org.apache.tomcat.util.compat.Jre22Compat Maven / Gradle / Ivy
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* 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 org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;
public class Jre22Compat extends Jre21Compat {
private static final Log log = LogFactory.getLog(Jre22Compat.class);
private static final StringManager sm = StringManager.getManager(Jre22Compat.class);
private static final boolean supported;
static {
// Note: FFM is the main new feature from Java 22, but it was previously
// present as a preview. As a result, it is more accurate to test for another
// new class
Class c1 = null;
try {
c1 = Class.forName("java.text.ListFormat");
} catch (ClassNotFoundException e) {
// Must be pre-Java 22
log.debug(sm.getString("jre22Compat.javaPre22"), e);
}
supported = (c1 != null);
}
static boolean isSupported() {
return supported;
}
}