/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tomcat.util.compat;
import java.util.Locale;
public class JreVendor {
static {
/*
* There are a few places where Tomcat either accesses JVM internals (e.g. the memory leak protection) or where
* feature support varies between JVMs (e.g. SPNEGO). These flags exist to enable Tomcat to adjust its behaviour
* based on the vendor of the JVM. In an ideal world this code would not exist.
*/
String vendor = System.getProperty("java.vendor", "");
vendor = vendor.toLowerCase(Locale.ENGLISH);
if (vendor.startsWith("oracle") || vendor.startsWith("sun")) {
IS_ORACLE_JVM = true;
IS_IBM_JVM = false;
} else if (vendor.contains("ibm")) {
IS_ORACLE_JVM = false;
IS_IBM_JVM = true;
} else {
IS_ORACLE_JVM = false;
IS_IBM_JVM = false;
}
}
public static final boolean IS_ORACLE_JVM;
public static final boolean IS_IBM_JVM;
}