/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.axis2.json;

import org.apache.axis2.context.MessageContext;
import org.apache.axis2.description.AxisService;
import org.codehaus.jettison.AbstractXMLInputFactory;
import org.codehaus.jettison.mapped.MappedXMLInputFactory;

import java.io.Reader;

import javax.xml.stream.XMLStreamException;

/**
 * JSON data source implementation for the "Mapped" convention.
 */

public class JSONDataSource extends AbstractJSONDataSource {
    private final MessageContext messageContext;

    public JSONDataSource(Reader jsonReader, MessageContext messageContext) {
        super(jsonReader);
        this.messageContext = messageContext;
    }

    @Override
    protected AbstractXMLInputFactory getXMLInputFactory() throws XMLStreamException {
        AxisService service = messageContext.getAxisService();
        if (service == null) {
            throw new XMLStreamException("AxisService not yet set; unable to create namespace map");
        }

        //input factory for "Mapped" convention
        return new MappedXMLInputFactory(JSONUtil.getNS2JNSMap(service));
    }
}