[SDC-24] error handling

Change-Id: Iac97052fab32f638d4cf52b094caad31f6d76902
Signed-off-by: Pavel Aharoni <pa0916@att.com>

7 files changed, 266 insertions, 46 deletions

diff --git a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ConfigurationManager.java b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ConfigurationManager.java
index 7cd9ed2..e83e6aa 100644
--- a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ConfigurationManager.java
+++ b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ConfigurationManager.java
@@ -8,18 +8,44 @@ import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.net.URL;
+import java.util.HashMap;
+import java.util.Map;
+
 
 public class ConfigurationManager {
 
 	private static Logger log = LoggerFactory.getLogger(ConfigurationManager.class.getName());
 
-	private static final String CONFIGURATION_FILE = "config/configuration.yaml";
+	private static final String CONFIGURATION_DIR = "config/";
 	private static volatile ConfigurationManager instance;
-	private Configuration configuration;
+//    private Configuration configuration;
+//    private ErrorConfiguration errorConfiguration;
+
+	Map<String, Object> configurations = new HashMap<String, Object>();
+
+
 
+	private ConfigurationManager() {
+		initialConfigObjectsFromFiles();
+	}
+
+	private void initialConfigObjectsFromFiles() {
+		loadConfigurationClass(ErrorConfiguration.class);
+		loadConfigurationClass(Configuration.class);
+	}
 
-    private ConfigurationManager() {
-		URL url = Resources.getResource(CONFIGURATION_FILE);
+	private <T> void loadConfigurationClass(Class<T> clazz) {
+		T object = getObjectFromYaml(clazz);
+		configurations.put(clazz.getSimpleName(), object);
+	}
+
+
+	public <T> T getObjectFromYaml(Class<T> className) {
+
+
+		String configFileName = calculateFileName(className);
+
+		URL url = Resources.getResource(CONFIGURATION_DIR + configFileName);
 		String configFileContents = null;
 		try {
 			configFileContents = Resources.toString(url, Charsets.UTF_8);
@@ -27,17 +53,16 @@ public class ConfigurationManager {
 			log.error("ConfigurationManager - Failed to load configuration file");
 		}
 		YamlToObjectConverter yamlToObjectConverter = new YamlToObjectConverter();
-		this.configuration = yamlToObjectConverter.convertFromString(configFileContents, Configuration.class);
-	}
+		T object = yamlToObjectConverter.convertFromString(configFileContents, className);
 
-	public Configuration getConfiguration() {
-		return configuration;
+		return object;
 	}
 
+
 	public static ConfigurationManager getInstance() {
 		if (instance == null) {
-			synchronized (ConfigurationManager.class){
-				if (instance == null){
+			synchronized (ConfigurationManager.class) {
+				if (instance == null) {
 					instance = new ConfigurationManager();
 				}
 			}
@@ -45,7 +70,41 @@ public class ConfigurationManager {
 		return instance;
 	}
 
