org.exolab.javasource
Class JClass

java.lang.Object
  org.exolab.javasource.JType
      org.exolab.javasource.JStructure
          org.exolab.javasource.JClass

All Implemented Interfaces:

JAnnotatedElement

Direct Known Subclasses:

DescriptorJClass, JClass.JInnerClass, JEnum

public class JClass
extends JStructure

A representation of the Java Source code for a Java Class. This is a useful utility when creating in memory source code. This package was modelled after the Java Reflection API as much as possible to reduce the learning curve.

Version:

$Revision: 1.7 $ $Date: 2005/05/08 18:32:06 $

Author:

Keith Visco, Martin Skopp

Nested Class Summary

(package private) class

JClass.JInnerClass

Field Summary

protected java.util.Vector	_constructors The list of constructors for this JClass
protected JNamedMap	_fields The list of member variables (fields) of this JClass
protected java.util.Vector	_innerClasses
protected java.util.Vector	_methods The list of methods of this JClass
protected JSourceCode	_staticInitializer The source code for static initialization
protected JTypeName	_superClass The superclass for this JClass

Fields inherited from class org.exolab.javasource.JStructure

DEFAULT_HEADER, version

Fields inherited from class org.exolab.javasource.JType

Boolean, Byte, Char, Double, Float, Int, Long, Short

Constructor Summary

JClass(java.lang.String name)
Creates a new JClass with the given name

Method Summary

void	addConstructor(JConstructor constructor) Adds the given Constructor to this classes list of constructors.
void	addField(JField jField) Adds the given JField to this JClass
void	addImport(java.lang.String name) Adds the given import to this JStructure
void	addMember(JMember jMember) Adds the given JMember to this JClass
void	addMethod(JMethod jMethod) Adds the given JMethod to this JClass
void	addMethod(JMethod jMethod, boolean importReturnType) Adds the given JMethod to this JClass
void	addMethods(JMethod[] jMethods) Adds the given array of JMethods to this JClass
JConstructor	createConstructor() Creates a new JConstructor and adds it to this JClass.
JConstructor	createConstructor(JParameter[] params) Creates a new JConstructor and adds it to this JClass.
JClass	createInnerClass(java.lang.String localname) Creates and returns an inner-class for this JClass
JConstructor	getConstructor(int index) Returns the constructor at the specified index.
JConstructor[]	getConstructors() Returns the an array of the JConstructors contained within this JClass
JField	getField(java.lang.String name) Returns the member with the given name, or null if no member was found with the given name
JField[]	getFields() Returns an array of all the JFields of this JClass
JClass[]	getInnerClasses() Returns an array of JClass (the inner classes) contained within this JClass.
JMethod	getMethod(int index) Returns the JMethod located at the specified index
JMethod	getMethod(java.lang.String name, int startIndex) Returns the first occurance of the method with the given name, starting from the specified index.
JMethod[]	getMethods() Returns an array of all the JMethods of this JClass
JSourceCode	getStaticInitializationCode() Returns the JSourceCode for the static initializer of this JClass
java.lang.String	getSuperClass() Gets the super Class that this class extends
static void	main(java.lang.String[] args) Test drive method...to be removed or commented out
void	print(JSourceWriter jsw) Prints the source code for this JClass to the given JSourceWriter
void	print(JSourceWriter jsw, boolean classOnly) Prints the source code for this JClass to the given JSourceWriter
boolean	removeConstructor(JConstructor constructor) Removes the given constructor from this JClass
boolean	removeField(JField jField) Removes the given JField from this JClass
JField	removeField(java.lang.String name) Removes the field with the given name from this JClass
boolean	removeInnerClass(JClass jClass) Removes the given inner-class (JClass) from this JClass.
boolean	removeMethod(JMethod method) Removes the given method from this JClass
void	setSuperClass(java.lang.String superClass) Sets the super Class that this class extends

Methods inherited from class org.exolab.javasource.JStructure

addAnnotation, addImport, addImport, addInterface, addInterface, getAnnotatedElementHelper, getAnnotation, getAnnotations, getFilename, getHeader, getImports, getInterfaceCount, getInterfaces, getJDocComment, getModifiers, getName, getPackageFromClassName, getPackageName, hasAnnotations, hasImport, isAnnotationPresent, isValidClassName, print, print, printHeader, printImportDeclarations, printlnWithPrefix, printPackageDeclaration, removeAnnotation, removeImport, setHeader, setPackageName

Methods inherited from class org.exolab.javasource.JType

changePackage, createArray, getComponentType, getLocalName, getName, isArray, isPrimitive, toString

Methods inherited from class java.lang.Object

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

Field Detail

_constructors

protected java.util.Vector _constructors

The list of constructors for this JClass

_fields

protected JNamedMap _fields

The list of member variables (fields) of this JClass

_innerClasses

protected java.util.Vector _innerClasses

_methods

protected java.util.Vector _methods

The list of methods of this JClass

_superClass

protected JTypeName _superClass

The superclass for this JClass

_staticInitializer

protected JSourceCode _staticInitializer

The source code for static initialization

Constructor Detail

JClass

public JClass(java.lang.String name)
       throws java.lang.IllegalArgumentException

Creates a new JClass with the given name

Parameters:

name - the name of the JClass to create

Throws:

java.lang.IllegalArgumentException - when the given name is not a valid Class name

Method Detail

addConstructor

public void addConstructor(JConstructor constructor)
                    throws java.lang.IllegalArgumentException

Adds the given Constructor to this classes list of constructors. The constructor must have been created with this JClass' createConstructor.

