com.google.gwt.dev.shell

Class JavaDispatchImpl

java.lang.Object

com.google.gwt.dev.shell.JavaDispatchImpl

All Implemented Interfaces:

JavaDispatch

public class JavaDispatchImpl
extends Object
implements JavaDispatch

Class for wrapping Java things for JavaScript.

Constructor Summary

Constructors

Constructor and Description
JavaDispatchImpl(CompilingClassLoader ccl) This constructor initializes a dispatcher for handling static members.
JavaDispatchImpl(CompilingClassLoader ccl, Object target) This constructor initializes a dispatcher around a particular instance.

Method Summary

Modifier and Type	Method and Description
Field	getField(int dispId)
Object	getFieldValue(int dispId)
protected Member	getMember(int dispId)
MethodAdaptor	getMethod(int dispId)
Object	getTarget()
boolean	isField(int dispId)
boolean	isMethod(int dispId)
void	setFieldValue(int dispId, Object value)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

JavaDispatchImpl

public JavaDispatchImpl(CompilingClassLoader ccl)

This constructor initializes a dispatcher for handling static members.

Parameters:

ccl - class loader to use for dispatching member access

JavaDispatchImpl

public JavaDispatchImpl(CompilingClassLoader ccl,
                        Object target)

This constructor initializes a dispatcher around a particular instance.

Parameters:

ccl - class loader to use for dispatching member access

target - the instance object to use for dispatching member accesses

Throws:

NullPointerException - if target is null

Method Detail

getField

public Field getField(int dispId)

Specified by:

getField in interface JavaDispatch

Parameters:

dispId - the unique number of a field

Returns:

the field

getFieldValue

public Object getFieldValue(int dispId)

Specified by:

getFieldValue in interface JavaDispatch

Parameters:

dispId - the unique number of a field

Returns:

true the value of the field

Throws:

IllegalArgumentException

getMethod

public MethodAdaptor getMethod(int dispId)

Specified by:

getMethod in interface JavaDispatch

Parameters:

dispId - the unique number of a method

Returns:

the method

getTarget

public Object getTarget()

Specified by:

getTarget in interface JavaDispatch

isField

public boolean isField(int dispId)

Specified by:

isField in interface JavaDispatch

Parameters:

dispId - the unique number of a method or field

Returns:

true if the dispId represents a field

isMethod

public boolean isMethod(int dispId)

Specified by:

isMethod in interface JavaDispatch

Parameters:

dispId - the unique number of a method or field

Returns:

true if the dispId represents a method

setFieldValue

public void setFieldValue(int dispId,
                          Object value)

Specified by:

setFieldValue in interface JavaDispatch

Parameters:

dispId - the unique number of a field

value - the value to assign to the field

Throws:

IllegalArgumentException

getMember

protected Member getMember(int dispId)

Parameters:

dispId - the unique number of a method or field

Returns:

the member