1 /* 2 * ModeShape (http://www.modeshape.org) 3 * See the COPYRIGHT.txt file distributed with this work for information 4 * regarding copyright ownership. Some portions may be licensed 5 * to Red Hat, Inc. under one or more contributor license agreements. 6 * See the AUTHORS.txt file in the distribution for a full listing of 7 * individual contributors. 8 * 9 * ModeShape is free software. Unless otherwise indicated, all code in ModeShape 10 * is licensed to you under the terms of the GNU Lesser General Public License as 11 * published by the Free Software Foundation; either version 2.1 of 12 * the License, or (at your option) any later version. 13 * 14 * ModeShape is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with this software; if not, write to the Free 21 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 22 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 23 */ 24 package org.modeshape.sequencer.classfile.metadata; 25 26 import java.io.DataInputStream; 27 import java.io.InputStream; 28 import javassist.bytecode.AccessFlag; 29 import javassist.bytecode.ClassFile; 30 31 /** 32 * Utility for extracting metadata from Java class files 33 */ 34 public class ClassFileMetadataReader { 35 36 public static ClassMetadata instance( InputStream stream ) throws Exception { 37 ClassFile clazz = new ClassFile(new DataInputStream(stream)); 38 39 if ((AccessFlag.ENUM & clazz.getAccessFlags()) == AccessFlag.ENUM) { 40 return new EnumMetadata(clazz); 41 } 42 43 return new ClassMetadata(clazz); 44 } 45 }