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// Copyright 2007 The Android Open Source Project
package com.google.wireless.gdata.contacts.parser.xml;
import com.google.wireless.gdata.client.GDataParserFactory;
import com.google.wireless.gdata.contacts.data.ContactEntry;
import com.google.wireless.gdata.contacts.data.GroupEntry;
import com.google.wireless.gdata.data.MediaEntry;
import com.google.wireless.gdata.contacts.serializer.xml.XmlContactEntryGDataSerializer;
import com.google.wireless.gdata.contacts.serializer.xml.XmlGroupEntryGDataSerializer;
import com.google.wireless.gdata.data.Entry;
import com.google.wireless.gdata.parser.GDataParser;
import com.google.wireless.gdata.parser.ParseException;
import com.google.wireless.gdata.parser.xml.XmlParserFactory;
import com.google.wireless.gdata.parser.xml.XmlMediaEntryGDataParser;
import com.google.wireless.gdata.serializer.GDataSerializer;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.InputStream;
/**
* GDataParserFactory that creates XML GDataParsers and GDataSerializers for
* Google Contacts.
*/
public class XmlContactsGDataParserFactory implements GDataParserFactory {
private final XmlParserFactory xmlFactory;
public XmlContactsGDataParserFactory(XmlParserFactory xmlFactory) {
this.xmlFactory = xmlFactory;
}
/**
* Returns a parser for a contacts group feed.
*
* @param is The input stream to be parsed.
* @return A parser for the stream.
* @throws com.google.wireless.gdata.parser.ParseException
*/
public GDataParser createGroupEntryFeedParser(InputStream is) throws ParseException {
XmlPullParser xmlParser;
try {
xmlParser = xmlFactory.createParser();
} catch (XmlPullParserException xppe) {
throw new ParseException("Could not create XmlPullParser", xppe);
}
return new XmlGroupEntryGDataParser(is, xmlParser);
}
/**
* Returns a parser for a media entry feed.
*
* @param is The input stream to be parsed.
* @return A parser for the stream.
* @throws ParseException
*/
public GDataParser createMediaEntryFeedParser(InputStream is) throws ParseException {
XmlPullParser xmlParser;
try {
xmlParser = xmlFactory.createParser();
} catch (XmlPullParserException xppe) {
throw new ParseException("Could not create XmlPullParser", xppe);
}
return new XmlMediaEntryGDataParser(is, xmlParser);
}
/*
* (non-javadoc)
*
* @see GDataParserFactory#createParser
*/
public GDataParser createParser(InputStream is) throws ParseException {
XmlPullParser xmlParser;
try {
xmlParser = xmlFactory.createParser();
} catch (XmlPullParserException xppe) {
throw new ParseException("Could not create XmlPullParser", xppe);
}
return new XmlContactsGDataParser(is, xmlParser);
}
/*
* (non-Javadoc)
*
* @see com.google.wireless.gdata.client.GDataParserFactory#createParser(
* int, java.io.InputStream)
*/
public GDataParser createParser(Class entryClass, InputStream is)
throws ParseException {
if (entryClass == ContactEntry.class) {
return createParser(is);
}
if (entryClass == GroupEntry.class) {
return createGroupEntryFeedParser(is);
}
if (entryClass == MediaEntry.class) {
return createMediaEntryFeedParser(is);
}
throw new IllegalArgumentException("unexpected feed type, " + entryClass.getName());
}
/**
* Creates a new {@link GDataSerializer} for the provided entry. The entry
* <strong>must</strong> be an instance of {@link ContactEntry} or {@link GroupEntry}.
*
* @param entry The {@link ContactEntry} that should be serialized.
* @return The {@link GDataSerializer} that will serialize this entry.
* @throws IllegalArgumentException Thrown if entry is not a
* {@link ContactEntry} or {@link GroupEntry}.
* @see com.google.wireless.gdata.client.GDataParserFactory#createSerializer
*/
public GDataSerializer createSerializer(Entry entry) {
if (entry instanceof ContactEntry) {
ContactEntry contactEntry = (ContactEntry) entry;
return new XmlContactEntryGDataSerializer(xmlFactory, contactEntry);
}
if (entry instanceof GroupEntry) {
GroupEntry groupEntry = (GroupEntry) entry;
return new XmlGroupEntryGDataSerializer(xmlFactory, groupEntry);
}
throw new IllegalArgumentException("unexpected entry type, " + entry.getClass().toString());
}
}
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