/* 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.camunda.bpm.engine.impl.cmd;
import java.io.Serializable;
import org.camunda.bpm.engine.form.TaskFormData;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.form.engine.FormEngine;
import org.camunda.bpm.engine.impl.form.handler.TaskFormHandler;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.entity.TaskEntity;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull;
/**
* @author Tom Baeyens
*/
public class GetRenderedTaskFormCmd implements Command<Object>, Serializable {
private static final long serialVersionUID = 1L;
protected String taskId;
protected String formEngineName;
public GetRenderedTaskFormCmd(String taskId, String formEngineName) {
this.taskId = taskId;
this.formEngineName = formEngineName;
}
public Object execute(CommandContext commandContext) {
TaskEntity task = Context
.getCommandContext()
.getTaskManager()
.findTaskById(taskId);
ensureNotNull("Task '" + taskId + "' not found", "task", task);
ensureNotNull("Task form definition for '" + taskId + "' not found", "task.getTaskDefinition()", task.getTaskDefinition());
TaskFormHandler taskFormHandler = task.getTaskDefinition().getTaskFormHandler();
if (taskFormHandler == null) {
return null;
}
FormEngine formEngine = Context
.getProcessEngineConfiguration()
.getFormEngines()
.get(formEngineName);
ensureNotNull("No formEngine '" + formEngineName + "' defined process engine configuration", "formEngine", formEngine);
TaskFormData taskForm = taskFormHandler.createTaskForm(task);
return formEngine.renderTaskForm(taskForm);
}
}