FileInfoHelper.java

package com.wilutions.jsfs;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Date;

import javax.swing.Icon;
import javax.swing.ImageIcon;

/**
 * Utility class.
 *
 */
public class FileInfoHelper {
  
  /**
   * Create a FileInfo object.
   * @param file File object
   * @return FileInfo object
   */
  public static FileInfo makeFileInfo(File file) {
    FileInfo fi = new FileInfo();
    fi.setName(file.getAbsolutePath());
    fi.setSizeL(file.length());
    fi.setSize(fi.getSizeL() > 0x7FFFFFFF ? -1 : (int) fi.getSizeL());
    fi.setDirectory(file.isDirectory());
    fi.setReadonly(!file.canWrite());
    //fi.setHidden(file.isHidden());
    fi.setLastModified(new Date(file.lastModified()));
    fi.setIcon(IconCache.getPngIcon(file));
    return fi;
  }

  /**
   * Make valid path.
   * @param path File system path that might contain environment variables.
   * @return File system path with replaced variables.
   */
  public static String makeValidPath(String path) {
    
    path = replaceKnownFolderIds(path);

    int p = path.indexOf('%');
    while (p >= 0) {
      
      int e = path.indexOf('%', p + 1);
      String variableName = path.substring(p + 1, e);
      String variableValue = System.getenv(variableName);
      if (variableValue == null) variableValue = "";
      path = path.replace(path.substring(p, e + 1), variableValue);
      
      p = path.indexOf('%');
    }

    return path;
  }

  public static String replaceKnownFolderIds(String path) {
    if (path.indexOf(FileSystemServiceC.FOLDERID_Documents) >= 0) path = path.replace(FileSystemServiceC.FOLDERID_Documents, getFolderDocuments());
    return path;
  }
  
  private static String getFolderDocuments() {
    String r = System.getProperty("user.home");
    File f = new File(r, "Documents");
    r = f.getAbsolutePath();
    return r;
  }
}