biz.hammurapi.codegen
Class ClassGeneratorBase

java.lang.Object
  biz.hammurapi.codegen.ClassGeneratorBase

Direct Known Subclasses:

Class, Interface

public class ClassGeneratorBase
extends java.lang.Object

Version:

$Revision: 1.9 $

Author:

Pavel Vlasov

Nested Class Summary

protected class

ClassGeneratorBase.FieldDescriptor

Field Summary

protected org.apache.bcel.generic.ClassGen	cg
protected GenerationListener	listener

Constructor Summary

ClassGeneratorBase()

Method Summary

void	addField(java.lang.String declaration, java.lang.String description, java.util.Properties attributes)
void	addStaticInitializer(org.apache.bcel.generic.InstructionList instructionList, java.util.Collection exceptionHandlers, java.lang.String description)
protected boolean	checkMethod(java.lang.Object signature, java.lang.String returnType, java.util.Collection throwsList)
org.apache.bcel.generic.InstructionList	cloneInstructions(java.lang.Class clazz, java.lang.String signature) Copies instructions of existing method.
static java.lang.String	concat(java.lang.String packageName, java.lang.String className)
org.apache.bcel.generic.FieldInstruction	createGetField(java.lang.String fieldName) This method shall be used only with fields added through addField()
org.apache.bcel.generic.InvokeInstruction	createInvoke(java.lang.String signature, java.util.Collection parameters, short type) Creates invoke instruction for the method in the current class.
org.apache.bcel.generic.InvokeInstruction	createInvoke(java.lang.String className, java.lang.String signature, java.util.Collection parameters, short type) Creates invoke instruction for the method in the current class.
org.apache.bcel.generic.FieldInstruction	createPutField(java.lang.String fieldName) This method shall be used only with fields added through addField()
protected static antlr.collections.AST	field(java.lang.String definition)
org.apache.bcel.generic.ClassGen	getClassGen()
org.apache.bcel.generic.InstructionFactory	getInstructionFactory()
org.apache.bcel.classfile.JavaClass	getJavaClass()
static org.apache.bcel.classfile.Method	getMethod(java.lang.Class clazz, java.lang.String signature)
boolean	hasField(java.lang.String name)
protected static antlr.collections.AST	invocation(java.lang.String definition)
static org.apache.bcel.generic.Type	java2BcelType(java.lang.String type)
static short	modifiers(java.util.Collection modifiers)
static void	printMethod(java.lang.Class clazz, java.lang.String signature)
static void	printMethod(org.apache.bcel.classfile.Method method)
void	save(java.io.File dir)
protected static void	showField(java.lang.String field)
protected static void	showInvocation(java.lang.String invocation)
protected static void	showTypeDefinition(java.lang.String typeDefinition)
protected static java.lang.String	toString(antlr.collections.AST ast)
protected static antlr.collections.AST	typeDefinition(java.lang.String definition)
static java.util.Collection	verify(java.util.Collection javaClasses, java.lang.ClassLoader classLoader) Verifies collection of classes and returns colleciton of error messages.

Methods inherited from class java.lang.Object

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

Field Detail

listener

protected GenerationListener listener

cg

protected org.apache.bcel.generic.ClassGen cg

Constructor Detail

ClassGeneratorBase

public ClassGeneratorBase()

Method Detail

checkMethod

protected boolean checkMethod(java.lang.Object signature,
                              java.lang.String returnType,
                              java.util.Collection throwsList)
                       throws GenerationException

Parameters:

signature - Method signature

rtthc - Method return type and throws

Returns:

true - method shall be added

Throws:

GenerationException - If method exists, but return type or throws are different

modifiers

public static short modifiers(java.util.Collection modifiers)
                       throws GenerationException

Throws:

GenerationException

getJavaClass

public org.apache.bcel.classfile.JavaClass getJavaClass()

Returns:

Throws:

GenerationException

verify

public static java.util.Collection verify(java.util.Collection javaClasses,
                                          java.lang.ClassLoader classLoader)

Verifies collection of classes and returns colleciton of error messages.

getClassGen

public org.apache.bcel.generic.ClassGen getClassGen()

getInstructionFactory

public org.apache.bcel.generic.InstructionFactory getInstructionFactory()

save

public void save(java.io.File dir)
          throws java.io.IOException

Throws:

java.io.IOException

cloneInstructions

public org.apache.bcel.generic.InstructionList cloneInstructions(java.lang.Class clazz,
                                                                 java.lang.String signature)
                                                          throws java.lang.ClassNotFoundException,
                                                                 java.lang.NoSuchMethodException

Copies instructions of existing method.

