NotAuthorizedErrorHandler.java

/*
 * The MIT License
 *
 * Copyright 2015 nikku.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package kickr.web;

import java.net.URI;
import javax.inject.Singleton;
import javax.ws.rs.NotAuthorizedException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;
import kickr.web.api.Paths;

/**
 *
 * @author nikku
 */
@Provider
@Singleton
public class NotAuthorizedErrorHandler implements ExceptionMapper<NotAuthorizedException> {

  @Context
  UriInfo uriInfo;

  @Override
  public Response toResponse(NotAuthorizedException exception) {
    URI uri = UriBuilder.fromUri(uriInfo.getPath(true) + uriInfo.relativize(uriInfo.getRequestUri()).toASCIIString()).build();

    URI build = uriInfo.getAbsolutePathBuilder().path(Paths.LOGIN_PATH).queryParam("redirectTo", "/" + uri.toString()).build();

    return Response.temporaryRedirect(uriInfo.relativize(build)).build();
  }
}