configfilereader.java

本人历尽千辛万苦找的clustream中的jar包

package org.osu.ogsa.stream.util;

import java.io.*;
import java.lang.*;
import java.util.Hashtable;

public class ConfigFileReader{
	Hashtable store;

	public ConfigFileReader()// constructor
	{
		store = new Hashtable();
	}

	public void init(String fileName)
	{
	       	// open the file for reading 
		String s;
        	try {
                	BufferedReader d = new BufferedReader(new FileReader(fileName));
                        while ( true ) {
				s = d.readLine();//read next line
	//			System.out.println(s);
				if ( s == null )
					break;
				else
					putToTable(s);
                        }
			d.close();
			
		}
		catch ( IOException e )
		{
			System.out.println( "File not closed properly\n" + e.toString() );
			return;
		}
	}

	private void putToTable(String s)
	{
		int lastIndex = s.lastIndexOf('=');
	//	System.out.println("lastIndex of //" + lastIndex);
		if(lastIndex == -1)
		{
			System.err.println("the format of the file is wrong");
			return;
		}
		String strElement = s.substring(0, lastIndex);
		String strValue = s.substring(lastIndex + 1);

                int spaceIndex = strValue.indexOf(' ');
                if(spaceIndex >= 0)
                        strValue = strValue.substring(0, spaceIndex);
                store.put(strElement, strValue);

		//System.out.println(strElement+"=="+strValue);
	}

	public String getString(String name) throws Exception
	{
		String strValue = (String)store.get(name);
		if(strValue == null)
		{
			throw new Exception("No Proper Name");
		}

		return strValue;
	}


	public int getInt(String name) throws Exception
	{
		String strValue = (String)store.get(name);
		if(strValue == null)
		{
			throw new Exception("No Proper Name");
		}
		int i;
		try{
			i = Integer.valueOf(strValue).intValue();
		}
		catch(NumberFormatException e)
		{
			throw new Exception("parsed as an integer");
		}
		return i;
	}

        public boolean getBoolean(String name) throws Exception
        {
                String strValue = (String)store.get(name);
                if(strValue == null)
                {
                        throw new Exception("No Proper Name");
                }
		else if(strValue.equals("true"))
			return true;
		else if(strValue.equals("false"))
			return false;
		else 
                        throw new Exception("parsed as an integer");
        }

	public double getDouble(String name) throws Exception
	{
                                                                                                                             
		String strValue = (String)store.get(name);
		if(strValue == null)
		{
			throw new Exception("No Proper Name");
		}
		double d;
		try{
			d = Double.valueOf(strValue).doubleValue();
		}
		catch(NumberFormatException e)
		{
			throw new Exception("parsed as a double");
		}
		return d;
	}
//An example of a main()
/*	public static void main (String args[] )
            {
                        ConfigFileReader myFile = new ConfigFileReader();
                        myFile.init("a.txt");
			try{
				System.out.println("aaaa"+myFile.getInt("aaaa"));
				System.out.println("bbbb"+myFile.getBoolean("bbbb"));
				System.out.println("cccc"+myFile.getDouble("cccc"));

			}
			catch(Exception e)
			{
				System.err.println(e.toString());
			}
            } */
}