/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.tools.ant.taskdefs.optional.extension.resolvers;
import java.io.File;
import java.net.URL;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Get;
import org.apache.tools.ant.taskdefs.optional.extension.Extension;
import org.apache.tools.ant.taskdefs.optional.extension.ExtensionResolver;
/**
* Resolver that just returns s specified location.
*
* @author <a href="mailto:peter@apache.org">Peter Donald</a>
* @author <a href="mailto:jeff@socialchange.net.au">Jeff Turner</>
* @version $Revision: 1.2.2.1 $ $Date: 2002/05/01 11:53:43 $
*/
public class URLResolver
implements ExtensionResolver
{
private File m_destfile;
private File m_destdir;
private URL m_url;
public void setUrl( final URL url )
{
m_url = url;
}
public void setDestfile( final File destfile )
{
m_destfile = destfile;
}
public void setDestdir( final File destdir )
{
m_destdir = destdir;
}
public File resolve( final Extension extension,
final Project project )
throws BuildException
{
validate();
final File file = getDest();
final Get get = (Get)project.createTask( "get" );
get.setDest( file );
get.setSrc( m_url );
get.execute();
return file;
}
private File getDest()
{
if( null != m_destfile )
{
return m_destfile;
}
else
{
final String file = m_url.getFile();
String filename = null;
if( null == file || file.length() <= 1 )
{
filename = "default.file";
}
else
{
int index = file.lastIndexOf( '/' );
if( -1 == index )
{
index = 0;
}
filename = file.substring( index );
}
return new File( m_destdir, filename );
}
}
private void validate()
{
if( null == m_url )
{
final String message = "Must specify URL";
throw new BuildException( message );
}
if( null == m_destdir && null == m_destfile )
{
final String message = "Must specify destination file or directory";
throw new BuildException( message );
}
else if( null != m_destdir && null != m_destfile )
{
final String message = "Must not specify both destination file or directory";
throw new BuildException( message );
}
}
public String toString()
{
return "URL[" + m_url + "]";
}
}