MessageImpl.java

/**********************************************************************************
 * $URL: https://source.sakaiproject.org/svn/msgcntr/trunk/messageforums-hbm/src/java/org/sakaiproject/component/app/messageforums/dao/hibernate/MessageImpl.java $
 * $Id: MessageImpl.java 9227 2006-05-15 15:02:42Z cwen@iupui.edu $
 ***********************************************************************************
 *
 * Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.component.app.messageforums.dao.hibernate;

import java.util.Comparator;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.api.app.messageforums.Attachment;
import org.sakaiproject.api.app.messageforums.Message;
import org.sakaiproject.api.app.messageforums.Topic;

public class MessageImpl extends MutableEntityImpl implements Message
{

	private static final Log LOG = LogFactory.getLog(MessageImpl.class);

	private String title;
	private String body;
	private String author;
	private Set attachmentsSet; // = new HashSet();
	private String label;
	private Message inReplyTo;
	private String typeUuid;
	private Boolean approved;
	private Boolean draft;
	private Topic topic;
	private Boolean hasAttachments = Boolean.FALSE;
	private String gradeAssignmentName; 
	private Boolean deleted;
	private Long threadId;
  private Date threadLastUpdated;
  private Long lastTreadPostId;
  private Integer numReaders;
  
	public static Comparator ATTACHMENT_COMPARATOR;
	public static Comparator SUBJECT_COMPARATOR;
	public static Comparator DATE_COMPARATOR;
	public static Comparator LABEL_COMPARATOR;
	public static Comparator AUTHORED_BY_COMPARATOR;

	public static Comparator ATTACHMENT_COMPARATOR_DESC;
	public static Comparator SUBJECT_COMPARATOR_DESC;
	public static Comparator DATE_COMPARATOR_DESC;
	public static Comparator LABEL_COMPARATOR_DESC;
	public static Comparator AUTHORED_BY_COMPARATOR_DESC;

	// indecies for hibernate
	//private int tindex;

	public Topic getTopic()
	{
		return topic;
	}

	public void setTopic(Topic topic)
	{
		this.topic = topic;
	}

	public MessageImpl()
	{
		attachmentsSet = new HashSet();
	}

	public Boolean getDraft()
	{
		return draft;
	}

	public void setDraft(Boolean draft)
	{
		this.draft = draft;
	}

	public Boolean getHasAttachments()
	{
		return hasAttachments;
	}

	public void setHasAttachments(Boolean hasAttachments)
	{
		this.hasAttachments = hasAttachments;
	}

	public Boolean getApproved()
	{
		return approved;
	}

	public void setApproved(Boolean approved)
	{
		this.approved = approved;
	}

	public Set getAttachmentsSet() {
		return attachmentsSet;
	}

	public void setAttachmentsSet(Set attachmentsSet) {
		this.attachmentsSet = attachmentsSet;
	}

	public List getAttachments()
	{
		return Util.setToList(attachmentsSet);
	}

	public void setAttachments(List attachments)
	{
		this.attachmentsSet = Util.listToSet(attachments);
	}

	public String getAuthor()
	{
		return author;
	}

	public void setAuthor(String author)
	{
		this.author = author;
	}
	
	public String getAuthorId()
	{
		return createdBy;
	}

	public String getBody()
	{
		return body;
	}

	public void setBody(String body)
	{
		this.body = body;
	}

	public Message getInReplyTo()
	{
		return inReplyTo;
	}

	public void setInReplyTo(Message inReplyTo)
	{
		this.inReplyTo = inReplyTo;
	}

	public String getLabel()
	{
		return label;
	}

	public void setLabel(String label)
	{
		this.label = label;
	}

	public String getTitle()
	{
		return title;
	}

	public void setTitle(String title)
	{
		this.title = title;
	}

	public String getTypeUuid()
	{
		return typeUuid;
	}

	public void setTypeUuid(String typeUuid)
	{
		this.typeUuid = typeUuid;
	}

	public Boolean getDeleted() {
		return deleted;
	}

	public void setDeleted(Boolean deleted) 
	{
		this.deleted = deleted;
	}

	public String toString()
	{
		return "Message/" + id;
		//return "Message.id:" + id;
	}

	public boolean equals(Object obj) {
		if (obj != null && obj instanceof Message) {
			return getId().equals(((Message)obj).getId());
		}
		return false;
	}

	// needs a better impl
	public int hashCode() {
		return getId() == null ? 0 : getId().hashCode();
	}

