Initial Contribution

1 files changed, 89 insertions, 0 deletions

diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
new file mode 100644
index 0000000..cdf907b
--- /dev/null
+++ b/core/java/android/os/Build.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2007 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 android.os;
+
+/**
+ * Information about the current build, extracted from system properties.
+ */
+public class Build {
+    /** Value used for when a build property is unknown. */
+    private static final String UNKNOWN = "unknown";
+
+    /** Either a changelist number, or a label like "M4-rc20". */
+    public static final String ID = getString("ro.build.id");
+
+    /** The name of the overall product. */
+    public static final String PRODUCT = getString("ro.product.name");
+
+    /** The name of the industrial design. */
+    public static final String DEVICE = getString("ro.product.device");
+
+    /** The name of the underlying board, like "goldfish". */
+    public static final String BOARD = getString("ro.product.board");
+
+    /** The brand (e.g., carrier) the software is customized for, if any. */
+    public static final String BRAND = getString("ro.product.brand");
+
+    /** The end-user-visible name for the end product. */
+    public static final String MODEL = getString("ro.product.model");
+
+    /** Various version strings. */
+    public static class VERSION {
+        /**
+         * The internal value used by the underlying source control to
+         * represent this build.  E.g., a perforce changelist number
+         * or a git hash.
+         */
+        public static final String INCREMENTAL = getString("ro.build.version.incremental");
+
+        /**
+         * The user-visible version string.  E.g., "1.0" or "3.4b5".
+         */
+        public static final String RELEASE = getString("ro.build.version.release");
+
+        /**
+         * The user-visible SDK version of the framework. It is an integer starting at 1.
+         */
+        public static final String SDK = getString("ro.build.version.sdk");
+    }
+
+    /** The type of build, like "user" or "eng". */
+    public static final String TYPE = getString("ro.build.type");
+
+    /** Comma-separated tags describing the build, like "unsigned,debug". */
+    public static final String TAGS = getString("ro.build.tags");
+
+    /** A string that uniquely identifies this build.  Do not attempt to parse this value. */
+    public static final String FINGERPRINT = getString("ro.build.fingerprint");
+
+    // The following properties only make sense for internal engineering builds.
+    public static final long TIME = getLong("ro.build.date.utc") * 1000;
+    public static final String USER = getString("ro.build.user");
+    public static final String HOST = getString("ro.build.host");
+
+    private static String getString(String property) {
+        return SystemProperties.get(property, UNKNOWN);
+    }
+
+    private static long getLong(String property) {
+        try {
+            return Long.parseLong(SystemProperties.get(property));
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+}