br.com.objectos.way.base.io.Url Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of way-base Show documentation
objectos way commons
The newest version!
/*
 * Copyright 2014 Objectos, Fábrica de 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.way.base.io;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.concurrent.TimeUnit;

import com.google.common.base.Preconditions;
import com.google.common.base.Stopwatch;

/**
 * @author [email protected] (Marcio Endo)
 */
public abstract class Url {

  private UrlLogger logger = UrlLoggerVoid.INSTANCE;

  private final String urlSpec;

  Url(String urlSpec) {
    this.urlSpec = urlSpec;
  }

  public static Url from(String urlSpec) {
    try {
      URL url = new URL(urlSpec);
      return new UrlValid(urlSpec, url);
    } catch (MalformedURLException e) {
      return new UrlInvalid(urlSpec, e);
    }
  }

  public Url logWith(UrlLogger logger) {
    this.logger = Preconditions.checkNotNull(logger);
    return this;
  }

  public abstract UrlTimeout timeoutAfter(long timeout, TimeUnit unit);

  public UrlTimeout timeoutAfterTenSeconds() {
    return timeoutAfter(10, TimeUnit.SECONDS);
  }

  public UrlTimeout timeoutAfterThirtySeconds() {
    return timeoutAfter(30, TimeUnit.SECONDS);
  }

  public UrlTimeout timeoutAfterOneMinute() {
    return timeoutAfter(1, TimeUnit.MINUTES);
  }

  public UrlTimeout timeoutAfterThreeMinutes() {
    return timeoutAfter(3, TimeUnit.MINUTES);
  }

  abstract UrlStream toUrlStream();

  abstract void logException();

  void onStart() {
    logger.onStart(urlSpec);
  }

  void onError(Exception e) {
    logger.onError(e);
  }

  void onTimeout(long timeout, TimeUnit unit) {
    logger.onTimeout(timeout, unit);
  }

  void onSuccess(DataFile file) {
    logger.onSuccess(file);
  }

  void onFinish(Stopwatch stopwatch) {
    logger.onFinish(stopwatch);
  }

}