package org.apache.bcel.util; /* ==================================================================== * 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 acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software Foundation" and * "Apache BCEL" 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", * "Apache BCEL", nor may "Apache" appear in their name, without * prior written permission of the Apache Software Foundation. * * 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 * . */ import org.apache.bcel.classfile.*; import java.io.*; /** * Convert found attributes into HTML file. * * @version $Id: AttributeHTML.java,v 1.2 2002/06/04 11:16:21 mdahm Exp $ * @author M. Dahm * */ final class AttributeHTML implements org.apache.bcel.Constants { private String class_name; // name of current class private PrintWriter file; // file to write to private int attr_count = 0; private ConstantHTML constant_html; private ConstantPool constant_pool; AttributeHTML(String dir, String class_name, ConstantPool constant_pool, ConstantHTML constant_html) throws IOException { this.class_name = class_name; this.constant_pool = constant_pool; this.constant_html = constant_html; file = new PrintWriter(new FileOutputStream(dir + class_name + "_attributes.html")); file.println(""); } private final String codeLink(int link, int method_number) { return "" + link + ""; } final void close() { file.println("
"); file.close(); } final void writeAttribute(Attribute attribute, String anchor) throws IOException { writeAttribute(attribute, anchor, 0); } final void writeAttribute(Attribute attribute, String anchor, int method_number) throws IOException { byte tag = attribute.getTag(); int index; if(tag == ATTR_UNKNOWN) // Don't know what to do about this one return; attr_count++; // Increment number of attributes found so far if(attr_count % 2 == 0) file.print(""); else file.print(""); file.println("

" + attr_count + " " + ATTRIBUTE_NAMES[tag] + "

"); /* Handle different attributes */ switch(tag) { case ATTR_CODE: Code c = (Code)attribute; // Some directly printable values file.print("\n"); // Get handled exceptions and list them CodeException[] ce = c.getExceptionTable(); int len = ce.length; if(len > 0) { file.print("

Exceptions handled

"); } break; case ATTR_CONSTANT_VALUE: index = ((ConstantValue)attribute).getConstantValueIndex(); // Reference _cp.html file.print("\n"); break; case ATTR_SOURCE_FILE: index = ((SourceFile)attribute).getSourceFileIndex(); // Reference _cp.html file.print("\n"); break; case ATTR_EXCEPTIONS: // List thrown exceptions int[] indices = ((ExceptionTable)attribute).getExceptionIndexTable(); file.print("\n"); break; case ATTR_LINE_NUMBER_TABLE: LineNumber[] line_numbers =((LineNumberTable)attribute).getLineNumberTable(); // List line number pairs file.print("

"); for(int i=0; i < line_numbers.length; i++) { file.print("(" + line_numbers[i].getStartPC() + ", " + line_numbers[i].getLineNumber() + ")"); if(i < line_numbers.length - 1) file.print(", "); // breakable } break; case ATTR_LOCAL_VARIABLE_TABLE: LocalVariable[] vars = ((LocalVariableTable)attribute).getLocalVariableTable(); // List name, range and type file.print("

\n"); break; case ATTR_INNER_CLASSES: InnerClass[] classes = ((InnerClasses)attribute).getInnerClasses(); // List inner classes file.print("\n"); break; default: // Such as Unknown attribute or Deprecated file.print("

" + attribute.toString()); } file.println(""); file.flush(); } }