Package com.vaadin.swingkit.core

Class InvocationUtils

java.lang.Object

com.vaadin.swingkit.core.InvocationUtils

public class InvocationUtils
extends Object

Utility class to handle method invocations between a Swing app and a Vaadin app embedded in a JVaadinPanel.

Method Summary

Modifier and Type	Method	Description
static MethodInvocation	create(Method method, Object[] args)	Creates a MethodInvocation instance out of a method and the arguments used in its call.
static <E> E	decode(String encodedMethodInvocation)	Decodes a Base64 String and returns the object encoded in it.
static String	encode(Object methodInvocation)	Encode a method invocation call or any other object into a Base64 string.
static String	encode(Method method, Object[] args)	Encode a method invocation call and its arguments into a Base64 string.

Methods inherited from class java.lang.Object

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

Method Details

encode

public static String encode(Object methodInvocation)
                     throws IOException

Encode a method invocation call or any other object into a Base64 string.

Parameters:

methodInvocation - the object to encode, usually a MethodInvocation instance.

Returns:

a Base64 string encoding of the object.

Throws:

IOException - if any problems occur while encoding the object.

See Also:

• MethodInvocation

encode

public static String encode(Method method,
 Object[] args)
                     throws IOException

Encode a method invocation call and its arguments into a Base64 string.

Parameters:

method - the method to encode.

args - the arguments of the method call.

Returns:

a Base64 String encoding of the method call.

Throws:

IOException - if any problems occur while encoding the object.

create

public static MethodInvocation create(Method method,
 Object[] args)

Creates a MethodInvocation instance out of a method and the arguments used in its call.

Parameters:

method - the method in question.

args - the arguments used when calling the method.

Returns:

a MethodInvocation representing the method call with the passed in arguments.

decode

public static <E> E decode(String encodedMethodInvocation)
                    throws IOException,
ClassNotFoundException

Decodes a Base64 String and returns the object encoded in it. The encoded object can be anything, whether an InvocationResponse, a MethodInvocation or a VaadinSwingEvent.

Type Parameters:

E - the type of the encoded object.

Parameters:

encodedMethodInvocation - the Base64 String to decode.

Returns:

the object represented by the encoded String.

Throws:

IOException - if there's any problem decoding the object.

ClassNotFoundException - if the class of the object is not present at runtime.