/*
* Copyright 1999-2008 University of Chicago
*
* 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 org.nimbustools.messaging.gt4_0.ensemble;
import org.globus.wsrf.ResourceKey;
import org.globus.wsrf.impl.SimpleResourceKey;
import org.nimbustools.messaging.gt4_0.common.Constants_GT4_0;
import org.nimbustools.messaging.gt4_0.FaultUtil;
import org.nimbustools.messaging.gt4_0.generated.ensemble.WorkspaceEnsembleFault;
import org.apache.axis.message.addressing.EndpointReferenceType;
import org.apache.axis.message.addressing.ReferencePropertiesType;
import org.apache.axis.message.MessageElement;
import javax.xml.namespace.QName;
public class EnsembleUtil {
// -------------------------------------------------------------------------
// EPR RELATED
// -------------------------------------------------------------------------
public static String getResourceID(final EndpointReferenceType epr)
throws Exception {
if (epr == null) {
throw new Exception("epr is null");
}
final ReferencePropertiesType properties = epr.getProperties();
if (properties == null) {
throw new Exception("epr properties are null");
}
final QName ensembleKeyQName =
Constants_GT4_0.ENSEMBLE_RESOURCE_KEY_QNAME;
final MessageElement elem = properties.get(ensembleKeyQName);
if (elem == null) {
throw new Exception("key not present in EPR");
}
final String id = elem.getValue();
if (id == null || id.trim().length() == 0) {
throw new Exception("key present in EPR but had no content");
}
return id;
}
public static ResourceKey getResourceKey(final EndpointReferenceType epr)
throws Exception {
final QName keyQName = Constants_GT4_0.ENSEMBLE_RESOURCE_KEY_QNAME;
return new SimpleResourceKey(keyQName, getResourceID(epr));
}
// -------------------------------------------------------------------------
// FAULTS
// -------------------------------------------------------------------------
public static WorkspaceEnsembleFault makeEnsembleFault(String err,
Exception e) {
return (WorkspaceEnsembleFault)
FaultUtil.makeFault(WorkspaceEnsembleFault.class, err, e);
}
}