1 files changed, 89 insertions, 0 deletions
diff --git a/benchmarking/java-ubenchs/benchmarks/org/linaro/bench/SimpleLogger.java b/benchmarking/java-ubenchs/benchmarks/org/linaro/bench/SimpleLogger.java
new file mode 100644
index 0000000..37a2e3a
--- /dev/null
+++ b/benchmarking/java-ubenchs/benchmarks/org/linaro/bench/SimpleLogger.java
@@ -0,0 +1,89 @@
+/*
+ *    Copyright 2015 ARM Limited
+ *
+ * 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 org.linaro.bench;
+
+public class SimpleLogger {
+    public enum LogLevel {
+        DEBUG, INFO, WARN, ERROR, FATAL,
+    };
+
+    private LogLevel logLevel;
+
+    static class SingletonHolder {
+        // default log level: ERROR.
+        static SimpleLogger instance = new SimpleLogger(LogLevel.ERROR);
+    }
+
+    public static SimpleLogger getInstance() {
+        return SingletonHolder.instance;
+    }
+
+    public void setLogLevel(String level) {
+        if (level.equals("DEBUG")) {
+            setLogLevel(LogLevel.DEBUG);
+        } else if (level.equals("INFO")) {
+            setLogLevel(LogLevel.INFO);
+        } else if (level.equals("WARN")) {
+            setLogLevel(LogLevel.WARN);
+        } else if (level.equals("ERROR")) {
+            setLogLevel(LogLevel.ERROR);
+        } else if (level.equals("FATAL")) {
+            setLogLevel(LogLevel.FATAL);
+        } else {
+            fatal("Unknown log level.");
+        }
+    }
+
+    private SimpleLogger(LogLevel level) {
+        logLevel = level;
+    }
+
+    public void setLogLevel(LogLevel level) {
+        logLevel = level;
+    }
+
+    public LogLevel getLogLevel() {
+        return this.logLevel;
+    }
+
+    public void log(LogLevel thisLevel, String msg) {
+        if (thisLevel.ordinal() < logLevel.ordinal()) {
+            return;
+        }
+        System.err.println(thisLevel.toString() + ": " + msg);
+        if (thisLevel.compareTo(LogLevel.FATAL) == 0) {
+            System.exit(1);
+        }
+    }
+
+    public void info(String msg) {
+        log(LogLevel.INFO, msg);
+    }
+
+    public void debug(String msg) {
+        log(LogLevel.DEBUG, msg);
+    }
+
+    public void error(String msg) {
+        log(LogLevel.ERROR, msg);
+    }
+
+    public void fatal(String msg) {
+        log(LogLevel.FATAL, msg);
+    }
+}