com.coveo.nashorn_modules.FilesystemFolder Maven / Gradle / Ivy

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package com.coveo.nashorn_modules;

import org.apache.commons.io.IOUtils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class FilesystemFolder extends AbstractFolder {
  private File root;
  private String encoding = "UTF-8";

  private FilesystemFolder(File root, Folder parent, String path, String encoding) {
    super(parent, path);
    this.root = root;
    this.encoding = encoding;
  }

  @Override
  public String getFile(String name) {
    File file = new File(root, name);

    try {
      try (FileInputStream stream = new FileInputStream(file)) {
        return IOUtils.toString(stream, encoding);
      }
    } catch (FileNotFoundException ex) {
      return null;
    } catch (IOException ex) {
      return null;
    }
  }

  @Override
  public Folder getFolder(String name) {
    File folder = new File(root, name);
    if (!folder.exists()) {
      return null;
    }

    return new FilesystemFolder(folder, this, getPath() + name + "/", encoding);
  }

  public static FilesystemFolder create(File root, String encoding) {
    File absolute = root.getAbsoluteFile();
    return new FilesystemFolder(absolute, null, absolute.getPath() + "/", encoding);
  }
}