package at.gv.egiz.eaaf.modules.pvp2.impl.opensaml;

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

import net.shibboleth.utilities.java.support.resource.Resource;

/**
 * Adapter that connects a Spring {@link org.springframework.core.io.Resource}
 * to a {@link Resource}.
 *
 * @author tlenz
 *
 */
public class OpenSaml3ResourceAdapter implements Resource {

  private final org.springframework.core.io.Resource internalResource;

  public OpenSaml3ResourceAdapter(org.springframework.core.io.Resource resource) {
    this.internalResource = resource;
  }

  @Override
  public boolean exists() {
    return internalResource.exists();
  }

  @Override
  public boolean isReadable() {
    return internalResource.isReadable();
  }

  @Override
  public boolean isOpen() {
    return internalResource.isOpen();
  }

  @Override
  public URL getURL() throws IOException {
    return internalResource.getURL();
  }

  @Override
  public URI getURI() throws IOException {
    return internalResource.getURI();
  }

  @Override
  public File getFile() throws IOException {
    return internalResource.getFile();
  }

  @Override
  public InputStream getInputStream() throws IOException {
    return internalResource.getInputStream();
  }

  @Override
  public long contentLength() throws IOException {
    return internalResource.contentLength();
  }

  @Override
  public long lastModified() throws IOException {
    return internalResource.lastModified();
  }

  @Override
  public Resource createRelativeResource(String relativePath) throws IOException {
    throw new IOException("This method is not supperted by this adapter");
  }

  @Override
  public String getFilename() {
    return internalResource.getFilename();
  }

  @Override
  public String getDescription() {
    return internalResource.getDescription();
  }

}