/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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 org.keycloak.services.util;
import javax.ws.rs.core.UriBuilder;
import java.net.URI;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class ResolveRelative {
public static String resolveRelativeUri(URI requestUri, String rootUrl, String url) {
if (url == null || !url.startsWith("/")) return url;
if (rootUrl != null) {
return rootUrl + url;
} else {
UriBuilder builder = UriBuilder.fromPath(url).host(requestUri.getHost());
builder.scheme(requestUri.getScheme());
if (requestUri.getPort() != -1) {
builder.port(requestUri.getPort());
}
return builder.build().toString();
}
}
}