Source Code Cross Referenced for SystemPropertiesLoaderSupport.java in  » Testing » DDSteps » org » ddsteps » properties » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » DDSteps » org.ddsteps.properties 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* PropertiesLoaderSupport.java
002:         * 
003:         * DDSteps - Data Driven JUnit Test Steps
004:         * Copyright (C) 2005 Jayway AB
005:         * www.ddsteps.org
006:         * 
007:         * This library is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU Lesser General Public
009:         * License version 2.1 as published by the Free Software Foundation.
010:         * 
011:         * This library is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         * Lesser General Public License for more details.
015:         * 
016:         * You should have received a copy of the GNU Lesser General Public
017:         * License along with this library; if not, visit 
018:         * http://www.opensource.org/licenses/lgpl-license.php
019:         */
020:
021:        package org.ddsteps.properties;
022:
023:        import java.io.IOException;
024:        import java.util.Properties;
025:
026:        import org.springframework.beans.factory.InitializingBean;
027:        import org.springframework.core.io.support.PropertiesLoaderSupport;
028:
029:        /**
030:         * Uses the system properties as default (local) properties.
031:         * 
032:         * @author adam
033:         * @version $Id: PropertiesLoaderSupport.java,v 1.1 2005/12/03 12:51:41
034:         *          adamskogman Exp $
035:         */
036:        public class SystemPropertiesLoaderSupport extends
037:                PropertiesLoaderSupport implements  InitializingBean {
038:
039:            /**
040:             * The set of merged, cached properties.
041:             */
042:            protected Properties properties;
043:
044:            /**
045:             * Default constructor. Sets defaults.
046:             */
047:            public SystemPropertiesLoaderSupport() {
048:                super ();
049:            }
050:
051:            /**
052:             * Merges properties once.
053:             * 
054:             * @throws IOException
055:             *             If there were error loading the properties.
056:             * 
057:             * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
058:             */
059:            public void afterPropertiesSet() throws IOException {
060:
061:                // Set to system properties
062:                setProperties(getSystemProperties());
063:
064:                // Merge properties before we add the system props
065:                properties = mergeProperties();
066:
067:            }
068:
069:            /**
070:             * For testing purposes, isolate getting the system properties.
071:             * 
072:             * @return The System Properties
073:             */
074:            Properties getSystemProperties() {
075:                return System.getProperties();
076:            }
077:
078:            /**
079:             * Determine if properties are overridden by system properties, or if the
080:             * loaded (and local) properties override the system properties.
081:             * <p>
082:             * Default is that the loaded properties are overridden by system
083:             * properties.
084:             * 
085:             * @param systemPropertiesOverride
086:             *            True or false.
087:             */
088:            public void setSystemPropertiesOverride(
089:                    boolean systemPropertiesOverride) {
090:                setLocalOverride(systemPropertiesOverride);
091:            }
092:
093:            /**
094:             * Testing accessor.
095:             * 
096:             * @return Returns the properties.
097:             */
098:            Properties getProperties() {
099:                return properties;
100:            }
101:
102:        }
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