1 files changed, 122 insertions, 0 deletions
diff --git a/jill/src/com/android/jill/Version.java b/jill/src/com/android/jill/Version.java
new file mode 100644
index 0000000..2f7f376
--- /dev/null
+++ b/jill/src/com/android/jill/Version.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2015 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.jill;
+
+import com.android.jill.api.JillProvider.SubReleaseKind;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnegative;
+import javax.annotation.Nonnull;
+
+/**
+ * A class describing version, release, build & code.
+ */
+public class Version {
+
+  @Nonnull
+  private String version;
+  @Nonnull
+  private String releaseName;
+  @Nonnegative
+  private int    releaseCode;
+  @Nonnull
+  private SubReleaseKind subReleaseKind;
+  @Nonnegative
+  private int    subReleaseCode;
+  @CheckForNull
+  private String buildId;
+  @CheckForNull
+  private String codeBase;
+
+  public Version(@Nonnull InputStream is) {
+    Properties prop = new Properties();
+    try {
+      prop.load(is);
+
+      version = prop.getProperty("jill.version");
+      assert version != null;
+
+      releaseName = prop.getProperty("jill.version.release.name");
+      assert releaseName != null;
+
+      releaseCode = Integer.parseInt(prop.getProperty("jill.version.release.code"));
+      assert releaseCode >= 1;
+
+      subReleaseCode = Integer.parseInt(prop.getProperty("jill.version.sub-release.code"));
+      assert subReleaseCode >= 1;
+
+      subReleaseKind =
+          SubReleaseKind.valueOf(SubReleaseKind.class,
+              prop.getProperty("jill.version.sub-release.kind"));
+      buildId = prop.getProperty("jill.version.buildid");
+      codeBase = prop.getProperty("jill.version.sha");
+
+      if (codeBase == null || buildId == null) {
+        subReleaseKind = SubReleaseKind.ENGINEERING;
+      }
+    } catch (IOException e) {
+      System.err.println("Failed to read Jill properties");
+      throw new AssertionError(e);
+    }
+  }
+
+  @Nonnull
+  public String getVersion() {
+    return version;
+  }
+
+  @Nonnull
+  public String getReleaseName() {
+    return releaseName;
+  }
+
+  @Nonnegative
+  public int getReleaseCode() {
+    return releaseCode;
+  }
+
+  @Nonnull
+  public SubReleaseKind getSubReleaseKind() {
+    return subReleaseKind;
+  }
+
+  @Nonnegative
+  public int getSubReleaseCode() {
+    return subReleaseCode;
+  }
+
+  @CheckForNull
+  public String getBuildId() {
+    return buildId;
+  }
+
+  @CheckForNull
+  public String getCodeBase() {
+    return codeBase;
+  }
+
+  @Nonnull
+  public String getVerboseVersion() {
+    return version + " '" + releaseName + "' ("
+                   + (buildId != null ? buildId : "engineering")
+                   + (codeBase != null ? (' ' + codeBase) : "") + ")";
+  }
+}
+\ No newline at end of file