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
18 package org.apache.commons.fileupload2.core;
19
20 import java.util.Objects;
21 import java.util.function.Function;
22 import java.util.function.LongSupplier;
23
24 public abstract class AbstractRequestContext<T> implements RequestContext {
25
26 /**
27 * Supplies the content length default.
28 */
29 private final LongSupplier contentLengthDefault;
30
31 /**
32 * Supplies the content length string.
33 */
34 private final Function<String, String> contentLengthString;
35
36 /**
37 * The request.
38 */
39 private final T request;
40
41 /**
42 * Constructs a new instance.
43 *
44 * @param contentLengthString How to get the content length string.
45 * @param contentLengthDefault How to get the content length default.
46 * @param request The request.
47 */
48 protected AbstractRequestContext(final Function<String, String> contentLengthString, final LongSupplier contentLengthDefault, final T request) {
49 this.contentLengthString = Objects.requireNonNull(contentLengthString, "contentLengthString");
50 this.contentLengthDefault = Objects.requireNonNull(contentLengthDefault, "contentLengthDefault");
51 this.request = Objects.requireNonNull(request, "request");
52 }
53
54 /**
55 * Gets the content length of the request.
56 *
57 * @return The content length of the request.
58 */
59 @Override
60 public long getContentLength() {
61 try {
62 return Long.parseLong(contentLengthString.apply(AbstractFileUpload.CONTENT_LENGTH));
63 } catch (final NumberFormatException e) {
64 return contentLengthDefault.getAsLong();
65 }
66 }
67
68 public T getRequest() {
69 return request;
70 }
71
72 /**
73 * Returns a string representation of this object.
74 *
75 * @return a string representation of this object.
76 */
77 @Override
78 public String toString() {
79 return String.format("%s [ContentLength=%s, ContentType=%s]", getClass().getSimpleName(), getContentLength(), getContentType());
80 }
81
82 }