Example usage for org.apache.solr.internal.csv CSVParser getLine

Introduction

In this page you can find the example usage for org.apache.solr.internal.csv CSVParser getLine.

Prototype

public String[] getLine() throws IOException 

Source Link

Document

Parses from the current point in the stream til the end of the current line.

Usage

From source file:org.alfresco.solr.query.MimetypeGroupingQParserPlugin.java

License:Open Source License

private static synchronized void initMap(String mappingFile) {
    String solrHome = SolrResourceLoader.locateSolrHome().toString();
    File file = new File(solrHome, mappingFile);

    CSVParser parser;
    try {/*from  w  w  w.  j  a va2 s  .co m*/
        parser = new CSVParser(new FileReader(file), CSVStrategy.DEFAULT_STRATEGY);
        // parse the fieldnames from the header of the file
        parser.getLine();

        // read the rest of the CSV file
        for (;;) {
            String[] vals = null;

            vals = parser.getLine();

            if (vals == null)
                break;

            mappings.put(vals[1], vals[2]);

            ArrayList<String> grouped = reverseMappings.get(vals[2]);
            if (grouped == null) {
                grouped = new ArrayList<>();
                reverseMappings.put(vals[2], grouped);
            }
            if (!grouped.contains(vals[1])) {
                grouped.add(vals[1]);
            }
        }
    } catch (FileNotFoundException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    } catch (IOException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
}

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From source file:org.phenotips.vocabulary.internal.CSVFileService.java

License:Open Source License

/**
 * Parses the CSF input with first line as a headers row into the collection of SolrInputDocuments.
 *
 * @param location the string url address from where to get the data to parse
 * @param headerToFieldMap the map between the headers in the data input stream and the correct field names
 * @param strategy represents the strategy for a CSV, mainly the separator character
 *///from  ww  w. ja v a  2 s.c  o m
public CSVFileService(String location, Map<String, String> headerToFieldMap, CSVStrategy strategy) {
    URL url;
    try {
        url = new URL(location);
    } catch (MalformedURLException ex) {
        throw new SolrException(SolrException.ErrorCode.UNSUPPORTED_MEDIA_TYPE, ex);
    }

    try {
        BufferedReader in = new BufferedReader(new InputStreamReader(url.openConnection().getInputStream()));

        String[] headers;

        String zeroLine = in.readLine();

        CSVParser headParser = new CSVParser(new StringReader(zeroLine), strategy);

        try {
            headers = headParser.getLine();
        } catch (IOException e) {
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, e);
        }

        // get correct field names for velocity
        transformHeaders(headers, headerToFieldMap);
        Reader reader = new InputStreamReader(url.openConnection().getInputStream());
        parseLines(reader, strategy, headers);
    } catch (NullPointerException ex) {
        this.logger.error("NullPointer: {}", ex.getMessage());
    } catch (IOException ex) {
        this.logger.error("IOException: {}", ex.getMessage());
    }

}

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From source file:org.phenotips.vocabulary.internal.CSVFileService.java

License:Open Source License

private void parseLines(Reader reader, CSVStrategy strategy, String[] headers) {
    String[] pieces;// www .  j a v a  2  s. c  o  m

    try {
        CSVParser parser = new CSVParser(reader, strategy);

        while ((pieces = parser.getLine()) != null) {
            // Ignore the whole line if begins with tab symbol
            if (pieces.length != headers.length || "".equals(pieces[0])) {
                continue;
            }

            SolrInputDocument crtTerm = new SolrInputDocument();
            int counter = 0;
            for (String term : pieces) {
                if (!"".equals(term)) {
                    crtTerm.addField(headers[counter], term);
                }
                counter++;
            }

            this.solrDocuments.add(crtTerm);
        }
    } catch (NullPointerException ex) {
        this.logger.error("NullPointer: {} ", ex.getMessage());
    } catch (IOException ex) {
        this.logger.error(" IOException: {}", ex.getMessage());
    }
}

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