Parameters:

clazz -

signature - E.g. setName(java.lang.String)

Returns:

Throws:

java.lang.ClassNotFoundException

java.lang.NoSuchMethodException

getMethod

public static org.apache.bcel.classfile.Method getMethod(java.lang.Class clazz,
                                                         java.lang.String signature)
                                                  throws java.lang.ClassNotFoundException,
                                                         java.lang.NoSuchMethodException

Parameters:

clazz -

signature -

Throws:

java.lang.ClassNotFoundException

java.lang.NoSuchMethodException

printMethod

public static void printMethod(java.lang.Class clazz,
                               java.lang.String signature)
                        throws java.lang.ClassNotFoundException,
                               java.lang.NoSuchMethodException

Throws:

java.lang.ClassNotFoundException

java.lang.NoSuchMethodException

concat

public static java.lang.String concat(java.lang.String packageName,
                                      java.lang.String className)

printMethod

public static void printMethod(org.apache.bcel.classfile.Method method)

Parameters:

methods -

i -

createInvoke

public org.apache.bcel.generic.InvokeInstruction createInvoke(java.lang.String signature,
                                                              java.util.Collection parameters,
                                                              short type)
                                                       throws GenerationException

Creates invoke instruction for the method in the current class.

Parameters:

signature -

type -

Returns:

Throws:

GenerationException

createInvoke

public org.apache.bcel.generic.InvokeInstruction createInvoke(java.lang.String className,
                                                              java.lang.String signature,
                                                              java.util.Collection parameters,
                                                              short type)
                                                       throws GenerationException

Creates invoke instruction for the method in the current class.

Parameters:

signature - E.g. int getA()

type -

Returns:

Throws:

GenerationException

java2BcelType

public static org.apache.bcel.generic.Type java2BcelType(java.lang.String type)

Parameters:

type -

Returns:

typeDefinition

protected static antlr.collections.AST typeDefinition(java.lang.String definition)
                                               throws GenerationException

Throws:

GenerationException

showTypeDefinition

protected static void showTypeDefinition(java.lang.String typeDefinition)
                                  throws GenerationException

Throws:

GenerationException

addField

public void addField(java.lang.String declaration,
                     java.lang.String description,
                     java.util.Properties attributes)
              throws GenerationException

Throws:

GenerationException

hasField

public boolean hasField(java.lang.String name)

field

protected static antlr.collections.AST field(java.lang.String definition)
                                      throws GenerationException

Throws:

GenerationException

showField

protected static void showField(java.lang.String field)
                         throws GenerationException

Throws:

GenerationException

invocation

protected static antlr.collections.AST invocation(java.lang.String definition)
                                           throws GenerationException

Throws:

GenerationException

showInvocation

protected static void showInvocation(java.lang.String invocation)
                              throws GenerationException

Throws:

GenerationException

toString

protected static java.lang.String toString(antlr.collections.AST ast)

addStaticInitializer

public void addStaticInitializer(org.apache.bcel.generic.InstructionList instructionList,
                                 java.util.Collection exceptionHandlers,
                                 java.lang.String description)
                          throws GenerationException

Throws:

GenerationException

createGetField

public org.apache.bcel.generic.FieldInstruction createGetField(java.lang.String fieldName)

This method shall be used only with fields added through addField()

Parameters:

fieldName -

Returns:

createPutField

public org.apache.bcel.generic.FieldInstruction createPutField(java.lang.String fieldName)

This method shall be used only with fields added through addField()

Parameters:

fieldName -

Returns: