Apache BCEL Source Code Files
Apache BCEL Source Code Files are inside the Apache BCEL source package file
like bcel-6.6.1-src.zip.
Unzip the source package file and go to the "src/main" sub-directory,
you will see source code files.
Here is the list of Java source code files of the Apache BCEL 6.6.1 in \Users\fyicenter\bcel-6.6.1\src:
✍: FYIcenter
⏎ org/apache/bcel/util/AttributeHTML.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.bcel.util;
import java.io.Closeable;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import org.apache.bcel.Const;
import org.apache.bcel.classfile.Attribute;
import org.apache.bcel.classfile.Code;
import org.apache.bcel.classfile.CodeException;
import org.apache.bcel.classfile.ConstantPool;
import org.apache.bcel.classfile.ConstantValue;
import org.apache.bcel.classfile.ExceptionTable;
import org.apache.bcel.classfile.InnerClass;
import org.apache.bcel.classfile.InnerClasses;
import org.apache.bcel.classfile.LineNumber;
import org.apache.bcel.classfile.LineNumberTable;
import org.apache.bcel.classfile.LocalVariableTable;
import org.apache.bcel.classfile.SourceFile;
import org.apache.bcel.classfile.Utility;
/**
* Convert found attributes into HTML file.
*/
final class AttributeHTML implements Closeable {
private final String className; // name of current class
private final PrintWriter printWriter; // file to write to
private int attrCount;
private final ConstantHTML constantHtml;
private final ConstantPool constantPool;
AttributeHTML(final String dir, final String className, final ConstantPool constantPool, final ConstantHTML constantHtml, final Charset charset)
throws FileNotFoundException, UnsupportedEncodingException {
this.className = className;
this.constantPool = constantPool;
this.constantHtml = constantHtml;
printWriter = new PrintWriter(dir + className + "_attributes.html", charset.name());
printWriter.print("<HTML><head><meta charset=\"");
printWriter.print(charset.name());
printWriter.println("\"></head>");
printWriter.println("<BODY BGCOLOR=\"#C0C0C0\"><TABLE BORDER=0>");
}
@Override
public void close() {
printWriter.println("</TABLE></BODY></HTML>");
printWriter.close();
}
private String codeLink(final int link, final int methodNumber) {
return "<A HREF=\"" + className + "_code.html#code" + methodNumber + "@" + link + "\" TARGET=Code>" + link + "</A>";
}
void writeAttribute(final Attribute attribute, final String anchor) {
writeAttribute(attribute, anchor, 0);
}
void writeAttribute(final Attribute attribute, final String anchor, final int methodNumber) {
final byte tag = attribute.getTag();
int index;
if (tag == Const.ATTR_UNKNOWN) {
return;
}
attrCount++; // Increment number of attributes found so far
if (attrCount % 2 == 0) {
printWriter.print("<TR BGCOLOR=\"#C0C0C0\"><TD>");
} else {
printWriter.print("<TR BGCOLOR=\"#A0A0A0\"><TD>");
}
printWriter.println("<H4><A NAME=\"" + anchor + "\">" + attrCount + " " + Const.getAttributeName(tag) + "</A></H4>");
/*
* Handle different attributes
*/
switch (tag) {
case Const.ATTR_CODE:
final Code c = (Code) attribute;
// Some directly printable values
printWriter.print("<UL><LI>Maximum stack size = " + c.getMaxStack() + "</LI>\n<LI>Number of local variables = " + c.getMaxLocals()
+ "</LI>\n<LI><A HREF=\"" + className + "_code.html#method" + methodNumber + "\" TARGET=Code>Byte code</A></LI></UL>\n");
// Get handled exceptions and list them
final CodeException[] ce = c.getExceptionTable();
final int len = ce.length;
if (len > 0) {
printWriter.print("<P><B>Exceptions handled</B><UL>");
for (final CodeException cex : ce) {
final int catchType = cex.getCatchType(); // Index in constant pool
printWriter.print("<LI>");
if (catchType != 0) {
