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/**************************************************************************
* copyright file="TimeZoneTransitionGroup.java" company="Microsoft"
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* Defines the TimeZoneTransitionGroup.java.
**************************************************************************/
package microsoft.exchange.webservices.data;
import java.util.ArrayList;
import java.util.List;
/**
* Represents a group of time zone period transitions.
*
*/
class TimeZoneTransitionGroup extends ComplexProperty {
/** The time zone definition. */
private TimeZoneDefinition timeZoneDefinition;
/** The id. */
private String id;
/** The transitions. */
private List transitions =
new ArrayList();
/** The transition to standard. */
private TimeZoneTransition transitionToStandard;
/** The transition to daylight. */
private TimeZoneTransition transitionToDaylight;
/** The Constant PeriodTarget. */
private final static String PeriodTarget = "Period";
/** The Constant GroupTarget. */
private final static String GroupTarget = "Group";
/**
* Loads from XML.
*
* @param reader
* the reader
* @throws Exception
* the exception
*/
protected void loadFromXml(EwsServiceXmlReader reader) throws Exception {
this.loadFromXml(reader, XmlElementNames.TransitionsGroup);
}
/**
* Writes to XML.
*
* @param writer
* the writer
* @throws Exception
* the exception
*/
protected void writeToXml(EwsServiceXmlWriter writer) throws Exception {
this.writeToXml(writer, XmlElementNames.TransitionsGroup);
}
/**
* Reads the attributes from XML.
*
* @param reader
* the reader
* @throws Exception
* the exception
*/
@Override
protected void readAttributesFromXml(EwsServiceXmlReader reader)
throws Exception {
this.id = reader.readAttributeValue(XmlAttributeNames.Id);
}
/**
* Writes the attributes to XML.
*
* @param writer
* the writer
* @throws ServiceXmlSerializationException
* the service xml serialization exception
*/
@Override
protected void writeAttributesToXml(EwsServiceXmlWriter writer)
throws ServiceXmlSerializationException {
writer.writeAttributeValue(XmlAttributeNames.Id, this.id);
}
/**
* Writes the attributes to XML.
*
* @param reader
* the reader
* @return true, if successful
* @throws Exception
* the exception
*/
@Override
protected boolean tryReadElementFromXml(EwsServiceXmlReader reader)
throws Exception {
reader.ensureCurrentNodeIsStartElement();
TimeZoneTransition transition = TimeZoneTransition.create(
this.timeZoneDefinition, reader.getLocalName());
transition.loadFromXml(reader);
EwsUtilities.EwsAssert(transition.getTargetPeriod() != null,
"TimeZoneTransitionGroup.TryReadElementFromXml",
"The transition's target period is null.");
this.transitions.add(transition);
return true;
}
/**
* Writes elements to XML.
*
* @param writer
* the writer
* @throws Exception
* the exception
*/
@Override
protected void writeElementsToXml(EwsServiceXmlWriter writer)
throws Exception {
for (TimeZoneTransition transition : this.transitions) {
transition.writeToXml(writer);
}
}
/**
* Validates this transition group.
*
* @throws ServiceLocalException the service local exception
*/
public void validate() throws ServiceLocalException {
// There must be exactly one or two transitions in the group.
if (this.transitions.size() < 1 || this.transitions.size() > 2) {
throw new ServiceLocalException(
Strings.InvalidOrUnsupportedTimeZoneDefinition);
}
// If there is only one transition, it must be of type
// TimeZoneTransition
if (this.transitions.size() == 1
&& !(this.transitions.get(0).getClass() ==
TimeZoneTransition.class)) {
throw new ServiceLocalException(
Strings.InvalidOrUnsupportedTimeZoneDefinition);
}
// If there are two transitions, none of them should be of type
// TimeZoneTransition
if (this.transitions.size() == 2) {
for (TimeZoneTransition transition : this.transitions) {
if (transition.getClass() == TimeZoneTransition.class) {
throw new ServiceLocalException(
Strings.InvalidOrUnsupportedTimeZoneDefinition);
}
}
}
// All the transitions in the group must be to a period.
for (TimeZoneTransition transition : this.transitions) {
if (transition.getTargetPeriod() == null) {
throw new ServiceLocalException(
Strings.InvalidOrUnsupportedTimeZoneDefinition);
}
}
}
/**
* The Class CustomTimeZoneCreateParams.
*/
protected static class CustomTimeZoneCreateParams {
/** The base offset to utc. */
private TimeSpan baseOffsetToUtc;
/** The standard display name. */
private String standardDisplayName;
/** The daylight display name. */
private String daylightDisplayName;
/**
* Initializes a new instance of the class.
*
*/
protected CustomTimeZoneCreateParams() {
}
/**
* Gets the base offset to UTC.
