br.com.objectos.way.etc.Resource Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of way-etc Show documentation
objectos way ETC
The newest version!
/*
 * Resource.java criado em 04/01/2014
 * 
 * Propriedade de Objectos Fábrica de Software LTDA.
 * Reprodução parcial ou total proibida.
 */
package br.com.objectos.way.etc;

import java.io.File;
import java.io.IOException;
import java.net.URL;

import br.com.objectos.way.core.io.Directory;

import com.google.common.base.Objects;
import com.google.common.io.ByteSource;
import com.google.common.io.Files;
import com.google.common.io.Resources;

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

  private final String name;

  private final String path;

  private final String dest;

  private Resource(String name, String path, String dest) {
    this.name = name;
    this.path = path;
    this.dest = dest;
  }

  private Resource(Resource temp, String dest) {
    this.name = temp.name;
    this.path = temp.path;
    this.dest = dest;
  }

  public static Resource add(String dir, String name) {
    name = name.startsWith("/") ? name : "/" + name;
    String path = dir + name;
    path = path.replaceFirst("//", "/");
    return new Resource(name, path, name);
  }

  public static Resource map(String dir, String source, String dest) {
    Resource temp = add(dir, source);
    return new Resource(temp, dest);
  }

  public String getName() {
    return name;
  }

  public ByteSource open(Class contextClass) {
    URL url = Resources.getResource(contextClass, path);
    return Resources.asByteSource(url);
  }

  public File targetFile(Directory targetDir) throws IOException {
    File file = targetDir.fileAt(dest);
    Files.createParentDirs(file);
    return file;
  }

  @Override
  public final int hashCode() {
    return name.hashCode();
  }

  @Override
  public final boolean equals(final Object obj) {
    if (obj == this) {
      return true;
    }
    final Resource that = (Resource) obj;
    return Objects.equal(this.name, that.name);
  }

}