public static boolean equal(File file1, File file2) throws IOException {
    checkNotNull(file1);
    checkNotNull(file2);
    if (file1 == file2 || file1.equals(file2)) {
      return true;
    }

    /*
     * Some operating systems may return zero as the length for files denoting system-dependent
     * entities such as devices or pipes, in which case we must fall back on comparing the bytes
     * directly.
     */

    File dir2 = newFile("dir-1/dir-2");

    assertThat(Files.fileTraverser().breadthFirst(rootDir))
        .containsExactly(rootDir, fileA, fileB, dir1, dir2);
  }

  @CanIgnoreReturnValue
  private File newDir(String name) {
    File file = new File(rootDir, name);
    file.mkdir();
    return file;
  }

  @CanIgnoreReturnValue
  private File newFile(String name) throws IOException {

    Files.createParentDirs(file);
  }

  public void testCreateParentDirs_relativePath() throws IOException {
    File file = file("nonexistent.file");
    assertNull(file.getParentFile());
    assertNotNull(file.getCanonicalFile().getParentFile());
    Files.createParentDirs(file);
  }

  public void testCreateParentDirs_noParentsNeeded() throws IOException {
    File file = file(getTempDir(), "nonexistent.file");

        try {
            Path tempPath = null;
            try {
                tempPath = Files.createTempFile("transport-get", "tmp");
                Files.write(tempPath, source);
                put(tempPath, relativeTarget);
            } finally {
                if (tempPath != null) {
                    Files.deleteIfExists(tempPath);
                }
            }
        } catch (IOException e) {

import java.nio.file.FileSystems;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.NoSuchFileException;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.util.EnumSet;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

            for (Artifact artifact : extensionArtifacts) {
                File file = artifact.getFile();
                files.add(file);
                timestamps.add((file != null) ? Long.valueOf(file.lastModified()) : Long.valueOf(0));
                sizes.add((file != null) ? Long.valueOf(file.length()) : Long.valueOf(0));
                ids.add(artifact.getVersion());
            }

    }

    /**
     * @throws Exception
     */
    public void testToFile() throws Exception {
        final File file = new File("Program Files/hoge.txt");
        final URL url = file.toURI().toURL();
        assertEquals(file.getAbsoluteFile(), URLUtil.toFile(url));
        assertEquals(file.getAbsoluteFile(), URLUtil.toFile(new URL("file:Program%20Files/hoge.txt")));
    }

        }
    }

    public static class ApiLogFilesResponse extends ApiResponse {
        protected List<Map<String, Object>> files;
        protected long total = 0;

        public ApiLogFilesResponse files(final List<Map<String, Object>> files) {
            this.files = files;
            return this;
        }

        public ApiLogFilesResponse total(final long total) {
            this.total = total;

        try ( SmbFile f = createTestDirectory() ) {
            try {
                SmbFile[] files = f.listFiles(new DosFileFilter("*.txt", 0));
                assertNotNull(files);
                assertEquals(0, files.length);

                files = f.listFiles();
                assertNotNull(files);
                assertEquals(0, files.length);
            }
            finally {
                f.delete();
            }

 * under the License.
 */
package org.apache.maven.internal.impl.resolver;

import javax.xml.stream.XMLStreamException;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.Map;