/* 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 org.activiti.engine.ActivitiException;
import org.activiti.engine.ActivitiObjectNotFoundException;
import org.activiti.engine.impl.identity.Authentication;
import org.activiti.engine.impl.interceptor.Command;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.CommentEntity;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.runtime.Execution;
import org.activiti.engine.task.Comment;
import org.activiti.engine.task.Event;
import org.activiti.engine.task.Task;
/**
* @author Tom Baeyens
*/
public class AddCommentCmd implements Command<Comment>{
protected String taskId;
protected String processInstanceId;
protected String type;
protected String message;
public AddCommentCmd(String taskId, String processInstanceId, String message) {
this.taskId = taskId;
this.processInstanceId = processInstanceId;
this.message = message;
}
public AddCommentCmd(String taskId, String processInstanceId, String type, String message) {
this.taskId = taskId;
this.processInstanceId = processInstanceId;
this.type = type;
this.message = message;
}
public Comment execute(CommandContext commandContext) {
// Validate task
if (taskId != null) {
TaskEntity task = commandContext.getTaskEntityManager().findTaskById(taskId);
if (task == null) {
throw new ActivitiObjectNotFoundException("Cannot find task with id " + taskId, Task.class);
}
if (task.isSuspended()) {
throw new ActivitiException(getSuspendedTaskException());
}
}
if (processInstanceId != null) {
ExecutionEntity execution = commandContext.getExecutionEntityManager().findExecutionById(processInstanceId);
if (execution == null) {
throw new ActivitiObjectNotFoundException("execution " + processInstanceId + " doesn't exist", Execution.class);
}
if (execution.isSuspended()) {
throw new ActivitiException(getSuspendedExceptionMessage());
}
}
String userId = Authentication.getAuthenticatedUserId();
CommentEntity comment = new CommentEntity();
comment.setUserId(userId);
comment.setType( (type == null)? CommentEntity.TYPE_COMMENT : type );
comment.setTime(commandContext.getProcessEngineConfiguration().getClock().getCurrentTime());
comment.setTaskId(taskId);
comment.setProcessInstanceId(processInstanceId);
comment.setAction(Event.ACTION_ADD_COMMENT);
String eventMessage = message.replaceAll("\\s+", " ");
if (eventMessage.length()>163) {
eventMessage = eventMessage.substring(0, 160)+"...";
}
comment.setMessage(eventMessage);
comment.setFullMessage(message);
commandContext
.getCommentEntityManager()
.insert(comment);
return comment;
}
protected String getSuspendedTaskException() {
return "Cannot add a comment to a suspended task";
}
protected String getSuspendedExceptionMessage() {
return "Cannot add a comment to a suspended execution";
}
}