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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.juneau.httppart;
18  
19  /**
20   * Valid values for the <c>collectionFormat</c> field.
21   *
22   * <h5 class='section'>See Also:</h5><ul>
23   * 	<li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/HttpPartSerializersParsers">HTTP Part Serializers and Parsers</a>
24   * </ul>
25   */
26  public enum HttpPartCollectionFormat {
27  
28  	/**
29  	 * Comma-separated values (e.g. <js>"foo,bar"</js>).
30  	 */
31  	CSV,
32  
33  	/**
34  	 * Space-separated values (e.g. <js>"foo bar"</js>).
35  	 */
36  	SSV,
37  
38  	/**
39  	 * Tab-separated values (e.g. <js>"foo\tbar"</js>).
40  	 */
41  	TSV,
42  
43  	/**
44  	 * Pipe-separated values (e.g. <js>"foo|bar"</js>).
45  	 */
46  	PIPES,
47  
48  	/**
49  	 * Corresponds to multiple parameter instances instead of multiple values for a single instance (e.g. <js>"foo=bar&amp;foo=baz"</js>).
50  	 */
51  	MULTI,
52  
53  	/**
54  	 * UON collection notation (e.g. <js>"@(foo,bar)"</js>).
55  	 */
56  	UONC,
57  
58  	/**
59  	 * Not specified.
60  	 */
61  	NO_COLLECTION_FORMAT;
62  
63  	/**
64  	 * Create from lowercase string.
65  	 *
66  	 * @param value The enum name.
67  	 * @return The enum.
68  	 */
69  	public static HttpPartCollectionFormat fromString(String value) {
70  		if (value == null)
71  			return null;
72  		if (value.equalsIgnoreCase("UON"))
73  			return UONC;
74  		return valueOf(value.toUpperCase());
75  	}
76  
77  	@Override /* Overridden from Object */
78  	public String toString() {
79  		return name().toLowerCase();
80  	}
81  }