br.com.objectos.io.FsObject Maven / Gradle / Ivy

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/*
 * Copyright (C) 2011-2021 Objectos Software LTDA.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package br.com.objectos.io;

import br.com.objectos.lang.Lang;
import br.com.objectos.lang.ToStringObject;
import java.io.File;
import java.io.IOException;
import java.net.URI;

public abstract class FsObject implements ToStringObject {

  FsObject() {}

  public abstract  R acceptFsObjectVisitor(FsObjectVisitor visitor, P p)
      throws IOException;

  @Override
  public abstract boolean equals(Object obj);

  public abstract boolean exists();

  @Override
  public final void formatToString(StringBuilder sb, int depth) {
    Lang.formatToString(
        sb, depth, this,
        "", getPath()
    );
  }

  public final String getPath() {
    Object delegate;
    delegate = getDelegate();

    return delegate.toString();
  }

  @Override
  public final int hashCode() {
    Object delegate;
    delegate = getDelegate();

    return delegate.hashCode();
  }

  public boolean isDirectory() {
    return false;
  }

  public boolean isNotFound() {
    return false;
  }

  public boolean isRegularFile() {
    return false;
  }

  public abstract FsObject refresh();

  public Directory toDirectory() {
    throw new AssertionError(
        "Not a Directory instance. See isDirectory() method if necessary."
    );
  }

  public abstract File toFile();

  public NotFound toNotFound() {
    throw new AssertionError(
        "Not a NotFound instance. See isNotFound() method if necessary."
    );
  }

  public RegularFile toRegularFile() {
    throw new AssertionError(
        "Not a RegularFile instance. See isRegularFile() method if necessary."
    );
  }

  @Override
  public final String toString() {
    return Lang.toString(this);
  }

  public abstract URI toUri();

  abstract Object getDelegate();

}