	// //////////////////////////////////////////////////////////////////////
	// helper methods for collections
	// //////////////////////////////////////////////////////////////////////



	public void addAttachment(Attachment attachment)
	{
		if (LOG.isDebugEnabled())
		{
			LOG.debug("addAttachment(Attachment " + attachment + ")");
		}

		if (attachment == null)
		{
			throw new IllegalArgumentException("attachment == null");
		}

		attachment.setMessage(this);
		attachmentsSet.add(attachment);

		if (!hasAttachments.booleanValue()){
			hasAttachments = Boolean.TRUE;
		}

	}

	public void removeAttachment(Attachment attachment)
	{
		if (LOG.isDebugEnabled())
		{
			LOG.debug("removeAttachment(Attachment " + attachment + ")");
		}

		if (attachment == null)
		{
			throw new IllegalArgumentException("Illegal attachment argument passed!");
		}

		attachment.setMessage(null);
		attachmentsSet.remove(attachment);  

		if (attachmentsSet.size() == 0){
			hasAttachments = Boolean.FALSE;
		}
	}

	//  public int getTindex()
	//  {
	//    try
	//    {
	//      return getTopic().getMessages().indexOf(this);
	//    }
	//    catch (Exception e)
	//    {
	//      return tindex;
	//    }
	//  }
	//
	//  public void setTindex(int tindex)
	//  {
	//    this.tindex = tindex;
	//  }

	// ============================================
	static
	{
		SUBJECT_COMPARATOR = new Comparator()
		{
			public int compare(Object message, Object otherMessage)
			{
				if (message != null && otherMessage != null
						&& message instanceof Message && otherMessage instanceof Message)
				{
					String msg = ((Message) message).getTitle();
					String msg2 = ((Message) otherMessage).getTitle();
					return msg.compareTo(msg2);
				}
				return -1;

			}
		};

		DATE_COMPARATOR = new Comparator()
		{
			public int compare(Object message, Object otherMessage)
			{
				if (message != null && otherMessage != null
						&& message instanceof Message && otherMessage instanceof Message)
				{
					Date msg = ((Message) message).getCreated();
					Date msg2 = ((Message) otherMessage).getCreated();
					return msg.compareTo(msg2);
				}
				return -1;
			}
		};

		AUTHORED_BY_COMPARATOR = new Comparator()
		{
			public int compare(Object message, Object otherMessage)
			{
				if (message != null && otherMessage != null
						&& message instanceof Message && otherMessage instanceof Message)
				{
					String msg = ((Message) message).getAuthor();
					String msg2 = ((Message) otherMessage).getAuthor();
					return msg.compareTo(msg2);
				}
				return -1;
			}
		};

		LABEL_COMPARATOR = new Comparator()
		{

			public int compare(Object message, Object otherMessage)
			{
				if (message != null && otherMessage != null
						&& message instanceof Message && otherMessage instanceof Message)
				{
					String msg = ((Message) message).getLabel();
					String msg2 = ((Message) otherMessage).getLabel();
					return msg.compareTo(msg2);
				}
				return -1;
			}

		};


		// TODO: make more generic and reuse the above

		SUBJECT_COMPARATOR_DESC = new Comparator()
		{
			public int compare(Object message, Object otherMessage)
			{
				if (message != null && otherMessage != null
						&& message instanceof Message && otherMessage instanceof Message)
				{
					String msg2 = ((Message) message).getTitle();
					String msg = ((Message) otherMessage).getTitle();
					return msg.compareTo(msg2);
				}
				return -1;

			}
		};

		DATE_COMPARATOR_DESC = new Comparator()
		{
			public int compare(Object message, Object otherMessage)
			{
				if (message != null && otherMessage != null
						&& message instanceof Message && otherMessage instanceof Message)
				{
					Date msg2 = ((Message) message).getCreated();
					Date msg = ((Message) otherMessage).getCreated();
					return msg.compareTo(msg2);
				}
				return -1;
			}
		};
		AUTHORED_BY_COMPARATOR_DESC = new Comparator()
		{
			public int compare(Object message, Object otherMessage)
			{
				if (message != null && otherMessage != null
						&& message instanceof Message && otherMessage instanceof Message)
				{
					String msg2 = ((Message) message).getAuthor();
					String msg = ((Message) otherMessage).getAuthor();
					return msg.compareTo(msg2);
				}
				return -1;
			}
		};

		LABEL_COMPARATOR_DESC = new Comparator()
		{

			public int compare(Object message, Object otherMessage)
			{
				if (message != null && otherMessage != null
						&& message instanceof Message && otherMessage instanceof Message)
				{
					String msg2 = ((Message) message).getLabel();
					String msg = ((Message) otherMessage).getLabel();
					return msg.compareTo(msg2);
				}
				return -1;
			}

		};

	}

 
	public Date getDateThreadlastUpdated() {
		
		return threadLastUpdated;
	}


	public Long getThreadId() {
		
		return threadId;
	}

	public void setDateThreadlastUpdated(Date date) {
		this.threadLastUpdated = date;
		
	}

	public void setThreadId(Long threadid) {
		this.threadId = threadid;
		
	}

	public Long getThreadLastPost() {
		return lastTreadPostId;
	}

	public void setThreadLastPost(Long messageId) {
		this.lastTreadPostId = messageId;
		
	}

	public String getGradeAssignmentName()
	{
		return gradeAssignmentName;
	}

	public void setGradeAssignmentName(String gradeAssignmentName)
	{
		this.gradeAssignmentName = gradeAssignmentName;
	}


	public Integer getNumReaders() {
		return numReaders;
	}

	public void setNumReaders(Integer numReaders) {
		this.numReaders = numReaders;

	}


}