org.kohsuke.groovy.sandbox

Class GroovyInterceptor

java.lang.Object

org.kohsuke.groovy.sandbox.GroovyInterceptor

Direct Known Subclasses:

GroovyValueFilter

public abstract class GroovyInterceptor
extends Object

Interceptor of Groovy method calls.

Once created, it needs to be registered to start receiving interceptions. List of interceptors are maintained per thread.

Author:

Kohsuke Kawaguchi

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	GroovyInterceptor.Invoker Represents the next interceptor in the chain.

Constructor Summary

Constructors

Constructor and Description
GroovyInterceptor()

Method Summary

Methods

Modifier and Type	Method and Description
static List<GroovyInterceptor>	getApplicableInterceptors()
Object	onGetArray(GroovyInterceptor.Invoker invoker, Object receiver, Object index) Intercepts an array access, like "z=foo[bar]"
Object	onGetAttribute(GroovyInterceptor.Invoker invoker, Object receiver, String attribute) Intercepts an attribute access, like "z=foo.@bar"
Object	onGetProperty(GroovyInterceptor.Invoker invoker, Object receiver, String property) Intercepts a property access, like "z=foo.bar"
Object	onMethodCall(GroovyInterceptor.Invoker invoker, Object receiver, String method, Object... args) Intercepts an instance method call on some object of the form "foo.bar(...)"
Object	onNewInstance(GroovyInterceptor.Invoker invoker, Class receiver, Object... args) Intercepts an object instantiation, like "new Receiver(...)"
Object	onSetArray(GroovyInterceptor.Invoker invoker, Object receiver, Object index, Object value) Intercepts an attribute assignment like "foo[bar]=z"
Object	onSetAttribute(GroovyInterceptor.Invoker invoker, Object receiver, String attribute, Object value) Intercepts an attribute assignment like "foo.@bar=z"
Object	onSetProperty(GroovyInterceptor.Invoker invoker, Object receiver, String property, Object value) Intercepts a property assignment like "foo.bar=z"
Object	onStaticCall(GroovyInterceptor.Invoker invoker, Class receiver, String method, Object... args) Intercepts a static method call on some class, like "Class.forName(...)".
void	register() Registers this interceptor to the current thread's interceptor list.
void	unregister() Reverses the earlier effect of register()

Methods inherited from class java.lang.Object

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

Constructor Detail

GroovyInterceptor

public GroovyInterceptor()

Method Detail

onMethodCall

public Object onMethodCall(GroovyInterceptor.Invoker invoker,
                  Object receiver,
                  String method,
                  Object... args)
                    throws Throwable

Intercepts an instance method call on some object of the form "foo.bar(...)"

Throws:

Throwable

onStaticCall

public Object onStaticCall(GroovyInterceptor.Invoker invoker,
                  Class receiver,
                  String method,
                  Object... args)
                    throws Throwable

Intercepts a static method call on some class, like "Class.forName(...)". Note that Groovy doesn't clearly differentiate static method calls from instance method calls. If calls are determined to be static at compile-time, you get this method called, but method calls whose receivers are Class can invoke static methods, too (that is, x=Integer.class;x.valueOf(5) results in onMethodCall(invoker,Integer.class,"valueOf",5)

Throws:

Throwable

onNewInstance

public Object onNewInstance(GroovyInterceptor.Invoker invoker,
                   Class receiver,
                   Object... args)
                     throws Throwable

Intercepts an object instantiation, like "new Receiver(...)"

Throws:

Throwable

onGetProperty

public Object onGetProperty(GroovyInterceptor.Invoker invoker,
                   Object receiver,
                   String property)
                     throws Throwable

Intercepts a property access, like "z=foo.bar"

Parameters:

receiver - 'foo' in the above example, the object whose property is accessed.

property - 'bar' in the above example, the name of the property

Throws:

Throwable

onSetProperty

public Object onSetProperty(GroovyInterceptor.Invoker invoker,
                   Object receiver,
                   String property,
                   Object value)
                     throws Throwable

Intercepts a property assignment like "foo.bar=z"

Parameters:

receiver - 'foo' in the above example, the object whose property is accessed.

property - 'bar' in the above example, the name of the property

value - The value to be assigned.

Returns:

The result of the assignment expression. Normally, you should return the same object as value.

Throws:

Throwable

onGetAttribute

public Object onGetAttribute(GroovyInterceptor.Invoker invoker,
                    Object receiver,
                    String attribute)
                      throws Throwable

Intercepts an attribute access, like "z=foo.@bar"

Parameters:

receiver - 'foo' in the above example, the object whose attribute is accessed.

attribute - 'bar' in the above example, the name of the attribute

Throws:

Throwable

onSetAttribute

public Object onSetAttribute(GroovyInterceptor.Invoker invoker,
                    Object receiver,
                    String attribute,
                    Object value)
                      throws Throwable

Intercepts an attribute assignment like "foo.@bar=z"

Parameters:

receiver - 'foo' in the above example, the object whose attribute is accessed.

attribute - 'bar' in the above example, the name of the attribute

value - The value to be assigned.

Returns:

The result of the assignment expression. Normally, you should return the same object as value.

Throws:

Throwable

onGetArray

public Object onGetArray(GroovyInterceptor.Invoker invoker,
                Object receiver,
                Object index)
                  throws Throwable

Intercepts an array access, like "z=foo[bar]"

Parameters:

receiver - 'foo' in the above example, the array-like object.

index - 'bar' in the above example, the object that acts as an index.

Throws:

Throwable

onSetArray

public Object onSetArray(GroovyInterceptor.Invoker invoker,
                Object receiver,
                Object index,
                Object value)
                  throws Throwable

Intercepts an attribute assignment like "foo[bar]=z"

Parameters:

receiver - 'foo' in the above example, the array-like object.

index - 'bar' in the above example, the object that acts as an index.

value - The value to be assigned.

Returns:

The result of the assignment expression. Normally, you should return the same object as value.

Throws:

Throwable

register

public void register()

Registers this interceptor to the current thread's interceptor list.

unregister

public void unregister()

Reverses the earlier effect of register()

getApplicableInterceptors

public static List<GroovyInterceptor> getApplicableInterceptors()