json/src/main/java/org/netbeans/html/json/impl/PropertyBindingAccessor.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Mon, 16 Dec 2013 16:59:43 +0100
branchnetbeans
changeset 362 92fb71afdc0e
parent 358 json/src/main/java/org/apidesign/html/json/impl/PropertyBindingAccessor.java@80702021b851
child 365 5c93ad8c7a15
permissions -rw-r--r--
Moving implementation classes into org.netbeans.html namespace
     1 /**
     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     3  *
     4  * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
     5  *
     6  * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
     7  * Other names may be trademarks of their respective owners.
     8  *
     9  * The contents of this file are subject to the terms of either the GNU
    10  * General Public License Version 2 only ("GPL") or the Common
    11  * Development and Distribution License("CDDL") (collectively, the
    12  * "License"). You may not use this file except in compliance with the
    13  * License. You can obtain a copy of the License at
    14  * http://www.netbeans.org/cddl-gplv2.html
    15  * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
    16  * specific language governing permissions and limitations under the
    17  * License.  When distributing the software, include this License Header
    18  * Notice in each file and include the License file at
    19  * nbbuild/licenses/CDDL-GPL-2-CP.  Oracle designates this
    20  * particular file as subject to the "Classpath" exception as provided
    21  * by Oracle in the GPL Version 2 section of the License file that
    22  * accompanied this code. If applicable, add the following below the
    23  * License Header, with the fields enclosed by brackets [] replaced by
    24  * your own identifying information:
    25  * "Portions Copyrighted [year] [name of copyright owner]"
    26  *
    27  * Contributor(s):
    28  *
    29  * The Original Software is NetBeans. The Initial Developer of the Original
    30  * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
    31  *
    32  * If you wish your version of this file to be governed by only the CDDL
    33  * or only the GPL Version 2, indicate your decision by adding
    34  * "[Contributor] elects to include this software in this distribution
    35  * under the [CDDL or GPL Version 2] license." If you do not indicate a
    36  * single choice of license, a recipient has the option to distribute
    37  * your version of this file under either the CDDL, the GPL Version 2 or
    38  * to extend the choice of license to its licensees as provided above.
    39  * However, if you add GPL Version 2 code and therefore, elected the GPL
    40  * Version 2 license, then the option applies only if the new code is
    41  * made subject to such option by the copyright holder.
    42  */
    43 package org.netbeans.html.json.impl;
    44 
    45 import net.java.html.BrwsrCtx;
    46 import org.apidesign.html.json.spi.FunctionBinding;
    47 import org.apidesign.html.json.spi.JSONCall;
    48 import org.apidesign.html.json.spi.PropertyBinding;
    49 
    50 /**
    51  *
    52  * @author Jaroslav Tulach <jtulach@netbeans.org>
    53  */
    54 public abstract class PropertyBindingAccessor {
    55     private static PropertyBindingAccessor DEFAULT;
    56 
    57     protected PropertyBindingAccessor() {
    58         if (DEFAULT != null) throw new IllegalStateException();
    59         DEFAULT = this;
    60     }
    61     
    62     static {
    63         JSON.initClass(PropertyBinding.class);
    64     }
    65 
    66     protected abstract <M> PropertyBinding newBinding(PBData<M> d);
    67     protected abstract <M> FunctionBinding newFunction(FBData<M> d);
    68     protected abstract JSONCall newCall(
    69         BrwsrCtx ctx, RcvrJSON callback, String urlBefore, String urlAfter,
    70         String method, Object data
    71     );
    72 
    73     
    74     static <M> PropertyBinding create(PBData<M> d) {
    75         return DEFAULT.newBinding(d);
    76     }
    77     static <M> FunctionBinding createFunction(FBData<M> d) {
    78         return DEFAULT.newFunction(d);
    79     }
    80     static JSONCall createCall(
    81         BrwsrCtx ctx, RcvrJSON callback, String urlBefore, String urlAfter, 
    82         String method, Object data
    83     ) {
    84         return DEFAULT.newCall(ctx, callback, urlBefore, urlAfter, method, data);
    85     }
    86 
    87     public static final class PBData<M> {
    88         public final String name;
    89         public final boolean readOnly;
    90         private final M model;
    91         private final SetAndGet<M> access;
    92         private final Bindings<?> bindings;
    93 
    94         public PBData(Bindings<?> bindings, String name, M model, SetAndGet<M> access, boolean readOnly) {
    95             this.bindings = bindings;
    96             this.name = name;
    97             this.model = model;
    98             this.access = access;
    99             this.readOnly = readOnly;
   100         }
   101 
   102         public void setValue(Object v) {
   103             access.setValue(model, v);
   104         }
   105 
   106         public Object getValue() {
   107             return access.getValue(model);
   108         }
   109 
   110         public boolean isReadOnly() {
   111             return readOnly;
   112         }
   113 
   114         public Bindings getBindings() {
   115             return bindings;
   116         }
   117     } // end of PBData
   118     
   119     public static final class FBData<M> {
   120         public final String name;
   121         private final M model;
   122         private final Callback<M> access;
   123 
   124         public FBData(String name, M model, Callback<M> access) {
   125             this.name = name;
   126             this.model = model;
   127             this.access = access;
   128         }
   129 
   130 
   131         public void call(Object data, Object ev) {
   132             access.call(model, data, ev);
   133         }
   134     } // end of FBData
   135 }