MavenUrlResolver.java

/**
 * Copyright 2017 Linagora, Université Joseph Fourier, Floralis
 *
 * The present code is developed in the scope of the joint LINAGORA -
 * Université Joseph Fourier - Floralis research program and is designated
 * as a "Result" pursuant to the terms and conditions of the LINAGORA
 * - Université Joseph Fourier - Floralis research program. Each copyright
 * holder of Results enumerated here above fully & independently holds complete
 * ownership of the complete Intellectual Property rights applicable to the whole
 * of said Results, and may freely exploit it in any manner which does not infringe
 * the moral rights of the other copyright holders.
 *
 * 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 net.roboconf.dm.rest.services.internal.utils;

import java.io.File;
import java.io.IOException;
import java.util.logging.Logger;

import org.ops4j.pax.url.mvn.MavenResolver;

import net.roboconf.core.urlresolvers.DefaultUrlResolver;

/**
 * @author Vincent Zurczak - Linagora
 */
public class MavenUrlResolver extends DefaultUrlResolver {

	private final Logger logger = Logger.getLogger( getClass().getName());
	private final MavenResolver mavenResolver;


	/**
	 * Constructor.
	 * @param mavenResolver
	 */
	public MavenUrlResolver( MavenResolver mavenResolver ) {
		this.mavenResolver = mavenResolver;
	}


	@Override
	public ResolvedFile resolve( String url ) throws IOException {

		ResolvedFile resolvedFile;
		if( url.toLowerCase().startsWith( "mvn:" )) {
			if( this.mavenResolver == null )
				throw new IOException( "No Maven resolver was available." );

			this.logger.fine( "Resolving a Maven URL: " + url );
			File f = this.mavenResolver.resolve( url );
			resolvedFile = new ResolvedFile( f, false );

		} else {
			resolvedFile = super.resolve( url );
		}

		return resolvedFile;
	}
}