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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.time;
import microsoft.exchange.webservices.data.core.EwsServiceXmlReader;
import microsoft.exchange.webservices.data.core.EwsServiceXmlWriter;
import microsoft.exchange.webservices.data.core.XmlAttributeNames;
import microsoft.exchange.webservices.data.core.XmlElementNames;
import microsoft.exchange.webservices.data.core.enumeration.misc.ExchangeVersion;
import microsoft.exchange.webservices.data.core.enumeration.misc.XmlNamespace;
import microsoft.exchange.webservices.data.core.enumeration.property.time.DayOfTheWeek;
import microsoft.exchange.webservices.data.core.exception.service.local.InvalidOrUnsupportedTimeZoneDefinitionException;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceLocalException;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceXmlSerializationException;
import microsoft.exchange.webservices.data.property.complex.ComplexProperty;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
/**
* Represents a time zone as defined by the EWS schema.
*/
public class TimeZoneDefinition extends ComplexProperty implements Comparator {
/**
* Prefix for generated ids.
*/
private static String NoIdPrefix = "NoId_";
/**
* The Standard period id.
*/
protected final String StandardPeriodId = "Std";
/**
* The Standard period name.
*/
protected final String StandardPeriodName = "Standard";
/**
* The Daylight period id.
*/
protected final String DaylightPeriodId = "Dlt";
/**
* The Daylight period name.
*/
protected final String DaylightPeriodName = "Daylight";
/**
* The name.
*/
public String name;
/**
* The id.
*/
public String id;
/**
* The periods.
*/
private Map periods =
new HashMap();
/**
* The transition groups.
*/
private Map transitionGroups =
new HashMap();
/**
* The transitions.
*/
private List transitions =
new ArrayList();
/**
* Compares the transitions.
*
* @param x The first transition.
* @param y The second transition.
* @return A negative number if x is less than y, 0 if x and y are equal, a
* positive number if x is greater than y.
*/
@Override
public int compare(final TimeZoneTransition x, final TimeZoneTransition y) {
if (x == y) {
return 0;
} else if (x != null && y != null) {
if (x instanceof AbsoluteDateTransition && y instanceof AbsoluteDateTransition) {
final AbsoluteDateTransition firstTransition = (AbsoluteDateTransition) x;
final AbsoluteDateTransition secondTransition = (AbsoluteDateTransition) y;
final Date firstDateTime = firstTransition.getDateTime();
final Date secondDateTime = secondTransition.getDateTime();
return firstDateTime.compareTo(secondDateTime);
} else if (y instanceof TimeZoneTransition) {
return 1;
}
} else if (y == null) {
return 1;
}
return -1;
}
/**
* Initializes a new instance of the TimeZoneDefinition class.
*/
public TimeZoneDefinition() {
super();
}
/**
* Adds a transition group with a single transition to the specified period.
*
* @param timeZonePeriod the time zone period
* @return A TimeZoneTransitionGroup.
*/
private TimeZoneTransitionGroup createTransitionGroupToPeriod(
TimeZonePeriod timeZonePeriod) {
TimeZoneTransition transitionToPeriod = new TimeZoneTransition(this,
timeZonePeriod);
TimeZoneTransitionGroup transitionGroup = new TimeZoneTransitionGroup(
this, String.valueOf(this.transitionGroups.size()));
transitionGroup.getTransitions().add(transitionToPeriod);
this.transitionGroups.put(transitionGroup.getId(), transitionGroup);
return transitionGroup;
}
/**
* Reads the attribute from XML.
*
* @param reader the reader
* @throws Exception the exception
*/
@Override
public void readAttributesFromXml(EwsServiceXmlReader reader)
throws Exception {
this.name = reader.readAttributeValue(XmlAttributeNames.Name);
this.id = reader.readAttributeValue(XmlAttributeNames.Id);
// E14:319057 -- EWS can return a TimeZone definition with no Id. Generate a new Id in this case.
if (this.id == null || this.id.isEmpty()) {
String nameValue = (this.getName() == null || this.
getName().isEmpty()) ? "" : this.getName();
this.setId(NoIdPrefix + Math.abs(nameValue.hashCode()));
}
}
/**
* Writes the attribute to XML.
*
* @param writer the writer
* @throws ServiceXmlSerializationException the service xml serialization exception
*/
@Override
public void writeAttributesToXml(EwsServiceXmlWriter writer)
throws ServiceXmlSerializationException {
// The Name attribute is only supported in Exchange 2010 and above.
if (writer.getService().getRequestedServerVersion() != ExchangeVersion.Exchange2007_SP1) {
writer.writeAttributeValue(XmlAttributeNames.Name, this.name);
}
writer.writeAttributeValue(XmlAttributeNames.Id, this.id);
}
/**
* Tries to read element from XML.
*
* @param reader the reader
* @return True if element was read.
