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'rapiddweller Common' is an open source Java library forked from Databene Commons by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * Licensed 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 com.rapiddweller.common.ui;

import com.rapiddweller.common.IOUtil;
import com.rapiddweller.common.ReaderLineIterator;

import java.io.IOException;

/**
 * {@link InfoPrinter} implementation that prints info to the console.
 * Created at 21.12.2008 11:34:25
 *
 * @author Volker Bergmann
 * @since 0.4.7
 */
public class ConsoleInfoPrinter extends InfoPrinter {

  @Override
  public void printLines(Object owner, String... helpLines) {
    printHelp(helpLines);
  }

  /**
   * Print help.
   *
   * @param helpLines the help lines
   */
  public static void printHelp(String... helpLines) {
    for (String helpLine : helpLines) {
      System.out.println(helpLine);
    }
  }

  /**
   * Print file.
   *
   * @param uri the uri
   * @throws IOException the io exception
   */
  public static void printFile(String uri) throws IOException {
    ReaderLineIterator iterator = null;
    try {
      iterator = new ReaderLineIterator(IOUtil.getReaderForURI(uri));
      while (iterator.hasNext()) {
        System.out.println(iterator.next());
      }
    } finally {
      IOUtil.close(iterator);
    }
  }

}