jarm.java

SAP这个系统的一个转换器

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   Jarm.java

package com.sap.mw.jco.util;

import com.sap.mw.jco.JCO;
import com.sap.util.monitor.jarm.IMonitor;
import com.sap.util.monitor.jarm.TaskMonitor;

public class Jarm
{
    public static class Monitor
    {

        public void setUser(String user)
        {
            monitor.setUser(user);
        }

        public void startComponent(String name)
        {
            currentComponent = name;
            monitor.startComponent(name);
        }

        public void compAction(String compName, String action)
        {
            monitor.compAction(compName, action);
        }

        public void compAction(String action)
        {
            monitor.compAction(reqName, action);
        }

        public void endComponent(String name)
        {
            monitor.endComponent(name);
        }

        public void startComponent()
        {
            monitor.startComponent(reqName);
        }

        public void endComponent()
        {
            if(currentComponent == null)
            {
                monitor.endComponent(reqName);
            } else
            {
                endComponent(currentComponent);
                currentComponent = null;
            }
        }

        public void endRequest()
        {
            monitor.endRequest(reqName);
        }

        private IMonitor monitor;
        private String reqName;
        private String currentComponent;

        protected Monitor(IMonitor monitor, String reqName)
        {
            this.reqName = null;
            currentComponent = null;
            this.reqName = reqName;
            this.monitor = monitor;
        }
    }


    public Jarm()
    {
    }

    public static boolean setState(String value)
    {
        if(value == null)
            return false;
        if("1".equals(value))
        {
            if(!isInClasspath())
                throw new com.sap.mw.jco.JCO.Exception(155, "JCO_ERROR_JARM_LOAD_ERROR", "jARM library not found in CLASSPATH. Please check CLASSPATH.");
            else
                return true;
        } else
        {
            jarm_state = 0;
            return false;
        }
    }

    public static boolean isInClasspath()
    {
        if((jarm_state & 1) == 0)
            try
            {
                Class.forName("com.sap.util.monitor.jarm.IMonitor");
                jarm_state |= 2;
            }
            catch(Exception ex) { }
            finally
            {
                jarm_state |= 1;
            }
        return (jarm_state & 2) != 0;
    }

    public static Monitor getRequestMonitor(String user, String reqName)
    {
        if((jarm_state & 1) != 0)
            return new Monitor(TaskMonitor.getRequestMonitor(user, reqName), reqName);
        else
            return null;
    }

    private static final byte ON = 1;
    private static final byte IN_CLASSPATH = 2;
    private static byte jarm_state = 0;

}