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    1   /**
    2    * Copyright (c) 2004-2011 QOS.ch
    3    * All rights reserved.
    4    *
    5    * Permission is hereby granted, free  of charge, to any person obtaining
    6    * a  copy  of this  software  and  associated  documentation files  (the
    7    * "Software"), to  deal in  the Software without  restriction, including
    8    * without limitation  the rights to  use, copy, modify,  merge, publish,
    9    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    10   * permit persons to whom the Software  is furnished to do so, subject to
    11   * the following conditions:
    12   *
    13   * The  above  copyright  notice  and  this permission  notice  shall  be
    14   * included in all copies or substantial portions of the Software.
    15   *
    16   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    17   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    18   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    19   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    20   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    21   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    22   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    23   *
    24   */
    25  package org.slf4j.migrator;
    26
    27  import java.io.File;
    28  import java.util.ArrayList;
    29  import java.util.List;
    30
    31  import org.slf4j.migrator.internal.ProgressListener;
    32
    33  public class FileSelector {
    34
    35      private List<File> javaFileList = new ArrayList<File>();
    36
    37      ProgressListener pl;
    38
    39      FileSelector(ProgressListener pl) {
    40          this.pl = pl;
    41      }
    42
    43      public List<File> selectJavaFilesInFolder(File folder) {
    44          if (folder.isDirectory()) {
    45              selectFiles(folder);
    46              return javaFileList;
    47          } else {
    48              throw new IllegalArgumentException("[" + folder + "] is not a directory");
    49          }
    50      }
    51
    52      private void selectFiles(File file) {
    53          if (file.isDirectory()) {
    54              pl.onDirectory(file);
    55              File[] files = file.listFiles();
    56              if (files != null) {
    57                  for (int i = 0; i < files.length; i++) {
    58                      selectFiles(files[i]);
    59                  }
    60              }
    61          } else {
    62              if (file.getName().endsWith(".java")) {
    63                  pl.onFileAddition(file);
    64                  javaFileList.add(file);
    65              }
    66
    67          }
    68      }
    69  }