/* 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.activiti.engine.impl.cmd;
import java.io.Serializable;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.form.StartFormData;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.form.FormEngine;
import org.activiti.engine.impl.form.StartFormHandler;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
/**
* @author Tom Baeyens
* @author Joram Barrez
*/
public class GetRenderedStartFormCmd implements Command<Object>, Serializable {
private static final long serialVersionUID = 1L;
protected String processDefinitionId;
protected String formEngineName;
public GetRenderedStartFormCmd(String processDefinitionId, String formEngineName) {
this.processDefinitionId = processDefinitionId;
this.formEngineName = formEngineName;
}
public Object execute(CommandContext commandContext) {
ProcessDefinitionEntity processDefinition = Context
.getProcessEngineConfiguration()
.getDeploymentCache()
.findDeployedProcessDefinitionById(processDefinitionId);
if (processDefinition == null) {
throw new ActivitiException("Process Definition '" + processDefinitionId +"' not found");
}
StartFormHandler startFormHandler = processDefinition.getStartFormHandler();
if (startFormHandler == null) {
return null;
}
FormEngine formEngine = Context
.getProcessEngineConfiguration()
.getFormEngines()
.get(formEngineName);
if (formEngine==null) {
throw new ActivitiException("No formEngine '" + formEngineName +"' defined process engine configuration");
}
StartFormData startForm = startFormHandler.createStartFormData(processDefinition);
return formEngine.renderStartForm(startForm);
}
}