1 files changed, 77 insertions, 0 deletions
diff --git a/tools/runner/java/vogar/Strings.java b/tools/runner/java/vogar/Strings.java
new file mode 100644
index 0000000..d46d860
--- /dev/null
+++ b/tools/runner/java/vogar/Strings.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package vogar;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Iterator;
+
+/**
+ * Utility methods for strings.
+ */
+public class Strings {
+
+    public static String readFile(File f) throws IOException {
+        StringBuilder result = new StringBuilder();
+        BufferedReader in =
+                new BufferedReader(new InputStreamReader(new FileInputStream(f), "UTF-8"));
+        String line;
+        while ((line = in.readLine()) != null) {
+            result.append(line);
+            result.append('\n');
+        }
+        in.close();
+        return result.toString();
+    }
+
+    public static String join(Object[] objects, String delimiter) {
+        return join(Arrays.asList(objects), delimiter);
+    }
+
+    public static String join(Iterable<?> objects, String delimiter) {
+        Iterator<?> i = objects.iterator();
+        if (!i.hasNext()) {
+            return "";
+        }
+
+        StringBuilder result = new StringBuilder();
+        result.append(i.next());
+        while(i.hasNext()) {
+            result.append(delimiter).append(i.next());
+        }
+        return result.toString();
+    }
+
+    public static String[] objectsToStrings(Object[] objects) {
+        String[] result = new String[objects.length];
+        int i = 0;
+        for (Object o : objects) {
+            result[i++] = o.toString();
+        }
+        return result;
+    }
+
+    public static String[] objectsToStrings(Collection<?> objects) {
+        return objectsToStrings(objects.toArray());
+    }
+}