1 files changed, 84 insertions, 0 deletions
diff --git a/gerrit-common/src/main/java/com/google/gerrit/common/data/GitwebLink.java b/gerrit-common/src/main/java/com/google/gerrit/common/data/GitwebLink.java
new file mode 100644
index 0000000000..31963c1664
--- /dev/null
+++ b/gerrit-common/src/main/java/com/google/gerrit/common/data/GitwebLink.java
@@ -0,0 +1,84 @@
+// Copyright (C) 2008 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.common.data;
+
+import com.google.gerrit.reviewdb.Branch;
+import com.google.gerrit.reviewdb.PatchSet;
+import com.google.gerrit.reviewdb.Project;
+import com.google.gwt.http.client.URL;
+
+/** Link to an external gitweb server. */
+public class GitwebLink {
+  protected String baseUrl;
+
+  protected GitwebLink() {
+  }
+
+  public GitwebLink(final String base) {
+    baseUrl = base + "?";
+  }
+
+  public String toRevision(final Project.NameKey project, final PatchSet ps) {
+    final StringBuilder r = new StringBuilder();
+    p(r, project);
+    a(r, "commit");
+    h(r, ps);
+    return baseUrl + r;
+  }
+
+  public String toProject(final Project.NameKey project) {
+    final StringBuilder r = new StringBuilder();
+    p(r, project);
+    a(r, "summary");
+    return baseUrl + r;
+  }
+
+  public String toBranch(final Branch.NameKey branch) {
+    final StringBuilder r = new StringBuilder();
+    p(r, branch.getParentKey());
+    h(r, branch);
+    a(r, "shortlog");
+    return baseUrl + r;
+  }
+
+  private static void p(final StringBuilder r, final Project.NameKey project) {
+    String n = project.get();
+    if (!n.endsWith(".git")) {
+      n += ".git";
+    }
+    var(r, "p", n);
+  }
+
+  private static void h(final StringBuilder r, final PatchSet ps) {
+    var(r, "h", ps.getRevision().get());
+  }
+
+  private static void h(final StringBuilder r, final Branch.NameKey branch) {
+    var(r, "h", branch.get());
+  }
+
+  private static void a(final StringBuilder r, final String where) {
+    var(r, "a", where);
+  }
+
+  private static void var(final StringBuilder r, final String n, final String v) {
+    if (r.length() > 0) {
+      r.append(";");
+    }
+    r.append(n);
+    r.append("=");
+    r.append(URL.encodeComponent(v));
+  }
+}