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objectos assertion library
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/*
 * Copyright 2015 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.testing;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.List;

import com.google.common.base.Charsets;
import com.google.common.base.Throwables;
import com.google.common.io.Resources;

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

  private TestResources() {
  }

  public static File getFile(String resourceName) {
    try {
      URL url = getUrl(resourceName);
      URI uri = url.toURI();
      return new File(uri);
    } catch (URISyntaxException e) {
      throw Throwables.propagate(e);
    }
  }

  public static InputStream openStream(String resourceName) {
    try {
      URL url = getUrl(resourceName);
      return Resources.asByteSource(url).openStream();
    } catch (IOException e) {
      throw Throwables.propagate(e);
    }
  }

  public static List readLines(String resourceName) {
    return readLines(resourceName, Charsets.UTF_8);
  }

  public static List readLines(String resourceName, Charset charset) {
    try {
      URL url = getUrl(resourceName);
      return Resources.readLines(url, charset);
    } catch (IOException e) {
      throw Throwables.propagate(e);
    }
  }

  public static String toString(String resourceName) {
    return toString(resourceName, Charsets.UTF_8);
  }

  public static String toString(String resourceName, Charset charset) {
    try {
      URL url = getUrl(resourceName);
      return Resources.toString(url, charset);
    } catch (IOException e) {
      throw Throwables.propagate(e);
    }
  }

  private static URL getUrl(String resourceName) {
    return Resources.getResource(TestResources.class, resourceName);
  }

}