1 files changed, 71 insertions, 0 deletions
diff --git a/java/com/google/gerrit/extensions/restapi/IdString.java b/java/com/google/gerrit/extensions/restapi/IdString.java
new file mode 100644
index 0000000000..736c3ba9ab
--- /dev/null
+++ b/java/com/google/gerrit/extensions/restapi/IdString.java
@@ -0,0 +1,71 @@
+// Copyright (C) 2013 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.google.gerrit.extensions.restapi;
+
+/**
+ * Resource identifier split out from a URL.
+ *
+ * <p>Identifiers are URL encoded and usually need to be decoded.
+ */
+public class IdString {
+  /** Construct an identifier from an already encoded string. */
+  public static IdString fromUrl(String id) {
+    return new IdString(id);
+  }
+
+  /** Construct an identifier from an already decoded string. */
+  public static IdString fromDecoded(String id) {
+    return new IdString(Url.encode(id));
+  }
+
+  private final String urlEncoded;
+
+  private IdString(String s) {
+    urlEncoded = s;
+  }
+
+  /** @return the decoded value of the string. */
+  public String get() {
+    return Url.decode(urlEncoded);
+  }
+
+  /** @return true if the string is the empty string. */
+  public boolean isEmpty() {
+    return urlEncoded.isEmpty();
+  }
+
+  /** @return the original URL encoding supplied by the client. */
+  public String encoded() {
+    return urlEncoded;
+  }
+
+  @Override
+  public int hashCode() {
+    return urlEncoded.hashCode();
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (other instanceof IdString) {
+      return urlEncoded.equals(((IdString) other).urlEncoded);
+    }
+    return false;
+  }
+
+  @Override
+  public String toString() {
+    return encoded();
+  }
+}