Source Code Cross Referenced for DefaultHttpParams.java in  » Net » Apache-common-HttpClient » org » apache » commons » httpclient » params » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Net » Apache common HttpClient » org.apache.commons.httpclient.params 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/params/DefaultHttpParams.java,v 1.9 2004/12/21 23:15:21 olegk Exp $
003:         * $Revision: 510589 $
004:         * $Date: 2007-02-22 18:04:52 +0100 (Thu, 22 Feb 2007) $
005:         *
006:         * ====================================================================
007:         *
008:         *  Licensed to the Apache Software Foundation (ASF) under one or more
009:         *  contributor license agreements.  See the NOTICE file distributed with
010:         *  this work for additional information regarding copyright ownership.
011:         *  The ASF licenses this file to You under the Apache License, Version 2.0
012:         *  (the "License"); you may not use this file except in compliance with
013:         *  the License.  You may obtain a copy of the License at
014:         *
015:         *      http://www.apache.org/licenses/LICENSE-2.0
016:         *
017:         *  Unless required by applicable law or agreed to in writing, software
018:         *  distributed under the License is distributed on an "AS IS" BASIS,
019:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
020:         *  See the License for the specific language governing permissions and
021:         *  limitations under the License.
022:         * ====================================================================
023:         *
024:         * This software consists of voluntary contributions made by many
025:         * individuals on behalf of the Apache Software Foundation.  For more
026:         * information on the Apache Software Foundation, please see
027:         * <http://www.apache.org/>.
028:         *
029:         */
030:
031:        package org.apache.commons.httpclient.params;
032:
033:        import java.io.Serializable;
034:        import java.util.HashMap;
035:
036:        import org.apache.commons.logging.Log;
037:        import org.apache.commons.logging.LogFactory;
038:
039:        /**
040:         * This class represents a collection of HTTP protocol parameters. Protocol parameters
041:         * may be linked together to form a hierarchy. If a particular parameter value has not been
042:         * explicitly defined in the collection itself, its value will be drawn from the parent 
043:         * collection of parameters.
044:         * 
045:         * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
046:         * 
047:         * @version $Revision: 510589 $
048:         * 
049:         * @since 3.0
050:         */
051:        public class DefaultHttpParams implements  HttpParams, Serializable,
052:                Cloneable {
053:
054:            /** Log object for this class. */
055:            private static final Log LOG = LogFactory
056:                    .getLog(DefaultHttpParams.class);
057:
058:            /** HttpParams class factory. */
059:            private static HttpParamsFactory httpParamsFactory = new DefaultHttpParamsFactory();
060:
061:            /**
062:             * Gets the default HttpParams to be used.
063:             * 
064:             * @return the value returned from <code>HttpParamsFactory#getDefaultParams()</code>
065:             * 
066:             * @see HttpParamsFactory#getDefaultParams()
067:             */
068:            public static HttpParams getDefaultParams() {
069:                return httpParamsFactory.getDefaultParams();
070:            }
071:
072:            /**
073:             * Sets the factory that will provide the default HttpParams.
074:             * 
075:             * @param httpParamsFactory an instance of HttpParamsFactory
076:             * 
077:             * @see #getDefaultParams()
078:             */
079:            public static void setHttpParamsFactory(
080:                    HttpParamsFactory httpParamsFactory) {
081:                if (httpParamsFactory == null) {
082:                    throw new IllegalArgumentException(
083:                            "httpParamsFactory may not be null");
084:                }
085:                DefaultHttpParams.httpParamsFactory = httpParamsFactory;
086:            }
087:
088:            /** The set of default values to defer to */
089:            private HttpParams defaults = null;
090:
091:            /** Hash map of HTTP parameters that this collection contains */
092:            private HashMap parameters = null;
093:
094:            /**
095:             * Creates a new collection of parameters with the given parent. 
096:             * The collection will defer to its parent for a default value 
097:             * if a particular parameter is not explicitly set in the collection
098:             * itself.
099:             * 
100:             * @param defaults the parent collection to defer to, if a parameter
101:             * is not explictly set in the collection itself.
102:             */
103:            public DefaultHttpParams(final HttpParams defaults) {
104:                super ();
105:                this .defaults = defaults;
106:            }
107:
108:            /**
109:             * Creates a new collection of parameters with the collection returned
110:             * by {@link #getDefaultParams()} as a parent. The collection will defer
111:             * to its parent for a default value if a particular parameter is not 
112:             * explicitly set in the collection itself.
