org.jfvclient.deserialisers.DpidDeserialiser.java Source code

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Here is the source code for org.jfvclient.deserialisers.DpidDeserialiser.java

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/*
 * Copyright 2013 Niklas Rehfeld.
 *
 * Licensed 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.jfvclient.deserialisers;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import java.lang.reflect.Type;
import org.jfvclient.data.Dpid;

/**
 * Deserialiser for Dpids.
 *
 * @see org.jfvclient.serialisers.DpidSerialiser
 *
 * @author Niklas Rehfeld
 */
public class DpidDeserialiser implements JsonDeserializer<Dpid> {

    @Override
    public Dpid deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
            throws JsonParseException {
        String s = json.getAsString();
        Dpid d = new Dpid(s);
        if (!d.isValid()) {
            throw new JsonParseException("Encountered an invalid DPID: " + s);
        }
        return d;
    }

}