LineReader.java

package org.gbif.checklistbank.ws.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.util.Iterator;

public class LineReader implements Iterable<String> {

  private BufferedReader r;

  public LineReader(InputStream stream, Charset encoding) {
    this.r = new BufferedReader(new InputStreamReader(stream, encoding));
  }

  public LineReader(BufferedReader r) {
    this.r = r;
  }

  @Override
  public Iterator<String> iterator() {
    return new Iterator<String>() {

      @Override
      public boolean hasNext() {
        try {
          r.mark(1);
          if (r.read() < 0) {
            return false;
          }
          r.reset();
          return true;
        } catch (IOException e) {
          return false;
        }
      }

      @Override
      public String next() {
        try {
          return r.readLine();
        } catch (IOException e) {
          return null;
        }
      }

      @Override
      public void remove() {
        throw new UnsupportedOperationException();
      }

    };
  }

}