org.jbpm.compiler.xml.processes.ParameterHandler Maven / Gradle / Ivy
/*
* Copyright 2017 Red Hat, Inc. and/or its affiliates.
*
* 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.compiler.xml.processes;
import java.util.HashSet;
import org.jbpm.process.core.ParameterDefinition;
import org.jbpm.process.core.TypeObject;
import org.jbpm.process.core.Work;
import org.jbpm.process.core.datatype.DataType;
import org.jbpm.process.core.impl.ParameterDefinitionImpl;
import org.drools.core.xml.BaseAbstractHandler;
import org.drools.core.xml.ExtensibleXmlParser;
import org.drools.core.xml.Handler;
import org.jbpm.process.core.ValueObject;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class ParameterHandler extends BaseAbstractHandler implements Handler {
public ParameterHandler() {
if ((this.validParents == null) && (this.validPeers == null)) {
this.validParents = new HashSet>();
this.validParents.add(Work.class);
this.validPeers = new HashSet>();
this.validPeers.add(null);
this.allowNesting = false;
}
}
public Object start(final String uri,
final String localName,
final Attributes attrs,
final ExtensibleXmlParser parser) throws SAXException {
parser.startElementBuilder(localName, attrs);
final String name = attrs.getValue("name");
emptyAttributeCheck(localName, "name", name, parser);
Work work = (Work) parser.getParent();
ParameterDefinition parameterDefinition = new ParameterDefinitionImpl();
parameterDefinition.setName(name);
work.addParameterDefinition(parameterDefinition);
return new ParameterWrapper(parameterDefinition, work);
}
public Object end(final String uri,
final String localName,
final ExtensibleXmlParser parser) throws SAXException {
parser.endElementBuilder();
return null;
}
public Class generateNodeFor() {
return ParameterWrapper.class;
}
public class ParameterWrapper implements TypeObject, ValueObject {
private Work work;
private ParameterDefinition parameterDefinition;
public ParameterWrapper(ParameterDefinition parameterDefinition, Work work) {
this.work = work;
this.parameterDefinition = parameterDefinition;
}
public DataType getType() {
return parameterDefinition.getType();
}
public void setType(DataType type) {
parameterDefinition.setType(type);
}
public Object getValue() {
return work.getParameter(parameterDefinition.getName());
}
public void setValue(Object value) {
work.setParameter(parameterDefinition.getName(), value);
}
}
}