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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 2013-2013 Oracle and/or its affiliates. All rights reserved.
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*
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* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
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* Other names may be trademarks of their respective owners.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* Notice in each file and include the License file at
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* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the
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* License Header, with the fields enclosed by brackets [] replaced by
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* your own identifying information:
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* "Portions Copyrighted [year] [name of copyright owner]"
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*
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* Contributor(s):
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*
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
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*
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* If you wish your version of this file to be governed by only the CDDL
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* or only the GPL Version 2, indicate your decision by adding
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* "[Contributor] elects to include this software in this distribution
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* under the [CDDL or GPL Version 2] license." If you do not indicate a
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* single choice of license, a recipient has the option to distribute
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* your version of this file under either the CDDL, the GPL Version 2 or
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* to extend the choice of license to its licensees as provided above.
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* Version 2 license, then the option applies only if the new code is
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* made subject to such option by the copyright holder.
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*/
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package org.netbeans.html.json.impl;
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import net.java.html.BrwsrCtx;
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/** Super type for those who wish to receive JSON messages.
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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public abstract class RcvrJSON {
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protected void onOpen(MsgEvnt msg) {}
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protected abstract void onMessage(MsgEvnt msg);
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protected void onClose(MsgEvnt msg) {}
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protected abstract void onError(MsgEvnt msg);
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public abstract static class MsgEvnt {
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MsgEvnt() {
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}
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public Throwable getError() {
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return null;
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}
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public final Exception getException() {
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Throwable t = getError();
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if (t instanceof Exception) {
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return (Exception)t;
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}
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if (t == null) {
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return null;
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}
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return new Exception(t);
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}
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public int dataSize() {
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return -1;
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}
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public <Data> void dataRead(BrwsrCtx ctx, Class<? extends Data> type, Data[] fillTheArray) {
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}
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public abstract void dispatch(RcvrJSON r);
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public static MsgEvnt createError(final Throwable t) {
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return new MsgEvnt() {
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@Override
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public Throwable getError() {
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return t;
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}
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@Override
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public void dispatch(RcvrJSON r) {
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r.onError(this);
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}
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};
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}
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public static MsgEvnt createMessage(final Object value) {
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return new MsgEvnt() {
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@Override
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public int dataSize() {
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if (value instanceof Object[]) {
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return ((Object[])value).length;
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} else {
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return 1;
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}
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}
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@Override
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public <Data> void dataRead(BrwsrCtx context, Class<? extends Data> type, Data[] arr) {
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if (value instanceof Object[]) {
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Object[] data = ((Object[]) value);
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for (int i = 0; i < data.length && i < arr.length; i++) {
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arr[i] = org.netbeans.html.json.impl.JSON.read(context, type, data[i]);
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}
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} else {
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if (arr.length > 0) {
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arr[0] = org.netbeans.html.json.impl.JSON.read(context, type, value);
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}
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}
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}
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@Override
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public void dispatch(RcvrJSON r) {
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r.onMessage(this);
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}
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};
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}
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public static MsgEvnt createOpen() {
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return new MsgEvnt() {
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@Override
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public void dispatch(RcvrJSON r) {
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r.onOpen(this);
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}
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};
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}
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public static MsgEvnt createClose() {
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return new MsgEvnt() {
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@Override
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public void dispatch(RcvrJSON r) {
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r.onClose(this);
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}
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};
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}
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} // end MsgEvnt
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}
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