|
|
|
@@ -1,154 +0,0 @@ |
|
|
|
/* |
|
|
|
* Copyright (C) The Apache Software Foundation. All rights reserved. |
|
|
|
* |
|
|
|
* This software is published under the terms of the Apache Software License |
|
|
|
* version 1.1, a copy of which has been included with this distribution in |
|
|
|
* the LICENSE.txt file. |
|
|
|
*/ |
|
|
|
package org.apache.tools.ant.taskdefs; |
|
|
|
|
|
|
|
import java.io.File; |
|
|
|
import java.io.FileInputStream; |
|
|
|
import java.io.FileOutputStream; |
|
|
|
import java.io.IOException; |
|
|
|
import java.io.InputStream; |
|
|
|
import java.io.OutputStream; |
|
|
|
import org.apache.avalon.excalibur.io.IOUtil; |
|
|
|
import org.apache.myrmidon.api.AbstractTask; |
|
|
|
import org.apache.myrmidon.api.TaskException; |
|
|
|
|
|
|
|
/** |
|
|
|
* Abstract Base class for unpack tasks. |
|
|
|
* |
|
|
|
* @author <a href="mailto:umagesh@rediffmail.com">Magesh Umasankar</a> |
|
|
|
* @author <a href="mailto:peter@apache.org">Peter Donald</a> |
|
|
|
* @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> |
|
|
|
*/ |
|
|
|
public abstract class Unpack |
|
|
|
extends AbstractTask |
|
|
|
{ |
|
|
|
private File m_dest; |
|
|
|
private File m_src; |
|
|
|
|
|
|
|
public void setDest( final File dest ) |
|
|
|
{ |
|
|
|
m_dest = dest; |
|
|
|
} |
|
|
|
|
|
|
|
public void setSrc( final File src ) |
|
|
|
{ |
|
|
|
m_src = src; |
|
|
|
} |
|
|
|
|
|
|
|
public void execute() |
|
|
|
throws TaskException |
|
|
|
{ |
|
|
|
validate(); |
|
|
|
|
|
|
|
final File source = getSrc(); |
|
|
|
final File dest = getDest(); |
|
|
|
|
|
|
|
if( source.lastModified() > dest.lastModified() ) |
|
|
|
{ |
|
|
|
final String message = "Expanding " + source.getAbsolutePath() + |
|
|
|
" to " + dest.getAbsolutePath(); |
|
|
|
getLogger().info( message ); |
|
|
|
|
|
|
|
extract(); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
protected abstract String getDefaultExtension(); |
|
|
|
|
|
|
|
protected abstract InputStream getUnpackingStream( InputStream input ) |
|
|
|
throws TaskException, IOException; |
|
|
|
|
|
|
|
private void extract() |
|
|
|
throws TaskException |
|
|
|
{ |
|
|
|
OutputStream output = null; |
|
|
|
InputStream input = null; |
|
|
|
InputStream fileInput = null; |
|
|
|
try |
|
|
|
{ |
|
|
|
output = new FileOutputStream( getDest() ); |
|
|
|
fileInput = new FileInputStream( getSrc() ); |
|
|
|
input = getUnpackingStream( fileInput ); |
|
|
|
IOUtil.copy( input, output ); |
|
|
|
} |
|
|
|
catch( final IOException ioe ) |
|
|
|
{ |
|
|
|
final String message = "Problem expanding " + getSrc() + |
|
|
|
":" + ioe.getMessage(); |
|
|
|
throw new TaskException( message, ioe ); |
|
|
|
} |
|
|
|
finally |
|
|
|
{ |
|
|
|
IOUtil.shutdownStream( fileInput ); |
|
|
|
IOUtil.shutdownStream( output ); |
|
|
|
IOUtil.shutdownStream( input ); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
private File createDestFile() |
|
|
|
{ |
|
|
|
final String extension = getDefaultExtension(); |
|
|
|
final String sourceName = m_src.getName(); |
|
|
|
final int length = sourceName.length(); |
|
|
|
final int index = length - extension.length(); |
|
|
|
|
|
|
|
if( null != extension && |
|
|
|
length > extension.length() && |
|
|
|
extension.equalsIgnoreCase( sourceName.substring( index ) ) ) |
|
|
|
{ |
|
|
|
final String child = sourceName.substring( 0, index ); |
|
|
|
return new File( m_dest, child ); |
|
|
|
} |
|
|
|
else |
|
|
|
{ |
|
|
|
return new File( m_dest, sourceName ); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
private void validate() |
|
|
|
throws TaskException |
|
|
|
{ |
|
|
|
if( null == m_src ) |
|
|
|
{ |
|
|
|
final String message = "No Src for " + getName() + " specified"; |
|
|
|
throw new TaskException( message ); |
|
|
|
} |
|
|
|
|
|
|
|
if( !m_src.exists() ) |
|
|
|
{ |
|
|
|
final String message = "Src doesn't exist"; |
|
|
|
throw new TaskException( message ); |
|
|
|
} |
|
|
|
|
|
|
|
if( m_src.isDirectory() ) |
|
|
|
{ |
|
|
|
final String message = "Cannot expand a directory"; |
|
|
|
throw new TaskException( message ); |
|
|
|
} |
|
|
|
|
|
|
|
if( null == m_dest ) |
|
|
|
{ |
|
|
|
m_dest = new File( m_src.getParent() ); |
|
|
|
} |
|
|
|
|
|
|
|
if( m_dest.isDirectory() ) |
|
|
|
{ |
|
|
|
m_dest = createDestFile(); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
protected final File getDest() |
|
|
|
{ |
|
|
|
return m_dest; |
|
|
|
} |
|
|
|
|
|
|
|
protected final File getSrc() |
|
|
|
{ |
|
|
|
return m_src; |
|
|
|
} |
|
|
|
} |
Peter Donald