-	public void setConfiguration(Configuration configuration) {
-		this.configuration = configuration;
+	private static <T> String calculateFileName(Class<T> className) {
+
+		String[] words = className.getSimpleName().split("(?=\\p{Upper})");
+
+		StringBuilder builder = new StringBuilder();
+
+		// There cannot be a null value returned from "split" - words != null is
+		// redundant
+		// if (words != null) {
+		boolean isFirst = true;
+		for (int i = 0; i < words.length; i++) {
+
+			String word = words[i];
+			if (word != null && !word.isEmpty()) {
+				if (!isFirst) {
+					builder.append("-");
+				} else {
+					isFirst = false;
+				}
+				builder.append(words[i].toLowerCase());
+			}
+		}
+		return builder.toString() + ".yaml";
+
+		/*
+         * } else { return className.getSimpleName().toLowerCase() + Constants.YAML_SUFFIX; }
+		 */
+
+	}
+
+	public ErrorConfiguration getErrorConfiguration() {
+		return (ErrorConfiguration) configurations.get((ErrorConfiguration.class.getSimpleName()));
+	}
+
+	public Configuration getConfiguration() {
+		return (Configuration) configurations.get((Configuration.class.getSimpleName()));
 	}
 }
diff --git a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ErrorConfiguration.java b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ErrorConfiguration.java
new file mode 100644
index 0000000..59e8c6d
--- /dev/null
+++ b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ErrorConfiguration.java
@@ -0,0 +1,46 @@
+/*-
+ * ============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.tosca.parser.config;
+
+import java.util.Map;
+
+public class ErrorConfiguration {
+
+    private Map<String, ErrorInfo> errors;
+
+    public Map<String, ErrorInfo> getErrors() {
+        return errors;
+    }
+
+    public void setErrors(Map<String, ErrorInfo> errors) {
+        this.errors = errors;
+    }
+
+    public ErrorInfo getErrorInfo(String key) {
+        ErrorInfo clone = null;
+        ErrorInfo other = errors.get(key);
+        if (other != null) {
+            clone = new ErrorInfo();
+            clone.cloneData(other);
+        }
+        return clone;
+    }
+}
diff --git a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ErrorInfo.java b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ErrorInfo.java
new file mode 100644
index 0000000..01df115
--- /dev/null
+++ b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/ErrorInfo.java
@@ -0,0 +1,49 @@
+/*-
+ * ============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.tosca.parser.config;
+
+public class ErrorInfo {
+
+	private String code;
+	private String message;
+
+	public String getCode() {
+		return code;
+	}
+
+	public void setCode(String code) {
+		this.code = code;
+	}
+
+	public String getMessage() {
+		return message;
+	}
+
+	public void setMessage(String message) {
+		this.message = message;
+	}
+
+	public void cloneData(ErrorInfo other) {
+		this.code = other.getCode();
+		this.message = other.getMessage();
+	}
+
+}
diff --git a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/SdcToscaParserErrors.java b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/SdcToscaParserErrors.java
new file mode 100644
index 0000000..ce84a9c
--- /dev/null
+++ b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/config/SdcToscaParserErrors.java
@@ -0,0 +1,31 @@
+package org.openecomp.sdc.tosca.parser.config;
+
+import java.util.EnumMap;
+import java.util.Map;
+
+import org.openecomp.sdc.toscaparser.api.utils.JToscaErrorCodes;
+
+public enum SdcToscaParserErrors {
+
+    BAD_FORMAT, CONFORMANCE_LEVEL_ERROR, FILE_NOT_FOUND, GENERAL_ERROR;
+
+    private static final  Map<JToscaErrorCodes, SdcToscaParserErrors> JTOSCA_ERRORS =
+        new EnumMap<JToscaErrorCodes, SdcToscaParserErrors>(JToscaErrorCodes.class) {{
+
+            put(JToscaErrorCodes.GENERAL_ERROR, GENERAL_ERROR);
+            
+            put(JToscaErrorCodes.PATH_NOT_VALID, FILE_NOT_FOUND);
+            //CSAR contents problems
+            put(JToscaErrorCodes.MISSING_META_FILE, BAD_FORMAT);
+            put(JToscaErrorCodes.INVALID_META_YAML_CONTENT, BAD_FORMAT);
+            put(JToscaErrorCodes.ENTRY_DEFINITION_NOT_DEFINED, BAD_FORMAT);
+            put(JToscaErrorCodes.MISSING_ENTRY_DEFINITION_FILE, BAD_FORMAT);
+            put(JToscaErrorCodes.CSAR_TOSCA_VALIDATION_ERROR, BAD_FORMAT);
+            put(JToscaErrorCodes.INVALID_CSAR_FORMAT, BAD_FORMAT);
+    }};
+
+    public static SdcToscaParserErrors getSdcErrorByJToscaError(JToscaErrorCodes jToscaErrorCode) {
+        return JTOSCA_ERRORS.get(jToscaErrorCode);
+    }
+
+}
diff --git a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/exceptions/SdcToscaParserException.java b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/exceptions/SdcToscaParserException.java
index f41141f..a7fd99d 100644
--- a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/exceptions/SdcToscaParserException.java
+++ b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/exceptions/SdcToscaParserException.java
@@ -1,12 +1,20 @@
 package org.openecomp.sdc.tosca.parser.exceptions;

 

-public class SdcToscaParserException extends Exception{

-	/**

-	 * 

-	 */

-	private static final long serialVersionUID = 626014844866501196L;

-	

-	public SdcToscaParserException(String string) {

-		super(string);

-	}

+public class SdcToscaParserException extends Exception {

+

+    private static final long serialVersionUID = 626014844866501196L;

+    private String code;

+

+    public SdcToscaParserException(String string, String code) {

+        super(string);

+        this.code = code;

