| /* |
| * 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.logging.log4j.core.hamcrest; |
| |
| import java.io.File; |
| |
| import org.hamcrest.FeatureMatcher; |
| import org.hamcrest.Matcher; |
| |
| import static org.hamcrest.core.Is.is; |
| import static org.hamcrest.core.IsEqual.equalTo; |
| import static org.hamcrest.number.OrderingComparison.greaterThan; |
| import static org.hamcrest.number.OrderingComparison.lessThanOrEqualTo; |
| |
| /** |
| * Hamcrest Matchers that operate on File objects. |
| * |
| * @since 2.1 |
| */ |
| public final class FileMatchers { |
| |
| /** |
| * Matches if the File exists. |
| * |
| * @return the Matcher. |
| */ |
| public static Matcher<File> exists() { |
| return new FeatureMatcher<File, Boolean>(is(true), "file exists", "file exists") { |
| @Override |
| protected Boolean featureValueOf(final File actual) { |
| return actual.exists(); |
| } |
| }; |
| } |
| |
| /** |
| * Matches a Long Matcher against the file length. |
| * |
| * @param matcher the Matcher to use on the File length. |
| * @return the Matcher. |
| */ |
| public static Matcher<File> hasLength(final Matcher<Long> matcher) { |
| return new FeatureMatcher<File, Long>(matcher, "file with size", "file with size") { |
| @Override |
| protected Long featureValueOf(final File actual) { |
| return actual.length(); |
| } |
| }; |
| } |
| |
| /** |
| * Matches a specific file length. |
| * |
| * @param length the file length to match |
| * @param <T> the type of the length. |
| * @return the Matcher. |
| */ |
| public static <T extends Number> Matcher<File> hasLength(final T length) { |
| return hasLength(equalTo(length.longValue())); |
| } |
| |
| /** |
| * Matches a specific file length. |
| * |
| * @param length the file length to match |
| * @return the Matcher. |
| */ |
| public static Matcher<File> hasLength(final long length) { |
| return hasLength(equalTo(length)); |
| } |
| |
| /** |
| * Matches a file with length equal to zero. |
| * |
| * @return the Matcher. |
| */ |
| public static Matcher<File> isEmpty() { |
| return hasLength(0L); |
| } |
| |
| /** |
| * Matches against a file's last modification time in milliseconds. |
| * |
| * @param matcher the Matcher to use on the File modification time. |
| * @return the Matcher. |
| */ |
| public static Matcher<File> lastModified(final Matcher<Long> matcher) { |
| return new FeatureMatcher<File, Long>(matcher, "was last modified", "was last modified") { |
| @Override |
| protected Long featureValueOf(final File actual) { |
| return actual.lastModified(); |
| } |
| }; |
| } |
| |
| /** |
| * Matches a time in millis before the current time. |
| * |
| * @return the Matcher. |
| */ |
| public static Matcher<Long> beforeNow() { |
| return lessThanOrEqualTo(System.currentTimeMillis()); |
| } |
| |
| /** |
| * Matches the number of files in a directory. |
| * |
| * @param matcher the Matcher to use on the number of files. |
| * @return the Matcher. |
| */ |
| public static Matcher<File> hasNumberOfFiles(final Matcher<Integer> matcher) { |
| return new FeatureMatcher<File, Integer>(matcher, "directory with number of files", |
| "directory with number of files") { |
| @Override |
| protected Integer featureValueOf(final File actual) { |
| final File[] files = actual.listFiles(); |
| return files == null ? 0 : files.length; |
| } |
| }; |
| } |
| |
| /** |
| * Matches a directory with at least one file. |
| * |
| * @return the Matcher. |
| */ |
| public static Matcher<File> hasFiles() { |
| return hasNumberOfFiles(greaterThan(0)); |
| } |
| |
| /** |
| * Matches a file name. |
| * |
| * @param matcher the Matcher to use on the file name. |
| * @return the Matcher. |
| */ |
| public static Matcher<File> hasName(final Matcher<String> matcher) { |
| return new FeatureMatcher<File, String>(matcher, "file named", "file named") { |
| @Override |
| protected String featureValueOf(final File actual) { |
| return actual.getName(); |
| } |
| }; |
| } |
| |
| private FileMatchers() { |
| } |
| |
| } |