CSU P5

P5.java

package chris;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.text.DecimalFormat;
import java.util.Scanner;

public class P5 
{
	double adjacent;
	double opposite;
	double coeff0;
	double coeff1;
	double coeff2;
	double fahrenheit;
	double radius;
	
	double hypotenuse;
	double root;
	double celcius;
	double area;
	
	public static void main(String[] args)
	{
		if(args.length < 2)
			return;
		
		P5 p5 = new P5();
		
		p5.readFile(args[0]);
		p5.computeMath();
		p5.writeFile(args[1]);
		
		Checker checker = new Checker();
		checker.verify(args[1]);
	}
	
	private void readFile(String filename)
	{
		Scanner file = null;
		try
		{
			file = new Scanner(new File(filename));
		}
		catch(FileNotFoundException e)
		{
			System.err.println(e.getMessage());
			return;
		}

			adjacent = file.nextDouble();
			opposite = file.nextDouble();
			coeff0 = file.nextDouble();
			coeff1 = file.nextDouble();
			coeff2 = file.nextDouble();
			fahrenheit = file.nextDouble();
			radius = file.nextDouble();
			file.close();
	}
	private void computeMath()
	{
		hypotenuse = SimpleMath.computeHypotenuse(adjacent, opposite);
		root = SimpleMath.solveQuadratic(coeff0, coeff1, coeff2);
		celcius = SimpleMath.convertTemperature(SimpleMath.eScale.FAHRENHEITCELSIUS, fahrenheit);
		area = SimpleMath.geometryCircle(SimpleMath.eOperation.AREA, radius);
	}
	private void writeFile(String filename)
	{
		PrintWriter file = null;
		try
		{
			 file = new PrintWriter(new File(filename));
		}
		catch (IOException e)
		{
			System.err.println(e.getMessage());
			return;
		}
			DecimalFormat df = new DecimalFormat("0.00");
			
			file.println("Adjacent = " + df.format(adjacent));
			file.println("Opposite = " + df.format(opposite));
			file.println("Hypotenuse = " + df.format(hypotenuse));
	
			file.println("Coefficient 0 = " + df.format(coeff0));
			file.println("Coefficient 1 = " + df.format(coeff1));
			file.println("Coefficient 2 = " + df.format(coeff2));
			file.println("Root = " + df.format(root));
			
			file.println("Fahrenheit = " + df.format(fahrenheit));
			file.println("Celcius = " + df.format(celcius));
			
			file.println("Radius of Circle = " + df.format(radius));
			file.println("Area of Circle = " + df.format(area));
			
			file.close();

	}
}