printWriter.print(constantHtml.referenceConstant(catchType)); // Create Link to _cp.html
} else {
printWriter.print("Any Exception");
}
printWriter.print("<BR>(Ranging from lines " + codeLink(cex.getStartPC(), methodNumber) + " to " + codeLink(cex.getEndPC(), methodNumber)
+ ", handled at line " + codeLink(cex.getHandlerPC(), methodNumber) + ")</LI>");
}
printWriter.print("</UL>");
}
break;
case Const.ATTR_CONSTANT_VALUE:
index = ((ConstantValue) attribute).getConstantValueIndex();
// Reference _cp.html
printWriter
.print("<UL><LI><A HREF=\"" + className + "_cp.html#cp" + index + "\" TARGET=\"ConstantPool\">Constant value index(" + index + ")</A></UL>\n");
break;
case Const.ATTR_SOURCE_FILE:
index = ((SourceFile) attribute).getSourceFileIndex();
// Reference _cp.html
printWriter
.print("<UL><LI><A HREF=\"" + className + "_cp.html#cp" + index + "\" TARGET=\"ConstantPool\">Source file index(" + index + ")</A></UL>\n");
break;
case Const.ATTR_EXCEPTIONS:
// List thrown exceptions
final int[] indices = ((ExceptionTable) attribute).getExceptionIndexTable();
printWriter.print("<UL>");
for (final int indice : indices) {
printWriter
.print("<LI><A HREF=\"" + className + "_cp.html#cp" + indice + "\" TARGET=\"ConstantPool\">Exception class index(" + indice + ")</A>\n");
}
printWriter.print("</UL>\n");
break;
case Const.ATTR_LINE_NUMBER_TABLE:
final LineNumber[] lineNumbers = ((LineNumberTable) attribute).getLineNumberTable();
// List line number pairs
printWriter.print("<P>");
for (int i = 0; i < lineNumbers.length; i++) {
printWriter.print("(" + lineNumbers[i].getStartPC() + ", " + lineNumbers[i].getLineNumber() + ")");
if (i < lineNumbers.length - 1) {
printWriter.print(", "); // breakable
}
}
break;
case Const.ATTR_LOCAL_VARIABLE_TABLE:
// List name, range and type
printWriter.print("<UL>");
((LocalVariableTable) attribute).forEach(var -> {
final int sigIdx = var.getSignatureIndex();
String signature = constantPool.getConstantUtf8(sigIdx).getBytes();
signature = Utility.signatureToString(signature, false);
final int start = var.getStartPC();
final int end = start + var.getLength();
printWriter.println("<LI>" + Class2HTML.referenceType(signature) + " <B>" + var.getName() + "</B> in slot %" + var.getIndex()
+ "<BR>Valid from lines " + "<A HREF=\"" + className + "_code.html#code" + methodNumber + "@" + start + "\" TARGET=Code>" + start
+ "</A> to " + "<A HREF=\"" + className + "_code.html#code" + methodNumber + "@" + end + "\" TARGET=Code>" + end + "</A></LI>");
});
printWriter.print("</UL>\n");
break;
case Const.ATTR_INNER_CLASSES:
// List inner classes
printWriter.print("<UL>");
for (final InnerClass clazz : ((InnerClasses) attribute).getInnerClasses()) {
final String name;
final String access;
index = clazz.getInnerNameIndex();
if (index > 0) {
name = constantPool.getConstantUtf8(index).getBytes();
} else {
name = "<anonymous>";
}
access = Utility.accessToString(clazz.getInnerAccessFlags());
printWriter.print("<LI><FONT COLOR=\"#FF0000\">" + access + "</FONT> " + constantHtml.referenceConstant(clazz.getInnerClassIndex())
+ " in class " + constantHtml.referenceConstant(clazz.getOuterClassIndex()) + " named " + name + "</LI>\n");
}
printWriter.print("</UL>\n");
break;
default: // Such as Unknown attribute or Deprecated
printWriter.print("<P>" + attribute);
}
printWriter.println("</TD></TR>");
printWriter.flush();
}
}
⏎ org/apache/bcel/util/AttributeHTML.java
Or download all of them as a single archive file:
File name: bcel-6.6.1-sources.jar File size: 688374 bytes Release date: 2022-09-18 Download
⇒ Install Apache BCEL 6.5.0 Binary Package
⇐ Download and Install Apache BCEL Source Package
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