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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * Licensed 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.jboss.marshalling.river;

import static java.lang.System.getSecurityManager;
import static java.security.AccessController.doPrivileged;
import static sun.reflect.ReflectionFactory.getReflectionFactory;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;

import org.jboss.marshalling._private.GetDeclaredConstructorAction;
import org.jboss.marshalling._private.GetDeclaredFieldsAction;
import org.jboss.marshalling._private.GetReflectionFactoryAction;
import org.jboss.marshalling._private.GetUnsafeAction;
import org.jboss.marshalling._private.SetAccessibleAction;
import sun.misc.Unsafe;
import sun.reflect.ReflectionFactory;

/**
 *
 */
final class Protocol {
    public static final int MIN_VERSION = 2;
    public static final int MAX_VERSION = 4;

    public static final int ID_NULL                     = 0x01;
    public static final int ID_REPEAT_OBJECT_FAR        = 0x02;
    public static final int ID_PREDEFINED_OBJECT        = 0x03;
    public static final int ID_NEW_OBJECT               = 0x04;
    public static final int ID_NEW_OBJECT_UNSHARED      = 0x05;

    public static final int ID_REPEAT_CLASS_FAR         = 0x06;

    public static final int ID_PLAIN_CLASS              = 0x07;
    public static final int ID_PROXY_CLASS              = 0x08; // Proxy.isProxy(?) == true
    public static final int ID_SERIALIZABLE_CLASS       = 0x09; // ? extends Serializable.class
    public static final int ID_EXTERNALIZABLE_CLASS     = 0x0a; // ? extends Externalizable.class
    public static final int ID_EXTERNALIZER_CLASS       = 0x0b;
    public static final int ID_ENUM_TYPE_CLASS          = 0x0c; // ? extends Enum.class
    public static final int ID_OBJECT_ARRAY_TYPE_CLASS  = 0x0d; // ? extends Object[].class

    public static final int ID_PREDEFINED_PLAIN_CLASS               = 0x0e;
    public static final int ID_PREDEFINED_PROXY_CLASS               = 0x0f;
    public static final int ID_PREDEFINED_SERIALIZABLE_CLASS        = 0x10;
    public static final int ID_PREDEFINED_EXTERNALIZABLE_CLASS      = 0x11;
    public static final int ID_PREDEFINED_EXTERNALIZER_CLASS        = 0x12;
    public static final int ID_PREDEFINED_ENUM_TYPE_CLASS           = 0x13;

    // the following are never cached
    public static final int ID_STRING_CLASS             = 0x14; // String.class
    public static final int ID_CLASS_CLASS              = 0x15; // Class.class
    public static final int ID_OBJECT_CLASS             = 0x16; // Object.class
    public static final int ID_ENUM_CLASS               = 0x17; // Enum.class

    public static final int ID_BOOLEAN_ARRAY_CLASS      = 0x18; // boolean[].class
    public static final int ID_BYTE_ARRAY_CLASS         = 0x19; // ..etc..
    public static final int ID_SHORT_ARRAY_CLASS        = 0x1a;
    public static final int ID_INT_ARRAY_CLASS          = 0x1b;
    public static final int ID_LONG_ARRAY_CLASS         = 0x1c;
    public static final int ID_CHAR_ARRAY_CLASS         = 0x1d;
    public static final int ID_FLOAT_ARRAY_CLASS        = 0x1e;
    public static final int ID_DOUBLE_ARRAY_CLASS       = 0x1f;

    public static final int ID_PRIM_BOOLEAN             = 0x20; // boolean.class
    public static final int ID_PRIM_BYTE                = 0x21; // ..etc..
    public static final int ID_PRIM_SHORT               = 0x22;
    public static final int ID_PRIM_INT                 = 0x23;
    public static final int ID_PRIM_LONG                = 0x24;
    public static final int ID_PRIM_CHAR                = 0x25;
    public static final int ID_PRIM_FLOAT               = 0x26;
    public static final int ID_PRIM_DOUBLE              = 0x27;

