JreVendor.java
- /*
- * 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;
- }