1 files changed, 55 insertions, 0 deletions
diff --git a/dx/src/com/android/dex/TypeList.java b/dx/src/com/android/dex/TypeList.java
new file mode 100644
index 000000000..aa1bf5832
--- /dev/null
+++ b/dx/src/com/android/dex/TypeList.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2011 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.dex;
+
+import com.android.dex.util.Unsigned;
+
+public final class TypeList implements Comparable<TypeList> {
+
+    public static final TypeList EMPTY = new TypeList(null, new short[0]);
+
+    private final Dex dex;
+    private final short[] types;
+
+    public TypeList(Dex dex, short[] types) {
+        this.dex = dex;
+        this.types = types;
+    }
+
+    public short[] getTypes() {
+        return types;
+    }
+
+    public int compareTo(TypeList other) {
+        for (int i = 0; i < types.length && i < other.types.length; i++) {
+            if (types[i] != other.types[i]) {
+                return Unsigned.compare(types[i], other.types[i]);
+            }
+        }
+        return Unsigned.compare(types.length, other.types.length);
+    }
+
+    @Override public String toString() {
+        StringBuilder result = new StringBuilder();
+        result.append("(");
+        for (int i = 0, typesLength = types.length; i < typesLength; i++) {
+            result.append(dex != null ? dex.typeNames().get(types[i]) : types[i]);
+        }
+        result.append(")");
+        return result.toString();
+    }
+}