113:             * 
114:             * @see #getDefaultParams()
115:             */
116:            public DefaultHttpParams() {
117:                this (getDefaultParams());
118:            }
119:
120:            public synchronized HttpParams getDefaults() {
121:                return this .defaults;
122:            }
123:
124:            public synchronized void setDefaults(final HttpParams params) {
125:                this .defaults = params;
126:            }
127:
128:            public synchronized Object getParameter(final String name) {
129:                // See if the parameter has been explicitly defined
130:                Object param = null;
131:                if (this .parameters != null) {
132:                    param = this .parameters.get(name);
133:                }
134:                if (param != null) {
135:                    // If so, return
136:                    return param;
137:                } else {
138:                    // If not, see if defaults are available
139:                    if (this .defaults != null) {
140:                        // Return default parameter value
141:                        return this .defaults.getParameter(name);
142:                    } else {
143:                        // Otherwise, return null
144:                        return null;
145:                    }
146:                }
147:            }
148:
149:            public synchronized void setParameter(final String name,
150:                    final Object value) {
151:                if (this .parameters == null) {
152:                    this .parameters = new HashMap();
153:                }
154:                this .parameters.put(name, value);
155:                if (LOG.isDebugEnabled()) {
156:                    LOG.debug("Set parameter " + name + " = " + value);
157:                }
158:            }
159:
160:            /**
161:             * Assigns the value to all the parameter with the given names
162:             * 
163:             * @param names array of parameter name
164:             * @param value parameter value
165:             */
166:            public synchronized void setParameters(final String[] names,
167:                    final Object value) {
168:                for (int i = 0; i < names.length; i++) {
169:                    setParameter(names[i], value);
170:                }
171:            }
172:
173:            public long getLongParameter(final String name, long defaultValue) {
174:                Object param = getParameter(name);
175:                if (param == null) {
176:                    return defaultValue;
177:                }
178:                return ((Long) param).longValue();
179:            }
180:
181:            public void setLongParameter(final String name, long value) {
182:                setParameter(name, new Long(value));
183:            }
184:
185:            public int getIntParameter(final String name, int defaultValue) {
186:                Object param = getParameter(name);
187:                if (param == null) {
188:                    return defaultValue;
189:                }
190:                return ((Integer) param).intValue();
191:            }
192:
193:            public void setIntParameter(final String name, int value) {
194:                setParameter(name, new Integer(value));
195:            }
196:
197:            public double getDoubleParameter(final String name,
198:                    double defaultValue) {
199:                Object param = getParameter(name);
200:                if (param == null) {
201:                    return defaultValue;
202:                }
203:                return ((Double) param).doubleValue();
204:            }
205:
206:            public void setDoubleParameter(final String name, double value) {
207:                setParameter(name, new Double(value));
208:            }
209:
210:            public boolean getBooleanParameter(final String name,
211:                    boolean defaultValue) {
212:                Object param = getParameter(name);
213:                if (param == null) {
214:                    return defaultValue;
215:                }
216:                return ((Boolean) param).booleanValue();
217:            }
218:
219:            public void setBooleanParameter(final String name, boolean value) {
220:                setParameter(name, value ? Boolean.TRUE : Boolean.FALSE);// Boolean.valueOf() = Java 1.4+
221:            }
222:
223:            public boolean isParameterSet(final String name) {
224:                return getParameter(name) != null;
225:            }
226:
227:            public boolean isParameterSetLocally(final String name) {
228:                return this .parameters != null
229:                        && this .parameters.get(name) != null;
230:            }
231:
232:            public boolean isParameterTrue(final String name) {
233:                return getBooleanParameter(name, false);
234:            }
235:
236:            public boolean isParameterFalse(final String name) {
237:                return !getBooleanParameter(name, false);
238:            }
239:
240:            /**
241:             * Removes all parameters from this collection. 
242:             */
243:            public void clear() {
244:                this .parameters = null;
245:            }
246:
247:            /**
248:             * Clones this collection of parameters. Please note that paramter values
249:             * themselves are not cloned. 
250:             * 
251:             * @see java.io.Serializable
252:             * @see java.lang.Object#clone()
253:             */
254:            public Object clone() throws CloneNotSupportedException {
255:                DefaultHttpParams clone = (DefaultHttpParams) super .clone();
256:                if (this .parameters != null) {
257:                    clone.parameters = (HashMap) this.parameters.clone();
258:                }
259:                clone.setDefaults(this.defaults);
260:                return clone;
261:            }
262:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.