com.sptci.echo2.binding

Class ModelGenerator

java.lang.Object

com.sptci.CodeGenerator

com.sptci.echo2.binding.ModelGenerator

Direct Known Subclasses:

JDOModelDecoratorGenerator, 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 4553 2008-12-24 10:34:16Z rakesh $

Author:

Rakesh Vidyadharan 2006-02-07

Field Summary

Fields

Modifier and Type	Field and Description
protected List<String>	imports A List of import statements for the generated class.
protected Class	source The class for which the JavaBean is to be generated.
protected Map<String,Field>	uiFields A Map of fields in source.

Fields inherited from class com.sptci.CodeGenerator

fields, name, primitives

Constructor Summary

Constructors

Constructor and Description
ModelGenerator(String name) Instantiates a new instance of source from the specified name.

Method Summary

Modifier and Type	Method and Description
void	generate() Load the class specified, and generate a JavaBean representing its UI components.
protected String	generateBeanMethods() Over-ridden to fire PropertyChangeEvents for mutator methods.
protected String	generateConstructors() Generate the constructors for the JavaBean.
protected String	generateDefaultConstructor() Generate the default constructor for the JavaBean
protected String	generateDesignatedConstructor() Generate the designated constructor for the JavaBean
protected String	generateFields() Generate the fields for the JavaBean.
protected String	generateMethods() Generate the methods for the JavaBean.
protected String	generatePropertyChangeFields() Generate the fields necessary to support PropertyChangeListener ability for the bean.
protected String	generatePropertyChangeMethods() Generate the methods to support property change events.
protected void	generateSource() Generate the source code for the JavaBean.
static void	main(String[] args)
protected void	processComponent(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 Class source

The class for which the JavaBean is to be generated.

imports

protected List<String> imports

A List of import statements for the generated class.

uiFields

protected Map<String,Field> uiFields

A Map of fields in source.

Constructor Detail

ModelGenerator

public ModelGenerator(String name)
               throws 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:

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

Method Detail

generate

public void generate()
              throws Exception

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

Specified by:

generate in class CodeGenerator

Throws:

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

See Also:

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

processComponent

protected void processComponent(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 IOException

Generate the source code for the JavaBean.

Throws:

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

generateFields

protected 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 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 String generateConstructors()

Generate the constructors for the JavaBean.

Returns:

The text for all the constructors.

See Also:

generateDefaultConstructor(), generateDesignatedConstructor()

generateDefaultConstructor

protected String generateDefaultConstructor()

Generate the default constructor for the JavaBean

Returns:

The default constructor text.

generateDesignatedConstructor

protected String generateDesignatedConstructor()

Generate the designated constructor for the JavaBean

Returns:

The designated constructor text.

generateMethods

protected 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 String generatePropertyChangeMethods()

Generate the methods to support property change events.

Returns:

String The source code for property change event handling.

generateBeanMethods

protected 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(String[] args)