1 files changed, 52 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/profiler/chart/CommonChartCreator.java b/src/main/java/com/google/devtools/build/lib/profiler/chart/CommonChartCreator.java
new file mode 100644
index 0000000000..ed1da20992
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/profiler/chart/CommonChartCreator.java
@@ -0,0 +1,52 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// 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.devtools.build.lib.profiler.chart;
+
+import com.google.devtools.build.lib.profiler.ProfileInfo;
+import com.google.devtools.build.lib.profiler.ProfilePhase;
+
+/**
+ * Provides some common functions for {@link ChartCreator}s.
+ */
+public final class CommonChartCreator {
+
+  static void createCommonChartItems(Chart chart, ProfileInfo info) {
+    createTypes(chart);
+
+    // add common info
+    for (ProfilePhase phase : ProfilePhase.values()) {
+      addColumn(chart,info,phase);
+    }
+  }
+
+  private static void addColumn(Chart chart, ProfileInfo info, ProfilePhase phase) {
+    ProfileInfo.Task task = info.getPhaseTask(phase);
+    if (task != null) {
+      String label = task.type.description + ": " + task.getDescription();
+      ChartBarType type = chart.lookUpType(task.getDescription());
+      long stop = task.startTime + info.getPhaseDuration(task);
+      chart.addTimeRange(task.startTime, stop, type, label);
+    }
+  }
+
+  /**
+   * Creates the {@link ChartBarType}s and adds them to the chart.
+   */
+  private static void createTypes(Chart chart) {
+    for (ProfilePhase phase : ProfilePhase.values()) {
+      chart.createType(phase.description, new Color(phase.color, true));
+    }
+  }
+}