[POLICY-73] replace openecomp for policy-engine

[policy/engine.git] / ONAP-REST / src / main / java / org / onap / policy / rest / util / Webapps.java

diff --git a/ONAP-REST/src/main/java/org/onap/policy/rest/util/Webapps.java b/ONAP-REST/src/main/java/org/onap/policy/rest/util/Webapps.java
new file mode 100644 (file)
index 0000000..908078f
--- /dev/null
+++ b/ONAP-REST/src/main/java/org/onap/policy/rest/util/Webapps.java
@@ -0,0 +1,115 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP-REST
+ * ================================================================================
+ * 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.rest.util;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.onap.policy.rest.XACMLRestProperties;
+
+import org.onap.policy.xacml.api.XACMLErrorConstants;
+import com.att.research.xacml.util.XACMLProperties;
+
+import org.onap.policy.common.logging.eelf.MessageCodes;
+import org.onap.policy.common.logging.eelf.PolicyLogger;
+
+public class Webapps {
+       private static String actionHome = null;
+       private static String configHome = null;
+       private static Log logger       = LogFactory.getLog(Webapps.class);
+       
+       private Webapps() {
+       }
+       
+       public static String getConfigHome(){
+               try {
+                       loadWebapps();
+               } catch (Exception e) {
+                       logger.error("Exception Occured while loading webapps"+e);
+                       return null;
+               }
+               return configHome;
+       }
+       
+       public static String getActionHome(){
+               try {
+                       loadWebapps();
+               } catch (Exception e) {
+                       logger.error("Exception Occured while loading webapps"+e);
+                       return null;
+               }
+               return actionHome;
+       }
+       
+       private static void loadWebapps() throws Exception{
+               String errorMessageName = "Invalid Webapps Path Location property :";
+               if(actionHome == null || configHome == null){
+                       Path webappsPath = Paths.get(XACMLProperties.getProperty(XACMLRestProperties.PROP_PAP_WEBAPPS));
+                       //Sanity Check
+                       if (webappsPath == null) {
+                               logger.error(errorMessageName + XACMLRestProperties.PROP_PAP_WEBAPPS);
+                               PolicyLogger.error(errorMessageName + XACMLRestProperties.PROP_PAP_WEBAPPS);
+                               throw new Exception(errorMessageName + XACMLRestProperties.PROP_PAP_WEBAPPS);
+                       }
+                       Path webappsPathConfig;
+                       Path webappsPathAction;
+                       if(webappsPath.toString().contains("\\")){
+                               webappsPathConfig = Paths.get(webappsPath.toString()+"\\Config");
+                               webappsPathAction = Paths.get(webappsPath.toString()+"\\Action");
+                       }else{
+                               webappsPathConfig = Paths.get(webappsPath.toString()+"/Config");
+                               webappsPathAction = Paths.get(webappsPath.toString()+"/Action");
+                       }
+                       
+                       checkConfigActionHomeExists(webappsPathConfig, webappsPathAction);
+                       
+                       actionHome = webappsPathAction.toString();
+                       configHome = webappsPathConfig.toString();
+               }
+       }
+       
+       private  static void checkConfigActionHomeExists(Path webappsPathConfig, Path webappsPathAction){
+               if (!webappsPathConfig.toFile().exists()){
+                       try {
+                               Files.createDirectories(webappsPathConfig);
+                       } catch (IOException e) {
+                               logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Failed to create config directory: "
+                                               + webappsPathConfig.toAbsolutePath().toString(), e);
+                               PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "Webapps", "Failed to create config directory");
+                       }
+               }
+               
+               if (!webappsPathAction.toFile().exists()){
+                       try {
+                               Files.createDirectories(webappsPathAction);
+                       } catch (IOException e) {
+                               logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Failed to create config directory: "
+                                               + webappsPathAction.toAbsolutePath().toString(), e);
+                               PolicyLogger.error(MessageCodes.ERROR_PROCESS_FLOW, e, "Webapps", "Failed to create config directory");
+                       }
+               }
+       }
+
+}