Source Code Cross Referenced for PropertySettings.java in  » Content-Management-System » apache-lenya-2.0 » org » apache » cocoon » util » 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 » Content Management System » apache lenya 2.0 » org.apache.cocoon.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */
017:        package org.apache.cocoon.util;
018:
019:        import org.apache.excalibur.source.SourceResolver;
020:        import org.apache.excalibur.source.Source;
021:        import org.apache.excalibur.source.TraversableSource;
022:        import org.apache.avalon.framework.logger.Logger;
023:
024:        import java.util.List;
025:        import java.util.ArrayList;
026:        import java.util.Properties;
027:        import java.util.Iterator;
028:        import java.util.Map;
029:        import java.util.Collections;
030:        import java.io.File;
031:        import java.io.FileInputStream;
032:        import java.io.IOException;
033:        import java.io.InputStream;
034:
035:        /**
036:         * This object holds the property settings for Cocoon. This interface is loosely based on the Settings interface
037:         * introduced in 2.2 but is note equivalent to it as it is only meant to hold configuration properties.
038:         *
039:         * @version $Id: PropertySettings.java 433543 2006-08-22 06:22:54Z crossley $
040:         */
041:        public class PropertySettings implements  Settings {
042:
043:            /** The list of properties used to configure Cocoon. */
044:            private Map properties = new java.util.HashMap();
045:
046:            /** Parameter map for the context protocol */
047:            protected static final Map CONTEXT_PARAMETERS = Collections
048:                    .singletonMap("force-traversable", Boolean.TRUE);
049:
050:            /**
051:             * Initialize the settings for Cocoon.
052:             * This method reads several property files and merges the result. If there
053:             * is more than one definition for a property, the last one wins.
054:             * The property files are read in the following order:
055:             * 1) context://WEB-INF/properties/*.properties
056:             *    Default values for the core and each block - the order in which the files are read is not guaranteed.
057:             * 2) context://WEB-INF/properties/[RUNNING_MODE]/*.properties
058:             *    Default values for the running mode - the order in which the files are read is not guaranteed.
059:             * 3) Property providers (ToBeDocumented)
060:             * 4) The environment (CLI, Servlet etc.) adds own properties (e.g. from web.xml)
061:             * 5) Additional property file specified by the "org.apache.cocoon.settings" system property or
062:             *    if the property is not found, the file ".cocoon/settings.properties" is tried to be read from
063:             *    the user directory.
064:             * 6) System properties
065:             *
066:             */
067:            public PropertySettings(SourceResolver resolver, Logger logger) {
068:
069:                // now read all properties from the properties directory
070:                readProperties("context://WEB-INF/properties", resolver);
071:
072:                // read additional properties file
073:
074:                String additionalPropertyFile = properties
075:                        .containsKey(Settings.PROPERTY_USER_SETTINGS) ? (String) properties
076:                        .get(Settings.PROPERTY_USER_SETTINGS)
077:                        : System.getProperty(Settings.PROPERTY_USER_SETTINGS);
078:
079:                // if there is no property defining the addition file, we try it in the home directory
080:                if (additionalPropertyFile == null) {
081:                    additionalPropertyFile = System.getProperty("user.home")
082:                            + File.separator + ".cocoon/settings.properties";
083:                    final File testFile = new File(additionalPropertyFile);
084:                    if (!testFile.exists()) {
085:                        additionalPropertyFile = null;
086:                    }
087:                }
088:                if (additionalPropertyFile != null) {
089:                    logger.debug("Reading user settings from '"
090:                            + additionalPropertyFile + "'");
091:                    final Properties p = new Properties();
092:                    try {
093:                        FileInputStream fis = new FileInputStream(
094:                                additionalPropertyFile);
095:                        p.load(fis);
096:                        fis.close();
097:                    } catch (IOException ignore) {
098:                        logger.warn("Unable to read '" + additionalPropertyFile
099:                                + "'.", ignore);
100:                        logger.warn("Continuing initialization.");
101:                    }
102:                    properties.putAll(p);
103:                }
104:                // now overwrite with system properties
105:                properties.putAll(System.getProperties());
106:
107:                if (logger.isDebugEnabled()) {
108:                    Iterator iter = properties.keySet().iterator();
109:                    logger.debug("Cocoon Properties:");
110:                    while (iter.hasNext()) {
111:                        String key = (String) iter.next();
112:                        logger.debug("Key: " + key + " Value: "
113:                                + properties.get(key));
114:                    }
115:                }
116:            }
117:
118:            /**
119:             * Read all property files from the given directory and apply them to the settings.
120:             */
121:            private void readProperties(String directoryName,
122:                    SourceResolver resolver) {
123:                Source directory = null;
124:                try {
125:                    directory = resolver.resolveURI(directoryName, null,
126:                            CONTEXT_PARAMETERS);
127:                    if (directory.exists()
128:                            && directory instanceof  TraversableSource) {
129:                        final Iterator c = ((TraversableSource) directory)
130:                                .getChildren().iterator();
131:                        while (c.hasNext()) {
132:                            final Source src = (Source) c.next();
133:                            if (src.getURI().endsWith(".properties")) {
134:                                Properties props = new Properties();
135:                                final InputStream propsIS = src
136:                                        .getInputStream();
137:                                props.load(propsIS);
138:                                propsIS.close();
139:                                properties.putAll(props);
140:                            }
141:                        }
142:                    }
143:                } catch (IOException ignore) {
144:
145:                } finally {
146:                    resolver.release(directory);
147:                }
148:            }
149:
150:            /**
151:             * @see org.apache.cocoon.util.Settings#getProperty(java.lang.String)
152:             */
153:            public String getProperty(String name) {
154:                return this .getProperty(name, null);
155:            }
156:
157:            /**
158:             * @see org.apache.cocoon.util.Settings#getProperty(java.lang.String, java.lang.String)
159:             */
160:            public String getProperty(String key, String defaultValue) {
161:                if (key == null) {
162:                    return defaultValue;
163:                }
164:                String value = (String) properties.get(key);
165:
166:                if (value == null) {
167:                    value = defaultValue;
168:                }
169:                return value;
170:            }
171:
172:            /**
173:             * @see org.apache.cocoon.util.Settings#getProperties(java.lang.String)
174:             */
175:            public List getProperties(String keyPrefix) {
176:                final List props = new ArrayList();
177:                final Iterator kI = this .properties.keySet().iterator();
178:                while (kI.hasNext()) {
179:                    final String name = (String) kI.next();
180:                    if (name.startsWith(keyPrefix) && !props.contains(name)) {
181:                        props.add(name);
182:                    }
183:                }
184:                return props;
185:            }
186:
187:            /**
188:             * @see org.apache.cocoon.util.Settings#getProperties()
189:             */
190:            public List getProperties() {
191:                final List props = new ArrayList();
192:                props.addAll(this .properties.keySet());
193:
194:                return props;
195:            }
196:
197:            public int size() {
198:                return this.properties.size();
199:            }
200:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.