/* Copyright (c) 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.gdata.data.extensions;
import com.google.gdata.util.common.xml.XmlWriter;
import com.google.gdata.client.CoreErrorDomain;
import com.google.gdata.data.Extension;
import com.google.gdata.data.ExtensionPoint;
import com.google.gdata.data.ExtensionDescription;
import com.google.gdata.data.ExtensionProfile;
import com.google.gdata.util.Namespaces;
import com.google.gdata.util.ParseException;
import com.google.gdata.util.XmlParser;
import org.xml.sax.Attributes;
import java.io.IOException;
import java.util.ArrayList;
/**
* GData schema extension describing a link to a recurring event.
*
*
*/
public class OriginalEvent extends ExtensionPoint implements Extension {
/** URL of the original recurring event entry. */
protected String href;
public String getHref() { return href; }
public void setHref(String v) { href = v; }
/** Event ID of the original recurring event entry. */
protected String originalId;
public String getOriginalId() { return originalId; }
public void setOriginalId(String v) { originalId = v; }
protected When originalStartTime;
public When getOriginalStartTime() { return originalStartTime; }
public void setOriginalStartTime(When v) { originalStartTime = v; }
/** Returns the suggested extension description. */
public static ExtensionDescription getDefaultDescription() {
ExtensionDescription desc = new ExtensionDescription();
desc.setExtensionClass(OriginalEvent.class);
desc.setNamespace(Namespaces.gNs);
desc.setLocalName("originalEvent");
desc.setRepeatable(false);
return desc;
}
@Override
public void generate(XmlWriter w, ExtensionProfile extProfile)
throws IOException {
ArrayList<XmlWriter.Attribute> attrs = new ArrayList<XmlWriter.Attribute>();
if (originalId != null) {
attrs.add(new XmlWriter.Attribute("id", originalId));
}
if (href != null) {
attrs.add(new XmlWriter.Attribute("href", href));
}
generateStartElement(w, Namespaces.gNs, "originalEvent", attrs, null);
if (originalStartTime != null) {
originalStartTime.generate(w, extProfile);
}
// Invoke ExtensionPoint.
generateExtensions(w, extProfile);
w.endElement(Namespaces.gNs, "originalEvent");
}
@Override
public XmlParser.ElementHandler getHandler(ExtensionProfile extProfile,
String namespace,
String localName,
Attributes attrs) {
return new Handler(extProfile);
}
/** <g:originalEvent> parser. */
private class Handler extends ExtensionPoint.ExtensionHandler {
public Handler(ExtensionProfile extProfile) {
super(extProfile, RecurrenceException.class);
}
@Override
public void processAttribute(String namespace,
String localName,
String value) {
if (namespace.equals("")) {
if (localName.equals("id")) {
originalId = value;
} else if (localName.equals("href")) {
href = value;
}
}
}
@Override
public XmlParser.ElementHandler getChildHandler(String namespace,
String localName,
Attributes attrs)
throws ParseException, IOException {
if (namespace.equals(Namespaces.g)) {
if (localName.equals("when")) {
originalStartTime = new When();
return originalStartTime.getHandler(extProfile, namespace, localName, attrs);
}
}
return super.getChildHandler(namespace, localName, attrs);
}
@Override
public void processEndElement() throws ParseException {
if (originalId == null) {
throw new ParseException(
CoreErrorDomain.ERR.idRequired);
}
if (originalStartTime == null) {
throw new ParseException(
CoreErrorDomain.ERR.whenRequired);
}
super.processEndElement();
}
}
}