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package org.apache.commons.jelly.tags.ojb;
import ojb.broker.PersistenceBroker;
import ojb.broker.PersistenceBrokerException;
import ojb.broker.PersistenceBrokerFactory;
import org.apache.commons.jelly.JellyContext;
import org.apache.commons.jelly.JellyException;
import org.apache.commons.jelly.TagSupport;
import org.apache.commons.jelly.XMLOutput;
/**
* <p>This Store tag will store the given object in ObjectBridge using
* the given broker or it will use the parent broker tags broker instance.</p>
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
* @version $Revision: 1.4 $
*/
public class StoreTag extends TagSupport {
/** the value to persist */
private Object value;
/** The persistence broker instance */
private PersistenceBroker broker;
public StoreTag() {
}
// Tag interface
//-------------------------------------------------------------------------
public void doTag(XMLOutput output) throws Exception {
if ( value == null ) {
throw new JellyException( "No value is supplied!" );
}
getBroker().store( value );
}
// Properties
//-------------------------------------------------------------------------
/** Sets the value to be persisted */
public void setValue(Object value) {
this.value = value;
}
/** @return the persistence broker instance */
public PersistenceBroker getBroker() {
if (broker == null) {
BrokerTag brokerTag = (BrokerTag) findAncestorWithClass( BrokerTag.class );
if ( brokerTag != null ) {
broker = brokerTag.getBroker();
}
else {
broker = (PersistenceBroker) context.getVariable(
"org.apache.commons.jelly.ojb.Broker"
);
}
}
return broker;
}
/** Sets the persistence broker instance */
public void setBroker(PersistenceBroker broker) {
this.broker = broker;
}
}