1/*
2 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/params/AbstractHttpParams.java $
3 * $Revision: 542224 $
4 * $Date: 2007-05-28 06:34:04 -0700 (Mon, 28 May 2007) $
5 *
6 * ====================================================================
7 * Licensed to the Apache Software Foundation (ASF) under one
8 * or more contributor license agreements.  See the NOTICE file
9 * distributed with this work for additional information
10 * regarding copyright ownership.  The ASF licenses this file
11 * to you under the Apache License, Version 2.0 (the
12 * "License"); you may not use this file except in compliance
13 * with the License.  You may obtain a copy of the License at
14 *
15 *   http://www.apache.org/licenses/LICENSE-2.0
16 *
17 * Unless required by applicable law or agreed to in writing,
18 * software distributed under the License is distributed on an
19 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20 * KIND, either express or implied.  See the License for the
21 * specific language governing permissions and limitations
22 * under the License.
23 * ====================================================================
24 *
25 * This software consists of voluntary contributions made by many
26 * individuals on behalf of the Apache Software Foundation.  For more
27 * information on the Apache Software Foundation, please see
28 * <http://www.apache.org/>.
29 *
30 */
31
32package org.apache.http.params;
33
34import org.apache.http.params.HttpParams;
35
36
37/**
38 * Abstract base class for parameter collections.
39 * Type specific setters and getters are mapped to the abstract,
40 * generic getters and setters.
41 *
42 * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
43 * @author <a href="mailto:rolandw at apache.org">Roland Weber</a>
44 *
45 * @version $Revision: 542224 $
46 */
47public abstract class AbstractHttpParams implements HttpParams {
48
49    /**
50     * Instantiates parameters.
51     */
52    protected AbstractHttpParams() {
53        super();
54    }
55
56    public long getLongParameter(final String name, long defaultValue) {
57        Object param = getParameter(name);
58        if (param == null) {
59            return defaultValue;
60        }
61        return ((Long)param).longValue();
62    }
63
64    public HttpParams setLongParameter(final String name, long value) {
65        setParameter(name, new Long(value));
66        return this;
67    }
68
69    public int getIntParameter(final String name, int defaultValue) {
70        Object param = getParameter(name);
71        if (param == null) {
72            return defaultValue;
73        }
74        return ((Integer)param).intValue();
75    }
76
77    public HttpParams setIntParameter(final String name, int value) {
78        setParameter(name, new Integer(value));
79        return this;
80    }
81
82    public double getDoubleParameter(final String name, double defaultValue) {
83        Object param = getParameter(name);
84        if (param == null) {
85            return defaultValue;
86        }
87        return ((Double)param).doubleValue();
88    }
89
90    public HttpParams setDoubleParameter(final String name, double value) {
91        setParameter(name, new Double(value));
92        return this;
93    }
94
95    public boolean getBooleanParameter(final String name, boolean defaultValue) {
96        Object param = getParameter(name);
97        if (param == null) {
98            return defaultValue;
99        }
100        return ((Boolean)param).booleanValue();
101    }
102
103    public HttpParams setBooleanParameter(final String name, boolean value) {
104        setParameter(name, value ? Boolean.TRUE : Boolean.FALSE);
105        return this;
106    }
107
108    public boolean isParameterTrue(final String name) {
109        return getBooleanParameter(name, false);
110    }
111
112    public boolean isParameterFalse(final String name) {
113        return !getBooleanParameter(name, false);
114    }
115
116} // class AbstractHttpParams
117