diff options
| -rw-r--r-- | appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java | 82 |
1 files changed, 43 insertions, 39 deletions
diff --git a/appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java b/appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java index b7ff22251..ca6751005 100644 --- a/appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java +++ b/appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java @@ -25,12 +25,14 @@ package org.onap.sdnc.dg.loader; import java.io.File; +import java.io.IOException; import java.security.InvalidParameterException; import java.util.ArrayList; import java.util.List; import javax.script.Invocable; import javax.script.ScriptEngine; import javax.script.ScriptEngineManager; +import javax.script.ScriptException; import org.apache.commons.io.FileUtils; import org.apache.commons.io.IOUtils; import org.slf4j.Logger; @@ -38,15 +40,15 @@ import org.slf4j.LoggerFactory; public class DGXMLGenerator { - private final static Logger logger = LoggerFactory.getLogger(DGXMLGenerator.class); - public static final String STRING_ENCODING = "utf-8"; - public static final String JS_INTERFACE_DG_CONVERTOR = "dgconverter"; - public static final String JS_METHOD_GET_NODE_TO_XML = "getNodeToXml"; - public static final String GENERATOR_TEMPLATE_FILE = "js/dg_xml2json.js"; + private static final Logger logger = LoggerFactory.getLogger(DGXMLGenerator.class); - public void generateXMLFromJSON(String jsonPath, String xmlpath, String propertyPath) - throws InvalidParameterException { + private static final String STRING_ENCODING = "utf-8"; + private static final String JS_INTERFACE_DG_CONVERTOR = "dgconverter"; + private static final String JS_METHOD_GET_NODE_TO_XML = "getNodeToXml"; + private static final String GENERATOR_TEMPLATE_FILE = "js/dg_xml2json.js"; + + public void generateXMLFromJSON(String jsonPath, String xmlpath, String propertyPath) { try { ScriptEngineManager manager = new ScriptEngineManager(); ScriptEngine engine = manager.getEngineByName("JavaScript"); @@ -55,19 +57,17 @@ public class DGXMLGenerator { return; } Invocable inv = (Invocable) engine; - // engine.eval(new - // FileReader(DGXMLGenerator.class.getClassLoader().getResource(GENERATOR_TEMPLATE_FILE).getPath())); String js = IOUtils.toString(DGXMLGenerator.class.getClassLoader() - .getResourceAsStream(GENERATOR_TEMPLATE_FILE), STRING_ENCODING); + .getResourceAsStream(GENERATOR_TEMPLATE_FILE), STRING_ENCODING); engine.eval(js); Object dgconverter = engine.get(JS_INTERFACE_DG_CONVERTOR); - List<File> files = new ArrayList<File>(); + List<File> files = new ArrayList<>(); if (dgconverter != null) { File jsonPathFile = new File(jsonPath); if (jsonPathFile.isDirectory()) { - String[] extensions = new String[] {"json", "JSON"}; + String[] extensions = new String[]{"json", "JSON"}; files = (List<File>) FileUtils.listFiles(jsonPathFile, extensions, true); } else if (jsonPathFile.isFile()) { files.add(jsonPathFile); @@ -77,26 +77,12 @@ public class DGXMLGenerator { logger.info("JSON Files identified " + files.size()); - if (files.size() > 0) { + if (!files.isEmpty()) { boolean isXmlPathDeleted = FileUtils.deleteQuietly(new File(xmlpath)); logger.info("Cleaning old DG XML under : " + xmlpath + ", delete status :" - + isXmlPathDeleted); - - for (File file : files) { - String dgJson = FileUtils.readFileToString(file, STRING_ENCODING); - logger.info("Generating XML from :" + file.getName()); - String xmlFileName = - xmlpath + "/" + file.getName().replace(".json", ".xml"); - - Object dgXMl = - inv.invokeMethod(dgconverter, JS_METHOD_GET_NODE_TO_XML, dgJson); - // Write the XML File - if (dgXMl != null) { - File xmlFile = new File(xmlFileName); - FileUtils.writeStringToFile(xmlFile, dgXMl.toString(), STRING_ENCODING); - logger.info("Generated XML File under :" + xmlFile.getCanonicalPath()); - } - } + + isXmlPathDeleted); + + generateXmls(xmlpath, inv, dgconverter, files); } else { logger.info("No JSON Files to generate XML"); @@ -105,21 +91,42 @@ public class DGXMLGenerator { logger.error("Couldn't get Java Script Engine.."); } } catch (Exception e) { - logger.error("Failed to generate generateXMLFromJSON :" + e.getMessage()); + logger.error("Failed to generate generateXMLFromJSON", e); } } + private void generateXmls(String xmlpath, Invocable inv, Object dgconverter, List<File> files) + throws IOException, ScriptException, NoSuchMethodException { + for (File file : files) { + String dgJson = FileUtils.readFileToString(file, STRING_ENCODING); + logger.info("Generating XML from :" + file.getName()); + String xmlFileName = + xmlpath + "/" + file.getName().replace(".json", ".xml"); + + Object dgXMl = + inv.invokeMethod(dgconverter, JS_METHOD_GET_NODE_TO_XML, dgJson); + tryWriteXml(xmlFileName, dgXMl); + } + } + + private void tryWriteXml(String xmlFileName, Object dgXMl) throws IOException { + if (dgXMl != null) { + File xmlFile = new File(xmlFileName); + FileUtils.writeStringToFile(xmlFile, dgXMl.toString(), STRING_ENCODING); + logger.info("Generated XML File under :" + xmlFile.getCanonicalPath()); + } + } public static void main(String[] args) { try { DGXMLGenerator application = new DGXMLGenerator(); - String jsonPath = null; - String xmlPath = null; + String jsonPath; + String xmlPath; String propertyPath = null; // Generate, GenerateLoad, GenerateLoadActivate - // args = new String[]{"src/main/resources/json","src/test/resources/xml"}; - logger.info("DGXML Conversion Started with arguments :" + args[0] + ":" + args[1]); if (args != null && args.length >= 2) { + // e.g "src/main/resources/json" "src/test/resources/xml" + logger.info("DGXML Conversion Started with arguments :" + args[0] + ":" + args[1]); jsonPath = args[0]; xmlPath = args[1]; } else { @@ -129,10 +136,7 @@ public class DGXMLGenerator { application.generateXMLFromJSON(jsonPath, xmlPath, propertyPath); logger.info("DGXML Conversion Completed..."); } catch (Exception e) { - logger.error("Failed in DG XML Generation :" + e.getMessage()); - e.printStackTrace(); + logger.error("Failed in DG XML Generation", e); } - } - } |