/**
    * This file Copyright (c) 2003-2010 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.cms.core;
  
  import info.magnolia.cms.security.AccessDeniedException;
  import info.magnolia.cms.security.Permission;
  
  import java.io.InputStream;
  import java.util.Calendar;
  
  import javax.jcr.Node;
  import javax.jcr.PathNotFoundException;
  import javax.jcr.Property;
  import javax.jcr.PropertyType;
  import javax.jcr.RepositoryException;
  import javax.jcr.Value;
  import javax.jcr.ValueFormatException;
  
  import org.apache.commons.lang.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * Wrapper class for a jcr property.
   * @author Sameer Charles
   * @version 2.0 $Id: DefaultNodeData.java 32667 2010-03-13 00:37:06Z gjoseph $
   */
  public class DefaultNodeData extends AbstractNodeData {
      private static final Logger log = LoggerFactory.getLogger(DefaultNodeData.class);
  
      protected DefaultNodeData(Content parent, String name) {
          super(parent, name);
      }
  
      public Value getValue() {
          if(isExist()){
              try {
                  return getJCRProperty().getValue();
              }
              catch (RepositoryException e) {
                  throw new RuntimeException("Can't read value of nodedata " + toString(), e);
              }
          }
          else{
              return null;
          }
      }
  
      public Value[] getValues() {
          if(isExist()){
              try {
                  if(this.isMultiValue() == MULTIVALUE_TRUE) {
                      return getJCRProperty().getValues();
                  } else {
                      //JCR-1464 needed for export of multivalue property with only one item
                      return new Value[] { getJCRProperty().getValue() };
                  }
              } catch (RepositoryException e) {
                  throw new RuntimeException("Can't read value of nodedata " + toString(), e);
              }
          }
          else{
              return null;
          }
      }
  
      public String getString() {
         if(isExist()){
             try {
                 return getJCRProperty().getString();
             }
             // multi value
             catch(ValueFormatException e){
                 final StringBuffer str = new StringBuffer();
                 Value[] values = getValues();
                 for (Value value : values) {
                     if(str.length()>0){
                         str.append(", ");
                     }
                     try {
                         str.append(value.getString());
                     }
                     catch (RepositoryException e1) {
                         throw new RuntimeException("Can't read multi value nodedata " + toString(), e);
                     }
                 }
                 return str.toString();
             }
             catch (RepositoryException e) {
                 throw new RuntimeException("Can't read value of nodedata " + toString(), e);
             }
         }
         else{
             return StringUtils.EMPTY;
         }
     }
 
     public long getLong() {
         if(isExist()){
             try {
                 return getJCRProperty().getLong();
             }
             catch (RepositoryException e) {
                 throw new RuntimeException("Can't read value of nodedata " + toString(), e);
             }
         }
         else{
             return 0;
         }
     }
 
     public double getDouble() {
         if(isExist()){
             try {
                 return getJCRProperty().getDouble();
             }
             catch (RepositoryException e) {
                 throw new RuntimeException("Can't read value of nodedata " + toString(), e);
             }
         }
         else{
             return 0;
         }
     }
 
     public Calendar getDate() {
         if(isExist()){
             try {
                 return getJCRProperty().getDate();
             }
             catch (RepositoryException e) {
                 throw new RuntimeException("Can't read value of nodedata " + toString(), e);
             }
         }
         else{
             return null;
         }
     }
 
     public boolean getBoolean() {
         if(isExist()){
             try {
                 return getJCRProperty().getBoolean();
             }
             catch (RepositoryException e) {
                 throw new RuntimeException("Can't read value of nodedata " + toString(), e);
             }
         }
         else{
             return false;
         }
     }
 
     public InputStream getStream() {
         if (isExist()){
             try {
                 return getJCRProperty().getStream();
             }
             catch (RepositoryException e) {
                 throw new RuntimeException("Can't read value of nodedata " + toString(), e);
             }
         }
         else{
             return null;
         }
     }
 
     public int getType() {
         if (isExist()) {
             try {
                 return getJCRProperty().getType();
             }
             catch (Exception e) {
                 log.warn("Unable to read property type for {}", name); //$NON-NLS-1$
             }
         }
         return PropertyType.UNDEFINED;
     }
 
     public long getContentLength() {
         if(!isExist()){
             return 0;
         }
 
         try {
             return getJCRProperty().getLength();
         }
         catch (RepositoryException re) {
             throw new RuntimeException(re);
         }
     }
 
     public Property getJCRProperty() {
         try {
             return getJCRNode().getProperty(name);
         }
         catch (PathNotFoundException e) {
             return null;
         }
         catch (RepositoryException e) {
             throw new RuntimeException(e);
         }
     }
 
     protected Node getJCRNode() {
         return parent.getJCRNode();
     }
 
     protected Content getContentFromJCRReference() throws RepositoryException {
         return getHierarchyManager().getContent(getJCRProperty().getNode().getPath());
     }
 
     public void setValue(String value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value);
     }
 
     public void setValue(int value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value);
     }
 
     public void setValue(long value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value);
     }
 
     public void setValue(double value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value);
     }
 
     public void setValue(boolean value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value);
     }
 
     public void setValue(Calendar value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value);    }
 
     public void setValue(Value value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value);    }
 
     public void setValue(Value[] value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value);    }
 
     public void setValue(Content value) throws RepositoryException, AccessDeniedException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.SET);
         getJCRNode().setProperty(name, value.getJCRNode());
     }
 
     public void setValue(InputStream value) throws RepositoryException, AccessDeniedException {
         throw new UnsupportedOperationException("This operation is only supported for node datas of type BINARY");
     }
 
     public boolean isExist() {
         try {
             return getJCRNode().hasProperty(name);
         }
         catch (RepositoryException e) {
             throw new RuntimeException(e);
         }
     }
 
     public void save() throws RepositoryException {
         if(isExist()){
             getJCRProperty().save();
         }
     }
 
     public void delete() throws RepositoryException {
         Access.isGranted(getHierarchyManager().getAccessManager(), Path.getAbsolutePath(this.getHandle()), Permission.REMOVE);
         if(isExist()){
             getJCRProperty().remove();
         }
     }
 
     public void refresh(boolean keepChanges) throws RepositoryException {
         if(isExist()){
             getJCRProperty().refresh(keepChanges);
         }
     }
 
 }