beispiele_pr2/src/main/java/pr2/ads/textsearch/BruteForceTextSearch.java

package pr2.algorithmen.textsearch;

public class BruteForceTextSearch implements TextSearch {

    public int search(String haystack, String needle) {
        int n = haystack.length();
        int m = needle.length();

        for (int i = 0; i <= n - m; i++) {
            int j;
            for (j = 0; j < m; j++) {
                if (haystack.charAt(i + j) != needle.charAt(j)) {
                    break;
                }
            }
            if (j == m) {
                return i;
            }
        }
        return NOT_FOUND;
    }
}