com.google.gwt.dev.shell

Class JsValueGlue

java.lang.Object

com.google.gwt.dev.shell.JsValueGlue

public final class JsValueGlue
extends Object

Glue layer that performs GWT-specific operations on JsValues. Used to isolate HostedModeExceptions/etc from JsValue code

Field Summary

Fields

Modifier and Type	Field and Description
static String	HOSTED_MODE_REFERENCE
static String	JSO_CLASS
static String	JSO_IMPL_CLASS

Method Summary

Modifier and Type	Method and Description
static Object	createJavaScriptObject(JsValue value, CompilingClassLoader classLoader) Create a JavaScriptObject instance referring to this JavaScript object.
static <T> T	get(JsValue value, CompilingClassLoader cl, Class<T> type, String msgPrefix) Return an object containing the value JavaScript object as a specified type.
static void	set(JsValue value, CompilingClassLoader cl, Class<?> type, Object obj) Set the underlying value.

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Field Detail

HOSTED_MODE_REFERENCE

public static final String HOSTED_MODE_REFERENCE

See Also:

Constant Field Values

JSO_CLASS

public static final String JSO_CLASS

See Also:

Constant Field Values

JSO_IMPL_CLASS

public static final String JSO_IMPL_CLASS

See Also:

Constant Field Values

Method Detail

createJavaScriptObject

public static Object createJavaScriptObject(JsValue value,
                                            CompilingClassLoader classLoader)

Create a JavaScriptObject instance referring to this JavaScript object.

Parameters:

classLoader - the classLoader to create from

Returns:

the constructed JavaScriptObject

get

public static <T> T get(JsValue value,
                        CompilingClassLoader cl,
                        Class<T> type,
                        String msgPrefix)

Return an object containing the value JavaScript object as a specified type.

Parameters:

value - the JavaScript value

type - expected type of the returned object

msgPrefix - a prefix for error/warning messages

Returns:

the object reference

Throws:

HostedModeException - if the JavaScript object is not assignable to the supplied type.

set

public static void set(JsValue value,
                       CompilingClassLoader cl,
                       Class<?> type,
                       Object obj)

Set the underlying value.

Parameters:

value - JsValue to set

type - static type of the object

obj - the object to store in the JS value