    001// Copyright 2011-2013 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
    015package org.apache.tapestry5.json.modules;
    016
    017import org.apache.tapestry5.internal.json.StringToJSONArray;
    018import org.apache.tapestry5.internal.json.StringToJSONObject;
    019import org.apache.tapestry5.ioc.Configuration;
    020import org.apache.tapestry5.ioc.annotations.Contribute;
    021import org.apache.tapestry5.ioc.services.CoercionTuple;
    022import org.apache.tapestry5.ioc.services.TypeCoercer;
    023import org.apache.tapestry5.json.JSONArray;
    024import 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 */
    033public 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     * @param configuration the configuration to provide the type coercer to
    041     */
    042    @Contribute(TypeCoercer.class)
    043    public static void provideCoercions(Configuration<CoercionTuple> configuration)
    044    {
    045        configuration.add(CoercionTuple.create(String.class, JSONObject.class, new StringToJSONObject()));
    046
    047        configuration.add(CoercionTuple.create(String.class, JSONArray.class, new StringToJSONArray()));
    048    }
    049}