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26600
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sandro.lab
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package eu.dnetlib.data.collector.plugins;
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28859
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sandro.lab
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import java.io.BufferedReader;
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44437
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michele.ar
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import java.io.FileInputStream;
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26600
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sandro.lab
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import java.io.IOException;
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44437
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michele.ar
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import java.io.InputStreamReader;
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26600
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sandro.lab
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.Iterator;
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44437
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michele.ar
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import org.apache.commons.io.input.BOMInputStream;
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50665
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jochen.sch
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import org.apache.commons.lang3.StringEscapeUtils;
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import org.apache.commons.lang3.StringUtils;
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26600
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sandro.lab
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.dom4j.Document;
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import org.dom4j.DocumentHelper;
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import org.dom4j.Element;
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44437
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michele.ar
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import eu.dnetlib.data.collector.plugin.AbstractCollectorPlugin;
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import eu.dnetlib.data.collector.rmi.CollectorServiceException;
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import eu.dnetlib.data.collector.rmi.InterfaceDescriptor;
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48023
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claudio.at
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/**
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* Please use eu.dnetlib.data.collector.plugins.HttpCSVCollectorPlugin instead
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*/
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@Deprecated
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33202
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michele.ar
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public class FileCSVCollectorPlugin extends AbstractCollectorPlugin {
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26600
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sandro.lab
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private static final Log log = LogFactory.getLog(FileCSVCollectorPlugin.class);
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class FileCSVIterator implements Iterator<String> {
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28859
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sandro.lab
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private String next;
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26600
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sandro.lab
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28859
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sandro.lab
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private BufferedReader reader;
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private String separator;
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44306
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alessia.ba
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private String quote;
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28859
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sandro.lab
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44437
|
michele.ar
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public FileCSVIterator(final BufferedReader reader, final String separator, final String quote) {
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28859
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sandro.lab
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this.reader = reader;
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this.separator = separator;
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44306
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alessia.ba
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this.quote = quote;
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28859
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sandro.lab
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next = calculateNext();
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}
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26600
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sandro.lab
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@Override
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public boolean hasNext() {
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return next != null;
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}
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@Override
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public String next() {
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44437
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michele.ar
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final String s = next;
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28859
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sandro.lab
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next = calculateNext();
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return s;
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26600
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sandro.lab
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}
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private String calculateNext() {
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try {
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44437
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michele.ar
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final Document document = DocumentHelper.createDocument();
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final Element root = document.addElement("csvRecord");
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26600
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sandro.lab
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28859
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sandro.lab
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String newLine = reader.readLine();
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26600
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sandro.lab
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28859
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sandro.lab
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// FOR SOME FILES IT RETURN NULL ALSO IF THE FILE IS NOT READY DONE
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if (newLine == null) {
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newLine = reader.readLine();
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}
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if (newLine == null) {
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log.info("there is no line, closing RESULT SET");
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reader.close();
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return null;
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}
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44437
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michele.ar
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final String[] currentRow = newLine.split(separator);
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28859
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sandro.lab
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26600
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sandro.lab
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if (currentRow != null) {
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for (int i = 0; i < currentRow.length; i++) {
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44437
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michele.ar
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final String hAttribute = (headers != null) && (i < headers.length) ? headers[i] : "column" + i;
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26600
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sandro.lab
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44437
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michele.ar
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final Element row = root.addElement("column");
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26600
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sandro.lab
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if (i == identifierNumber) {
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row.addAttribute("isID", "true");
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}
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44437
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michele.ar
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final String value = StringUtils.isBlank(quote) ? currentRow[i] : StringUtils.strip(currentRow[i], quote);
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44306
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alessia.ba
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row.addAttribute("name", hAttribute).addText(value);
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26600
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sandro.lab
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}
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return document.asXML();
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}
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44437
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michele.ar
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} catch (final IOException e) {
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26600
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sandro.lab
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log.error("Error calculating next csv element", e);
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}
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return null;
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}
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@Override
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public void remove() {
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32953
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alessia.ba
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throw new UnsupportedOperationException();
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26600
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sandro.lab
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}
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}
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private String[] headers = null;
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private int identifierNumber;
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@Override
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28859
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sandro.lab
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public Iterable<String> collect(final InterfaceDescriptor interfaceDescriptor, final String fromDate, final String untilDate)
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throws CollectorServiceException {
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26600
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sandro.lab
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final String header = interfaceDescriptor.getParams().get("header");
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final String separator = StringEscapeUtils.unescapeJava(interfaceDescriptor.getParams().get("separator"));
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44306
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alessia.ba
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final String quote = interfaceDescriptor.getParams().get("quote");
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28859
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sandro.lab
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26600
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sandro.lab
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identifierNumber = Integer.parseInt(interfaceDescriptor.getParams().get("identifier"));
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URL u = null;
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try {
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u = new URL(interfaceDescriptor.getBaseUrl());
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44437
|
michele.ar
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} catch (final MalformedURLException e1) {
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26600
|
sandro.lab
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throw new CollectorServiceException(e1);
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}
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final String baseUrl = u.getPath();
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log.info("base URL = " + baseUrl);
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28859
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sandro.lab
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| 128 |
26600
|
sandro.lab
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try {
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| 129 |
44437
|
michele.ar
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final BufferedReader br = new BufferedReader(new InputStreamReader(new BOMInputStream(new FileInputStream(baseUrl))));
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if ((header != null) && "true".equals(header.toLowerCase())) {
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final String[] tmpHeader = br.readLine().split(separator);
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if (StringUtils.isNotBlank(quote)) {
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int i = 0;
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44306
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alessia.ba
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headers = new String[tmpHeader.length];
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44437
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michele.ar
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for (final String h : tmpHeader) {
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44306
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alessia.ba
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headers[i] = StringUtils.strip(h, quote);
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i++;
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}
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44437
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michele.ar
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} else headers = tmpHeader;
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26600
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sandro.lab
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}
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48023
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claudio.at
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return () -> new FileCSVIterator(br, separator, quote);
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| 144 |
44437
|
michele.ar
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} catch (final Exception e) {
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32953
|
alessia.ba
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throw new CollectorServiceException(e);
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26600
|
sandro.lab
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}
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}
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}
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