filecontentnode.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 109 行

/*
 * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.jcr.file;

import com.caucho.jcr.base.BaseNode;
import com.caucho.jcr.base.BaseNodeType;
import com.caucho.vfs.Path;

import javax.jcr.PathNotFoundException;
import javax.jcr.Property;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.nodetype.NodeType;

/**
 * Represents a file's contents in the filesystem
 */
public class FileContentNode extends BaseNode {
  private FileSession _session;
  private Path _path;

  FileContentNode(FileSession session, Path path)
  {
    _session = session;
    _path = path;
  }
  
  /**
   * Returns the full absolute pathname of the item.
   */
  public String getPath()
    throws RepositoryException
  {
    return _path.getPath() + "/" + getName();
  }
  
  /**
   * Returns the tail name of the item.
   */
  public String getName()
    throws RepositoryException
  {
    return "jcr:content";
  }

  /**
   * Returns the node type.
   */
  public NodeType getPrimaryNodeType()
  {
    return BaseNodeType.NT_RESOURCE;
  }
  
  /**
   * Returns the property based on the relative path.
   */
  public Property getProperty(String relPath)
    throws PathNotFoundException,
	   RepositoryException
  {
    if (relPath.equals("jcr:data")) {
      return new FileDataProperty(_path);
    }
    else
      return super.getProperty(relPath);
  }

  /**
   * Returns the owning session.
   */
  public Session getSession()
    throws RepositoryException
  {
    return _session;
  }

  public String toString()
  {
    return "FileContentNode[" + _path + "]";
  }
}