+    }

+

+    public String getCode() {

+        return code;

+    }

+

+    public void setCode(String code) {

+        this.code = code;

+    }

 }

diff --git a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcCsarHelperImpl.java b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcCsarHelperImpl.java
index df1d470..c53dcec 100644
--- a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcCsarHelperImpl.java
+++ b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcCsarHelperImpl.java
@@ -22,6 +22,8 @@ package org.openecomp.sdc.tosca.parser.impl;
 
 import java.util.*;
 import java.util.Map.Entry;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
@@ -49,7 +51,8 @@ public class SdcCsarHelperImpl implements ISdcCsarHelper {
 
     private static final String PATH_DELIMITER = "#";
     private static final String PREFIX = "port_";
-    private static final String[] SUFFIX = new String[]{"_network_role_tag", "_ip_requirements", "_subnetpoolid"};
+    Pattern SUFFIX = Pattern.compile("(_network_role_tag|_ip_requirements|_subnetpoolid)$");
+//    private static final String[] SUFFIX = new String[]{"_network_role_tag", "_ip_requirements", "_subnetpoolid"};
     private ToscaTemplate toscaTemplate;
     private static Logger log = LoggerFactory.getLogger(SdcCsarHelperImpl.class.getName());
 
@@ -91,6 +94,11 @@ public class SdcCsarHelperImpl implements ISdcCsarHelper {
 
     public Map<String, Map<String, Object>> getCpPropertiesFromVfc(NodeTemplate vfc) {
 
+        if (vfc == null) {
+            log.error("getCpPropertiesFromVfc - vfc is null");
+            return new HashMap<>();
+        }
+
         List<String> paths = new ArrayList<>();
         paths.add("network_role_tag");
         paths.add("ip_requirements#ip_count_required#count");
@@ -102,22 +110,25 @@ public class SdcCsarHelperImpl implements ISdcCsarHelper {
 
         Map<String, Map<String, Object>> cps = new HashMap<>();
 
-        for (Map.Entry<String, Property> entry : props.entrySet()) {
-            String fullCpName = entry.getKey();
-
-            if (fullCpName.startsWith(PREFIX) &&
-                    Arrays.stream(SUFFIX).parallel().anyMatch(fullCpName::endsWith))
-            {
-                //this is CP - get all it's properties according to paths list
-                String cpName = fullCpName.replaceAll("^("+PREFIX+")", "").replaceAll("("+String.join("|", SUFFIX)+")$", "");
-                cps.put(cpName, new HashMap<>());
-                for (String path: paths) {
-                    String fullPathToSearch = PREFIX + cpName + "_" + path;
-                    String value = getNodeTemplatePropertyLeafValue(vfc, fullPathToSearch);
-                    if (value != null) {
-                        value = StringUtils.stripStart(value, "[");
-                        value = StringUtils.stripEnd(value, "]");
-                        cps.get(cpName).put(path, value);
+        if (props != null) {
+            for (Map.Entry<String, Property> entry : props.entrySet()) {
+                String fullCpName = entry.getKey();
+                Matcher matcher = SUFFIX.matcher(fullCpName);
+
+                if (fullCpName.startsWith(PREFIX) && matcher.find()) {
+                    //this is CP - get all it's properties according to paths list
+                    String cpName = fullCpName.replaceAll("^(" + PREFIX + ")", "").replaceAll(matcher.group(1), "");
+
+                    List<String> propertiesToSearch = paths.stream().filter(i -> i.contains(StringUtils.stripStart(matcher.group(1), "_"))).collect(Collectors.toList());
+                    for (String item : propertiesToSearch) {
+                        String fullPathToSearch = PREFIX + cpName + "_" + item;
+                        Object value = getNodeTemplatePropertyAsObject(vfc, fullPathToSearch);
+                        if (value != null) {
+                            if (!cps.containsKey(cpName))
+                                cps.put(cpName, new HashMap<>());
+                        }
+
+                        cps.get(cpName).put(item, value);
                     }
                 }
             }
@@ -569,7 +580,8 @@ public class SdcCsarHelperImpl implements ISdcCsarHelper {
             Object current = property.getValue();
             return iterateProcessPath(1, current, split);
         }
-        log.error("processProperties - property not found");
+        String propName = (split != null && split.length > 0 ? split[0] : null);
+        log.error("processProperties - property {} not found", propName);
         return null;
     }
 }
diff --git a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java
index 14c332c..2ddde1f 100644
--- a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java
+++ b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java
@@ -2,17 +2,18 @@ package org.openecomp.sdc.tosca.parser.impl;
 

 import org.openecomp.sdc.tosca.parser.api.ConformanceLevel;

 import org.openecomp.sdc.tosca.parser.api.ISdcCsarHelper;

