All Downloads are FREE. Search and download functionalities are using the official Maven repository.

net.java.html.js.tests.Receiver Maven / Gradle / Ivy

Go to download

Test Compatibility Kit for anyone who wants to consume the net.java.html.json APIs and render their objects using own technology (e.g. own browser, MVVC, etc.).

The newest version!
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package net.java.html.js.tests;

import java.lang.ref.Reference;
import java.lang.ref.WeakReference;
import net.java.html.js.JavaScriptBody;

/**
 */
public final class Receiver {
    private final Object fn;
    Object value;
    final Reference ref;

    public Receiver(Object v) {
        this.fn = initFn(v);
        this.ref = new WeakReference(v);
        this.value = this;
    }
    
    public void apply() {
        fnApply(fn, this);
    }
    
    void set(Object v) {
        value = v;
    }
    
    @JavaScriptBody(args = { "v" }, keepAlive = false, javacall = true, 
        body = """
               return function(rec) {
                 [email protected]::set(Ljava/lang/Object;)(v);
               };
               """)
    private static native Object initFn(Object v);
    
    @JavaScriptBody(args = { "fn", "thiz" }, body =
        "fn(thiz);"
    )
    private static native void fnApply(Object fn, Receiver thiz);
}