package org.webslinger.vfs;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.FileOutputStream;

 import java.io.InputStream;

 import java.io.IOException;

 import java.io.OutputStream;

 import java.util.Collection;

 import org.webslinger.io.Charsets;

 import org.webslinger.io.IOUtil;

 public class FileVFSDelegate extends VFSDelegate<File, File, File> {

     public File getId(File file) {

         return file;

     }

     public Type getType(File file) {

         if (!file.exists()) return Type.IMAGINARY;

         return file.isDirectory() ? Type.DIRECTORY : Type.FILE;

     }

     public long getLastModifiedTime(File file) {

         return file.lastModified();

     }

     public Collection<Permission> getPermissions(File file) throws IOException {

         if (file.canRead()) {

             return file.canWrite() ? Permission.ALL_SET : Permission.READABLE_SET;

         } else {

             return file.canWrite() ? Permission.WRITEABLE_SET : Permission.NONE_SET;

         }

     }

     public String absolutePath(File file) throws IOException {

         return file.getAbsolutePath();

     }

     public String getBaseName(File file) throws IOException {

         return file.getName();

     }

     public File getParent(File file) throws IOException {

         return file.getParentFile();

     }

     public File resolve(File file, String name) throws IOException {

         return new File(file, name.replaceAll("/", File.separator));

     }

     public File[] getChildren(File file) throws IOException {

         return file.listFiles();

     }

     public boolean attributeExists(File file, String name) throws IOException {

         return false;

     }

     public Object getAttribute(File file, String name) throws IOException {

         return null;

     }

     public String getContentType(File file) throws IOException {

         return null;

     }

     public long getLength(File file) throws IOException {

         return file.length();

     }

     public String getString(File file) throws IOException {

         return IOUtil.readStringFromFile(file, Charsets.UTF8);

     }

     public InputStream openInput(File file) throws IOException {

         return new FileInputStream(file);

     }

     public OutputStream openOutput(File file, boolean append) throws IOException {

         return new FileOutputStream(file, append);

     }

 }