content: /*
   * Created on Dec 14, 2010
   *
   * 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.error;
  
  import java.util.List;
  
  import org.fest.assertions.description.Description;
  
  /**
   *
   * Base class for text content error.
   *
   * @author Joel Costigliola
   * @author Yvonne Wang
   *
   */
  public class AbstractShouldHaveTextContent extends BasicErrorMessageFactory {
  
    protected String diffs;
  
    public AbstractShouldHaveTextContent(String format, Object... arguments) {
      super(format, arguments);
    }
  
    @Override
    public String create(Description d) {
      // we append diffs here as we can't add in super constructor call, see why below.
      //
      // case 1 - append diffs to String passed in super :
      // super("file:<%s> and file:<%s> do not have equal content:" + diffs, actual, expected);
      // this leads to a MissingFormatArgumentException if diffs contains a format specifier (like %s) because the String
      // will
      // finally be evaluated with String.format
      //
      // case 2 - add as format arg to the String passed in super :
      // super("file:<%s> and file:<%s> do not have equal content:"actual, expected, diffs);
      // this is better than case 1 but the diffs String will be quoted before the class to String.format as all String in
      // Fest
      // error message. This is not what we want
      //
      // The solution is to keep diffs as an attribute and append it after String.format has been applied on the error
      // message.
      return super.create(d) + diffs;
    }
  
    protected static String diffsAsString(List<String> diffsList) {
      StringBuilder stringBuilder = new StringBuilder();
      for (String diff : diffsList) {
        stringBuilder.append(System.getProperty(",")).append(diff);
      }
      return stringBuilder.toString();
    }
  
  }