001    /**
002     * ===========================================
003     * LibLayout : a free Java layouting library
004     * ===========================================
005     *
006     * Project Info:  http://reporting.pentaho.org/liblayout/
007     *
008     * (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * $Id: LibLayoutBoot.java 3524 2007-10-16 11:26:31Z tmorgner $
027     * ------------
028     * (C) Copyright 2006-2007, by Pentaho Corporation.
029     */
030    
031    package org.jfree.layouting;
032    
033    import org.jfree.base.AbstractBoot;
034    import org.jfree.base.BootableProjectInfo;
035    import org.jfree.base.config.HierarchicalConfiguration;
036    import org.jfree.base.config.PropertyFileConfiguration;
037    import org.jfree.base.config.SystemPropertyConfiguration;
038    import org.jfree.base.modules.PackageManager;
039    import org.jfree.layouting.input.style.StyleKeyRegistry;
040    import org.jfree.util.Configuration;
041    
042    public class LibLayoutBoot extends AbstractBoot
043    {
044      private static LibLayoutBoot singleton;
045    
046      public static synchronized LibLayoutBoot getInstance()
047      {
048        if (singleton == null)
049        {
050          singleton = new LibLayoutBoot();
051        }
052        return singleton;
053      }
054    
055      private LibLayoutBoot ()
056      {
057      }
058    
059      /**
060       * Returns the project info.
061       *
062       * @return The project info.
063       */
064      protected BootableProjectInfo getProjectInfo ()
065      {
066        return LibLayoutInfo.getInstance();
067      }
068    
069      /**
070       * Loads the configuration.
071       *
072       * @return The configuration.
073       */
074      protected Configuration loadConfiguration ()
075      {
076        final HierarchicalConfiguration globalConfig = new HierarchicalConfiguration();
077    
078        final PropertyFileConfiguration rootProperty = new PropertyFileConfiguration();
079        rootProperty.load("/org/jfree/layouting/layout.properties");
080        globalConfig.insertConfiguration(rootProperty);
081        globalConfig.insertConfiguration(getPackageManager().getPackageConfiguration());
082    
083        final PropertyFileConfiguration baseProperty = new PropertyFileConfiguration();
084        baseProperty.load("/layout.properties");
085        globalConfig.insertConfiguration(baseProperty);
086    
087        final SystemPropertyConfiguration systemConfig = new SystemPropertyConfiguration();
088        globalConfig.insertConfiguration(systemConfig);
089        return globalConfig;
090      }
091    
092      /**
093       * Performs the boot.
094       */
095      protected void performBoot ()
096      {
097        StyleKeyRegistry.getRegistry().registerDefaults();
098    
099        final PackageManager mgr = getPackageManager();
100        mgr.addModule(LibLayoutCoreModule.class.getName());
101        mgr.load("org.jfree.layouting.modules.");
102        mgr.load("org.jfree.layouting.userdefined.modules.");
103        mgr.initializeModules();
104      }
105    
106      public static void main(final String[] args)
107      {
108        LibLayoutBoot.getInstance().start();
109      }
110    
111      public static boolean isAsserationEnabled()
112      {
113        return getInstance().getExtendedConfig().getBoolProperty
114            ("org.jfree.layouting.EnableAssertations");
115      }
116    }