org.camunda.bpm.engine.impl.cmd.GetStartFormCmd Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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 static org.camunda.bpm.engine.impl.util.EnsureUtil.ensureNotNull;
import java.io.Serializable;
import org.camunda.bpm.engine.form.StartFormData;
import org.camunda.bpm.engine.impl.cfg.CommandChecker;
import org.camunda.bpm.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.form.handler.StartFormHandler;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.deploy.cache.DeploymentCache;
import org.camunda.bpm.engine.impl.persistence.entity.ProcessDefinitionEntity;
/**
* @author Tom Baeyens
*/
public class GetStartFormCmd implements Command, Serializable {
private static final long serialVersionUID = 1L;
protected String processDefinitionId;
public GetStartFormCmd(String processDefinitionId) {
this.processDefinitionId = processDefinitionId;
}
public StartFormData execute(CommandContext commandContext) {
ProcessEngineConfigurationImpl processEngineConfiguration = Context.getProcessEngineConfiguration();
DeploymentCache deploymentCache = processEngineConfiguration.getDeploymentCache();
ProcessDefinitionEntity processDefinition = deploymentCache.findDeployedProcessDefinitionById(processDefinitionId);
ensureNotNull("No process definition found for id '" + processDefinitionId + "'", "processDefinition", processDefinition);
for(CommandChecker checker : commandContext.getProcessEngineConfiguration().getCommandCheckers()) {
checker.checkReadProcessDefinition(processDefinition);
}
StartFormHandler startFormHandler = processDefinition.getStartFormHandler();
ensureNotNull("No startFormHandler defined in process '" + processDefinitionId + "'", "startFormHandler", startFormHandler);
return startFormHandler.createStartFormData(processDefinition);
}
}