1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/ko-bck2brwsr/src/main/java/org/apidesign/html/ko2brwsr/BrwsrCtxImpl.java	Tue May 28 13:31:42 2013 +0200
     1.3 @@ -0,0 +1,129 @@
     1.4 +/**
     1.5 + * HTML via Java(tm) Language Bindings
     1.6 + * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License as published by
    1.10 + * the Free Software Foundation, version 2 of the License.
    1.11 + *
    1.12 + * This program is distributed in the hope that it will be useful,
    1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 + * GNU General Public License for more details. apidesign.org
    1.16 + * designates this particular file as subject to the
    1.17 + * "Classpath" exception as provided by apidesign.org
    1.18 + * in the License file that accompanied this code.
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License
    1.21 + * along with this program. Look for COPYING file in the top folder.
    1.22 + * If not, see http://wiki.apidesign.org/wiki/GPLwithClassPathException
    1.23 + */
    1.24 +package org.apidesign.html.ko2brwsr;
    1.25 +
    1.26 +import java.io.ByteArrayOutputStream;
    1.27 +import java.io.IOException;
    1.28 +import java.io.InputStream;
    1.29 +import java.io.InputStreamReader;
    1.30 +import net.java.html.BrwsrCtx;
    1.31 +import org.apidesign.html.context.spi.Contexts;
    1.32 +import org.apidesign.html.json.spi.FunctionBinding;
    1.33 +import org.apidesign.html.json.spi.JSONCall;
    1.34 +import org.apidesign.html.json.spi.PropertyBinding;
    1.35 +import org.apidesign.html.json.spi.Technology;
    1.36 +import org.apidesign.html.json.spi.Transfer;
    1.37 +
    1.38 +/**
    1.39 + *
    1.40 + * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.41 + */
    1.42 +final class BrwsrCtxImpl implements Technology<Object>, Transfer {
    1.43 +    private BrwsrCtxImpl() {}
    1.44 +    
    1.45 +    public static final BrwsrCtxImpl DEFAULT = new BrwsrCtxImpl();
    1.46 +    
    1.47 +    @Override
    1.48 +    public void extract(Object obj, String[] props, Object[] values) {
    1.49 +        ConvertTypes.extractJSON(obj, props, values);
    1.50 +    }
    1.51 +
    1.52 +    @Override
    1.53 +    public void loadJSON(final JSONCall call) {
    1.54 +        class R implements Runnable {
    1.55 +            Object[] arr = { null };
    1.56 +            @Override
    1.57 +            public void run() {
    1.58 +                call.notifySuccess(arr[0]);
    1.59 +            }
    1.60 +        }
    1.61 +        R r = new R();
    1.62 +        if (call.isJSONP()) {
    1.63 +            String me = ConvertTypes.createJSONP(r.arr, r);
    1.64 +            ConvertTypes.loadJSONP(call.composeURL(me), me);
    1.65 +        } else {
    1.66 +            String data = null;
    1.67 +            if (call.isDoOutput()) {
    1.68 +                try {
    1.69 +                    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    1.70 +                    call.writeData(bos);
    1.71 +                    data = new String(bos.toByteArray(), "UTF-8");
    1.72 +                } catch (IOException ex) {
    1.73 +                    call.notifyError(ex);
    1.74 +                }
    1.75 +            }
    1.76 +            ConvertTypes.loadJSON(call.composeURL(null), r.arr, r, call.getMethod(), data);
    1.77 +        }
    1.78 +    }
    1.79 +
    1.80 +    @Override
    1.81 +    public Object wrapModel(Object model) {
    1.82 +        return model;
    1.83 +    }
    1.84 +
    1.85 +    @Override
    1.86 +    public void bind(PropertyBinding b, Object model, Object data) {
    1.87 +        Knockout.bind(data, b, b.getPropertyName(), 
    1.88 +            "getValue__Ljava_lang_Object_2", 
    1.89 +            b.isReadOnly() ? null : "setValue__VLjava_lang_Object_2", 
    1.90 +            false, false
    1.91 +        );
    1.92 +    }
    1.93 +
    1.94 +    @Override
    1.95 +    public void valueHasMutated(Object data, String propertyName) {
    1.96 +        Knockout.valueHasMutated(data, propertyName);
    1.97 +    }
    1.98 +
    1.99 +    @Override
   1.100 +    public void expose(FunctionBinding fb, Object model, Object d) {
   1.101 +        Knockout.expose(d, fb, fb.getFunctionName(), "call__VLjava_lang_Object_2Ljava_lang_Object_2");
   1.102 +    }
   1.103 +
   1.104 +    @Override
   1.105 +    public void applyBindings(Object data) {
   1.106 +        Knockout.applyBindings(data);
   1.107 +    }
   1.108 +
   1.109 +    @Override
   1.110 +    public Object wrapArray(Object[] arr) {
   1.111 +        return arr;
   1.112 +    }
   1.113 +
   1.114 +    @Override
   1.115 +    public <M> M toModel(Class<M> modelClass, Object data) {
   1.116 +        return modelClass.cast(data);
   1.117 +    }
   1.118 +
   1.119 +    @Override
   1.120 +    public Object toJSON(InputStream is) throws IOException {
   1.121 +        StringBuilder sb = new StringBuilder();
   1.122 +        InputStreamReader r = new InputStreamReader(is);
   1.123 +        for (;;) {
   1.124 +            int ch = r.read();
   1.125 +            if (ch == -1) {
   1.126 +                break;
   1.127 +            }
   1.128 +            sb.append((char)ch);
   1.129 +        }
   1.130 +        return ConvertTypes.parse(sb.toString());
   1.131 +    }
   1.132 +}