Child.java

/*
 * Copyright 2011 Chad Retz
 * 
 * Licensed 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 org.gwtnode.core.node.childprocess;

import org.gwtnode.core.meta.GwtNodeEvent;
import org.gwtnode.core.meta.GwtNodeFunction;
import org.gwtnode.core.meta.GwtNodeProperty;
import org.gwtnode.core.node.event.EventEmitter;
import org.gwtnode.core.node.stream.ReadableStream;
import org.gwtnode.core.node.stream.WritableStream;

/**
 * A node.js child process that comes from exec or spawn on
 * {@link ChildProcess}.
 * 
 * @author Chad Retz
 */
public class Child extends EventEmitter {

    protected Child() {
    }

    @GwtNodeEvent
    public final void onExit(ExitEventHandler handler) {
        on("exit", handler);
    }

    @GwtNodeProperty
    public final native WritableStream stdin() /*-{
        return this.stdin;
    }-*/;

    @GwtNodeProperty
    public final native ReadableStream stdout() /*-{
        return this.stdout;
    }-*/;

    @GwtNodeProperty
    public final native ReadableStream stderr() /*-{
        return this.stderr;
    }-*/;

    @GwtNodeProperty
    public final native int pid() /*-{
        return this.pid;
    }-*/;

    @GwtNodeFunction
    public final native void kill() /*-{
        this.kill();
    }-*/;

    @GwtNodeFunction
    public final native void kill(String signal) /*-{
        this.kill(signal);
    }-*/;
}