/* 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.ByteArrayInputStream;
import java.io.InputStream;
import java.io.Serializable;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.ResourceEntity;
/**
* @author Joram Barrez
*/
public class GetDeploymentResourceCmd implements Command<InputStream>, Serializable {
private static final long serialVersionUID = 1L;
protected String deploymentId;
protected String resourceName;
public GetDeploymentResourceCmd(String deploymentId, String resourceName) {
this.deploymentId = deploymentId;
this.resourceName = resourceName;
}
public InputStream execute(CommandContext commandContext) {
if (deploymentId == null) {
throw new ActivitiException("deploymentId is null");
}
if(resourceName == null) {
throw new ActivitiException("resourceName is null");
}
ResourceEntity resource = commandContext
.getResourceManager()
.findResourceByDeploymentIdAndResourceName(deploymentId, resourceName);
if(resource == null) {
throw new ActivitiException("no resource found with name '" + resourceName + "' in deployment '" + deploymentId + "'");
}
return new ByteArrayInputStream(resource.getBytes());
}
}