test1

gistfile1.java

package cz.ing;

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.ArrayList;

public class Peck {
	static String screenStart = "CHARGE CODE INQUIRY";
	static String inputData = "3,18,22;3,41,45;4,20,22;4,42,48";
	static String inputFile = "c:\\dizzi\\prj\\keyfiles\\chrgcapt.txt";
	static boolean debug = false;
	
	public static void main(String[] args) throws Exception {
		if(args.length<3){
			System.out.println("Wrong parameters count! \n" +
					"Usage:\n" +
					"java -jar Peck <Input file> <Input fields> <First line string>  [debug] \n" +
					"\n" +
					"Input file - file containing text\n" +
					"ie: c:\\foo\\bar.txt\n" +
					"Input fields - fields in format line,start,end;line2,start,end\n" +
					"ie: '3,18,22;3,41,45;4,20,22;4,42,48'\n" +
					"First line string - input fields' lines are counted from line containing this\n" +
					"ie: 'CHARGE CODE INQUIRY'\n" +
					"Debug - optional parameter, | is inserted between fields\n" +
					"ie: debug");
			return;
		}
				
		Peck peck = new Peck();

		BufferedReader datain = new BufferedReader(new FileReader(args[0]));
		ArrayList<Field> fields = peck.prepareData(args[1]);
		screenStart = args[2];
		if(args.length>3)
			debug = true;
		
		peck.hard(datain, fields, debug);
	}
	
	void hard(BufferedReader datain, ArrayList<Field> fields, boolean debug) throws Exception{
		String line = "";
		int screenCounter=0;
		String output = "";
		while (null != (line = datain.readLine())) {
			if (line.contains(screenStart)){
				screenCounter = 1;
				if(!output.equals(""))
					System.out.println(output);
				output = "";
			}
			output += getData(line, screenCounter, fields, debug);
			screenCounter++;
		}
	}
	
	ArrayList<Field> prepareData(String inputData){
		ArrayList<Field> al = new ArrayList<Field>();
		String[] fields = inputData.split(";");
		for(String field : fields){
			al.add(new Field(field));
		}
		return al;
	}
	
	String getData(String line,int lineNum ,ArrayList<Field> fields, boolean debug){
		String out="";
		for(Field f : fields){
			if(f.line==lineNum){
				out += line.substring(f.start, f.end);
				if(debug)
					out+="|";
			}
		}
		return out;
	}
	
	class Field {
		public int start; 
		public int end;
		public int line;
		public String name;
		Field(String definition){
			String[] def = definition.split(",");
			line = Integer.parseInt(def[0]);
			start = Integer.parseInt(def[1]);
			end = Integer.parseInt(def[2]);
		}
	}
}