Add Rlog.java

Rlog is like Log except that the destination buffer is
the radio buffer instead of the main buffer.

Change-Id: Ib4ce47abfda31dfc0b9193b10f8f42b225275f61
diff --git a/telephony/java/android/telephony/Rlog.java b/telephony/java/android/telephony/Rlog.java
new file mode 100644
index 0000000..9ac7bda
--- /dev/null
+++ b/telephony/java/android/telephony/Rlog.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2012 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.telephony;
+
+import com.android.internal.os.RuntimeInit;
+
+import android.util.Log;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+/**
+ * A class to log strings to the RADIO LOG.
+ *
+ * @hide
+ */
+public final class Rlog {
+
+    private Rlog() {
+    }
+
+    public static int v(String tag, String msg) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.VERBOSE, tag, msg);
+    }
+
+    public static int v(String tag, String msg, Throwable tr) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.VERBOSE, tag,
+                msg + '\n' + Log.getStackTraceString(tr));
+    }
+
+    public static int d(String tag, String msg) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.DEBUG, tag, msg);
+    }
+
+    public static int d(String tag, String msg, Throwable tr) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.DEBUG, tag,
+                msg + '\n' + Log.getStackTraceString(tr));
+    }
+
+    public static int i(String tag, String msg) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.INFO, tag, msg);
+    }
+
+    public static int i(String tag, String msg, Throwable tr) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.INFO, tag,
+                msg + '\n' + Log.getStackTraceString(tr));
+    }
+
+    public static int w(String tag, String msg) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.WARN, tag, msg);
+    }
+
+    public static int w(String tag, String msg, Throwable tr) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.WARN, tag,
+                msg + '\n' + Log.getStackTraceString(tr));
+    }
+
+    public static int w(String tag, Throwable tr) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.WARN, tag, Log.getStackTraceString(tr));
+    }
+
+    public static int e(String tag, String msg) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.ERROR, tag, msg);
+    }
+
+    public static int e(String tag, String msg, Throwable tr) {
+        return Log.println_native(Log.LOG_ID_RADIO, Log.ERROR, tag,
+                msg + '\n' + Log.getStackTraceString(tr));
+    }
+
+    public static int println(int priority, String tag, String msg) {
+        return Log.println_native(Log.LOG_ID_RADIO, priority, tag, msg);
+    }
+
+    public static boolean isLoggable(String tag, int level) {
+        return Log.isLoggable(tag, level);
+    }
+
+}
+