/*
* Copyright (c) 1998-2011 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 SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.servlets.webdav;
import com.caucho.server.webapp.WebApp;
import com.caucho.util.NullIterator;
import com.caucho.vfs.Path;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
/**
* Represents a virtual filesystem.
*/
public class ApplicationPath extends AbstractPath {
/**
* Returns true if the named file is a file.
*
* @param path the requested relative path
*/
public boolean isFile(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).isFile();
}
/**
* Returns true if the named file is a directory.
*
* @param path the requested relative path
*/
public boolean isDirectory(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).isDirectory();
}
/**
* Returns true if the file can be read.
*
* @param path the requested relative path
*/
public boolean canRead(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).canRead();
}
/**
* Returns true if the file exists.
*
* @param path the requested relative path
*/
public boolean exists(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).exists();
}
/**
* Returns the length of the named file.
*
* @param path the requested relative path
*/
public long getLength(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).getLength();
}
/**
* Returns the last modified time of the named file.
*
* @param path the requested relative path
*/
public long getLastModified(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).getLastModified();
}
/**
* Returns an iterator over the attribute names.
* Each attribute name is of the type AttributeName.
*
* @param path the requested relative path
* @param request the servlet request
* @param app the servlet context
*/
public Iterator getAttributeNames(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return NullIterator.create();
}
/**
* Returns an attribute value.
*
* @param name the attribute name
* @param path the requested relative path
* @param request the servlet request
* @param app the servlet context
*/
public String getAttribute(AttributeName name,
String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return null;
}
/**
* Sets an attribute value.
*
* @param name the attribute name
* @param value the attribute value
* @param path the requested relative path
* @param request the servlet request
* @param app the servlet context
*
* @return true if the setting was successful
*/
public boolean setAttribute(AttributeName name, String value,
String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return false;
}
/**
* Removes an attribute value.
*
* @param name the attribute name
* @param path the requested relative path
* @param request the servlet request
* @param app the servlet context
*/
public void removeAttribute(String name,
String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
}
/**
* Returns a list of the files in the directory.
*
* @param path the requested relative path
*/
public String []list(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).list();
}
/**
* Creates the named directory.
*
* @param path the requested relative path
*
* @return true if the creation succeeded.
*/
public boolean mkdir(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).mkdir();
}
/**
* Removes the named directory.
*
* @param path the requested relative path
*
* @return true if the remove succeeded.
*/
public boolean rmdir(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).remove();
}
/**
* Deletes the file
*
* @param path the requested relative path
*
* @return true if the remove succeeded.
*/
public boolean remove(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).remove();
}
/**
* Opens an OutputStream for writing.
*
* @param path the requested relative path
*
* @return the output stream to the resource.
*/
public OutputStream openWrite(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).openWrite();
}
/**
* Opens an InputStream for reading
*
* @param path the requested relative path
*
* @return the input stream to the resource.
*/
public InputStream openRead(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
return getPath(path, request, app).openRead();
}
/**
* Returns the underlying path.
*/
protected Path getPath(String path,
HttpServletRequest request,
ServletContext app)
throws IOException
{
Path appDir = ((WebApp) app).getRootDirectory();
return appDir.lookup("./" + path);
}
}