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/**
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* Copyright (C) 2017 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.io.cdmLight;
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import java.io.ByteArrayOutputStream;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.apache.commons.io.IOUtils;
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import eu.etaxonomy.cdm.io.common.ExportType;
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import eu.etaxonomy.cdm.model.common.ICdmBase;
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/**
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* @author k.luther
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\* @since 16.03.2017
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*
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*/
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public class CdmLightExportResultProcessor {
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private static final String HEADER = "HEADER_207dd23a-f877-4c27-b93a-8dbea3234281";
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private Map<CdmLightExportTable, Map<String,String[]>> result = new HashMap<>();
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private CdmLightExportState state;
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/**
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* @param state
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*/
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public CdmLightExportResultProcessor(CdmLightExportState state) {
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super();
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this.state = state;
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}
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/**
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* @param taxon
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* @param csvLine
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*/
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public void put(CdmLightExportTable table, String id, String[] csvLine) {
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Map<String,String[]> resultMap = result.get(table);
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if (resultMap == null ){
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resultMap = new HashMap<>();
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if (state.getConfig().isHasHeaderLines()){
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resultMap.put(HEADER, table.getColumnNames());
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}
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result.put(table, resultMap);
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}
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String[] record = resultMap.get(id);
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if (record == null){
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record = csvLine;
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String[] oldRecord = resultMap.put(id, record);
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if (oldRecord != null){
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String message = "Output processor already has a record for id " + id + ". This should not happen.";
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state.getResult().addWarning(message);
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}
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}
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}
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public boolean hasRecord(CdmLightExportTable table, String id){
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Map<String, String[]> resultMap = result.get(table);
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if (resultMap == null){
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return false;
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}else{
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return resultMap.get(id) != null;
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}
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}
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/**
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* @param table
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* @param taxon
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* @param csvLine
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*/
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public void put(CdmLightExportTable table, ICdmBase cdmBase, String[] csvLine) {
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this.put(table, String.valueOf(cdmBase.getId()), csvLine);
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}
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/**
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* @return
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*/
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public void createFinalResult(CdmLightExportState state) {
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if (!result.isEmpty() ){
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state.setAuthorStore(new HashMap<>());
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state.setHomotypicalGroupStore(new HashMap<>());
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state.setReferenceStore(new HashMap<>());
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state.setSpecimenStore(new HashMap<>());
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//Replace quotes by double quotes
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for (CdmLightExportTable table: result.keySet()){
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//schreibe jede Tabelle in einen Stream...
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Map<String, String[]> tableData = result.get(table);
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CdmLightExportConfigurator config = state.getConfig();
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ByteArrayOutputStream exportStream = new ByteArrayOutputStream();
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try{
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List<String> data = new ArrayList<>();
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String[] csvHeaderLine = tableData.get(HEADER);
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String lineString = createCsvLine(config, csvHeaderLine);
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lineString = lineString+ "";
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data.add(lineString);
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for (String key: tableData.keySet()){
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if (!key.equals(HEADER)){
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String[] csvLine = tableData.get(key);
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lineString = createCsvLine(config, csvLine);
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data.add(lineString);
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}
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}
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IOUtils.writeLines(data,
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null,exportStream,
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Charset.forName("UTF-8"));
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} catch(Exception e){
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state.getResult().addException(e, e.getMessage());
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}
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state.getResult().putExportData(table.getTableName(), exportStream.toByteArray());
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state.getResult().setExportType(ExportType.CDM_LIGHT);
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}
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}
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result.clear();
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}
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/**
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* @param config
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* @param csvLine
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* @return
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*/
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private String createCsvLine(CdmLightExportConfigurator config, String[] csvLine) {
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String lineString = "";
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boolean first = true;
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for (String columnEntry: csvLine){
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if (columnEntry == null){
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columnEntry = "";
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}
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columnEntry = columnEntry.replace("\"", "\"\"");
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columnEntry = columnEntry.replace(config.getLinesTerminatedBy(), "\\r");
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//replace all line brakes according to best practices: http://code.google.com/p/gbif-ecat/wiki/BestPractices
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columnEntry = columnEntry.replace("\r\n", "\\r");
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columnEntry = columnEntry.replace("\r", "\\r");
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columnEntry = columnEntry.replace("\n", "\\r");
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if (first){
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lineString += config.getFieldsEnclosedBy() + columnEntry + config.getFieldsEnclosedBy() ;
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first = false;
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}else{
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lineString += config.getFieldsTerminatedBy() + config.getFieldsEnclosedBy() + columnEntry + config.getFieldsEnclosedBy() ;
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}
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}
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return lineString;
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}
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}
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