package fitnesse.responders.versions;
import java.util.LinkedList;
import java.util.List;
import difflib.DiffUtils;
import difflib.Patch;
public class VersionComparer {
private List<String> differences;
public boolean compare(String originalVersion, String originalContent, String revisedVersion, String revisedContent) {
Patch patch = DiffUtils.diff(contentToLines(originalContent), contentToLines(revisedContent));
differences = DiffUtils.generateUnifiedDiff(originalVersion, revisedVersion,
contentToLines(originalContent), patch, 5);
return true;
}
public List<String> getDifferences() {
return differences;
}
private List<String> contentToLines(String content) {
List<String> lines = new LinkedList<String>();
for(String line : content.split("\n"))
lines.add(line);
return lines;
}
}