/* 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.identity.Picture;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.entity.ByteArrayEntity;
import org.camunda.bpm.engine.impl.persistence.entity.IdentityInfoEntity;
import static org.camunda.bpm.engine.impl.util.EnsureUtil.*;
/**
* @author Daniel Meyer
* @author Tom Baeyens
*/
public class GetUserPictureCmd implements Command<Picture>, Serializable {
private static final long serialVersionUID = 1L;
protected String userId;
public GetUserPictureCmd(String userId) {
this.userId = userId;
}
public Picture execute(CommandContext commandContext) {
ensureNotNull("userId", userId);
IdentityInfoEntity pictureInfo = commandContext.getIdentityInfoManager()
.findUserInfoByUserIdAndKey(userId, "picture");
if (pictureInfo != null) {
String pictureByteArrayId = pictureInfo.getValue();
if (pictureByteArrayId != null) {
ByteArrayEntity byteArray = commandContext.getDbEntityManager()
.selectById(ByteArrayEntity.class, pictureByteArrayId);
return new Picture(byteArray.getBytes(), byteArray.getName());
}
}
return null;
}
}