org.pfsw.tools.cda.core.dependency.analyzer.bcel

Class BcelUtil

java.lang.Object

org.pfsw.tools.cda.core.dependency.analyzer.bcel.BcelUtil

public class BcelUtil
extends java.lang.Object

Static helper methods to work on BCEL objects.

Field Summary

Fields

Modifier and Type	Field and Description
static int	NOT_PRESENT

Constructor Summary

Constructors

Constructor and Description
BcelUtil()

Method Summary

Modifier and Type	Method and Description
static int	findMethodIndex(org.apache.bcel.classfile.ConstantPool pool, java.lang.String className, java.lang.String methodName, java.lang.String methodSignature) Returns the index in the constant pool of the method with the given name and signature or -1 if not found.
static java.lang.String	getClassNameAt(org.apache.bcel.classfile.ConstantPool constantPool, int classIndex)
static java.lang.String	getConstantString(org.apache.bcel.classfile.ConstantPool constantPool, org.apache.bcel.generic.CPInstruction instruction) Returns the constant UTF8 String the given instruction is pointing to.
static java.lang.String	getConstantStringAt(org.apache.bcel.classfile.ConstantPool constantPool, int index) Returns the constant UTF8 String at the specified index
static java.lang.String	getName(org.apache.bcel.classfile.ConstantPool constantPool, org.apache.bcel.classfile.ConstantCP constantCP)
static org.apache.bcel.classfile.ConstantNameAndType	getNameAndType(org.apache.bcel.classfile.ConstantPool constantPool, org.apache.bcel.classfile.ConstantCP constantCP)
static java.lang.String	getSignature(org.apache.bcel.classfile.ConstantPool constantPool, org.apache.bcel.classfile.ConstantCP constantCP)
static java.lang.String	getSignatureFrom(org.apache.bcel.classfile.FieldOrMethod fieldOrMethod)

Methods inherited from class java.lang.Object

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

Field Detail

NOT_PRESENT

public static final int NOT_PRESENT

See Also:

Constant Field Values

Constructor Detail

BcelUtil

public BcelUtil()

Method Detail

findMethodIndex

public static int findMethodIndex(org.apache.bcel.classfile.ConstantPool pool,
                                  java.lang.String className,
                                  java.lang.String methodName,
                                  java.lang.String methodSignature)

Returns the index in the constant pool of the method with the given name and signature or -1 if not found.

Parameters:

pool - The current constant pool.

className - The name of the class that implements the method.

methodName - The pure method name.

methodSignature - The internal representation of all method parameters and return type.

getClassNameAt

public static java.lang.String getClassNameAt(org.apache.bcel.classfile.ConstantPool constantPool,
                                              int classIndex)

getSignature

public static java.lang.String getSignature(org.apache.bcel.classfile.ConstantPool constantPool,
                                            org.apache.bcel.classfile.ConstantCP constantCP)

getSignatureFrom

public static java.lang.String getSignatureFrom(org.apache.bcel.classfile.FieldOrMethod fieldOrMethod)

getNameAndType

public static org.apache.bcel.classfile.ConstantNameAndType getNameAndType(org.apache.bcel.classfile.ConstantPool constantPool,
                                                                           org.apache.bcel.classfile.ConstantCP constantCP)

getName

public static java.lang.String getName(org.apache.bcel.classfile.ConstantPool constantPool,
                                       org.apache.bcel.classfile.ConstantCP constantCP)

getConstantStringAt

public static java.lang.String getConstantStringAt(org.apache.bcel.classfile.ConstantPool constantPool,
                                                   int index)

Returns the constant UTF8 String at the specified index

Parameters:

index - The index in the constant pool at which the string must be found

getConstantString

public static java.lang.String getConstantString(org.apache.bcel.classfile.ConstantPool constantPool,
                                                 org.apache.bcel.generic.CPInstruction instruction)

Returns the constant UTF8 String the given instruction is pointing to.

Parameters:

constantPool - The pool from which to get the string.

instruction - The instruction pointing to a string in the constant pool.