001/*
002  Copyright 2010-2016 Boxfuse GmbH
003  <p/>
004  Licensed under the Apache License, Version 2.0 (the "License");
005  you may not use this file except in compliance with the License.
006  You may obtain a copy of the License at
007  <p/>
008  http://www.apache.org/licenses/LICENSE-2.0
009  <p/>
010  Unless required by applicable law or agreed to in writing, software
011  distributed under the License is distributed on an "AS IS" BASIS,
012  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013  See the License for the specific language governing permissions and
014  limitations under the License.
015 */
016package io.avaje.classpath.scanner.internal.scanner.classpath.jboss;
017
018import io.avaje.classpath.scanner.internal.scanner.classpath.UrlResolver;
019
020import java.lang.reflect.Method;
021import java.net.URL;
022
023/**
024 * Resolves JBoss VFS v2 URLs into standard Java URLs.
025 */
026public class JBossVFSv2UrlResolver implements UrlResolver {
027  public URL toStandardJavaUrl(URL url) {
028    try {
029      Class<?> vfsClass = Class.forName("org.jboss.virtual.VFS");
030      Class<?> vfsUtilsClass = Class.forName("org.jboss.virtual.VFSUtils");
031      Class<?> virtualFileClass = Class.forName("org.jboss.virtual.VirtualFile");
032
033      Method getRootMethod = vfsClass.getMethod("getRoot", URL.class);
034      Method getRealURLMethod = vfsUtilsClass.getMethod("getRealURL", virtualFileClass);
035
036      Object root = getRootMethod.invoke(null, url);
037      return (URL) getRealURLMethod.invoke(null, root);
038    } catch (Exception e) {
039      throw new RuntimeException("JBoss VFS v2 call failed", e);
040    }
041  }
042}