content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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 org.apache.causeway.testing.unittestsupport.applib.matchers;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.hamcrest.Description;
  import org.hamcrest.Matcher;
  import org.hamcrest.TypeSafeMatcher;
  
  /**
   * Hamcrest {@link Matcher} implementations for {@link File}s.
   *
   * @since 2.0 {@index}
   */
  public final class FileMatchers {
  
      private FileMatchers() { }
  
      public static Matcher<File> existsAndNotEmpty() {
  
          return new TypeSafeMatcher<>() {
  
              @Override
              public void describeTo(final Description arg0) {
                  arg0.appendText("exists and is not empty");
              }
  
              @Override
              public boolean matchesSafely(final File f) {
                  return f.exists() && f.length() > 0;
              }
          };
      }
  
      public static Matcher<File> equalsFile(final File file) throws IOException {
          final String canonicalPath = file.getCanonicalPath();
          return new TypeSafeMatcher<>() {
  
              @Override
              public void describeTo(Description arg0) {
                  arg0.appendText("file '" + canonicalPath + "'");
              }
  
              @Override
              public boolean matchesSafely(File arg0) {
                  try {
                      return arg0.getCanonicalPath().equals(canonicalPath);
                  } catch (IOException e) {
                      return false;
                  }
              }
          };
      }
  
  }
  