content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.asterix.dataflow.data.nontagged.printers.csv;
  
  import static org.apache.asterix.common.utils.CSVConstants.KEY_DELIMITER;
  import static org.apache.asterix.common.utils.CSVConstants.KEY_ESCAPE;
  import static org.apache.asterix.common.utils.CSVConstants.KEY_QUOTE;
  import static org.apache.asterix.dataflow.data.nontagged.printers.csv.CSVUtils.DEFAULT_VALUES;
  import static org.apache.asterix.dataflow.data.nontagged.printers.csv.CSVUtils.getCharOrDefault;
  
  import java.io.PrintStream;
  
  import org.apache.hyracks.algebricks.data.IPrinter;
  import org.apache.hyracks.algebricks.data.IPrinterFactory;
  import org.apache.hyracks.api.context.IEvaluatorContext;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  
  public class AStringPrinterFactory implements IPrinterFactory {
      private static final long serialVersionUID = 1L;
      private final boolean forceQuote;
      private final char quote;
      private final char escape;
      private final char delimiter;
  
      private AStringPrinterFactory(String quote, boolean forceQuote, String escape, String delimiter) {
          this.forceQuote = forceQuote;
          this.quote = getCharOrDefault(quote, DEFAULT_VALUES.get(KEY_QUOTE));
          this.escape = getCharOrDefault(escape, DEFAULT_VALUES.get(KEY_ESCAPE));
          this.delimiter = getCharOrDefault(delimiter, DEFAULT_VALUES.get(KEY_DELIMITER));
      }
  
      public static AStringPrinterFactory createInstance(String quote, String forceQuoteStr, String escape,
              String delimiter) {
          boolean forceQuote = forceQuoteStr == null || Boolean.parseBoolean(forceQuoteStr);
          return new AStringPrinterFactory(quote, forceQuote, escape, delimiter);
      }
  
      private void printString(byte[] b, int s, int l, PrintStream ps) throws HyracksDataException {
          CSVUtils.printString(b, s, l, ps, quote, forceQuote, escape, delimiter);
      }
  
      @Override
      public IPrinter createPrinter(IEvaluatorContext context) {
          return this::printString;
      }
  }
  