-import org.openecomp.sdc.tosca.parser.config.Configuration;

-import org.openecomp.sdc.tosca.parser.config.ConfigurationManager;

+import org.openecomp.sdc.tosca.parser.config.*;

 import org.openecomp.sdc.tosca.parser.exceptions.SdcToscaParserException;

 import org.openecomp.sdc.tosca.parser.utils.GeneralUtility;

 import org.openecomp.sdc.toscaparser.api.ToscaTemplate;

 import org.openecomp.sdc.toscaparser.api.common.JToscaException;

+import org.openecomp.sdc.toscaparser.api.utils.JToscaErrorCodes;

 

 public class SdcToscaParserFactory {

 

     private static volatile SdcToscaParserFactory instance;

     private static Configuration configuration;

+    private static ErrorConfiguration errorConfiguration;

 

     private SdcToscaParserFactory() {

 

@@ -28,6 +29,7 @@ public class SdcToscaParserFactory {
                 if (instance == null) {

                     instance = new SdcToscaParserFactory();

                     configuration = ConfigurationManager.getInstance().getConfiguration();

+                    errorConfiguration = ConfigurationManager.getInstance().getErrorConfiguration();

                 }

             }

         }

@@ -40,11 +42,15 @@ public class SdcToscaParserFactory {
      * @param csarPath - the absolute path to CSAR file.

      * @return ISdcCsarHelper object.

      * @throws SdcToscaParserException - in case the path or CSAR are invalid.

-     * @throws JToscaException - in case the path or CSAR are invalid.

      */

-    public ISdcCsarHelper getSdcCsarHelper(String csarPath) throws JToscaException, SdcToscaParserException {

+    public ISdcCsarHelper getSdcCsarHelper(String csarPath) throws SdcToscaParserException {

         synchronized (SdcToscaParserFactory.class) {

-            ToscaTemplate tosca = new ToscaTemplate(csarPath, null, true, null);

+            ToscaTemplate tosca = null;

+            try {

+                tosca = new ToscaTemplate(csarPath, null, true, null);

+            } catch (JToscaException e) {

+                throwSdcToscaParserException(e);

+            }

             SdcCsarHelperImpl sdcCsarHelperImpl = new SdcCsarHelperImpl(tosca);

             validateCsarVersion(sdcCsarHelperImpl.getConformanceLevel());

             return sdcCsarHelperImpl;

@@ -57,11 +63,20 @@ public class SdcToscaParserFactory {
         String maxVersion = level.getMaxVersion();

         if (cSarVersion != null) {

             if ((GeneralUtility.conformanceLevelCompare(cSarVersion, minVersion) < 0) || (GeneralUtility.conformanceLevelCompare(cSarVersion, maxVersion) > 0)) {

-                throw new SdcToscaParserException("Model is not supported. Parser supports versions " + minVersion + " to " + maxVersion);

+                throwConformanceLevelException(minVersion, maxVersion);

             }

         } else {

-            throw new SdcToscaParserException("Model is not supported. Parser supports versions " + minVersion + " to " + maxVersion);

+            throwConformanceLevelException(minVersion, maxVersion);

         }

     }

 

+    private void throwConformanceLevelException(String minVersion, String maxVersion) throws SdcToscaParserException {

+        ErrorInfo errorInfo = errorConfiguration.getErrorInfo(SdcToscaParserErrors.CONFORMANCE_LEVEL_ERROR.toString());

+        throw new SdcToscaParserException(String.format(errorInfo.getMessage(), minVersion, maxVersion), errorInfo.getCode());

+    }

+

+    private void throwSdcToscaParserException(JToscaException e) throws SdcToscaParserException {

+        ErrorInfo errorInfo = errorConfiguration.getErrorInfo(SdcToscaParserErrors.getSdcErrorByJToscaError(JToscaErrorCodes.getByCode(e.getCode())).toString());

+        throw new SdcToscaParserException(errorInfo.getMessage(), errorInfo.getCode());

+    }

 }
\ No newline at end of file