    001    // Copyright 2011 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    // http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.json.services;
    016
    017    import org.apache.tapestry5.internal.json.StringToJSONArray;
    018    import org.apache.tapestry5.internal.json.StringToJSONObject;
    019    import org.apache.tapestry5.ioc.Configuration;
    020    import org.apache.tapestry5.ioc.annotations.Contribute;
    021    import org.apache.tapestry5.ioc.services.CoercionTuple;
    022    import org.apache.tapestry5.ioc.services.TypeCoercer;
    023    import org.apache.tapestry5.json.JSONArray;
    024    import org.apache.tapestry5.json.JSONObject;
    025
    026    /**
    027     * A module that integrates JSON into Tapestry in terms of type coercions.  tapestry-json can still
    028     * be used independently of the rest of Tapestry (since its a 'provided' dependency),
    029     * but when used with tapestry-ioc on the classpath, the coercions described by this module become available.
    030     *
    031     * @since 5.3
    032     */
    033    public class JSONModule
    034    {
    035        /**
    036         * <ul>
    037         * <li>{@link String} to {@link org.apache.tapestry5.json.JSONObject}</li>
    038         * <li>{@link String} to {@link org.apache.tapestry5.json.JSONArray}</li>
    039         * </ul>
    040         */
    041        @Contribute(TypeCoercer.class)
    042        public static void provideCoercions(Configuration<CoercionTuple> configuration)
    043        {
    044            configuration.add(CoercionTuple.create(String.class, JSONObject.class, new StringToJSONObject()));
    045
    046            configuration.add(CoercionTuple.create(String.class, JSONArray.class, new StringToJSONArray()));
    047        }
    048    }