/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.karaf.main.util;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URI;
import java.util.List;
import org.apache.karaf.util.maven.Parser;
/**
* Resolves local maven artifacts and raw file paths
*/
public class SimpleMavenResolver implements ArtifactResolver {
private final List<File> mavenRepos;
/**
*
* @param mavenRepos list of base dirs of maven repos that should be used when resolving maven artifacts
*/
public SimpleMavenResolver(List<File> mavenRepos) {
this.mavenRepos = mavenRepos;
}
/**
* Resolve from pax-url format for maven URIs to the file that is referenced by the URI
* The URI format is:
* mvn:<groupId>/<artifactId>/<version>/<type>/<classifier>
*
* If artifactUri does not match the Syntax the local file that corresponds to the path is returned
*
* @param artifactUri Maven artifact URI
* @return resolved URI
*/
public URI resolve(URI artifactUri) {
for (File bundleDir : mavenRepos) {
File file = findFile(bundleDir, artifactUri);
if (file != null) {
return file.toURI();
}
}
throw new RuntimeException("Could not resolve " + artifactUri);
}
private static File findFile(File dir, URI mvnUri) {
try {
String path = Parser.pathFromMaven(mvnUri.toString());
if (path.startsWith("file:")) {
path = path.substring("file:".length());
}
File theFile = new File(dir, path);
if (theFile.exists() && !theFile.isDirectory()) {
return theFile;
}
return null;
} catch (MalformedURLException e) {
return null;
}
}
}