Throws:

java.lang.IllegalArgumentException

addField

public void addField(JField jField)
              throws java.lang.IllegalArgumentException

Adds the given JField to this JClass

Specified by:

addField in class JStructure

Parameters:

jField, - the JField to add

Throws:

java.lang.IllegalArgumentException - when the given JField has a name of an existing JField

addImport

public void addImport(java.lang.String name)

Description copied from class: JStructure

Adds the given import to this JStructure

Overrides:

addImport in class JStructure

Parameters:

name - name of the class to import.

addMember

public void addMember(JMember jMember)
               throws java.lang.IllegalArgumentException

Adds the given JMember to this JClass

Specified by:

addMember in class JStructure

Parameters:

jMember, - the JMember to add

Throws:

java.lang.IllegalArgumentException - when the given JMember has the same name of an existing JField or JMethod respectively, or if the JMember is of an unrecognized class.

addMethod

public void addMethod(JMethod jMethod)

Adds the given JMethod to this JClass

Parameters:

jMethod, - the JMethod to add

Throws:

java.lang.IllegalArgumentException - when the given JMethod has the same name of an existing JMethod.

addMethod

public void addMethod(JMethod jMethod,
                      boolean importReturnType)
               throws java.lang.IllegalArgumentException

Adds the given JMethod to this JClass

Parameters:

jMethod, - the JMethod to add

importReturnType - true if we add the importReturnType to the class import lists. It could be useful to set it to false when all types are fully qualified.

Throws:

java.lang.IllegalArgumentException - when the given JMethod has the same name of an existing JMethod.

addMethods

public void addMethods(JMethod[] jMethods)
                throws java.lang.IllegalArgumentException

Adds the given array of JMethods to this JClass

Parameters:

jMethods, - the JMethod[] to add

Throws:

java.lang.IllegalArgumentException - when any of the given JMethods has the same name of an existing JMethod.

createConstructor

public JConstructor createConstructor()

Creates a new JConstructor and adds it to this JClass.

Returns:

the newly created constructor

createConstructor

public JConstructor createConstructor(JParameter[] params)

Creates a new JConstructor and adds it to this JClass.

Returns:

the newly created constructor

createInnerClass

public JClass createInnerClass(java.lang.String localname)

Creates and returns an inner-class for this JClass

Parameters:

localname - the name of the class (no package name)

Returns:

the new JClass

getConstructor

public JConstructor getConstructor(int index)

Returns the constructor at the specified index.

Parameters:

index - the index of the constructor to return

Returns:

the JConstructor at the specified index.

getConstructors

public JConstructor[] getConstructors()

Returns the an array of the JConstructors contained within this JClass

Returns:

an array of JConstructor

getField

public JField getField(java.lang.String name)

Returns the member with the given name, or null if no member was found with the given name

Specified by:

getField in class JStructure

Parameters:

name - the name of the member to return

Returns:

the member with the given name, or null if no member was found with the given name

getFields

public JField[] getFields()

Returns an array of all the JFields of this JClass

Specified by:

getFields in class JStructure

Returns:

an array of all the JFields of this JClass

getInnerClasses

public JClass[] getInnerClasses()

Returns an array of JClass (the inner classes) contained within this JClass.

Returns:

an array of JClass contained within this JClass

getMethods

public JMethod[] getMethods()

Returns an array of all the JMethods of this JClass

Returns:

an array of all the JMethods of this JClass

getMethod

public JMethod getMethod(java.lang.String name,
                         int startIndex)

Returns the first occurance of the method with the given name, starting from the specified index.

Parameters:

name - the name of the method to look for

startIndex - the starting index to begin the search

Returns:

the method if found, otherwise null.

getMethod

public JMethod getMethod(int index)

Returns the JMethod located at the specified index

Parameters:

index - the index of the JMethod to return.

Returns:

the JMethod

getStaticInitializationCode

public JSourceCode getStaticInitializationCode()

Returns the JSourceCode for the static initializer of this JClass

Returns:

the JSourceCode for the static initializer of this JClass

getSuperClass

public java.lang.String getSuperClass()

Gets the super Class that this class extends

Returns:

superClass the super Class that this Class extends

print

public void print(JSourceWriter jsw)

Prints the source code for this JClass to the given JSourceWriter

Specified by:

print in class JStructure

Parameters:

jsw - the JSourceWriter to print to. [May not be null]

print

public void print(JSourceWriter jsw,
                  boolean classOnly)

Prints the source code for this JClass to the given JSourceWriter

Parameters:

jsw - the JSourceWriter to print to. [May not be null]

removeConstructor

public boolean removeConstructor(JConstructor constructor)

Removes the given constructor from this JClass

Parameters:

constructor - the JConstructor to remove

Returns:

true if the constructor was removed, otherwise false.

removeMethod

public boolean removeMethod(JMethod method)

Removes the given method from this JClass

Parameters:

method - the JMethod to remove

Returns:

true if the method was removed, otherwise false.

removeField

public JField removeField(java.lang.String name)

Removes the field with the given name from this JClass

Parameters:

name - the name of the field to remove

removeField

public boolean removeField(JField jField)

Removes the given JField from this JClass

Parameters:

jField, - the JField to remove

removeInnerClass

public boolean removeInnerClass(JClass jClass)

Removes the given inner-class (JClass) from this JClass.

Parameters:

jClass - the JClass (inner-class) to remove.

Returns:

true if the JClass was removed, otherwise false.

setSuperClass

public void setSuperClass(java.lang.String superClass)

Sets the super Class that this class extends

Parameters:

superClass - the super Class that this Class extends

main

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

Test drive method...to be removed or commented out