cf
Class View

java.lang.Object
  cf.ClassFile
      cf.View

 class View
extends ClassFile

Class View views Java class files. This Java application is launched by the command

                java [-Dverbose] [-Dprint] cf.View [class] ...
 

where each class is given as a Java fully qualified class name or as a file name. If the file is a Java archive, all the class files in it are viewed. Unless the verbose system property is set, the constant pool is not viewed. If a Java Frame cannot be opened, or if the print system property is set, the classes are printed on the system standard output.

Note that when viewing Java 2 bootstrap classes, the oldjava launcher must be used.

Version:

$Id: View.java,v 1.61 2003/08/16 08:05:35 rl Exp $

Author:

Zvi Har’El

See Also:

Class source code

Nested Class Summary

Nested classes/interfaces inherited from class cf.ClassFile

ClassFile.ByteArray

Field Summary

private StringBuffer	buffer
private static Choice	choice
private short	cPConstantValue
private short	cPExceptions
private short	cPInnerClasses
private short	cPLineNumberTable
private short	cPLocalVariableTable
private short	cPSourceFile
private static Cursor	cursor
private static Frame	frame
private static String[]	newarray
private static String	nl
private static PrintStream	out
private static boolean	print
private static TextArea	text
private static boolean	verbose
private static Hashtable	views

Fields inherited from class cf.ClassFile

access, attributes, cP, cPCode, cPHash, fields, interfaces, major, methods, minor, superClass, thisClass

Constructor Summary

View()
Constructor.

View(InputStream in)
Constructor.

Method Summary

private void	escape(String s) Views a string using escape sequences.
private static int	magic(String s)
static void	main(String[] args)
(package private) void	print(String title, PrintStream out) Prints the class file.
(package private) String	view() Views the class file.
private void	view(byte[] b) Views an attribute.
private void	view(char v) Views a char.
private void	view(CodeAttribute ca) Views a code attribute.
private int	view(DataInputStream in, int pc) Views the byte code by reading it from an input stream.
private void	view(double v) Views a double.
private void	view(float v) Views a float.
private void	view(int v) Views a int.
private void	view(long v) Views a long.
private void	view(Long h) Views an exception handler.
private void	view(MemberInfo mi) Views a method or a field.
private void	view(short i) Views a constant.
private void	view(short i, boolean self) Views a constant recursively.
private void	view(String v) Views a string.
private static void	viewText(String s)

Methods inherited from class cf.ClassFile

addInterface, cp, cp, cp, cp, cp, cp, cp, cp, desc, desc, findClassInPath, findUTF8, getBytes, getClassFile, readAttribute, renameClass, setName, setSuper, strip, toUTF8, write, write, writeAttribute

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

newarray

private static final String[] newarray

nl

private static final String nl

out

private static final PrintStream out

print

private static final boolean print

verbose

private static final boolean verbose

choice

private static Choice choice

cursor

private static Cursor cursor

views

private static Hashtable views

frame

private static Frame frame

text

private static TextArea text

cPConstantValue

private final short cPConstantValue

cPExceptions

private final short cPExceptions

cPInnerClasses

private final short cPInnerClasses

cPLineNumberTable

private final short cPLineNumberTable

cPLocalVariableTable

private final short cPLocalVariableTable

cPSourceFile

private final short cPSourceFile

buffer

private StringBuffer buffer

Constructor Detail

View

View()

Constructor.

View

View(InputStream in)
throws IOException

Constructor.

Parameters:

in - an input stream

Throws:

IOException

Method Detail

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

viewText

private static void viewText(String s)

print

void print(String title,
           PrintStream out)

Prints the class file.

view

String view()

Views the class file.

view

private void view(short i)

Views a constant.

Parameters:

i - an index to the constant pool

view

private void view(short i,
                  boolean self)

Views a constant recursively.

Parameters:

i - an index to the constant pool

self - set for self call

view

private void view(String v)

Views a string.

view

private void view(char v)

Views a char.

view

private void view(int v)

Views a int.

view

private void view(long v)

Views a long.

view

private void view(float v)

Views a float.

view

private void view(double v)

Views a double.

escape

private void escape(String s)

Views a string using escape sequences.

view

private void view(MemberInfo mi)

Views a method or a field.

Parameters:

mi - the member

view

private void view(CodeAttribute ca)

Views a code attribute.

Parameters:

ca - the attribute

view

private void view(Long h)

Views an exception handler.

Parameters:

h - the handler

view

private void view(byte[] b)

Views an attribute.

Parameters:

b - the attribute

view

private int view(DataInputStream in,
                 int pc)

Views the byte code by reading it from an input stream.

Parameters:

in - the input stream

pc - the program counter

magic

private static int magic(String s)