content: /*
   * Created on Oct 10, 2012
   *
   * 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.
   *
   * Copyright @2013 the original author or authors.
   */
  package org.fest.assertions.internal;
  
  import java.util.List;
  
  import org.fest.util.Lists;
  
  /**
   * @author Joel Costigliola
   * @author Alex Ruiz
   * @author Yvonne Wang
   */
  class FileDiffs {
    private final List<String> diffs = Lists.newArrayList();
  
    void add(String diff) {
      diffs.add(diff);
    }
  
    boolean isEmpty() {
      return diffs.isEmpty();
    }
  
    int size() {
      return diffs.size();
    }
  
    String get(int index) {
      return diffs.get(index);
    }
  
    @Override
    public String toString() {
      StringBuilder buffer = new StringBuilder();
      String lineSeparator = System.getProperty("line.separator");
      int diffCount = diffs.size();
      for (int i = 0; i < diffCount; i++) {
        buffer.append("  ").append(diffs.get(i));
        if (i < diffs.size() - 1) {
          buffer.append(lineSeparator);
        }
      }
      return buffer.toString();
    }
  }
  