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PlexusIoVirtualFileResource.java
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/*
* Copyright 2014 The Codehaus Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.codehaus.plexus.archiver.resources;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import javax.annotation.Nonnull;
import org.codehaus.plexus.components.io.attributes.AttributeUtils;
import org.codehaus.plexus.components.io.attributes.PlexusIoResourceAttributes;
import org.codehaus.plexus.components.io.functions.ResourceAttributeSupplier;
import org.codehaus.plexus.components.io.resources.AbstractPlexusIoResource;
/**
* A file resource that does not necessarily exist (anywhere).
*/
public class PlexusIoVirtualFileResource
extends AbstractPlexusIoResource
implements ResourceAttributeSupplier
{
private final File file;
protected PlexusIoVirtualFileResource( File file, String name )
{
super( name, file.lastModified(), file.length(), file.isFile(), file.isDirectory(), file.exists() );
this.file = file;
}
protected static String getName( File file )
{
return file.getPath().replace( '\\', '/' );
}
/**
* Returns the resources file.
*/
public File getFile()
{
return file;
}
@Nonnull
@Override
public InputStream getContents()
throws IOException
{
throw new UnsupportedOperationException( "We're not really sure we can do this" );
//return new FileInputStream( getFile() );
}
@Override
public URL getURL()
throws IOException
{
return getFile().toURI().toURL();
}
@Override
public long getSize()
{
return getFile().length();
}
@Override
public boolean isDirectory()
{
return getFile().isDirectory();
}
@Override
public boolean isExisting()
{
return getFile().exists();
}
@Override
public boolean isFile()
{
return getFile().isFile();
}
@Override
public PlexusIoResourceAttributes getAttributes()
{
return null;
}
@Override
public long getLastModified()
{
if ( file.exists() )
{
return AttributeUtils.getLastModified( getFile() );
}
else
{
return System.currentTimeMillis();
}
}
@Override public boolean isSymbolicLink()
{
return getAttributes().isSymbolicLink();
}
}