package org.apache.lucene.gdata.storage.lucenestorage;
import java.net.MalformedURLException;
import java.net.URL;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.gdata.data.GDataAccount;
/**
* Wrapps a User Object.
* The wrapper provides also a Lucene repesentation of the user;
* User Objects will not be Buffered in the lucene storage component. Each User will be written imidialtely.
* @author Simon Willnauer
*
*/
public class StorageAccountWrapper implements StorageWrapper{
private static final Log LOG = LogFactory.getLog(StorageAccountWrapper.class);
/**
* Lucene field for the username
*/
public static final String FIELD_ACCOUNTNAME = "accountName";
/**
* Lucene field for the password
*/
public static final String FIELD_PASSWORD = "passwd";
/**
* Lucene field for the author name
*/
public static final String FIELD_AUTHORNAME = "author";
/**
* Lucene field for the author mail address
*/
public static final String FIELD_AUTHORMAIL = "authorMail";
/**
* Lucene field for the author link
*/
public static final String FIELD_AUTHORHREF = "authorHref";
/**
* Lucene field fot the userroles
*/
public static final String FIELD_ROLES = "userroles";
private final GDataAccount user;
/**
* @param user - the user to be wrapped
*/
public StorageAccountWrapper(final GDataAccount user) {
if(user == null)
throw new IllegalArgumentException("user must not be null");
this.user = user;
}
/**
* @see org.apache.lucene.gdata.storage.lucenestorage.StorageWrapper#getLuceneDocument()
*/
public Document getLuceneDocument() {
Document doc = new Document();
doc.add(new Field(FIELD_ACCOUNTNAME,this.user.getName(),Field.Store.YES,Field.Index.UN_TOKENIZED));
doc.add(new Field(FIELD_PASSWORD,this.user.getPassword()==null?"":this.user.getPassword(),Field.Store.YES,Field.Index.NO));
doc.add(new Field(FIELD_AUTHORNAME,this.user.getAuthorname()==null?"":this.user.getAuthorname(),Field.Store.YES,Field.Index.NO));
doc.add(new Field(FIELD_AUTHORMAIL,this.user.getAuthorMail()==null?"":this.user.getAuthorMail(),Field.Store.YES,Field.Index.NO));
doc.add(new Field(FIELD_AUTHORHREF,this.user.getAuthorLink()==null?"":this.user.getAuthorLink().toString(),Field.Store.YES,Field.Index.NO));
doc.add(new Field(FIELD_ROLES, Integer.toString(this.user.getRolesAsInt()),Field.Store.YES,Field.Index.NO));
return doc;
}
/**
* @param doc - a lucene document representation of an user
* @return - the user to build from the document. or <code>null</code> if the document is <code>null</code>
*/
public static GDataAccount buildEntity(final Document doc){
if(doc == null)
return null;
GDataAccount user = new GDataAccount();
user.setName(doc.get(FIELD_ACCOUNTNAME));
user.setPassword(doc.get(FIELD_PASSWORD));
user.setAuthorname(doc.get(FIELD_AUTHORNAME));
user.setAuthorMail(doc.get(FIELD_AUTHORMAIL));
try{
user.setRolesAsInt(Integer.parseInt(doc.get(FIELD_ROLES)));
}catch (NumberFormatException e) {
LOG.info("Can't parse userroles: "+user.getName()+" throws NumberFormatException. -- skipping --",e);
}
try {
if(doc.get(FIELD_AUTHORHREF)!= null)
user.setAuthorLink(new URL(doc.get(FIELD_AUTHORHREF)));
} catch (MalformedURLException e) {
LOG.info("SPECIFIED URL for user: "+user.getName()+" throws MalformedURLException. -- skipping --",e);
}
return user;
}
/**
* @return - the wrapped user
*/
public GDataAccount getUser() {
return this.user;
}
}