jjg@46: /* jjg@1521: * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. jjg@46: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. jjg@46: * jjg@46: * This code is free software; you can redistribute it and/or modify it jjg@46: * under the terms of the GNU General Public License version 2 only, as ohair@554: * published by the Free Software Foundation. Oracle designates this jjg@46: * particular file as subject to the "Classpath" exception as provided ohair@554: * by Oracle in the LICENSE file that accompanied this code. jjg@46: * jjg@46: * This code is distributed in the hope that it will be useful, but WITHOUT jjg@46: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or jjg@46: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License jjg@46: * version 2 for more details (a copy is included in the LICENSE file that jjg@46: * accompanied this code). jjg@46: * jjg@46: * You should have received a copy of the GNU General Public License version jjg@46: * 2 along with this work; if not, write to the Free Software Foundation, jjg@46: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. jjg@46: * ohair@554: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA ohair@554: * or visit www.oracle.com if you need additional information or have any ohair@554: * questions. jjg@46: */ jjg@46: jjg@46: package com.sun.tools.classfile; jjg@46: jjg@46: import java.io.IOException; jjg@46: import java.lang.reflect.Constructor; jjg@46: import java.util.HashMap; jjg@46: import java.util.Map; jjg@46: jjg@46: /** jjg@581: *
This is NOT part of any supported API.
jjg@581: * If you write code that depends on this, you do so at your own risk.
jjg@46: * This code and its internal interfaces are subject to change or
jjg@46: * deletion without notice.
jjg@46: */
jjg@46:
jjg@46: public abstract class Attribute {
jjg@46: public static final String AnnotationDefault = "AnnotationDefault";
ksrini@826: public static final String BootstrapMethods = "BootstrapMethods";
jjg@46: public static final String CharacterRangeTable = "CharacterRangeTable";
jjg@46: public static final String Code = "Code";
jjg@46: public static final String ConstantValue = "ConstantValue";
jjg@46: public static final String CompilationID = "CompilationID";
jjg@46: public static final String Deprecated = "Deprecated";
jjg@46: public static final String EnclosingMethod = "EnclosingMethod";
jjg@46: public static final String Exceptions = "Exceptions";
jjg@46: public static final String InnerClasses = "InnerClasses";
jjg@46: public static final String LineNumberTable = "LineNumberTable";
jjg@46: public static final String LocalVariableTable = "LocalVariableTable";
jjg@46: public static final String LocalVariableTypeTable = "LocalVariableTypeTable";
jjg@1473: public static final String MethodParameters = "MethodParameters";
jjg@46: public static final String RuntimeVisibleAnnotations = "RuntimeVisibleAnnotations";
jjg@46: public static final String RuntimeInvisibleAnnotations = "RuntimeInvisibleAnnotations";
jjg@46: public static final String RuntimeVisibleParameterAnnotations = "RuntimeVisibleParameterAnnotations";
jjg@46: public static final String RuntimeInvisibleParameterAnnotations = "RuntimeInvisibleParameterAnnotations";
jjg@1521: public static final String RuntimeVisibleTypeAnnotations = "RuntimeVisibleTypeAnnotations";
jjg@1521: public static final String RuntimeInvisibleTypeAnnotations = "RuntimeInvisibleTypeAnnotations";
jjg@46: public static final String Signature = "Signature";
jjg@46: public static final String SourceDebugExtension = "SourceDebugExtension";
jjg@46: public static final String SourceFile = "SourceFile";
jjg@46: public static final String SourceID = "SourceID";
jjg@46: public static final String StackMap = "StackMap";
jjg@46: public static final String StackMapTable = "StackMapTable";
jjg@46: public static final String Synthetic = "Synthetic";
jjg@46:
jjg@46: public static class Factory {
jjg@46: public Factory() {
jjg@46: // defer init of standardAttributeClasses until after options set up
jjg@46: }
jjg@46:
jjg@46: public Attribute createAttribute(ClassReader cr, int name_index, byte[] data)
jjg@46: throws IOException {
vromero@1874: if (standardAttributes == null) {
jjg@46: init();
vromero@1874: }
jjg@46:
jjg@46: ConstantPool cp = cr.getConstantPool();
vromero@1874: String reasonForDefaultAttr;
jjg@46: try {
jjg@46: String name = cp.getUTF8Value(name_index);
jjg@46: Class extends Attribute> attrClass = standardAttributes.get(name);
jjg@46: if (attrClass != null) {
jjg@46: try {
jjg@46: Class>[] constrArgTypes = {ClassReader.class, int.class, int.class};
jjg@46: Constructor extends Attribute> constr = attrClass.getDeclaredConstructor(constrArgTypes);
jjg@46: return constr.newInstance(new Object[] { cr, name_index, data.length });
jjg@46: } catch (Throwable t) {
vromero@1874: reasonForDefaultAttr = t.toString();
jjg@46: // fall through and use DefaultAttribute
jjg@46: // t.printStackTrace();
jjg@46: }
vromero@1874: } else {
vromero@1874: reasonForDefaultAttr = "unknown attribute";
jjg@46: }
jjg@46: } catch (ConstantPoolException e) {
vromero@1874: reasonForDefaultAttr = e.toString();
jjg@46: // fall through and use DefaultAttribute
jjg@46: }
vromero@1874: return new DefaultAttribute(cr, name_index, data, reasonForDefaultAttr);
jjg@46: }
jjg@46:
jjg@46: protected void init() {
jjg@46: standardAttributes = new HashMap