org.jitsi.utils.OrderedJsonObject.kt Maven / Gradle / Ivy

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A set of basic utilities used in Jitsi projects

There is a newer version: 1.0-133-g6af1020

/*
 * Copyright @ 2018 - present 8x8, Inc.
 *
 * 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.jitsi.utils

import org.json.simple.JSONAware
import org.json.simple.JSONObject
import org.json.simple.JSONStreamAware
import java.io.Writer

/**
 * Functions just like [JSONObject], but preserves the order
 * in which keys were added (which is useful for things like
 * stats where we want to group similar values and preserve
 * the pipeline stats order).
 */
class OrderedJsonObject :
    MutableMap by LinkedHashMap(),
    JSONAware,
    JSONStreamAware {

    override fun toJSONString(): String = JSONObject.toJSONString(this)
    override fun writeJSONString(writer: Writer) = JSONObject.writeJSONString(this, writer)
}