/**

  * Copyright 2005-2011 The Kuali 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/ecl2.php

  *

  * 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.kuali.rice.krad.bo;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.util.RiceUtilities;

 import org.kuali.rice.krad.service.KRADServiceLocator;

 import javax.persistence.Column;

 import javax.persistence.Entity;

 import javax.persistence.FetchType;

 import javax.persistence.Id;

 import javax.persistence.JoinColumn;

 import javax.persistence.OneToOne;

 import javax.persistence.Table;

 import java.io.IOException;

 import java.io.InputStream;

 /**

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 @Entity

 @Table(name="KRNS_ATT_T")

 public class Attachment extends PersistableBusinessObjectBase {

         private static final long serialVersionUID = 402432724949441326L;

     @Id

         @Column(name="NTE_ID")

         private Long noteIdentifier;

         @Column(name="MIME_TYP")

         private String attachmentMimeTypeCode;

         @Column(name="FILE_NM")

         private String attachmentFileName;

         @Column(name="ATT_ID")

         private String attachmentIdentifier;

         @Column(name="FILE_SZ")

         private Long attachmentFileSize;

         @Column(name="ATT_TYP_CD")

         private String attachmentTypeCode;

     @OneToOne(fetch=FetchType.EAGER)

         @JoinColumn(name="NTE_ID")

         private Note note;

         /**

          * Default constructor.

          */

         public Attachment() {

         }

         /**

          * Gets the noteIdentifier attribute.

          *

          * @return Returns the noteIdentifier

          *

          */

         public Long getNoteIdentifier() {

                 return noteIdentifier;

         }

         /**

          * Sets the noteIdentifier attribute.

          *

          * @param noteIdentifier The noteIdentifier to set.

          *

          */

         public void setNoteIdentifier(Long noteIdentifier) {

                 this.noteIdentifier = noteIdentifier;

         }

         /**

          * Gets the attachmentMimeTypeCode attribute.

          *

          * @return Returns the attachmentMimeTypeCode

          *

          */

         public String getAttachmentMimeTypeCode() {

                 return attachmentMimeTypeCode;

         }

         /**

          * Sets the attachmentMimeTypeCode attribute.

          *

          * @param attachmentMimeTypeCode The attachmentMimeTypeCode to set.

          *

          */

         public void setAttachmentMimeTypeCode(String attachmentMimeTypeCode) {

                 this.attachmentMimeTypeCode = attachmentMimeTypeCode;

         }

         /**

          * Gets the attachmentFileName attribute.

          *

          * @return Returns the attachmentFileName

          *

          */

         public String getAttachmentFileName() {

                 return attachmentFileName;

         }

         /**

          * Sets the attachmentFileName attribute.

          *

          * @param attachmentFileName The attachmentFileName to set.

          *

          */

         public void setAttachmentFileName(String attachmentFileName) {

                 this.attachmentFileName = attachmentFileName;

         }

         /**

          * Gets the attachmentIdentifier attribute.

          *

          * @return Returns the attachmentIdentifier

          *

          */

         public String getAttachmentIdentifier() {

                 return attachmentIdentifier;

         }

         /**

          * Sets the attachmentIdentifier attribute.

          *

          * @param attachmentIdentifier The attachmentIdentifier to set.

          *

          */

         public void setAttachmentIdentifier(String attachmentIdentifier) {

                 this.attachmentIdentifier = attachmentIdentifier;

         }

         /**

          * Gets the attachmentFileSize attribute.

          *

          * @return Returns the attachmentFileSize

          *

          */

         public Long getAttachmentFileSize() {

                 return attachmentFileSize;

         }

         /**

          * Sets the attachmentFileSize attribute.

          *

          * @param attachmentFileSize The attachmentFileSize to set.

          *

          */

         public void setAttachmentFileSize(Long attachmentFileSize) {

                 this.attachmentFileSize = attachmentFileSize;

         }

     /**

      * Returns the size of the attachment with units (byte, kilobyte, ...)

      * 

      * @return String attachment file size

      */

     public String getAttachmentFileSizeWithUnits() {

         if (attachmentFileSize != null) {

             return RiceUtilities.getFileSizeUnits(attachmentFileSize);

         }

         return "";

     }

         /**

          * Gets the attachmentTypeCode attribute.

          *

          * @return Returns the attachmentTypeCode

          *

          */

         public String getAttachmentTypeCode() {

                 return attachmentTypeCode;

         }

         /**

          * Sets the attachmentTypeCode attribute.

          *

          * @param attachmentTypeCode The attachmentTypeCode to set.

          *

          */

         public void setAttachmentTypeCode(String attachmentTypeCode) {

                 this.attachmentTypeCode = attachmentTypeCode;

         }

     /**

      * Gets the note attribute.

      * @return Returns the note.

      */

     public Note getNote() {

         return note;

     }

     /**

      * Sets the note attribute value.

      * @param note The note to set.

      */

     public void setNote(Note note) {

         this.note = note;

     }

     /**

      * @return false if any of the required fields (attachmentId, fileName, fileSize, and mimeType) are blank

      */

     public boolean isComplete() {

         return (StringUtils.isNotBlank(attachmentIdentifier) && StringUtils.isNotBlank(attachmentFileName) && (attachmentFileSize != null) && StringUtils.isNotBlank(attachmentMimeTypeCode));

     }

     /**

      *

      *

      */

     public InputStream getAttachmentContents() throws IOException {

         return KRADServiceLocator.getAttachmentService().retrieveAttachmentContents(this);

     }

 }