org.jutils.jprocesses.info.AbstractProcessesService Maven / Gradle / Ivy

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Library to manage system processes using Java
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/*
 * Copyright 2016 Javier Garcia Alonso.
 *
 * 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.jutils.jprocesses.info;

import org.jutils.jprocesses.model.JProcessesResponse;
import org.jutils.jprocesses.model.ProcessInfo;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * Info related with processes
 *
 * @author Javier Garcia Alonso
 */
abstract class AbstractProcessesService implements ProcessesService {
    
    protected boolean fastMode = false;

    public List getList() {
        return getList(null);
    }
    
    public List getList(boolean fastMode) {
        return getList(null, fastMode);
    }
    
    public List getList(String name) {
        return getList(name, false);
    }

    public List getList(String name, boolean fastMode) {
        this.fastMode = fastMode;
        String rawData = getProcessesData(name);

        List> mapList = parseList(rawData);

        return buildInfoFromMap(mapList);
    }

    public JProcessesResponse killProcess(int pid) {
        return kill(pid);
    }

    public JProcessesResponse killProcessGracefully(int pid) {
        return killGracefully(pid);
    }

    protected abstract List> parseList(String rawData);

    protected abstract String getProcessesData(String name);

    protected abstract JProcessesResponse kill(int pid);

    protected abstract JProcessesResponse killGracefully(int pid);

    private List buildInfoFromMap(List> mapList) {
        List infoList = new ArrayList();

        for (final Map map : mapList) {
            ProcessInfo info = new ProcessInfo();
            info.setPid(map.get("pid"));
            info.setName(map.get("proc_name"));
            info.setTime(map.get("proc_time"));
            info.setCommand((map.get("command") != null) ? map.get("command") : "");
            info.setCpuUsage(map.get("cpu_usage"));
            info.setPhysicalMemory(map.get("physical_memory"));
            info.setStartTime(map.get("start_time"));
            info.setUser(map.get("user"));
            info.setVirtualMemory(map.get("virtual_memory"));
            info.setPriority(map.get("priority"));
            
            //Adds extra data
            info.setExtraData(map);

            infoList.add(info);
        }

        return infoList;
    }
}