ConfigTestHelper.java

/*
 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package com.sun.enterprise.admin.mbeanapi.config;

import java.lang.reflect.Method;
import com.sun.appserv.management.util.stringifier.SmartStringifier;
import com.sun.appserv.management.util.misc.ExceptionUtil;



/**
 * @author alexkrav
 * @version $Revision: 1.5 $
 */
public class ConfigTestHelper {

    static public String toString(Object o)
    {
        return SmartStringifier.toString(o);
    }
    
    static public void printObj(String title, Object o)
    {
        if(title==null)
            title="";
        System.out.println(title+ toString(o));
    }

    static public Object invokeInMgr(Object mgr, String operation)  throws Exception
    {
       return invokeInMgr(mgr, operation, null, null);   
    }
    
    static public Object invokeInMgr(Object mgr, String operation, Object[] params)  throws Exception
    {
        if(params==null || params.length==0)
            return invokeInMgr(mgr, operation, null, null);   
        Class[] classes = new Class[params.length];
        for(int i=0; i<params.length; i++)
            if(params[i]!=null)
                 classes[i] = params[i].getClass();
            else 
                classes[i] = null;
        return invokeInMgr(mgr, operation, params, classes);   
    }
    
    static public Object invokeInMgr(Object mgr, String operation, Object[] params, Class[] classes) throws Exception
    {
        return invokeInMgr(mgr, operation, params, classes, true);   
    }
    
    static public Object invokeInMgr(Object mgr, String operation, Object[] params, Class[] classes, boolean bHideException) throws Exception
    {
        try
        {
            _lastException = null;
            _lastOperation = operation;
            _lastParams = params;
            
            Object res = null;
            Method method =null;
            Class cl = mgr.getClass();
            method = cl.getMethod(operation, classes);
            res = method.invoke(mgr, params);
            _lastResult    = res;
            return res;
        }
        catch (Exception e)
        {
            _lastException = e;
            _lastResult    = null;
            String msg = getLastExceptionShortMsg();
            if(!bHideException)
            {
                e.printStackTrace();
                throw e;
            }
            return null;
        }
    }
    static void printStackTrace(Throwable t)
    {
       ExceptionUtil.getRootCause(t).printStackTrace();
    }
    static String getLastExceptionShortMsg()
    {
        String msg = null;
        if(_lastException!=null)
            msg = ExceptionUtil.getRootCause(_lastException).getMessage();
        int idx = msg!=null?msg.indexOf('\n'):-1; 
          if(idx>=0)
          {
              int idx2 = msg.indexOf('\n', idx+1);
              if(idx2>=0) 
                  idx = idx2;
              msg = msg.substring(0, idx);
          }
        return "Exception: " + msg + " Operation: "+_lastOperation + "("+ SmartStringifier.toString(_lastParams) +")";
    }
    
    static void replaceStr(StringBuffer buf, String strOld, String strNew)
    {
        int idx = 0;
        int lenOld = strOld.length();
        int lenNew = strNew.length();
        while((idx=buf.indexOf(strOld, idx))>=0)
        {
            buf.replace(idx, idx+lenOld, strNew);
            idx+=lenNew;
        }
    }
    
    static public String camelize(String str)
    {
        if(str.length()==0)
            return str;
        StringBuffer buf = new StringBuffer();
        buf.append(Character.toUpperCase(str.charAt(0)));
        for(int i=1; i<str.length(); i++)
        {
            if(str.charAt(i)=='-')
            {
                i++;
                buf.append(Character.toUpperCase(str.charAt(i)));
            }
            else
                buf.append(str.charAt(i));
        }
        replaceStr(buf, "Jdbc","JDBC");
        replaceStr(buf, "Jndi","JNDI");
        replaceStr(buf, "Http","HTTP");
        replaceStr(buf, "Iiop","IIOP");
        replaceStr(buf, "Ssl", "SSL");
        //String res = buf.toString();
        return buf.toString();
    }
    
    static public Object getBeanAttribute(Object bean, String attributeName) throws Exception
    {

        return invokeInMgr(bean, "get"+camelize(attributeName), null, null, true);
    }
    

    public static Throwable _lastException;
    public static Object _lastResult;
    public static String _lastOperation;
    public static Object[] _lastParams;
}