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java/org/apache/tomcat/util/compat/Jre8Compat.java

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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.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.net.URI;
+import java.security.KeyStore.LoadStoreParameter;
+import java.util.Collections;
+import java.util.Map;
+
+import javax.net.ssl.SSLParameters;
+
+import org.apache.juli.logging.Log;
+import org.apache.juli.logging.LogFactory;
+import org.apache.tomcat.util.res.StringManager;
+
+class Jre8Compat extends JreCompat {
+
+    private static final Log log = LogFactory.getLog(Jre8Compat.class);
+    private static final StringManager sm = StringManager.getManager(Jre8Compat.class);
+
+    private static final int RUNTIME_MAJOR_VERSION = 8;
+
+    private static final Method setUseCipherSuitesOrderMethod;
+    private static final Constructor<?> domainLoadStoreParameterConstructor;
+
+
+    static {
+        Method m1 = null;
+        Constructor<?> c2 = null;
+        try {
+            // Order is important for the error handling below.
+            // Must look up m1 first.
+
+            // The class is Java6+...
+            Class<?> clazz1 = Class.forName("javax.net.ssl.SSLParameters");
+            // ...but this method is Java8+
+            m1 = clazz1.getMethod("setUseCipherSuitesOrder", boolean.class);
+            Class<?> clazz2 = Class.forName("java.security.DomainLoadStoreParameter");
+            c2 = clazz2.getConstructor(URI.class, Map.class);
+        } catch (SecurityException e) {
+            // Should never happen
+            log.error(sm.getString("jre8Compat.unexpected"), e);
+        } catch (NoSuchMethodException e) {
+            if (m1 == null) {
+                // Must be pre-Java 8
+                log.debug(sm.getString("jre8Compat.javaPre8"), e);
+            } else {
+                // Should never happen - signature error in lookup?
+                log.error(sm.getString("jre8Compat.unexpected"), e);
+            }
+        } catch (ClassNotFoundException e) {
+            // Should never happen
+            log.error(sm.getString("jre8Compat.unexpected"), e);
+        }
+        setUseCipherSuitesOrderMethod = m1;
+        domainLoadStoreParameterConstructor = c2;
+    }
+
+
+    static boolean isSupported() {
+        return setUseCipherSuitesOrderMethod != null;
+    }
+
+
+    @Override
+    public void setUseServerCipherSuitesOrder(SSLParameters sslParameters,
+            boolean useCipherSuitesOrder) {
+        try {
+            setUseCipherSuitesOrderMethod.invoke(sslParameters,
+                    Boolean.valueOf(useCipherSuitesOrder));
+        } catch (IllegalArgumentException e) {
+            throw new UnsupportedOperationException(e);
+        } catch (IllegalAccessException e) {
+            throw new UnsupportedOperationException(e);
+        } catch (InvocationTargetException e) {
+            throw new UnsupportedOperationException(e);
+        }
+    }
+
+
+    @Override
+    public LoadStoreParameter getDomainLoadStoreParameter(URI uri) {
+        try {
+            return (LoadStoreParameter) domainLoadStoreParameterConstructor.newInstance(
+                    uri, Collections.EMPTY_MAP);
+        } catch (InstantiationException | IllegalAccessException | IllegalArgumentException |
+                InvocationTargetException e) {
+            throw new UnsupportedOperationException(e);
+        }
+    }
+
+
+    @Override
+    public int jarFileRuntimeMajorVersion() {
+        return RUNTIME_MAJOR_VERSION;
+    }
+}