60 lines
2.1 KiB
Java
60 lines
2.1 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.tomcat.util.compat;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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public class JrePlatform {
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private static final String OS_NAME_PROPERTY = "os.name";
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private static final String OS_NAME_WINDOWS_PREFIX = "Windows";
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static {
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/*
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* There are a few places where a) the behaviour of the Java API depends
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* on the underlying platform and b) those behavioural differences have
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* an impact on Tomcat.
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*
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* Tomcat therefore needs to be able to determine the platform it is
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* running on to account for those differences.
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*
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* In an ideal world this code would not exist.
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*/
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// This check is derived from the check in Apache Commons Lang
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String osName;
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if (System.getSecurityManager() == null) {
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osName = System.getProperty(OS_NAME_PROPERTY);
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} else {
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osName = AccessController.doPrivileged(
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new PrivilegedAction<String>() {
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@Override
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public String run() {
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return System.getProperty(OS_NAME_PROPERTY);
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}
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});
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}
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IS_WINDOWS = osName.startsWith(OS_NAME_WINDOWS_PREFIX);
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}
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public static final boolean IS_WINDOWS;
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}
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