json/src/main/java/org/netbeans/html/json/spi/JSONCall.java
changeset 838 bdc3d696dd4a
parent 790 30f20d9c0986
child 940 bdec4103bdb2
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/json/src/main/java/org/netbeans/html/json/spi/JSONCall.java	Tue Aug 26 18:13:30 2014 +0200
     1.3 @@ -0,0 +1,136 @@
     1.4 +/**
     1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     1.6 + *
     1.7 + * Copyright 2013-2014 Oracle and/or its affiliates. All rights reserved.
     1.8 + *
     1.9 + * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
    1.10 + * Other names may be trademarks of their respective owners.
    1.11 + *
    1.12 + * The contents of this file are subject to the terms of either the GNU
    1.13 + * General Public License Version 2 only ("GPL") or the Common
    1.14 + * Development and Distribution License("CDDL") (collectively, the
    1.15 + * "License"). You may not use this file except in compliance with the
    1.16 + * License. You can obtain a copy of the License at
    1.17 + * http://www.netbeans.org/cddl-gplv2.html
    1.18 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    1.19 + * specific language governing permissions and limitations under the
    1.20 + * License.  When distributing the software, include this License Header
    1.21 + * Notice in each file and include the License file at
    1.22 + * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
    1.23 + * particular file as subject to the "Classpath" exception as provided
    1.24 + * by Oracle in the GPL Version 2 section of the License file that
    1.25 + * accompanied this code. If applicable, add the following below the
    1.26 + * License Header, with the fields enclosed by brackets [] replaced by
    1.27 + * your own identifying information:
    1.28 + * "Portions Copyrighted [year] [name of copyright owner]"
    1.29 + *
    1.30 + * Contributor(s):
    1.31 + *
    1.32 + * The Original Software is NetBeans. The Initial Developer of the Original
    1.33 + * Software is Oracle. Portions Copyright 2013-2014 Oracle. All Rights Reserved.
    1.34 + *
    1.35 + * If you wish your version of this file to be governed by only the CDDL
    1.36 + * or only the GPL Version 2, indicate your decision by adding
    1.37 + * "[Contributor] elects to include this software in this distribution
    1.38 + * under the [CDDL or GPL Version 2] license." If you do not indicate a
    1.39 + * single choice of license, a recipient has the option to distribute
    1.40 + * your version of this file under either the CDDL, the GPL Version 2 or
    1.41 + * to extend the choice of license to its licensees as provided above.
    1.42 + * However, if you add GPL Version 2 code and therefore, elected the GPL
    1.43 + * Version 2 license, then the option applies only if the new code is
    1.44 + * made subject to such option by the copyright holder.
    1.45 + */
    1.46 +package org.netbeans.html.json.spi;
    1.47 +
    1.48 +import java.io.IOException;
    1.49 +import java.io.OutputStream;
    1.50 +import net.java.html.BrwsrCtx;
    1.51 +import org.netbeans.html.json.impl.RcvrJSON;
    1.52 +
    1.53 +/** Description of a JSON call request that is supposed to be processed
    1.54 + * by {@link Transfer#loadJSON(org.netbeans.html.json.spi.JSONCall)} implementors.
    1.55 + *
    1.56 + * @author Jaroslav Tulach
    1.57 + */
    1.58 +public final class JSONCall {
    1.59 +    private final RcvrJSON whenDone;
    1.60 +    private final String urlBefore;
    1.61 +    private final String urlAfter;
    1.62 +    private final String method;
    1.63 +    private final Object data;
    1.64 +    private final BrwsrCtx ctx;
    1.65 +
    1.66 +    JSONCall(BrwsrCtx ctx, RcvrJSON whenDone, String urlBefore, String urlAfter, String method, Object data) {
    1.67 +        this.ctx = ctx;
    1.68 +        this.whenDone = whenDone;
    1.69 +        this.urlBefore = urlBefore;
    1.70 +        this.urlAfter = urlAfter;
    1.71 +        this.method = method;
    1.72 +        this.data = data;
    1.73 +    }
    1.74 +    
    1.75 +    /** Do we have some data to send? Can the {@link #writeData(java.io.OutputStream)} method be 
    1.76 +     * called?
    1.77 +     * 
    1.78 +     * @return true, if the call has some data to send
    1.79 +     */
    1.80 +    public boolean isDoOutput() {
    1.81 +        return this.data != null;
    1.82 +    }
    1.83 +    
    1.84 +    public void writeData(OutputStream os) throws IOException {
    1.85 +        if (this.data == null) {
    1.86 +            throw new IOException("No data!");
    1.87 +        }
    1.88 +        os.write(this.data.toString().getBytes("UTF-8"));
    1.89 +        os.flush();
    1.90 +    }
    1.91 +    
    1.92 +    public String getMethod() {
    1.93 +        return method;
    1.94 +    }
    1.95 +    
    1.96 +    public boolean isJSONP() {
    1.97 +        return urlAfter != null;
    1.98 +    }
    1.99 +    
   1.100 +    public String composeURL(String jsonpCallback) {
   1.101 +        if ((urlAfter == null) != (jsonpCallback == null)) {
   1.102 +            throw new IllegalStateException();
   1.103 +        }
   1.104 +        if (urlAfter != null) {
   1.105 +            return urlBefore + jsonpCallback + urlAfter;
   1.106 +        } else {
   1.107 +            return urlBefore;
   1.108 +        }
   1.109 +    }
   1.110 +
   1.111 +    public void notifySuccess(Object result) {
   1.112 +        if (result == null) {
   1.113 +            dispatch(RcvrJSON.MsgEvnt.createOpen());
   1.114 +        } else {
   1.115 +            dispatch(RcvrJSON.MsgEvnt.createMessage(result));
   1.116 +        }
   1.117 +    }
   1.118 +    
   1.119 +    public void notifyError(Throwable error) {
   1.120 +        if (error == null) {
   1.121 +            dispatch(RcvrJSON.MsgEvnt.createClose());
   1.122 +        } else {
   1.123 +            dispatch(RcvrJSON.MsgEvnt.createError(error));
   1.124 +        }
   1.125 +    }
   1.126 +    
   1.127 +    private void dispatch(final RcvrJSON.MsgEvnt ev) {
   1.128 +        ctx.execute(new Runnable() {
   1.129 +            @Override
   1.130 +            public void run() {
   1.131 +                ev.dispatch(whenDone);
   1.132 +            }
   1.133 +        });
   1.134 +    }
   1.135 +
   1.136 +    public String getMessage() {
   1.137 +        return this.data.toString();
   1.138 +    }
   1.139 +}