001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.java.bytecode; 021 022 import java.io.File; 023 import java.util.Arrays; 024 import java.util.Collection; 025 import java.util.List; 026 027 import org.slf4j.Logger; 028 import org.slf4j.LoggerFactory; 029 import org.sonar.java.bytecode.loader.SquidClassLoader; 030 031 import com.google.common.collect.Lists; 032 033 public final class ClassLoaderBuilder { 034 035 private static final Logger LOG = LoggerFactory.getLogger(ClassLoaderBuilder.class); 036 037 private ClassLoaderBuilder() { 038 // only static methods 039 } 040 041 public static ClassLoader create(Collection<File> bytecodeFilesOrDirectories) { 042 List<File> files = Lists.newArrayList(); 043 for (File file : bytecodeFilesOrDirectories) { 044 if (file.isFile() && file.getPath().endsWith(".class")) { 045 LOG.info("Sonar Squid ClassLoader was expecting a JAR file instead of CLASS file : '" + file.getAbsolutePath() + "'"); 046 } else { 047 files.add(file); 048 } 049 } 050 051 if (LOG.isDebugEnabled()) { 052 LOG.debug("----- Classpath analyzed by Squid:"); 053 for (File file : files) { 054 LOG.debug(file.getAbsolutePath()); 055 } 056 LOG.debug("-----"); 057 } 058 059 try { 060 return new SquidClassLoader(files); 061 } catch (Exception e) { 062 throw new IllegalStateException("Can not create ClassLoader", e); 063 } 064 } 065 066 /** 067 * For tests. 068 */ 069 public static ClassLoader create(File bytecodeFileOrDirectory) { 070 return create(Arrays.asList(bytecodeFileOrDirectory)); 071 } 072 073 }