play.classloading.enhancers

Class Enhancer

java.lang.Object

play.classloading.enhancers.Enhancer

Direct Known Subclasses:

ContinuationEnhancer, ControllersEnhancer, JPAEnhancer, LocalvariablesNamesEnhancer, MailerEnhancer, PropertiesEnhancer, SigEnhancer

public abstract class Enhancer
extends Object

Enhancer support

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Enhancer.ApplicationClassesClasspath Dumb classpath implementation for javassist hacking

Field Summary

Fields

Modifier and Type	Field and Description
protected javassist.ClassPool	classPool

Constructor Summary

Constructors

Constructor and Description
Enhancer()

Method Summary

Modifier and Type	Method and Description
protected static void	createAnnotation(javassist.bytecode.AnnotationsAttribute attribute, Class<? extends Annotation> annotationType) Create a new annotation to be dynamically inserted in the byte code.
protected static void	createAnnotation(javassist.bytecode.AnnotationsAttribute attribute, Class<? extends Annotation> annotationType, Map<String,javassist.bytecode.annotation.MemberValue> members) Create a new annotation to be dynamically inserted in the byte code.
abstract void	enhanceThisClass(ApplicationClasses.ApplicationClass applicationClass) The magic happen here...
protected static javassist.bytecode.AnnotationsAttribute	getAnnotations(javassist.CtClass ctClass) Retrieve all class annotations.
protected static javassist.bytecode.AnnotationsAttribute	getAnnotations(javassist.CtField ctField) Retrieve all field annotations.
protected static javassist.bytecode.AnnotationsAttribute	getAnnotations(javassist.CtMethod ctMethod) Retrieve all method annotations.
protected boolean	hasAnnotation(javassist.CtClass ctClass, String annotation) Test if a class has the provided annotation
protected boolean	hasAnnotation(javassist.CtField ctField, String annotation) Test if a field has the provided annotation
protected boolean	hasAnnotation(javassist.CtMethod ctMethod, String annotation) Test if a method has the provided annotation
javassist.CtClass	makeClass(ApplicationClasses.ApplicationClass applicationClass) Construct a javassist CtClass from an application class.
static javassist.ClassPool	newClassPool()

Methods inherited from class java.lang.Object

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

Field Detail

classPool

protected javassist.ClassPool classPool

Constructor Detail

Enhancer

public Enhancer()

Method Detail

newClassPool

public static javassist.ClassPool newClassPool()

makeClass

public javassist.CtClass makeClass(ApplicationClasses.ApplicationClass applicationClass)
                            throws IOException

Construct a javassist CtClass from an application class.

Throws:

IOException

enhanceThisClass

public abstract void enhanceThisClass(ApplicationClasses.ApplicationClass applicationClass)
                               throws Exception

The magic happen here...

Throws:

Exception

hasAnnotation

protected boolean hasAnnotation(javassist.CtClass ctClass,
                                String annotation)
                         throws ClassNotFoundException

Test if a class has the provided annotation

Parameters:

ctClass - the javassist class representation

annotation - fully qualified name of the annotation class eg."javax.persistence.Entity"

Returns:

true if class has the annotation

Throws:

ClassNotFoundException

hasAnnotation

protected boolean hasAnnotation(javassist.CtField ctField,
                                String annotation)
                         throws ClassNotFoundException

Test if a field has the provided annotation

Parameters:

ctField - the javassist field representation

annotation - fully qualified name of the annotation class eg."javax.persistence.Entity"

Returns:

true if field has the annotation

Throws:

ClassNotFoundException

hasAnnotation

protected boolean hasAnnotation(javassist.CtMethod ctMethod,
                                String annotation)
                         throws ClassNotFoundException

Test if a method has the provided annotation

Parameters:

ctMethod - the javassist method representation

annotation - fully qualified name of the annotation class eg."javax.persistence.Entity"

Returns:

true if field has the annotation

Throws:

ClassNotFoundException

createAnnotation

protected static void createAnnotation(javassist.bytecode.AnnotationsAttribute attribute,
                                       Class<? extends Annotation> annotationType,
                                       Map<String,javassist.bytecode.annotation.MemberValue> members)

Create a new annotation to be dynamically inserted in the byte code.

createAnnotation

protected static void createAnnotation(javassist.bytecode.AnnotationsAttribute attribute,
                                       Class<? extends Annotation> annotationType)

Create a new annotation to be dynamically inserted in the byte code.

getAnnotations

protected static javassist.bytecode.AnnotationsAttribute getAnnotations(javassist.CtClass ctClass)

Retrieve all class annotations.

getAnnotations

protected static javassist.bytecode.AnnotationsAttribute getAnnotations(javassist.CtField ctField)

Retrieve all field annotations.

getAnnotations

protected static javassist.bytecode.AnnotationsAttribute getAnnotations(javassist.CtMethod ctMethod)

Retrieve all method annotations.