--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/utils/StringUtils.java	Fri Sep 28 12:13:56 2012 +0200
@@ -0,0 +1,61 @@
+package de.intevation.gnv.utils;
+
+/**
+ * Helper class which supports some methods for working with strings.
+ *
+ * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
+ */
+public final class StringUtils
+{
+    private StringUtils() {
+    }
+
+    /**
+     * Append a string to a string array.
+     *
+     * @param haystack String array.
+     * @param straw String to append.
+     * @return the new string array.
+     */
+    public static final String [] append(String [] haystack, String straw) {
+        if (haystack == null) {
+            return new String [] { straw };
+        }
+        String [] nhaystack = new String[haystack.length + 1];
+        System.arraycopy(haystack, 0, nhaystack, 0, haystack.length);
+        nhaystack[haystack.length] = straw;
+        return nhaystack;
+    }
+
+    /**
+     * Checks the existence of a string in a given string array.
+     *
+     * @param haystack String array.
+     * @param needle String for being checked.
+     * @return true, if the string is contained in <i>haystack</i> - else false.
+     */
+    public static final boolean contains(String [] haystack, String needle) {
+        if (haystack == null) {
+            return false;
+        }
+
+        if (needle == null) {
+            for (int i = haystack.length - 1; i >= 0; --i) {
+                if (haystack[i] == null) {
+                    return true;
+                }
+            }
+        }
+        else {
+            for (int i = haystack.length - 1; i >= 0; --i) {
+                String straw = haystack[i];
+                if (straw != null && straw.equals(needle)) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :