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Cobertura example source code file (ConfigurationUtil.java)

This example Cobertura source code file (ConfigurationUtil.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Cobertura tags/keywords

configurationutil, debug, debug, inputstream, io, ioexception, net, network, properties, resource, resource, string, string, unable, url, using, using, util

The Cobertura ConfigurationUtil.java source code

/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * Copyright (C) 2007 Joakim Erdfelt
 *
 * Cobertura is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * Cobertura is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package net.sourceforge.cobertura.util;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;

/**
 * A Utility Class to load the configuration.
 * 
 * Checks for values using the following hierarchy.
 * 1) System Property matching key.
 * 2) cobertura.properties Resource Property matching key.
 * 3) hardcoded default value
 * 
 * @author Joakim Erdfelt
 */
public class ConfigurationUtil
{
    public static final String RESOURCE = "/cobertura.properties";

    private Properties props;

    public ConfigurationUtil()
    {
        init();
    }

    public void init()
    {
        props = new Properties();

        URL url = this.getClass().getResource( RESOURCE );
        if ( url == null )
        {
            DEBUG( "Unable to find configuration resource in classpath of name " + RESOURCE + ", using empty configuration." );
            return;
        }

        InputStream is = null;
        try
        {
            is = url.openStream();
            props.load( is );
        }
        catch ( IOException e )
        {
            System.err.println( "ERROR: Unable to load configuration resource " + RESOURCE + " - " + e.getMessage() );
        }
        finally
        {
            IOUtil.closeInputStream( is );
        }
    }

    public String getProperty( String key, String defvalue )
    {
        String value = System.getProperty( key );
        if ( value != null )
        {
            DEBUG("Using system property value [" + value + "] for key [" + key + "]");
            return value;
        }

        value = props.getProperty( key );
        if ( value != null )
        {
            DEBUG("Using cobertura.properties value [" + value + "] for key [" + key + "]");
            return value;
        }

        DEBUG("Using default value [" + defvalue + "] for key [" + key + "]");
        return defvalue;
    }

    public String getDatafile()
    {
        return getProperty( "net.sourceforge.cobertura.datafile", "cobertura.ser" );
    }
    
    /**
     * Poor mans debugging.
     * Intentionally didn't use log4j, as we dont want to introduce that dependency on instrumented files.
     */
    private void DEBUG(String msg)
    {
        if(false)
        {
            System.out.println("[Cobertura:ConfigurationUtil] " + msg);
        }
    }
}

Other Cobertura examples (source code examples)

Here is a short list of links related to this Cobertura ConfigurationUtil.java source code file:

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