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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 java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.ProtocolFamily;
import java.net.SocketAddress;
import java.net.StandardProtocolFamily;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;
class Jre16Compat extends Jre12Compat {
private static final Log log = LogFactory.getLog(Jre16Compat.class);
private static final StringManager sm = StringManager.getManager(Jre16Compat.class);
private static final Class<?> unixDomainSocketAddressClazz;
private static final Method openServerSocketChannelFamilyMethod;
private static final Method unixDomainSocketAddressOfMethod;
private static final Method openSocketChannelFamilyMethod;
static {
Class<?> c1 = null;
Method m1 = null;
Method m2 = null;
Method m3 = null;
try {
c1 = Class.forName("java.net.UnixDomainSocketAddress");
m1 = ServerSocketChannel.class.getMethod("open", ProtocolFamily.class);
m2 = c1.getMethod("of", String.class);
m3 = SocketChannel.class.getMethod("open", ProtocolFamily.class);
} catch (ClassNotFoundException e) {
// Must be pre-Java 16
log.debug(sm.getString("jre16Compat.javaPre16"), e);
} catch (ReflectiveOperationException | IllegalArgumentException e) {
// Should never happen
log.error(sm.getString("jre16Compat.unexpected"), e);
}
unixDomainSocketAddressClazz = c1;
openServerSocketChannelFamilyMethod = m1;
unixDomainSocketAddressOfMethod = m2;
openSocketChannelFamilyMethod = m3;
}
static boolean isSupported() {
return unixDomainSocketAddressClazz != null;
}
@Override
public SocketAddress getUnixDomainSocketAddress(String path) {
try {
return (SocketAddress) unixDomainSocketAddressOfMethod.invoke(null, path);
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
throw new UnsupportedOperationException(e);
}
}
@Override
public ServerSocketChannel openUnixDomainServerSocketChannel() {
try {
return (ServerSocketChannel) openServerSocketChannelFamilyMethod.invoke(null,
StandardProtocolFamily.valueOf("UNIX"));
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
throw new UnsupportedOperationException(e);
}
}
@Override
public SocketChannel openUnixDomainSocketChannel() {
try {
return (SocketChannel) openSocketChannelFamilyMethod.invoke(null, StandardProtocolFamily.valueOf("UNIX"));
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
throw new UnsupportedOperationException(e);
}
}
}
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