| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.tools.ant.taskdefs.optional.sitraka.bytecode.attributes; |
| |
| import java.io.*; |
| |
| import org.apache.tools.ant.taskdefs.optional.depend.constantpool.*; |
| import org.apache.tools.ant.taskdefs.optional.sitraka.bytecode.*; |
| |
| /** |
| * Attribute info structure that provides base methods |
| * |
| * @author <a href="sbailliez@imediation.com">Stephane Bailliez</a> |
| */ |
| public abstract class AttributeInfo { |
| |
| public final static String SOURCE_FILE = "SourceFile"; |
| |
| public final static String CONSTANT_VALUE = "ConstantValue"; |
| |
| public final static String CODE = "Code"; |
| |
| public final static String EXCEPTIONS = "Exceptions"; |
| |
| public final static String LINE_NUMBER_TABLE = "LineNumberTable"; |
| |
| public final static String LOCAL_VARIABLE_TABLE = "LocalVariableTable"; |
| |
| public final static String INNER_CLASSES = "InnerClasses"; |
| |
| public final static String SOURCE_DIR = "SourceDir"; |
| |
| public final static String SYNTHETIC = "Synthetic"; |
| |
| public final static String DEPRECATED = "Deprecated"; |
| |
| public final static String UNKNOWN = "Unknown"; |
| |
| protected int name_index; |
| |
| protected ConstantPool constantPool; |
| |
| protected AttributeInfo(int attr_index, ConstantPool pool){ |
| name_index = attr_index; |
| constantPool = pool; |
| } |
| |
| /** |
| * @param dis |
| * @throws IOException |
| */ |
| protected void read(DataInputStream dis) throws IOException { |
| int len = dis.readInt(); |
| dis.skipBytes(len); |
| } |
| |
| public String getName(){ |
| return Utils.getUTF8Value(constantPool, name_index); |
| } |
| |
| /** |
| * @param attr_index |
| * @param dis |
| * @param pool |
| */ |
| public static AttributeInfo newAttribute(int attr_index, DataInputStream dis, ConstantPool pool) throws IOException { |
| AttributeInfo attr = null; |
| final String name = Utils.getUTF8Value(pool, attr_index); |
| if (SOURCE_FILE.equals(name)){ |
| attr = new SourceFile(attr_index, pool); |
| } else if (CONSTANT_VALUE.equals(name)){ |
| attr = new ConstantValue(attr_index, pool); |
| } else if (CODE.equals(name)){ |
| attr = new Code(attr_index, pool); |
| } else if (EXCEPTIONS.equals(name)){ |
| attr = new Exceptions(attr_index, pool); |
| } else if (LINE_NUMBER_TABLE.equals(name)){ |
| attr = new LineNumberTable(attr_index, pool); |
| } else if (LOCAL_VARIABLE_TABLE.equals(name)){ |
| attr = new LocalVariableTable(attr_index, pool); |
| } else if (INNER_CLASSES.equals(name)){ |
| attr = new InnerClasses(attr_index, pool); |
| } else if (SOURCE_DIR.equals(name)){ |
| attr = new SourceDir(attr_index, pool); |
| } else if (SYNTHETIC.equals(name)){ |
| attr = new Synthetic(attr_index, pool); |
| } else if (DEPRECATED.equals(name)){ |
| attr = new Deprecated(attr_index, pool); |
| } else { |
| attr = new Unknown(attr_index, pool); |
| } |
| attr.read(dis); |
| return attr; |
| } |
| } |