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* Copyright 2004 The Apache Software Foundation
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* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
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package org.apache.catalina.startup;
import org.apache.catalina.core.StandardServer;
import org.glassfish.logging.annotation.LogMessageInfo;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Utility class to read the bootstrap Catalina configuration.
*
* @author Remy Maucherat
* @version $Revision: 1.4 $ $Date: 2006/03/12 01:27:06 $
*/
public class CatalinaProperties {
// ----------------------------------------------------- Static Variables
private static final Logger log = StandardServer.log;
private static Properties properties = null;
static {
loadProperties();
}
@LogMessageInfo(
message = "Failed to load catalina.properties",
level = "WARNING"
)
public static final String FAILED_LOAD_CATALINA_PROPERTIES_EXCEPTION = "AS-WEB-CORE-00407";
// ------------------------------------------------------- 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);
} catch (Throwable t) {
error = t;
} finally {
try {
is.close();
} catch(Throwable t2) {
}
}
}
if ((is == null) || (error != null)) {
// Do something
log.log(Level.WARNING, FAILED_LOAD_CATALINA_PROPERTIES_EXCEPTION,
error);
// That's fine - we have reasonable defaults.
properties = new Properties();
}
// Register the properties as system properties
Enumeration enumeration = properties.propertyNames();
while (enumeration.hasMoreElements()) {
String name = (String) enumeration.nextElement();
String value = properties.getProperty(name);
if (value != null) {
System.setProperty(name, value);
}
}
}
/**
* 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");
}
}