org.xhtmlrenderer.util.SystemPropertiesUtil Maven / Gradle / Ivy
/*
* {{{ header & license
* Copyright (c) 2008 Patrick Wright
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}}
*/
package org.xhtmlrenderer.util;
/**
* Utility methods for working with System properties.
*/
public class SystemPropertiesUtil {
/**
* Attempts to retrieve a system property; if the property is not found, or if a SecurityException is thrown (for
* example, in a sandbox environment) will return the default value. Will swallow stack traces and any
* SecurityExceptions, and will not log any output to the console.
*
* @param propertyName property to retrieve
* @param defaultVal value to use if not found, or not allowed to use the property
* @return
*/
public static String getPropertyOrDefaultSandbox(String propertyName, String defaultVal) {
String val = defaultVal;
try {
val = System.getProperty(propertyName);
} catch (SecurityException e) {
// can happen in sandbox
}
return val;
}
}