50 lines
1.8 KiB
Java
50 lines
1.8 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.util.Locale;
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public class JreVendor {
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static {
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/**
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* There are a few places where Tomcat either accesses JVM internals
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* (e.g. the memory leak protection) or where feature support varies
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* between JVMs (e.g. SPNEGO). These flags exist to enable Tomcat to
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* adjust its behaviour based on the vendor of the JVM. In an ideal
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* world this code would not exist.
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*/
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String vendor = System.getProperty("java.vendor", "");
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vendor = vendor.toLowerCase(Locale.ENGLISH);
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if (vendor.startsWith("oracle") || vendor.startsWith("sun")) {
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IS_ORACLE_JVM = true;
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IS_IBM_JVM = false;
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} else if (vendor.contains("ibm")) {
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IS_ORACLE_JVM = false;
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IS_IBM_JVM = true;
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} else {
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IS_ORACLE_JVM = false;
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IS_IBM_JVM = false;
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}
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}
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public static final boolean IS_ORACLE_JVM;
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public static final boolean IS_IBM_JVM;
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}
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