org.eclipse.jetty.util.resource.BadResource Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ehcache Show documentation
Show all versions of ehcache Show documentation
Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util.resource;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
/* ------------------------------------------------------------ */
/** Bad Resource.
*
* A Resource that is returned for a bade URL. Acts as a resource
* that does not exist and throws appropriate exceptions.
*
*
*/
class BadResource extends URLResource
{
/* ------------------------------------------------------------ */
private String _message=null;
/* -------------------------------------------------------- */
BadResource(URL url, String message)
{
super(url,null);
_message=message;
}
/* -------------------------------------------------------- */
@Override
public boolean exists()
{
return false;
}
/* -------------------------------------------------------- */
@Override
public long lastModified()
{
return -1;
}
/* -------------------------------------------------------- */
@Override
public boolean isDirectory()
{
return false;
}
/* --------------------------------------------------------- */
@Override
public long length()
{
return -1;
}
/* ------------------------------------------------------------ */
@Override
public File getFile()
{
return null;
}
/* --------------------------------------------------------- */
@Override
public InputStream getInputStream() throws IOException
{
throw new FileNotFoundException(_message);
}
/* --------------------------------------------------------- */
@Override
public OutputStream getOutputStream()
throws java.io.IOException, SecurityException
{
throw new FileNotFoundException(_message);
}
/* --------------------------------------------------------- */
@Override
public boolean delete()
throws SecurityException
{
throw new SecurityException(_message);
}
/* --------------------------------------------------------- */
@Override
public boolean renameTo( Resource dest)
throws SecurityException
{
throw new SecurityException(_message);
}
/* --------------------------------------------------------- */
@Override
public String[] list()
{
return null;
}
/* ------------------------------------------------------------ */
@Override
public void copyTo(File destination)
throws IOException
{
throw new SecurityException(_message);
}
/* ------------------------------------------------------------ */
@Override
public String toString()
{
return super.toString()+"; BadResource="+_message;
}
}