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comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/params/HttpParams.java

mobile/android/thirdparty/ch/boye/httpclientandroidlib/params/HttpParams.java

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1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package ch.boye.httpclientandroidlib.params;
29
30 /**
31 * HttpParams interface represents a collection of immutable values that define
32 * a runtime behavior of a component. HTTP parameters should be simple objects:
33 * integers, doubles, strings, collections and objects that remain immutable
34 * at runtime. HttpParams is expected to be used in 'write once - read many' mode.
35 * Once initialized, HTTP parameters are not expected to mutate in
36 * the course of HTTP message processing.
37 * <p>
38 * The purpose of this interface is to define a behavior of other components.
39 * Usually each complex component has its own HTTP parameter collection.
40 * <p>
41 * Instances of this interface can be linked together to form a hierarchy.
42 * In the simplest form one set of parameters can use content of another one
43 * to obtain default values of parameters not present in the local set.
44 *
45 * @see DefaultedHttpParams
46 *
47 * @since 4.0
48 */
49 public interface HttpParams {
50
51 /**
52 * Obtains the value of the given parameter.
53 *
54 * @param name the parent name.
55 *
56 * @return an object that represents the value of the parameter,
57 * <code>null</code> if the parameter is not set or if it
58 * is explicitly set to <code>null</code>
59 *
60 * @see #setParameter(String, Object)
61 */
62 Object getParameter(String name);
63
64 /**
65 * Assigns the value to the parameter with the given name.
66 *
67 * @param name parameter name
68 * @param value parameter value
69 */
70 HttpParams setParameter(String name, Object value);
71
72 /**
73 * Creates a copy of these parameters.
74 *
75 * @return a new set of parameters holding the same values as this one
76 *
77 * @deprecated
78 */
79 HttpParams copy();
80
81 /**
82 * Removes the parameter with the specified name.
83 *
84 * @param name parameter name
85 *
86 * @return true if the parameter existed and has been removed, false else.
87 */
88 boolean removeParameter(String name);
89
90 /**
91 * Returns a {@link Long} parameter value with the given name.
92 * If the parameter is not explicitly set, the default value is returned.
93 *
94 * @param name the parent name.
95 * @param defaultValue the default value.
96 *
97 * @return a {@link Long} that represents the value of the parameter.
98 *
99 * @see #setLongParameter(String, long)
100 */
101 long getLongParameter(String name, long defaultValue);
102
103 /**
104 * Assigns a {@link Long} to the parameter with the given name
105 *
106 * @param name parameter name
107 * @param value parameter value
108 */
109 HttpParams setLongParameter(String name, long value);
110
111 /**
112 * Returns an {@link Integer} parameter value with the given name.
113 * If the parameter is not explicitly set, the default value is returned.
114 *
115 * @param name the parent name.
116 * @param defaultValue the default value.
117 *
118 * @return a {@link Integer} that represents the value of the parameter.
119 *
120 * @see #setIntParameter(String, int)
121 */
122 int getIntParameter(String name, int defaultValue);
123
124 /**
125 * Assigns an {@link Integer} to the parameter with the given name
126 *
127 * @param name parameter name
128 * @param value parameter value
129 */
130 HttpParams setIntParameter(String name, int value);
131
132 /**
133 * Returns a {@link Double} parameter value with the given name.
134 * If the parameter is not explicitly set, the default value is returned.
135 *
136 * @param name the parent name.
137 * @param defaultValue the default value.
138 *
139 * @return a {@link Double} that represents the value of the parameter.
140 *
141 * @see #setDoubleParameter(String, double)
142 */
143 double getDoubleParameter(String name, double defaultValue);
144
145 /**
146 * Assigns a {@link Double} to the parameter with the given name
147 *
148 * @param name parameter name
149 * @param value parameter value
150 */
151 HttpParams setDoubleParameter(String name, double value);
152
153 /**
154 * Returns a {@link Boolean} parameter value with the given name.
155 * If the parameter is not explicitly set, the default value is returned.
156 *
157 * @param name the parent name.
158 * @param defaultValue the default value.
159 *
160 * @return a {@link Boolean} that represents the value of the parameter.
161 *
162 * @see #setBooleanParameter(String, boolean)
163 */
164 boolean getBooleanParameter(String name, boolean defaultValue);
165
166 /**
167 * Assigns a {@link Boolean} to the parameter with the given name
168 *
169 * @param name parameter name
170 * @param value parameter value
171 */
172 HttpParams setBooleanParameter(String name, boolean value);
173
174 /**
175 * Checks if a boolean parameter is set to <code>true</code>.
176 *
177 * @param name parameter name
178 *
179 * @return <tt>true</tt> if the parameter is set to value <tt>true</tt>,
180 * <tt>false</tt> if it is not set or set to <code>false</code>
181 */
182 boolean isParameterTrue(String name);
183
184 /**
185 * Checks if a boolean parameter is not set or <code>false</code>.
186 *
187 * @param name parameter name
188 *
189 * @return <tt>true</tt> if the parameter is either not set or
190 * set to value <tt>false</tt>,
191 * <tt>false</tt> if it is set to <code>true</code>
192 */
193 boolean isParameterFalse(String name);
194
195 }

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