* @throws Exception the exception
*/
@Override
public boolean tryReadElementFromXml(EwsServiceXmlReader reader)
throws Exception {
if (reader.getLocalName().equals(XmlElementNames.Periods)) {
do {
reader.read();
if (reader.isStartElement(XmlNamespace.Types,
XmlElementNames.Period)) {
TimeZonePeriod period = new TimeZonePeriod();
period.loadFromXml(reader);
this.periods.put(period.getId(), period);
}
} while (!reader.isEndElement(XmlNamespace.Types,
XmlElementNames.Periods));
return true;
} else if (reader.getLocalName().equals(
XmlElementNames.TransitionsGroups)) {
do {
reader.read();
if (reader.isStartElement(XmlNamespace.Types,
XmlElementNames.TransitionsGroup)) {
TimeZoneTransitionGroup transitionGroup =
new TimeZoneTransitionGroup(
this);
transitionGroup.loadFromXml(reader);
this.transitionGroups.put(transitionGroup.getId(),
transitionGroup);
}
} while (!reader.isEndElement(XmlNamespace.Types,
XmlElementNames.TransitionsGroups));
return true;
} else if (reader.getLocalName().equals(XmlElementNames.Transitions)) {
do {
reader.read();
if (reader.isStartElement()) {
TimeZoneTransition transition = TimeZoneTransition.create(
this, reader.getLocalName());
transition.loadFromXml(reader);
this.transitions.add(transition);
}
} while (!reader.isEndElement(XmlNamespace.Types,
XmlElementNames.Transitions));
return true;
} else {
return false;
}
}
/**
* Loads from XML.
*
* @param reader the reader
* @throws Exception the exception
*/
public void loadFromXml(EwsServiceXmlReader reader) throws Exception {
this.loadFromXml(reader, XmlElementNames.TimeZoneDefinition);
Collections.sort(this.transitions, new TimeZoneDefinition());
}
/**
* Writes elements to XML.
*
* @param writer the writer
* @throws Exception the exception
*/
@Override
public void writeElementsToXml(EwsServiceXmlWriter writer)
throws Exception {
// We only emit the full time zone definition against Exchange 2010
// servers and above.
if (writer.getService().getRequestedServerVersion() != ExchangeVersion.Exchange2007_SP1) {
if (this.periods.size() > 0) {
writer.writeStartElement(XmlNamespace.Types,
XmlElementNames.Periods);
Iterator it = this.periods.values().iterator();
while (it.hasNext()) {
it.next().writeToXml(writer);
}
writer.writeEndElement(); // Periods
}
if (this.transitionGroups.size() > 0) {
writer.writeStartElement(XmlNamespace.Types,
XmlElementNames.TransitionsGroups);
for (int i = 0; i < this.transitionGroups.size(); i++) {
Object key[] = this.transitionGroups.keySet().toArray();
this.transitionGroups.get(key[i]).writeToXml(writer);
}
writer.writeEndElement(); // TransitionGroups
}
if (this.transitions.size() > 0) {
writer.writeStartElement(XmlNamespace.Types,
XmlElementNames.Transitions);
for (TimeZoneTransition transition : this.transitions) {
transition.writeToXml(writer);
}
writer.writeEndElement(); // Transitions
}
}
}
/**
* Writes to XML.
*
* @param writer The writer.
* @throws Exception the exception
*/
protected void writeToXml(EwsServiceXmlWriter writer) throws Exception {
this.writeToXml(writer, XmlElementNames.TimeZoneDefinition);
}
/**
* Validates this time zone definition.
*
* @throws InvalidOrUnsupportedTimeZoneDefinitionException thrown when time zone definition is not valid.
*/
public void validate() throws ServiceLocalException {
// The definition must have at least one period, one transition group
// and one transition,
// and there must be as many transitions as there are transition groups.
if (this.periods.size() < 1 || this.transitions.size() < 1
|| this.transitionGroups.size() < 1
|| this.transitionGroups.size() != this.transitions.size()) {
throw new InvalidOrUnsupportedTimeZoneDefinitionException();
}
// The first transition must be of type TimeZoneTransition.
if (this.transitions.get(0).getClass() != TimeZoneTransition.class) {
throw new InvalidOrUnsupportedTimeZoneDefinitionException();
}
// All transitions must be to transition groups and be either
// TimeZoneTransition or
// AbsoluteDateTransition instances.
for (TimeZoneTransition transition : this.transitions) {
Class transitionType = transition.getClass();
if (transitionType != TimeZoneTransition.class
&& transitionType != AbsoluteDateTransition.class) {
throw new InvalidOrUnsupportedTimeZoneDefinitionException();
}
if (transition.getTargetGroup() == null) {
throw new InvalidOrUnsupportedTimeZoneDefinitionException();
}
}
// All transition groups must be valid.
for (TimeZoneTransitionGroup transitionGroup : this.transitionGroups
.values()) {
transitionGroup.validate();
}
}
/**
* Gets the name of this time zone definition.
*
* @return the name
*/
public String getName() {
return this.name;
}
/**
* Sets the name.
*
* @param name the new name
*/
protected void setName(String name) {
this.name = name;
}
/**
* Gets the Id of this time zone definition.
*
* @return the id
*/
public String getId() {
return this.id;
}
/**
* Sets the id.
*
* @param id the new id
*/
public void setId(String id) {
this.id = id;
}
/**
* Adds a transition group with a single transition to the specified period.
*
* @return A TimeZoneTransitionGroup.
*/
public Map getPeriods() {
return this.periods;
}
/**
* Gets the transition groups associated with this time zone definition,
* indexed by Id.
*
* @return the transition groups
*/
public Map getTransitionGroups() {
return this.transitionGroups;
}
/**
* Writes to XML.
*
* @param writer accepts EwsServiceXmlWriter
* @param xmlElementName accepts String
* @throws Exception throws Exception
*/
public void writeToXml(EwsServiceXmlWriter writer, String xmlElementName)
throws Exception {
this.writeToXml(writer, this.getNamespace(), xmlElementName);
}
}
