/*
Copyright 2010 Intalio 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 org.jbpm.bpmn2.xpath;
import org.drools.compiler.DescrBuildError;
import org.drools.compiler.ReturnValueDescr;
import org.drools.rule.builder.PackageBuildContext;
import org.jbpm.process.builder.ReturnValueEvaluatorBuilder;
import org.jbpm.process.core.ContextResolver;
import org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator;
import org.jbpm.process.instance.impl.XPATHReturnValueEvaluator;
public class XPATHReturnValueEvaluatorBuilder
implements
ReturnValueEvaluatorBuilder {
public XPATHReturnValueEvaluatorBuilder() {
}
public void build(final PackageBuildContext context,
final ReturnValueConstraintEvaluator constraintNode,
final ReturnValueDescr descr,
final ContextResolver contextResolver) {
String text = descr.getText();
try {
XPATHReturnValueEvaluator expr = new XPATHReturnValueEvaluator( text,
null );
constraintNode.setEvaluator( expr );
} catch ( final Exception e ) {
context.getErrors().add( new DescrBuildError( context.getParentDescr(),
descr,
null,
"Unable to build expression for 'constraint' " + descr.getText() + "': " + e ) );
}
}
}