FileDirComparator.java

package com.plectix.simulator.util;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;

public class FileDirComparator {
	private final String myFirstDir;
	private final String mySecondDir;
	private final String[] myExtensions;

	public FileDirComparator(String first, String second, String... extension) {
		myFirstDir = first;
		mySecondDir = second;
		myExtensions = extension;
	}

	private boolean fileNameAccepted(String fileName) {
		for (String extension : myExtensions) {
			if (fileName.endsWith("." + extension)) {
				return true;
			}
		}
		return false;
	}

	public String compare() throws FileNotFoundException, IOException {
		MessageConstructor mc = new MessageConstructor();

		for (String fileName : new File(myFirstDir).list()) {
			if (fileNameAccepted(fileName)) {
				int similarity = (new FileComparator(myFirstDir + fileName,
						mySecondDir + fileName)).compare();
				if (similarity != -1) {
					mc.addValue(fileName);
					mc.addComment("line " + similarity);
				}
			}
		}
		return mc.getMessage();
	}
}