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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 1997-2010 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.apidesign.html.json.spi;
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import java.io.IOException;
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import java.io.OutputStream;
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import net.java.html.BrwsrCtx;
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import org.netbeans.html.json.impl.JSON;
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import org.netbeans.html.json.impl.RcvrJSON;
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/** Description of a JSON call request that is supposed to be processed
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* by {@link Transfer#loadJSON(org.apidesign.html.json.spi.JSONCall)} implementors.
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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public final class JSONCall {
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private final RcvrJSON whenDone;
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private final String urlBefore;
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private final String urlAfter;
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private final String method;
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private final Object data;
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private final BrwsrCtx ctx;
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JSONCall(BrwsrCtx ctx, RcvrJSON whenDone, String urlBefore, String urlAfter, String method, Object data) {
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this.ctx = ctx;
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this.whenDone = whenDone;
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this.urlBefore = urlBefore;
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this.urlAfter = urlAfter;
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this.method = method;
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this.data = data;
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}
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/** Do we have some data to send? Can the {@link #writeData(java.io.OutputStream)} method be
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* called?
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*
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* @return true, if the call has some data to send
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*/
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public boolean isDoOutput() {
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return this.data != null;
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}
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public void writeData(OutputStream os) throws IOException {
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if (this.data == null) {
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throw new IOException("No data!");
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}
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os.write(this.data.toString().getBytes("UTF-8"));
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os.flush();
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}
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public String getMethod() {
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return method;
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}
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public boolean isJSONP() {
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return urlAfter != null;
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}
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public String composeURL(String jsonpCallback) {
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if ((urlAfter == null) != (jsonpCallback == null)) {
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throw new IllegalStateException();
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}
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if (urlAfter != null) {
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return urlBefore + jsonpCallback + urlAfter;
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} else {
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return urlBefore;
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}
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}
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public void notifySuccess(Object result) {
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if (result == null) {
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dispatch(RcvrJSON.MsgEvnt.createOpen());
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} else {
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dispatch(RcvrJSON.MsgEvnt.createMessage(result));
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}
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}
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public void notifyError(Throwable error) {
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if (error == null) {
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dispatch(RcvrJSON.MsgEvnt.createClose());
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} else {
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dispatch(RcvrJSON.MsgEvnt.createError(error));
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}
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}
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private void dispatch(final RcvrJSON.MsgEvnt ev) {
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JSON.runInBrowser(ctx, new Runnable() {
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@Override
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public void run() {
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ev.dispatch(whenDone);
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}
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});
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}
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public String getMessage() {
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return this.data.toString();
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}
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}
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