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The BSD License Copyright (c) 2010-2012 RIPE NCC All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. - Neither the name of the RIPE NCC nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 package net.ripe.rpki.commons.util;
 
 
 import java.io.File;
 import java.io.Writer;
 import java.util.List;
 import java.util.Map;
 
 public class CsvFormatter {
 
     private static final char QUOTE_CHAR = '"';
 
     private static final String SEPARATOR = ",";
 
     private List<CsvColumncolumns = new ArrayList<CsvColumn>();
 
     private Map<CsvColumnList<String>> rowValues = new HashMap<CsvColumnList<String>>();
 
     private int rows = 0;
 
     private final String separator;
 
     public CsvFormatter() {
         this();
     }
 
     public CsvFormatter(String separator) {
         this. = separator;
     }
 
     public CsvFormatter addColumn(String heading) {
         addColumn(headingfalse);
         return this;
     }
 
     public CsvFormatter addQuotedColumn(String heading) {
         addColumn(headingtrue);
         return this;
     }
 
     private void addColumn(String headingboolean quoteValues) {
         CsvColumn column = new CsvColumn(headingquoteValues);
         .add(column);
         .put(columnnew ArrayList<String>());
     }
 
     // Setters for testing
     void setColumnList(List<CsvColumncolumns) {
         this. = columns;
     }
 
 
     public CsvFormatter addLine(String... values) {
         Validate.isTrue(.size() == values.length);
         int columnIndex = 0;
 
         for (String value : values) {
             if (value == null) {
                 value = "";
             }
 
             CsvColumn column = .get(columnIndex);
 
             if (!column.hasQuoteValues()) {
                 Validate.isTrue(!value.contains());
            }
            .get(column).add(value);
            columnIndex++;
        }
        ++;
        return this;
    }
    public void print(File outputFilethrows IOException {
        FileWriter fileWriter = new FileWriter(outputFile);
        print(fileWritertrue);
        fileWriter.close();
    }
    public void printWithoutHeaders(Writer outthrows IOException {
        print(outfalse);
    }
    public void printWithHeaders(Writer outthrows IOException {
        print(outtrue);
    }
    private void print(Writer outboolean printHeadersthrows IOException {
        if (printHeaders) {
            printHeaders(out);
        }
        for (int i = 0; i < i++) {
            printRow(outi);
        }
    }
    private void printHeaders(Writer outthrows IOException {
        StringBuilder headerLine = new StringBuilder();
        int columnNumber = 1;
        int numberOfColmns = .size();
        for (CsvColumn col : ) {
            headerLine.append(col.getHeading());
            if (columnNumber < numberOfColmns) {
                headerLine.append();
            }
            columnNumber++;
        }
        out.write(headerLine.toString() + "\n");
    }
    private void printRow(Writer outint ithrows IOException {
        StringBuilder rowOutput = new StringBuilder();
        int columnNumber = 1;
        int numberOfColumns = .size();
        for (CsvColumn col : ) {
            printValue(irowOutputcol);
            if (columnNumber < numberOfColumns) {
                rowOutput.append();
            }
            columnNumber++;
        }
        out.write(rowOutput.toString() + "\n");
    }
    private void printValue(int iStringBuilder rowOutputCsvColumn col) {
        if (col.hasQuoteValues()) {
            rowOutput.append();
        }
        rowOutput.append(.get(col).get(i));
        if (col.hasQuoteValues()) {
            rowOutput.append();
        }
    }
    class CsvColumn {
        private String heading;
        private boolean quoteValues;
        public CsvColumn(String headingboolean quoteValues) {
            this. = heading;
            this. = quoteValues;
        }
        public String getHeading() {
            return ;
        }
        public boolean hasQuoteValues() {
            return ;
        }
    }
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