src/java.corba/share/classes/com/sun/corba/se/impl/ior/IORTypeCheckRegistryImpl.java
changeset 48554 592e22777742
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.corba/share/classes/com/sun/corba/se/impl/ior/IORTypeCheckRegistryImpl.java	Sun Sep 03 16:08:13 2017 +0100
@@ -0,0 +1,179 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.corba.se.impl.ior;
+
+import java.util.Set;
+
+import com.sun.corba.se.impl.orbutil.ORBUtility;
+import com.sun.corba.se.spi.ior.IORTypeCheckRegistry;
+import com.sun.corba.se.spi.orb.ORB;
+
+public class IORTypeCheckRegistryImpl implements IORTypeCheckRegistry {
+
+    private final Set<String> iorTypeNames;
+    private static final Set<String> builtinIorTypeNames;
+    private ORB theOrb;
+
+    static {
+        builtinIorTypeNames = initBuiltinIorTypeNames();
+    }
+
+    public IORTypeCheckRegistryImpl( String filterProperties, ORB orb) {
+        theOrb = orb;
+        iorTypeNames = parseIorClassNameList(filterProperties);
+    }
+
+    /*
+     *
+     * A note on the validation flow:
+     * 1. against the filter class name list
+     * 2. against the builtin class name list
+     */
+
+    @Override
+    public boolean isValidIORType(String iorClassName) {
+        dprintTransport(".isValidIORType : iorClassName == " + iorClassName);
+        return validateIorTypeByName(iorClassName);
+    }
+
+
+    private boolean validateIorTypeByName(String iorClassName) {
+        dprintTransport(".validateIorTypeByName : iorClassName == " + iorClassName);
+        boolean isValidType;
+
+        isValidType = checkIorTypeNames(iorClassName);
+
+        if (!isValidType) {
+            isValidType = checkBuiltinClassNames(iorClassName);
+        }
+
+        dprintTransport(".validateIorTypeByName : isValidType == " + isValidType);
+        return isValidType;
+    }
+
+
+    /*
+     * check if the class name corresponding to an IOR Type name
+     * is in the ior class name list as generated from the filter property.
+     * So if the IOR type is recorded in the registry then allow the creation of the
+     * stub factory and let it resolve and load the class. That is if current
+     * type check deliberation permits.
+     * IOR Type names are configured by the filter property
+     */
+
+    private boolean checkIorTypeNames(
+            String theIorClassName) {
+        return (iorTypeNames != null) && (iorTypeNames.contains(theIorClassName));
+    }
+
+    /*
+     * Check the IOR interface class name against the set of
+     * class names that correspond to the builtin JDK IDL stub classes.
+     */
+
+    private boolean  checkBuiltinClassNames(
+            String theIorClassName) {
+        return builtinIorTypeNames.contains(theIorClassName);
+    }
+
+
+    private Set<String> parseIorClassNameList(String filterProperty) {
+        Set<String> _iorTypeNames = null;
+        if (filterProperty != null) {
+            String[] tempIorClassNames = filterProperty.split(";");
+            _iorTypeNames = Set.<String>of(tempIorClassNames);
+            if (theOrb.orbInitDebugFlag) {
+                dprintConfiguredIorTypeNames();
+            }
+        }
+        return _iorTypeNames;
+    }
+
+
+    private static Set<String> initBuiltinIorTypeNames() {
+        Set<Class<?>> builtInCorbaStubTypes = initBuiltInCorbaStubTypes();
+        String [] tempBuiltinIorTypeNames = new String[builtInCorbaStubTypes.size()];
+        int i = 0;
+        for (Class<?> _stubClass: builtInCorbaStubTypes) {
+            tempBuiltinIorTypeNames[i++] = _stubClass.getName();
+        }
+        return  Set.<String>of(tempBuiltinIorTypeNames);
+    }
+
+    private static Set<Class<?>> initBuiltInCorbaStubTypes() {
+        Class<?> tempBuiltinCorbaStubTypes[] = {
+                com.sun.corba.se.spi.activation.Activator.class,
+                com.sun.corba.se.spi.activation._ActivatorStub.class,
+                com.sun.corba.se.spi.activation._InitialNameServiceStub.class,
+                com.sun.corba.se.spi.activation._LocatorStub.class,
+                com.sun.corba.se.spi.activation._RepositoryStub.class,
+                com.sun.corba.se.spi.activation._ServerManagerStub.class,
+                com.sun.corba.se.spi.activation._ServerStub.class,
+                org.omg.CosNaming.BindingIterator.class,
+                org.omg.CosNaming._BindingIteratorStub.class,
+                org.omg.CosNaming.NamingContextExt.class,
+                org.omg.CosNaming._NamingContextExtStub.class,
+                org.omg.CosNaming.NamingContext.class,
+                org.omg.CosNaming._NamingContextStub.class,
+                org.omg.DynamicAny.DynAnyFactory.class,
+                org.omg.DynamicAny._DynAnyFactoryStub.class,
+                org.omg.DynamicAny.DynAny.class,
+                org.omg.DynamicAny._DynAnyStub.class,
+                org.omg.DynamicAny.DynArray.class,
+                org.omg.DynamicAny._DynArrayStub.class,
+                org.omg.DynamicAny.DynEnum.class,
+                org.omg.DynamicAny._DynEnumStub.class,
+                org.omg.DynamicAny.DynFixed.class,
+                org.omg.DynamicAny._DynFixedStub.class,
+                org.omg.DynamicAny.DynSequence.class,
+                org.omg.DynamicAny._DynSequenceStub.class,
+                org.omg.DynamicAny.DynStruct.class,
+                org.omg.DynamicAny._DynStructStub.class,
+                org.omg.DynamicAny.DynUnion.class,
+                org.omg.DynamicAny._DynUnionStub.class,
+                org.omg.DynamicAny._DynValueStub.class,
+                org.omg.DynamicAny.DynValue.class,
+                org.omg.PortableServer.ServantActivator.class,
+                org.omg.PortableServer._ServantActivatorStub.class,
+                org.omg.PortableServer.ServantLocator.class,
+                org.omg.PortableServer._ServantLocatorStub.class };
+        return Set.<Class<?>>of(tempBuiltinCorbaStubTypes);
+    }
+
+    private void dprintConfiguredIorTypeNames() {
+        if (iorTypeNames != null) {
+            for (String iorTypeName : iorTypeNames) {
+                ORBUtility.dprint(this, ".dprintConfiguredIorTypeNames: " + iorTypeName);
+            }
+        }
+    }
+
+    private void dprintTransport(String msg) {
+        if (theOrb.transportDebugFlag) {
+            ORBUtility.dprint(this, msg);
+        }
+    }
+}