type.
*/
public String getXmlElementName() {
if (this.isNullOrEmpty(this.xmlElementName)) {
this.xmlElementName = this.getXmlElementNameOverride();
if (this.isNullOrEmpty(this.xmlElementName)) {
synchronized (this.lockObject) {
ServiceObjectDefinition annotation = this.getClass()
.getAnnotation(ServiceObjectDefinition.class);
if (null != annotation) {
this.xmlElementName = annotation.xmlElementName();
}
}
}
}
EwsUtilities
.ewsAssert(!isNullOrEmpty(this.xmlElementName), "EwsObject.GetXmlElementName", String
.format("The class %s does not have an " + "associated XML element name.",
this.getClass().getName()));
return this.xmlElementName;
}
/**
* Gets the name of the change XML element.
*
* @return the change xml element name
*/
public String getChangeXmlElementName() {
return XmlElementNames.ItemChange;
}
/**
* Gets the name of the set field XML element.
*
* @return String
*/
public String getSetFieldXmlElementName() {
return XmlElementNames.SetItemField;
}
/**
* Gets the name of the delete field XML element.
*
* @return String
*/
public String getDeleteFieldXmlElementName() {
return XmlElementNames.DeleteItemField;
}
/**
* Gets a value indicating whether a time zone SOAP header should be emitted
* in a CreateItem or UpdateItem request so this item can be property saved
* or updated.
*
* @param isUpdateOperation the is update operation
* @return boolean
* @throws ServiceLocalException
* @throws Exception
*/
protected boolean getIsTimeZoneHeaderRequired(boolean isUpdateOperation)
throws ServiceLocalException, Exception {
return false;
}
/**
* Determines whether property defined with
* ScopedDateTimePropertyDefinition require custom time zone scoping.
*
* @return boolean
*/
protected boolean getIsCustomDateTimeScopingRequired() {
return false;
}
/**
* The property bag holding property values for this object.
*
* @return the property bag
*/
public PropertyBag getPropertyBag() {
return this.propertyBag;
}
/**
* Internal constructor.
*
* @param service the service
* @throws Exception the exception
*/
protected ServiceObject(ExchangeService service) throws Exception {
EwsUtilities.validateParam(service, "service");
EwsUtilities.validateServiceObjectVersion(this, service
.getRequestedServerVersion());
this.service = service;
this.propertyBag = new PropertyBag(this);
}
/**
* Gets the schema associated with this type of object.
*
* @return ServiceObjectSchema
*/
public ServiceObjectSchema schema() {
return this.getSchema();
}
/**
* Internal method to return the schema associated with this type of object.
*
* @return the schema
*/
public abstract ServiceObjectSchema getSchema();
/**
* Gets the minimum required server version.
*
* @return the minimum required server version
*/
public abstract ExchangeVersion getMinimumRequiredServerVersion();
/**
* Loads service object from XML.
*
* @param reader the reader
* @param clearPropertyBag the clear property bag
* @throws Exception the exception
*/
public void loadFromXml(EwsServiceXmlReader reader, boolean clearPropertyBag) throws Exception {
this.getPropertyBag().loadFromXml(reader, clearPropertyBag,
null, // propertySet
false); // summaryPropertiesOnly
}
// / Validates this instance.
/**
* Validate.
*
* @throws Exception the exception
*/
protected void validate() throws Exception {
this.getPropertyBag().validate();
}
// / Loads service object from XML.
/**
* Load from xml.
*
* @param reader the reader
* @param clearPropertyBag the clear property bag
* @param requestedPropertySet the requested property set
* @param summaryPropertiesOnly the summary property only
* @throws Exception the exception
*/
public void loadFromXml(EwsServiceXmlReader reader, boolean clearPropertyBag,
PropertySet requestedPropertySet, boolean summaryPropertiesOnly) throws Exception {
this.getPropertyBag().loadFromXml(reader, clearPropertyBag,
requestedPropertySet, summaryPropertiesOnly);
}
// Clears the object's change log.
/**
* Clear change log.
*/
public void clearChangeLog() {
this.getPropertyBag().clearChangeLog();
}
// / Writes service object as XML.
/**
* Write to xml.
*
* @param writer the writer
* @throws Exception the exception
*/
public void writeToXml(EwsServiceXmlWriter writer) throws Exception {
this.getPropertyBag().writeToXml(writer);
}
// Writes service object for update as XML.
/**
* Write to xml for update.
*
* @param writer the writer
* @throws Exception the exception
*/
public void writeToXmlForUpdate(EwsServiceXmlWriter writer)
throws Exception {
this.getPropertyBag().writeToXmlForUpdate(writer);
}
// / Loads the specified set of property on the object.
/**
* Internal load.
*
* @param propertySet the property set
* @throws Exception the exception
*/
protected abstract void internalLoad(PropertySet propertySet)
throws Exception;
// / Deletes the object.
/**
* Internal delete.
*
* @param deleteMode the delete mode
* @param sendCancellationsMode the send cancellations mode
* @param affectedTaskOccurrences the affected task occurrences
* @throws Exception the exception
*/
protected abstract void internalDelete(DeleteMode deleteMode,
SendCancellationsMode sendCancellationsMode,
AffectedTaskOccurrence affectedTaskOccurrences) throws Exception;
// / Loads the specified set of property. Calling this method results in a
// call to EWS.
/**
* Load.
*
* @param propertySet the property set
* @throws Exception the exception
*/
public void load(PropertySet propertySet) throws Exception {
this.internalLoad(propertySet);
}
// Loads the first class property. Calling this method results in a call
// to EWS.
/**
* Load.
*
* @throws Exception the exception
*/
public void load() throws Exception {
this.internalLoad(PropertySet.getFirstClassProperties());
}
/**
* Gets the value of specified property in this instance.
*
* @param propertyDefinition Definition of the property to get.
* @return The value of specified property in this instance.
* @throws Exception the exception
*/
public Object getObjectFromPropertyDefinition(
PropertyDefinitionBase propertyDefinition) throws Exception {
PropertyDefinition propDef = (PropertyDefinition) propertyDefinition;
if (propDef != null) {
return this.getPropertyBag().getObjectFromPropertyDefinition(propDef);
} else {
// E14:226103 -- Other subclasses of PropertyDefinitionBase are not supported.
throw new UnsupportedOperationException(String.format(
"This operation isn't supported for property definition type %s.",
propertyDefinition.getType().getName()));
}
}
/**
* Try to get the value of a specified extended property in this instance.
*
* @param propertyDefinition the property definition
* @param propertyValue the property value
* @return true, if successful
* @throws Exception the exception
*/
protected boolean tryGetExtendedProperty(Class cls,
ExtendedPropertyDefinition propertyDefinition,
OutParam propertyValue) throws Exception {
ExtendedPropertyCollection propertyCollection = this
.getExtendedProperties();
if ((propertyCollection != null) &&
propertyCollection.tryGetValue(cls, propertyDefinition, propertyValue)) {
return true;
} else {
propertyValue.setParam(null);
return false;
}
}
/**
* Try to get the value of a specified property in this instance.
*
* @param propertyDefinition The property definition.
* @param propertyValue The property value
* @return True if property retrieved, false otherwise.
* @throws Exception
*/
public boolean tryGetProperty(PropertyDefinitionBase propertyDefinition, OutParam