Example usage for org.apache.commons.csv CSVStrategy setDelimiter

Introduction

In this page you can find the example usage for org.apache.commons.csv CSVStrategy setDelimiter.

Prototype

public void setDelimiter(char delimiter) 

Source Link

Usage

From source file:org.apache.camel.dataformat.csv.CsvUnmarshalPipeDelimiterTest.java

@Override
protected RouteBuilder createRouteBuilder() throws Exception {
    return new RouteBuilder() {
        @Override// www  .  ja  v  a 2  s . c om
        public void configure() throws Exception {
            CsvDataFormat csv = new CsvDataFormat();
            CSVStrategy strategy = CSVStrategy.DEFAULT_STRATEGY;
            strategy.setDelimiter('|');
            csv.setStrategy(strategy);

            // also possible
            // CsvDataFormat csv = new CsvDataFormat();
            // csv.setDelimiter("|");

            from("direct:start").unmarshal(csv).to("mock:result");
        }
    };
}

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From source file:org.apache.solr.response.CSVResponseWriter.java

public void writeResponse() throws IOException {
    SolrParams params = req.getParams();

    strategy = new CSVStrategy(',', '"', CSVStrategy.COMMENTS_DISABLED, CSVStrategy.ESCAPE_DISABLED, false,
            false, false, true);//from w  ww .  j  a va  2  s .c  om
    CSVStrategy strat = strategy;

    String sep = params.get(CSV_SEPARATOR);
    if (sep != null) {
        if (sep.length() != 1)
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Invalid separator:'" + sep + "'");
        strat.setDelimiter(sep.charAt(0));
    }

    String nl = params.get(CSV_NEWLINE);
    if (nl != null) {
        if (nl.length() == 0)
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Invalid newline:'" + nl + "'");
        strat.setPrinterNewline(nl);
    }

    String encapsulator = params.get(CSV_ENCAPSULATOR);
    String escape = params.get(CSV_ESCAPE);
    if (encapsulator != null) {
        if (encapsulator.length() != 1)
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
                    "Invalid encapsulator:'" + encapsulator + "'");
        strat.setEncapsulator(encapsulator.charAt(0));
    }

    if (escape != null) {
        if (escape.length() != 1)
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Invalid escape:'" + escape + "'");
        strat.setEscape(escape.charAt(0));
        if (encapsulator == null) {
            strat.setEncapsulator(CSVStrategy.ENCAPSULATOR_DISABLED);
        }
    }

    if (strat.getEscape() == '\\') {
        // If the escape is the standard backslash, then also enable
        // unicode escapes (it's harmless since 'u' would not otherwise
        // be escaped.
        strat.setUnicodeEscapeInterpretation(true);
    }

    printer = new CSVPrinter(writer, strategy);

    CSVStrategy mvStrategy = new CSVStrategy(strategy.getDelimiter(), CSVStrategy.ENCAPSULATOR_DISABLED,
            CSVStrategy.COMMENTS_DISABLED, '\\', false, false, false, false);
    strat = mvStrategy;

    sep = params.get(MV_SEPARATOR);
    if (sep != null) {
        if (sep.length() != 1)
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Invalid mv separator:'" + sep + "'");
        strat.setDelimiter(sep.charAt(0));
    }

    encapsulator = params.get(MV_ENCAPSULATOR);
    escape = params.get(MV_ESCAPE);

    if (encapsulator != null) {
        if (encapsulator.length() != 1)
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
                    "Invalid mv encapsulator:'" + encapsulator + "'");
        strat.setEncapsulator(encapsulator.charAt(0));
        if (escape == null) {
            strat.setEscape(CSVStrategy.ESCAPE_DISABLED);
        }
    }

    escape = params.get(MV_ESCAPE);
    if (escape != null) {
        if (escape.length() != 1)
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Invalid mv escape:'" + escape + "'");
        strat.setEscape(escape.charAt(0));
        // encapsulator will already be disabled if it wasn't specified
    }

    returnScore = returnFields != null && returnFields.contains("score");
    boolean needListOfFields = returnFields == null || returnFields.size() == 0
            || (returnFields.size() == 1 && returnScore) || returnFields.contains("*");
    Collection<String> fields = returnFields;

    Object responseObj = rsp.getValues().get("response");
    if (needListOfFields) {
        if (responseObj instanceof SolrDocumentList) {
            // get the list of fields from the SolrDocumentList
            fields = new LinkedHashSet<String>();
            for (SolrDocument sdoc : (SolrDocumentList) responseObj) {
                fields.addAll(sdoc.getFieldNames());
            }
        } else {
            // get the list of fields from the index
            fields = req.getSearcher().getFieldNames();
        }
        if (returnScore) {
            fields.add("score");
        } else {
            fields.remove("score");
        }
    }

    CSVSharedBufPrinter csvPrinterMV = new CSVSharedBufPrinter(mvWriter, mvStrategy);

    for (String field : fields) {
        if (field.equals("score")) {
            CSVField csvField = new CSVField();
            csvField.name = "score";
            csvFields.put("score", csvField);
            continue;
        }

        SchemaField sf = schema.getFieldOrNull(field);
        if (sf == null) {
            FieldType ft = new StrField();
            sf = new SchemaField(field, ft);
        }

        // if we got the list of fields from the index, only list stored fields
        if (returnFields == null && sf != null && !sf.stored()) {
            continue;
        }

        // check for per-field overrides
        sep = params.get("f." + field + '.' + CSV_SEPARATOR);
        encapsulator = params.get("f." + field + '.' + CSV_ENCAPSULATOR);
        escape = params.get("f." + field + '.' + CSV_ESCAPE);

        CSVSharedBufPrinter csvPrinter = csvPrinterMV;
        if (sep != null || encapsulator != null || escape != null) {
            // create a new strategy + printer if there were any per-field overrides
            strat = (CSVStrategy) mvStrategy.clone();
            if (sep != null) {
                if (sep.length() != 1)
                    throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
                            "Invalid mv separator:'" + sep + "'");
                strat.setDelimiter(sep.charAt(0));
            }
            if (encapsulator != null) {
                if (encapsulator.length() != 1)
                    throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
                            "Invalid mv encapsulator:'" + encapsulator + "'");
                strat.setEncapsulator(encapsulator.charAt(0));
                if (escape == null) {
                    strat.setEscape(CSVStrategy.ESCAPE_DISABLED);
                }
            }
            if (escape != null) {
                if (escape.length() != 1)
                    throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
                            "Invalid mv escape:'" + escape + "'");
                strat.setEscape(escape.charAt(0));
                if (encapsulator == null) {
                    strat.setEncapsulator(CSVStrategy.ENCAPSULATOR_DISABLED);
                }
            }
            csvPrinter = new CSVSharedBufPrinter(mvWriter, strat);
        }

        CSVField csvField = new CSVField();
        csvField.name = field;
        csvField.sf = sf;
        csvField.mvPrinter = csvPrinter;
        csvFields.put(field, csvField);
    }

    NullValue = params.get(CSV_NULL, "");

    if (params.getBool(CSV_HEADER, true)) {
        for (CSVField csvField : csvFields.values()) {
            printer.print(csvField.name);
        }
        printer.println();
    }

    if (responseObj instanceof DocList) {
        writeDocList(null, (DocList) responseObj, null, null);
    } else if (responseObj instanceof SolrDocumentList) {
        writeSolrDocumentList(null, (SolrDocumentList) responseObj, null, null);
    }

}

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