/*
* $Header: /home/cvs/jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/startup/CatalinaProperties.java,v 1.3 2003/09/26 19:31:16 luehe Exp $
* $Revision: 1.3 $
* $Date: 2003/09/26 19:31:16 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
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* ====================================================================
*
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* individuals on behalf of the Apache Software Foundation. For more
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*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.catalina.startup;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;
/**
* Utility class to read the bootstrap Catalina configuration.
*
* @author Remy Maucherat
* @version $Revision: 1.3 $ $Date: 2003/09/26 19:31:16 $
*/
public class CatalinaProperties {
// ------------------------------------------------------- Static Variables
private static Properties properties = null;
static {
loadProperties();
}
// --------------------------------------------------------- Public Methods
/**
* Return specified property value.
*/
public static String getProperty(String name) {
return properties.getProperty(name);
}
/**
* Return specified property value.
*/
public static String getProperty(String name, String defaultValue) {
return properties.getProperty(name, defaultValue);
}
// --------------------------------------------------------- Public Methods
/**
* Load properties.
*/
private static void loadProperties() {
InputStream is = null;
Throwable error = null;
try {
String configUrl = getConfigUrl();
if (configUrl != null) {
is = (new URL(configUrl)).openStream();
}
} catch (Throwable t) {
// Ignore
}
if (is == null) {
try {
File home = new File(getCatalinaHome());
File conf = new File(home, "conf");
File properties = new File(conf, "catalina.properties");
is = new FileInputStream(properties);
} catch (Throwable t) {
// Ignore
}
}
if (is == null) {
try {
is = CatalinaProperties.class.getResourceAsStream
("/org/apache/catalina/startup/catalina.properties");
} catch (Throwable t) {
// Ignore
}
}
if (is != null) {
try {
properties = new Properties();
properties.load(is);
is.close();
} catch (Throwable t) {
error = t;
}
}
if ((is == null) || (error != null)) {
// Do something
System.out.println("Error");
}
}
/**
* Get the value of the catalina.home environment variable.
*/
private static String getCatalinaHome() {
return System.getProperty("catalina.home",
System.getProperty("user.dir"));
}
/**
* Get the value of the configuration URL.
*/
private static String getConfigUrl() {
return System.getProperty("catalina.config");
}
}