jaroslav@1189: /**
jaroslav@1189:  * HTML via Java(tm) Language Bindings
jaroslav@1189:  * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@1189:  *
jaroslav@1189:  * This program is free software: you can redistribute it and/or modify
jaroslav@1189:  * it under the terms of the GNU General Public License as published by
jaroslav@1189:  * the Free Software Foundation, version 2 of the License.
jaroslav@1189:  *
jaroslav@1189:  * This program is distributed in the hope that it will be useful,
jaroslav@1189:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@1189:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@1189:  * GNU General Public License for more details. apidesign.org
jaroslav@1189:  * designates this particular file as subject to the
jaroslav@1189:  * "Classpath" exception as provided by apidesign.org
jaroslav@1189:  * in the License file that accompanied this code.
jaroslav@1189:  *
jaroslav@1189:  * You should have received a copy of the GNU General Public License
jaroslav@1189:  * along with this program. Look for COPYING file in the top folder.
jaroslav@1189:  * If not, see http://wiki.apidesign.org/wiki/GPLwithClassPathException
jaroslav@1189:  */
jaroslav@1189: package org.apidesign.html.ko2brwsr;
jaroslav@1189: 
jaroslav@1199: import java.io.ByteArrayOutputStream;
jaroslav@1196: import java.io.IOException;
jaroslav@1196: import java.io.InputStream;
jaroslav@1196: import java.io.InputStreamReader;
jaroslav@1220: import net.java.html.BrwsrCtx;
jaroslav@1220: import org.apidesign.html.context.spi.Contexts;
jaroslav@1189: import org.apidesign.html.json.spi.FunctionBinding;
jaroslav@1189: import org.apidesign.html.json.spi.JSONCall;
jaroslav@1189: import org.apidesign.html.json.spi.PropertyBinding;
jaroslav@1189: import org.apidesign.html.json.spi.Technology;
jaroslav@1189: import org.apidesign.html.json.spi.Transfer;
jaroslav@1189: 
jaroslav@1189: /**
jaroslav@1189:  *
jaroslav@1189:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@1189:  */
jaroslav@1220: final class BrwsrCtxImpl implements Technology<Object>, Transfer {
jaroslav@1220:     private BrwsrCtxImpl() {}
jaroslav@1189:     
jaroslav@1220:     public static final BrwsrCtxImpl DEFAULT = new BrwsrCtxImpl();
jaroslav@1189:     
jaroslav@1189:     @Override
jaroslav@1189:     public void extract(Object obj, String[] props, Object[] values) {
jaroslav@1189:         ConvertTypes.extractJSON(obj, props, values);
jaroslav@1189:     }
jaroslav@1189: 
jaroslav@1189:     @Override
jaroslav@1189:     public void loadJSON(final JSONCall call) {
jaroslav@1189:         class R implements Runnable {
jaroslav@1189:             Object[] arr = { null };
jaroslav@1189:             @Override
jaroslav@1189:             public void run() {
jaroslav@1189:                 call.notifySuccess(arr[0]);
jaroslav@1189:             }
jaroslav@1189:         }
jaroslav@1189:         R r = new R();
jaroslav@1189:         if (call.isJSONP()) {
jaroslav@1189:             String me = ConvertTypes.createJSONP(r.arr, r);
jaroslav@1199:             ConvertTypes.loadJSONP(call.composeURL(me), me);
jaroslav@1189:         } else {
jaroslav@1199:             String data = null;
jaroslav@1199:             if (call.isDoOutput()) {
jaroslav@1199:                 try {
jaroslav@1199:                     ByteArrayOutputStream bos = new ByteArrayOutputStream();
jaroslav@1199:                     call.writeData(bos);
jaroslav@1199:                     data = new String(bos.toByteArray(), "UTF-8");
jaroslav@1199:                 } catch (IOException ex) {
jaroslav@1199:                     call.notifyError(ex);
jaroslav@1199:                 }
jaroslav@1199:             }
jaroslav@1199:             ConvertTypes.loadJSON(call.composeURL(null), r.arr, r, call.getMethod(), data);
jaroslav@1189:         }
jaroslav@1189:     }
jaroslav@1189: 
jaroslav@1189:     @Override
jaroslav@1189:     public Object wrapModel(Object model) {
jaroslav@1189:         return model;
jaroslav@1189:     }
jaroslav@1189: 
jaroslav@1189:     @Override
jaroslav@1189:     public void bind(PropertyBinding b, Object model, Object data) {
jaroslav@1189:         Knockout.bind(data, b, b.getPropertyName(), 
jaroslav@1189:             "getValue__Ljava_lang_Object_2", 
jaroslav@1189:             b.isReadOnly() ? null : "setValue__VLjava_lang_Object_2", 
jaroslav@1189:             false, false
jaroslav@1189:         );
jaroslav@1189:     }
jaroslav@1189: 
jaroslav@1189:     @Override
jaroslav@1189:     public void valueHasMutated(Object data, String propertyName) {
jaroslav@1189:         Knockout.valueHasMutated(data, propertyName);
jaroslav@1189:     }
jaroslav@1189: 
jaroslav@1189:     @Override
jaroslav@1189:     public void expose(FunctionBinding fb, Object model, Object d) {
jaroslav@1189:         Knockout.expose(d, fb, fb.getFunctionName(), "call__VLjava_lang_Object_2Ljava_lang_Object_2");
jaroslav@1189:     }
jaroslav@1189: 
jaroslav@1189:     @Override
jaroslav@1189:     public void applyBindings(Object data) {
jaroslav@1189:         Knockout.applyBindings(data);
jaroslav@1189:     }
jaroslav@1189: 
jaroslav@1189:     @Override
jaroslav@1189:     public Object wrapArray(Object[] arr) {
jaroslav@1189:         return arr;
jaroslav@1189:     }
jaroslav@1189: 
jaroslav@1189:     @Override
jaroslav@1189:     public <M> M toModel(Class<M> modelClass, Object data) {
jaroslav@1189:         return modelClass.cast(data);
jaroslav@1189:     }
jaroslav@1196: 
jaroslav@1196:     @Override
jaroslav@1196:     public Object toJSON(InputStream is) throws IOException {
jaroslav@1196:         StringBuilder sb = new StringBuilder();
jaroslav@1196:         InputStreamReader r = new InputStreamReader(is);
jaroslav@1196:         for (;;) {
jaroslav@1196:             int ch = r.read();
jaroslav@1196:             if (ch == -1) {
jaroslav@1196:                 break;
jaroslav@1196:             }
jaroslav@1196:             sb.append((char)ch);
jaroslav@1196:         }
jaroslav@1196:         return ConvertTypes.parse(sb.toString());
jaroslav@1196:     }
jaroslav@1189: }