org.camunda.bpm.engine.impl.cmd.GetDeploymentResourceForIdCmd 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.ByteArrayInputStream;
import java.io.InputStream;
import java.io.Serializable;
import org.camunda.bpm.engine.impl.cfg.CommandChecker;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.entity.ResourceEntity;
/**
* @author [email protected]
*/
public class GetDeploymentResourceForIdCmd implements Command, Serializable {
private static final long serialVersionUID = 1L;
protected String deploymentId;
protected String resourceId;
public GetDeploymentResourceForIdCmd(String deploymentId, String resourceId) {
this.deploymentId = deploymentId;
this.resourceId = resourceId;
}
public InputStream execute(CommandContext commandContext) {
ensureNotNull("deploymentId", deploymentId);
ensureNotNull("resourceId", resourceId);
for(CommandChecker checker : commandContext.getProcessEngineConfiguration().getCommandCheckers()) {
checker.checkReadDeployment(deploymentId);
}
ResourceEntity resource = commandContext
.getResourceManager()
.findResourceByDeploymentIdAndResourceId(deploymentId, resourceId);
ensureNotNull("no resource found with id '" + resourceId + "' in deployment '" + deploymentId + "'", "resource", resource);
return new ByteArrayInputStream(resource.getBytes());
}
}