/*
 * Copyright 2025 the original author or authors.
 *
 * 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.gradle.internal.cc.impl.heap

import com.sun.management.HotSpotDiagnosticMXBean
import java.io.IOException
import java.lang.management.ManagementFactory


internal object HeapDumper {
    private const val HOTSPOT_BEAN_NAME = "com.sun.management:type=HotSpotDiagnostic"

    private var hotspotMBean: HotSpotDiagnosticMXBean? = null

    @Throws(IOException::class)
    fun dumpHeap(filePath: String, live: Boolean = true) {
        if (hotspotMBean == null) {
            hotspotMBean = ManagementFactory.newPlatformMXBeanProxy(
                ManagementFactory.getPlatformMBeanServer(),
                HOTSPOT_BEAN_NAME,
                HotSpotDiagnosticMXBean::class.java
            )
        }
        hotspotMBean?.dumpHeap(filePath, live)
    }
}
