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 org.avaje.classpath.scanner.internal.scanner.classpath.jboss;
017
018import org.avaje.classpath.scanner.core.ClassPathScanException;
019import org.avaje.classpath.scanner.internal.scanner.classpath.UrlResolver;
020
021import java.io.IOException;
022import java.lang.reflect.Method;
023import java.net.URL;
024
025/**
026 * Resolves JBoss VFS v2 URLs into standard Java URLs.
027 */
028public class JBossVFSv2UrlResolver implements UrlResolver {
029  public URL toStandardJavaUrl(URL url) throws IOException {
030    try {
031      Class<?> vfsClass = Class.forName("org.jboss.virtual.VFS");
032      Class<?> vfsUtilsClass = Class.forName("org.jboss.virtual.VFSUtils");
033      Class<?> virtualFileClass = Class.forName("org.jboss.virtual.VirtualFile");
034
035      Method getRootMethod = vfsClass.getMethod("getRoot", URL.class);
036      Method getRealURLMethod = vfsUtilsClass.getMethod("getRealURL", virtualFileClass);
037
038      Object root = getRootMethod.invoke(null, url);
039      return (URL) getRealURLMethod.invoke(null, root);
040    } catch (Exception e) {
041      throw new ClassPathScanException("JBoss VFS v2 call failed", e);
042    }
043  }
044}