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 package org.netbeans.html.json.impl;

 import org.apidesign.html.json.spi.PropertyBinding;

 import net.java.html.BrwsrCtx;

 import org.netbeans.html.json.impl.PropertyBindingAccessor.FBData;

 import org.netbeans.html.json.impl.PropertyBindingAccessor.PBData;

 import org.apidesign.html.json.spi.FunctionBinding;

 import org.apidesign.html.json.spi.Technology;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 public final class Bindings<Data> {

     private Data data;

     private final Technology<Data> bp;

     private Bindings(Technology<Data> bp) {

         this.bp = bp;

     }

     public <M> PropertyBinding registerProperty(String propName, M model, SetAndGet<M> access, boolean readOnly) {

         return PropertyBindingAccessor.create(new PBData<M>(this, propName, model, access, readOnly));

     }

     public <M> FunctionBinding registerFunction(String name, M model, Callback<M> access) {

         return PropertyBindingAccessor.createFunction(new FBData<M>(name, model, access));

     }

     public static Bindings<?> apply(BrwsrCtx c, Object model) {

         Technology<?> bp = JSON.findTechnology(c);

         return apply(bp);

     }

     private static <Data> Bindings<Data> apply(Technology<Data> bp) {

         return new Bindings<Data>(bp);

     }

     public final void finish(Object model, PropertyBinding[] propArr, FunctionBinding[] funcArr) {

         assert data == null;

         if (bp instanceof Technology.BatchInit) {

             Technology.BatchInit<Data> bi = (Technology.BatchInit<Data>)bp;

             data = bi.wrapModel(model, propArr, funcArr);

         } else {

             data = bp.wrapModel(model);

             for (PropertyBinding b : propArr) {

                 bp.bind(b, model, data);

             }

             for (FunctionBinding b : funcArr) {

                 bp.expose(b, model, data);

             }

         }

     }

     public Data koData() {

         return data;

     }

     public void valueHasMutated(String firstName) {

         bp.valueHasMutated(data, firstName);

     }

     public void applyBindings() {

         bp.applyBindings(data);

     }

     Object wrapArray(Object[] arr) {

         return bp.wrapArray(arr);

     }

 }