/*
 * ============LICENSE_START=======================================================
 * dcaegen2-collectors-veshv
 * ================================================================================
 * Copyright (C) 2019 NOKIA
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
package org.onap.dcae.collectors.veshv.config.impl.gsonadapters

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 java.net.InetSocketAddress

/**
 * @author Pawel Biniek <pawel.biniek@nokia.com>
 * @since February 2019
 */
internal class AddressAdapter : JsonDeserializer<InetSocketAddress> {
    override fun deserialize(
            json: JsonElement,
            typeOfT: Type,
            context: JsonDeserializationContext): InetSocketAddress {
        val portStart = json.asString.lastIndexOf(":")
        if (portStart > 0) {
            val address = json.asString.substring(0, portStart)
            val port = json.asString.substring(portStart + 1)
            return InetSocketAddress(address, port.toInt())
        } else throw InvalidAddressException("Cannot parse '" + json.asString + "' to address")
    }

    class InvalidAddressException(reason: String) : RuntimeException(reason)
}