82 lines
3.1 KiB
Java
82 lines
3.1 KiB
Java
package org.gcube.common.software.analyser;
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import java.io.File;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import org.gcube.com.fasterxml.jackson.databind.JsonNode;
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import org.gcube.com.fasterxml.jackson.databind.ObjectMapper;
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import org.gcube.com.fasterxml.jackson.databind.node.ArrayNode;
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import org.gcube.com.fasterxml.jackson.databind.node.JsonNodeType;
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import org.gcube.com.fasterxml.jackson.databind.node.ObjectNode;
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import org.gcube.common.software.utils.Utils;
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/**
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* @author Luca Frosini (ISTI - CNR)
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*/
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public class AnalyserFactory {
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public static final String EXPORT_FILENAME_PROPERTY_NAME = "export_filename";
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public static final String EXPORT_FILENAME_EXTENSION = ".json";
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public static final String GLOBAL_PROPERTY_NAME = "global";
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public static final String VERSIONS_PROPERTY_NAME = "versions";
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public static Analyser getAnalyser(File jsonFile) throws Exception {
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ObjectMapper objectMapper = Utils.getObjectMapper();
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JsonNode jsonNode = objectMapper.readTree(jsonFile);
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return getAnalyser(jsonNode);
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}
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public static Analyser getAnalyser(String json) throws Exception {
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ObjectMapper objectMapper = Utils.getObjectMapper();
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JsonNode jsonNode = objectMapper.readTree(json);
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return getAnalyser(jsonNode);
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}
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public static Analyser getAnalyser(JsonNode jsonNode) throws Exception {
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Analyser analyser = new Analyser();
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ObjectNode originalGlobal = (ObjectNode) jsonNode.get(GLOBAL_PROPERTY_NAME);
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analyser.setOriginalGlobal(originalGlobal);
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ArrayNode originalVersions = (ArrayNode) jsonNode.get(VERSIONS_PROPERTY_NAME);
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analyser.setOriginalVersions(originalVersions);
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return analyser;
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}
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public static ObjectNode getAnalysResultAsObjectNode(Analyser analyser) throws Exception {
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ObjectMapper objectMapper = Utils.getObjectMapper();
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ObjectNode toBeExported = objectMapper.createObjectNode();
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toBeExported.replace(GLOBAL_PROPERTY_NAME, analyser.getOriginalGlobal());
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toBeExported.replace(VERSIONS_PROPERTY_NAME, analyser.getExportingVersions());
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return toBeExported;
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}
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public static String getExportFileName(String fileName) {
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if(fileName==null || fileName.length()==0) {
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SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
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return simpleDateFormat.format(Calendar.getInstance().getTime()) + EXPORT_FILENAME_EXTENSION;
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}
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return fileName;
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}
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public static void writeAnalysResultToFile(Analyser analyser) throws Exception {
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JsonNode jsonNode = analyser.getOriginalGlobal().get(AnalyserFactory.EXPORT_FILENAME_PROPERTY_NAME);
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String fileName = jsonNode.getNodeType() == JsonNodeType.NULL ? null : jsonNode.asText();
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fileName = AnalyserFactory.getExportFileName(fileName);
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File file = new File(fileName);
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writeAnalysResultToFile(analyser, file);
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}
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public static void writeAnalysResultToFile(Analyser analyser, File file) throws Exception {
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ObjectNode toBeExported = getAnalysResultAsObjectNode(analyser);
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writeObjectNodeToFile(toBeExported, file);
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}
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public static void writeObjectNodeToFile(ObjectNode toBeExported, File file) throws Exception {
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ObjectMapper objectMapper = Utils.getObjectMapper();
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objectMapper.writeValue(file, toBeExported);
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}
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}
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