am 2aaa5ff9: am edf1059d: am e2cdba24: am 07a1c608: am 4bd9434e: am 1ad2dfcc: Adds arg parser

* commit '2aaa5ff9ecf03abcf260d6b2a7c1f13fbc73fdd8':
  Adds arg parser

1 files changed, 49 insertions, 0 deletions

diff --git a/common/util/src/com/android/compatibility/common/util/KeyValueArgsParser.java b/common/util/src/com/android/compatibility/common/util/KeyValueArgsParser.java
new file mode 100644
index 00000000000..92a2b18f3c9
--- /dev/null
+++ b/common/util/src/com/android/compatibility/common/util/KeyValueArgsParser.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2014 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 com.android.compatibility.common.util;
+
+import java.util.HashMap;
+
+/**
+ * Parses an array of arguments into a HashMap.
+ *
+ * This class assumed the arguments are in the form "-<key> <value> ..."
+ */
+public class KeyValueArgsParser {
+
+    private KeyValueArgsParser() {}
+
+    public static HashMap<String, String> parse(String[] args) {
+        final HashMap<String, String> map = new HashMap<String, String>();
+        String key = null;
+        for (String s : args) {
+            if (key == null) {
+                if (!s.startsWith("-")) {
+                    throw new RuntimeException("Invalid Key: " + s);
+                }
+                key = s;
+            } else {
+                map.put(key, s);
+                key = null;
+            }
+        }
+        if (key != null) {
+            throw new RuntimeException("Left over key");
+        }
+        return map;
+    }
+}