TestIoUtil.java

/**
 * Copyright 2008 the original author or authors.
 *
 * 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 net.sf.katta.testutil;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class TestIoUtil {

  public static void writeFile(File file, String... lines) throws IOException {
    BufferedWriter writer = new BufferedWriter(new FileWriter(file));
    for (String line : lines) {
      writer.append(line);
      writer.newLine();
    }
    writer.close();
  }

  public static long countLines(File file) throws IOException {
    BufferedReader reader = new BufferedReader(new FileReader(file));
    long lines = 0;
    while (reader.readLine() != null) {
      lines++;
    }
    reader.close();
    return lines;
  }
}