/**
* Copyright (c) 2008-2011 Sonatype, Inc.
* All rights reserved. Includes the third-party code listed at http://www.sonatype.com/products/nexus/attributions.
*
* This program is free software: you can redistribute it and/or modify it only under the terms of the GNU Affero General
* Public License Version 3 as published by the Free Software Foundation.
*
* This program 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. See the GNU Affero General Public License Version 3
* for more details.
*
* You should have received a copy of the GNU Affero General Public License Version 3 along with this program. If not, see
* http://www.gnu.org/licenses.
*
* Sonatype Nexus (TM) Open Source Version is available from Sonatype, Inc. Sonatype and Sonatype Nexus are trademarks of
* Sonatype, Inc. Apache Maven is a trademark of the Apache Foundation. M2Eclipse is a trademark of the Eclipse Foundation.
* All other trademarks are the property of their respective owners.
*/
package org.sonatype.nexus.repositories.metadata;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.util.IOUtil;
import org.sonatype.nexus.proxy.IllegalOperationException;
import org.sonatype.nexus.proxy.ItemNotFoundException;
import org.sonatype.nexus.proxy.LocalStorageException;
import org.sonatype.nexus.proxy.StorageException;
import org.sonatype.nexus.proxy.item.ContentGenerator;
import org.sonatype.nexus.proxy.item.ContentLocator;
import org.sonatype.nexus.proxy.item.StorageFileItem;
import org.sonatype.nexus.proxy.item.StringContentLocator;
import org.sonatype.nexus.proxy.repository.Repository;
@Component( role = ContentGenerator.class, hint = NexusRepositoryMetadataContentGenerator.ID )
public class NexusRepositoryMetadataContentGenerator
implements ContentGenerator
{
public static final String ID = "NexusRepositoryMetadataContentGenerator";
@Override
public String getGeneratorId()
{
return ID;
}
@Override
public ContentLocator generateContent( Repository repository, String path, StorageFileItem item )
throws IllegalOperationException, ItemNotFoundException, StorageException
{
ByteArrayOutputStream bos = new ByteArrayOutputStream();
InputStream is = null;
try
{
is = item.getInputStream();
IOUtil.copy( is, bos );
String body = new String( bos.toByteArray(), "UTF-8" );
StringContentLocator result = null;
if ( item.getItemContext().getRequestAppRootUrl() != null )
{
String appRootUrl = item.getItemContext().getRequestAppRootUrl();
// trim last slash NEXUS-1736
if ( appRootUrl.endsWith( "/" ) )
{
appRootUrl = appRootUrl.substring( 0, appRootUrl.length() - 1 );
}
result = new StringContentLocator( body.replace( "@rootUrl@", appRootUrl ) );
}
else
{
result = new StringContentLocator( body.replace( "@rootUrl@", "" ) );
}
item.setLength( result.getByteArray().length );
return result;
}
catch ( IOException e )
{
throw new LocalStorageException( e );
}
finally
{
IOUtil.close( is );
}
}
}