*
* @return the base offset to utc
*/
protected TimeSpan getBaseOffsetToUtc() {
return this.baseOffsetToUtc;
}
/**
* Sets the base offset to utc.
*
* @param baseOffsetToUtc
* the new base offset to utc
*/
protected void setBaseOffsetToUtc(TimeSpan baseOffsetToUtc) {
this.baseOffsetToUtc = baseOffsetToUtc;
}
/**
* Gets the display name of the standard period.
*
* @return the standard display name
*/
protected String getStandardDisplayName() {
return this.standardDisplayName;
}
/**
* Sets the standard display name.
*
* @param standardDisplayName
* the new standard display name
*/
protected void setStandardDisplayName(String standardDisplayName) {
this.standardDisplayName = standardDisplayName;
}
/**
* Gets the display name of the daylight period.
*
* @return the daylight display name
*/
protected String getDaylightDisplayName() {
return this.daylightDisplayName;
}
/**
* Sets the daylight display name.
*
* @param daylightDisplayName
* the new daylight display name
*/
protected void setDaylightDisplayName(String daylightDisplayName) {
this.daylightDisplayName = daylightDisplayName;
}
/**
* Gets a value indicating whether the custom time zone should have a
* daylight period. true if the custom time zone should
* have a daylight period; otherwise, false .
*
* @return the checks for daylight period
*/
protected boolean getHasDaylightPeriod() {
return (!(this.daylightDisplayName == null ||
this.daylightDisplayName.isEmpty()));
}
}
/**
* Gets a value indicating whether this group contains a transition to the
* Daylight period. true if this group contains a transition
* to daylight; otherwise, false .
*
* @return the supports daylight
*/
protected boolean getSupportsDaylight() {
return this.transitions.size() == 2;
}
/**
* Initializes the private members holding references to the transitions to
* the Daylight and Standard periods.
*
* @throws ServiceLocalException
* the service local exception
*/
private void initializeTransitions() throws ServiceLocalException {
if (this.transitionToStandard == null) {
for (TimeZoneTransition transition : this.transitions) {
if (transition.getTargetPeriod().isStandardPeriod() ||
(this.transitions.size() == 1)) {
this.transitionToStandard = transition;
} else {
this.transitionToDaylight = transition;
}
}
}
// If we didn't find a Standard period, this is an invalid time zone
// group.
if (this.transitionToStandard == null) {
throw new ServiceLocalException(
Strings.InvalidOrUnsupportedTimeZoneDefinition);
}
}
/**
* Gets the transition to the Daylight period.
*
* @return the transition to daylight
* @throws ServiceLocalException
* the service local exception
*/
private TimeZoneTransition getTransitionToDaylight()
throws ServiceLocalException {
this.initializeTransitions();
return this.transitionToDaylight;
}
/**
* Gets the transition to the Standard period.
*
* @return the transition to standard
* @throws ServiceLocalException
* the service local exception
*/
private TimeZoneTransition getTransitionToStandard()
throws ServiceLocalException {
this.initializeTransitions();
return this.transitionToStandard;
}
/**
* Gets the offset to UTC based on this group's transitions.
*
* @return the custom time zone creation params
*/
protected CustomTimeZoneCreateParams getCustomTimeZoneCreationParams() {
CustomTimeZoneCreateParams result = new CustomTimeZoneCreateParams();
if (this.transitionToDaylight != null) {
result.setDaylightDisplayName(this.transitionToDaylight
.getTargetPeriod().getName());
}
result.setStandardDisplayName(this.transitionToStandard
.getTargetPeriod().getName());
// Assume that the standard period's offset is the base offset to UTC.
// EWS returns a positive offset for time zones that are behind UTC, and
// a negative one for time zones ahead of UTC. TimeZoneInfo does it the
// other
// way around.
// result.BaseOffsetToUtc =
// -this.TransitionToStandard.TargetPeriod.Bias;
return result;
}
/**
* Initializes a new instance of the class.
*
* @param timeZoneDefinition
* the time zone definition
*/
protected TimeZoneTransitionGroup(TimeZoneDefinition timeZoneDefinition) {
super();
this.timeZoneDefinition = timeZoneDefinition;
}
/**
* Initializes a new instance of the class.
*
* @param timeZoneDefinition
* the time zone definition
* @param id
* the id
*/
protected TimeZoneTransitionGroup(TimeZoneDefinition timeZoneDefinition,
String id) {
this(timeZoneDefinition);
this.id = id;
}
/**
* Gets the id of this group.
*
* @return the id
*/
protected String getId() {
return this.id;
}
/**
* Sets the id.
*
* @param id
* the new id
*/
public void setId(String id) {
this.id = id;
}
/**
* Gets the transitions in this group.
*
* @return the transitions
*/
protected List getTransitions() {
return this.transitions;
}
}