com.sptci.echo2
Class ModelGenerator

java.lang.Object
  com.sptci.CodeGenerator
      com.sptci.echo2.ModelGenerator

Direct Known Subclasses:

JDOModelGenerator

public class ModelGenerator
extends CodeGenerator

A JavaBean generator. Uses reflection to create a JavaBean that maps to the UI component fields in the specified class.

The following shows the invocation semantics for this class:

  java -classpath <path to classes>:sptecho.jar:<path to Echo2_App.jar> \
    com.sptci.echo2.ModelGenerator \
    <fully qualified name of UI class>
 

Copyright 2006 Sans Pareil Technologies, Inc.

Version:

$Id: ModelGenerator.java,v 1.3 2006/02/15 00:48:26 rakesh Exp $

Author:

Rakesh Vidyadharan 2006-02-07

Field Summary

protected java.util.List<java.lang.String>	imports A List of import statements for the generated class.
protected java.lang.Class	source The class for which the JavaBean is to be generated.
protected java.util.Map<java.lang.String,java.lang.reflect.Field>	uiFields A Map of fields in source.

Fields inherited from class com.sptci.CodeGenerator

fields, name, primitives

Constructor Summary

ModelGenerator(java.lang.String name)
Instantiates a new instance of source from the specified name.

Method Summary

void	generate() Load the class specified, and generate a JavaBean representing its UI components.
protected java.lang.String	generateBeanMethods() Over-ridden to fire PropertyChangeEvents for mutator methods.
protected java.lang.String	generateConstructors() Generate the constructors for the JavaBean.
protected java.lang.String	generateDefaultConstructor() Generate the default constructor for the JavaBean
protected java.lang.String	generateDesignatedConstructor() Generate the designated constructor for the JavaBean
protected java.lang.String	generateFields() Generate the fields for the JavaBean.
protected java.lang.String	generateMethods() Generate the methods for the JavaBean.
protected java.lang.String	generatePropertyChangeFields() Generate the fields necessary to support PropertyChangeListener ability for the bean.
protected java.lang.String	generatePropertyChangeMethods() Generate the methods to support property change events.
protected void	generateSource() Generate the source code for the JavaBean.
static void	main(java.lang.String[] args) Main method.
protected void	processComponent(java.lang.reflect.Field field) Generate a Field for the JavaBean class that will be generated from the specified Echo2 UI component

Methods inherited from class com.sptci.CodeGenerator

generateCloneMethod, generateCompareToMethod, generateEqualsMethod, generateHashCodeMethod, generateToStringMethod

Methods inherited from class java.lang.Object

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

Field Detail

source

protected java.lang.Class source

The class for which the JavaBean is to be generated.

imports

protected java.util.List<java.lang.String> imports

A List of import statements for the generated class.

uiFields

protected java.util.Map<java.lang.String,java.lang.reflect.Field> uiFields

A Map of fields in source.

Constructor Detail

ModelGenerator

public ModelGenerator(java.lang.String name)
               throws java.lang.ClassNotFoundException

Instantiates a new instance of source from the specified name. Initialises code geneartor containers.

Parameters:

name - The fully qualified name of the class. Example: com.sptci.demo.InputForm.

Throws:

java.lang.ClassNotFoundException - If the class corresponding to the name cannot be found in the classpath.

Method Detail

generate

public void generate()
              throws java.lang.Exception

Load the class specified, and generate a JavaBean representing its UI components.

Specified by:

generate in class CodeGenerator

Throws:

java.lang.Exception - If errors are encountered while writing to the source file.

See Also:

processComponent(java.lang.reflect.Field), generateSource()

processComponent

protected void processComponent(java.lang.reflect.Field field)

Generate a Field for the JavaBean class that will be generated from the specified Echo2 UI component

Parameters:

field - The Field that represents the Echo2 component.

generateSource

protected void generateSource()
                       throws java.io.IOException

Generate the source code for the JavaBean.

Throws:

java.io.IOException - If errors are encountered while writing the generated source file.

generateFields

protected java.lang.String generateFields()

Generate the fields for the JavaBean. Over-ridden to add code specific to the JavaBean.

Overrides:

generateFields in class CodeGenerator

Returns:

String The field declarations for the JavaBean.

See Also:

generatePropertyChangeFields()

generatePropertyChangeFields

protected java.lang.String generatePropertyChangeFields()

Generate the fields necessary to support PropertyChangeListener ability for the bean.

Returns:

String The field declarations necessary for property change support

generateConstructors

protected java.lang.String generateConstructors()

Generate the constructors for the JavaBean.

See Also:

generateDefaultConstructor(), generateDesignatedConstructor()

generateDefaultConstructor

protected java.lang.String generateDefaultConstructor()

Generate the default constructor for the JavaBean

generateDesignatedConstructor

protected java.lang.String generateDesignatedConstructor()

Generate the designated constructor for the JavaBean

generateMethods

protected java.lang.String generateMethods()

Generate the methods for the JavaBean.

Returns:

String The source code for the methods to be included in the JavaBean.

See Also:

CodeGenerator.generateToStringMethod(), CodeGenerator.generateEqualsMethod(), CodeGenerator.generateHashCodeMethod(), CodeGenerator.generateCompareToMethod(), CodeGenerator.generateCloneMethod(), generatePropertyChangeMethods(), generateBeanMethods()

generatePropertyChangeMethods

protected java.lang.String generatePropertyChangeMethods()

Generate the methods to support property change events.

Returns:

String The source code for property change event handling.

generateBeanMethods

protected java.lang.String generateBeanMethods()

Over-ridden to fire PropertyChangeEvents for mutator methods.

Overrides:

generateBeanMethods in class CodeGenerator

Returns:

String The default accessor and mutator methods for the CodeGenerator.fields.

main

public static void main(java.lang.String[] args)

Main method.