Mercurial > hg > blitz_condensed
diff src/com/go/trove/classfile/TestClassFileRead.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
---|---|
date | Sat, 21 Mar 2009 11:00:06 +0000 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/com/go/trove/classfile/TestClassFileRead.java Sat Mar 21 11:00:06 2009 +0000 @@ -0,0 +1,228 @@ +/* ==================================================================== + * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group + * ==================================================================== + * The Tea Software License, Version 1.1 + * + * Copyright (c) 2000 Walt Disney Internet Group. 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 acknowledgment: + * "This product includes software developed by the + * Walt Disney Internet Group (http://opensource.go.com/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact opensource@dig.com. + * + * 5. Products derived from this software may not be called "Tea", + * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", + * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior + * written permission of the Walt Disney Internet 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 WALT DISNEY INTERNET GROUP 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. + * ==================================================================== + * + * For more information about Tea, please see http://opensource.go.com/. + */ + +package com.go.trove.classfile; + +import java.io.*; + +/****************************************************************************** + * Reads a class file and prints out its contents. + * + * @author Brian S O'Neill + * @version + * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 00/12/27 <!-- $--> + */ +public class TestClassFileRead { + /** + * @param args first argument is path to class file. + */ + public static void main(String[] args) throws Exception { + InputStream in = new FileInputStream(args[0]); + in = new BufferedInputStream(in); + + ClassFileDataLoader loader = new ResourceClassFileDataLoader(); + + ClassFile cf = ClassFile.readFrom(in, loader, null); + in.close(); + + while (cf.getOuterClass() != null) { + cf = cf.getOuterClass(); + } + + dump(cf); + } + + private static void dump(ClassFile cf) { + dump(cf, ""); + } + + private static void dump(ClassFile cf, String indent) { + println(cf, indent); + println("className: " + cf.getClassName(), indent); + println("superClassName: " + cf.getSuperClassName(), indent); + println("innerClass: " + cf.isInnerClass(), indent); + println("innerClassName: " + cf.getInnerClassName(), indent); + println("type: " + cf.getType(), indent); + println("accessFlags: " + cf.getAccessFlags(), indent); + + String[] interfaces = cf.getInterfaces(); + print("interfaces: ", indent); + for (int i=0; i<interfaces.length; i++) { + if (i > 0) { + System.out.print(", "); + } + System.out.print(interfaces[i]); + } + println(); + + FieldInfo[] fields = cf.getFields(); + println("fields: ", indent); + for (int i=0; i<fields.length; i++) { + dump(fields[i], indent + " "); + } + + MethodInfo[] methods = cf.getMethods(); + println("methods: ", indent); + for (int i=0; i<methods.length; i++) { + dump(methods[i], indent + " "); + } + + methods = cf.getConstructors(); + println("constructors: ", indent); + for (int i=0; i<methods.length; i++) { + dump(methods[i], indent + " "); + } + + MethodInfo init = cf.getInitializer(); + println("initializer: ", indent); + if (init != null) { + dump(init, indent + " "); + } + + ClassFile[] innerClasses = cf.getInnerClasses(); + println("innerClasses: ", indent); + for (int i=0; i<innerClasses.length; i++) { + dump(innerClasses[i], indent + " "); + } + + println("sourceFile: " + cf.getSourceFile(), indent); + println("synthetic: " + cf.isSynthetic(), indent); + println("deprecated: " + cf.isDeprecated(), indent); + println("attributes: ", indent); + dump(cf.getAttributes(), indent + " "); + + println(); + } + + private static void dump(FieldInfo field, String indent) { + println(field, indent); + println("name: " + field.getName(), indent); + println("type: " + field.getType(), indent); + println("accessFlags: " + field.getAccessFlags(), indent); + println("constantValue: " + field.getConstantValue(), indent); + println("synthetic: " + field.isSynthetic(), indent); + println("deprecated: " + field.isDeprecated(), indent); + println("attributes: ", indent); + dump(field.getAttributes(), indent + " "); + + println(); + } + + private static void dump(MethodInfo method, String indent) { + println(method, indent); + println("name: " + method.getName(), indent); + println("methodDescriptor: " + method.getMethodDescriptor(), indent); + println("accessFlags: " + method.getAccessFlags(), indent); + + String[] exceptions = method.getExceptions(); + print("exceptions: ", indent); + for (int i=0; i<exceptions.length; i++) { + if (i > 0) { + System.out.print(", "); + } + System.out.print(exceptions[i]); + } + println(); + + if (method.getCodeAttr() != null) { + println("code:", indent); + + PrintWriter writer = new PrintWriter(System.out); + + TypeDescriptor[] paramTypes = + method.getMethodDescriptor().getParameterTypes(); + boolean isStatic = method.getAccessFlags().isStatic(); + + new CodeDisassembler(method).disassemble + (new CodeAssemblerPrinter(paramTypes, isStatic, + writer, indent + " ", null)); + + writer.flush(); + } + + println("synthetic: " + method.isSynthetic(), indent); + println("deprecated: " + method.isDeprecated(), indent); + println("attributes: ", indent); + dump(method.getAttributes(), indent + " "); + + println(); + } + + private static void dump(Attribute[] attributes, String indent) { + if (attributes == null) { + return; + } + for (int i=0; i<attributes.length; i++) { + Attribute attribute = attributes[i]; + println(attribute, indent); + Attribute[] subAttributes = attribute.getAttributes(); + if (subAttributes != null && subAttributes.length > 0) { + println("attributes: ", indent); + dump(subAttributes, indent + " "); + } + } + } + + private static void print(Object obj, String indent) { + System.out.print(indent); + System.out.print(obj); + } + + private static void println(Object obj, String indent) { + print(obj, indent); + println(); + } + + private static void println() { + System.out.println(); + } +}