1 files changed, 106 insertions, 0 deletions
diff --git a/common-app-api/src/main/java/org/openecomp/sdc/common/impl/ExternalConfiguration.java b/common-app-api/src/main/java/org/openecomp/sdc/common/impl/ExternalConfiguration.java
new file mode 100644
index 0000000000..b23dcb8812
--- /dev/null
+++ b/common-app-api/src/main/java/org/openecomp/sdc/common/impl/ExternalConfiguration.java
@@ -0,0 +1,106 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SDC
+ * ================================================================================
+ * 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.openecomp.sdc.common.impl;
+
+import java.io.File;
+
+import org.apache.commons.jci.monitor.FilesystemAlterationMonitor;
+import org.openecomp.sdc.common.api.ConfigurationSource;
+
+/**
+ * 
+ * Save the
+ * 
+ * @author esofer
+ *
+ */
+public class ExternalConfiguration {
+
+	private static String appName;
+	private static String appVersion;
+	private static String configDir;
+	private static ConfigurationSource configurationSource;
+
+	private static FilesystemAlterationMonitor fam = null;
+
+	private static ConfigFileChangeListener changeListener = new ConfigFileChangeListener();
+
+	private static boolean enableReconfigure = true;
+
+	public static String getAppName() {
+		return appName;
+	}
+
+	public static void setAppName(String appName) {
+		ExternalConfiguration.appName = appName;
+	}
+
+	public static String getAppVersion() {
+		return appVersion;
+	}
+
+	public static void setAppVersion(String appVersion) {
+		ExternalConfiguration.appVersion = appVersion;
+	}
+
+	public static String getConfigDir() {
+		return configDir;
+	}
+
+	public static void setConfigDir(String configDir) {
+		ExternalConfiguration.configDir = configDir;
+	}
+
+	public static ConfigurationSource getConfigurationSource() {
+		return configurationSource;
+	}
+
+	public static void setConfigurationSource(ConfigurationSource configurationSource) {
+		ExternalConfiguration.configurationSource = configurationSource;
+	}
+
+	public static ConfigFileChangeListener getChangeListener() {
+		return changeListener;
+	}
+
+	public static void listenForChanges() {
+
+		String watchingDir = configDir + File.separator + appName;
+		if (enableReconfigure) {
+			if (fam == null) {
+				fam = new FilesystemAlterationMonitor();
+				fam.setInterval(1000);
+				fam.addListener(new File(watchingDir), changeListener);
+				fam.start();
+			}
+		}
+	}
+
+	public static void stopListenForFileChanges() {
+		if (enableReconfigure) {
+			if (fam != null) {
+				fam.stop();
+				fam = null;
+			}
+		}
+	}
+
+}