View Javadoc
1   /*
2    * Copyright 2015 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.handler.codec.http;
17  
18  import java.net.URI;
19  
20  /**
21   * Utility methods useful in the HTTP context.
22   */
23  public final class HttpUtil {
24      private HttpUtil() { }
25  
26      /**
27       * Determine if a uri is in origin-form according to
28       * <a href="https://tools.ietf.org/html/rfc7230#section-5.3">rfc7230, 5.3</a>.
29       */
30      public static boolean isOriginForm(URI uri) {
31          return uri.getScheme() == null && uri.getSchemeSpecificPart() == null &&
32                 uri.getHost() == null && uri.getAuthority() == null;
33      }
34  
35      /**
36       * Determine if a uri is in asterisk-form according to
37       * <a href="https://tools.ietf.org/html/rfc7230#section-5.3">rfc7230, 5.3</a>.
38       */
39      public static boolean isAsteriskForm(URI uri) {
40          return "*".equals(uri.getPath()) &&
41                  uri.getScheme() == null && uri.getSchemeSpecificPart() == null &&
42                  uri.getHost() == null && uri.getAuthority() == null && uri.getQuery() == null &&
43                  uri.getFragment() == null;
44      }
45  }