1 files changed, 54 insertions, 0 deletions
diff --git a/policy-utils/src/main/java/org/onap/policy/drools/utils/LoggerUtil.java b/policy-utils/src/main/java/org/onap/policy/drools/utils/LoggerUtil.java
new file mode 100644
index 00000000..257d2dae
--- /dev/null
+++ b/policy-utils/src/main/java/org/onap/policy/drools/utils/LoggerUtil.java
@@ -0,0 +1,54 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.policy.drools.utils;
+
+import org.slf4j.LoggerFactory;
+
+import ch.qos.logback.classic.LoggerContext;
+
+/**
+ * Loger Utils
+ */
+public class LoggerUtil {
+
+  /**
+   * Root logger
+   */
+  public static final String ROOT_LOGGER = "ROOT";
+
+  /**
+   * set the log level of a logger
+   *
+   * @param loggerName logger name
+   * @param loggerLevel logger level
+   */
+  public static String setLevel(String loggerName, String loggerLevel) {
+    if (!(LoggerFactory.getILoggerFactory() instanceof LoggerContext))
+      throw new IllegalStateException("The SLF4J logger factory is not configured for logback");
+
+    final LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
+    final ch.qos.logback.classic.Logger logger = context.getLogger(loggerName);
+    if (logger == null)
+      throw new IllegalArgumentException("no logger " + loggerName);
+
+    logger.setLevel(ch.qos.logback.classic.Level.toLevel(loggerLevel));
+    return logger.getLevel().toString();
+  }
+}