    public static final int ID_VOID                     = 0x28; // void.class

    public static final int ID_BOOLEAN_CLASS            = 0x29; // Boolean.class
    public static final int ID_BYTE_CLASS               = 0x2a; // ..etc..
    public static final int ID_SHORT_CLASS              = 0x2b;
    public static final int ID_INTEGER_CLASS            = 0x2c;
    public static final int ID_LONG_CLASS               = 0x2d;
    public static final int ID_CHARACTER_CLASS          = 0x2e;
    public static final int ID_FLOAT_CLASS              = 0x2f;
    public static final int ID_DOUBLE_CLASS             = 0x30;

    public static final int ID_VOID_CLASS               = 0x31; // Void.class

    // protocol version >= 1
    public static final int ID_START_BLOCK_SMALL        = 0x32; // 8 bit size
    public static final int ID_START_BLOCK_MEDIUM       = 0x33; // 16 bit size
    public static final int ID_START_BLOCK_LARGE        = 0x34; // 32 bit size
    public static final int ID_END_BLOCK_DATA           = 0x35;
    public static final int ID_CLEAR_CLASS_CACHE        = 0x36; // implies CLEAR_INSTANCE_CACHE
    public static final int ID_CLEAR_INSTANCE_CACHE     = 0x37;
    public static final int ID_WRITE_OBJECT_CLASS       = 0x38; // ? extends Serializable.class, plus writeObject method

    // protocol version >= 2
    // uncached
    public static final int ID_REPEAT_OBJECT_NEAR       = 0x39; // 8-bit unsigned negative int relative
    public static final int ID_REPEAT_OBJECT_NEARISH    = 0x3a; // 16-bit unsigned negative int relative
    public static final int ID_REPEAT_CLASS_NEAR        = 0x3b; // 8-bit unsigned negative int relative
    public static final int ID_REPEAT_CLASS_NEARISH     = 0x3c; // 16-bit unsigned negative int relative
    public static final int ID_STRING_EMPTY             = 0x3d; // "" (UNCACHED)
    public static final int ID_STRING_SMALL             = 0x3e; // <=0x100 chars
    public static final int ID_STRING_MEDIUM            = 0x3f; // <=0x10000 chars
    public static final int ID_STRING_LARGE             = 0x40; // <0x80000000 chars
    public static final int ID_ARRAY_EMPTY              = 0x41; // zero elements (CACHED)
    public static final int ID_ARRAY_SMALL              = 0x42; // <=0x100 elements (CACHED)
    public static final int ID_ARRAY_MEDIUM             = 0x43; // <=0x10000 elements (CACHED)
    public static final int ID_ARRAY_LARGE              = 0x44; // <0x80000000 elements (CACHED)
    public static final int ID_ARRAY_EMPTY_UNSHARED     = 0x45; // zero elements (CACHED)
    public static final int ID_ARRAY_SMALL_UNSHARED     = 0x46; // <=0x100 elements (CACHED)
    public static final int ID_ARRAY_MEDIUM_UNSHARED    = 0x47; // <=0x10000 elements (CACHED)
    public static final int ID_ARRAY_LARGE_UNSHARED     = 0x48; // <0x80000000 elements (CACHED)
    // prim wrappers (more efficient) (always shared, never cached)
    public static final int ID_BYTE_OBJECT              = 0x49; // (UNCACHED)
    public static final int ID_SHORT_OBJECT             = 0x4a; // ...
    public static final int ID_INTEGER_OBJECT           = 0x4b;
    public static final int ID_LONG_OBJECT              = 0x4c;
    public static final int ID_CHARACTER_OBJECT         = 0x4d;
    public static final int ID_FLOAT_OBJECT             = 0x4e;
    public static final int ID_DOUBLE_OBJECT            = 0x4f;
    public static final int ID_BOOLEAN_OBJECT_TRUE      = 0x50;
    public static final int ID_BOOLEAN_OBJECT_FALSE     = 0x51;
    // ++ collection classes and types ++
    public static final int ID_COLLECTION_EMPTY             = 0x52; // zero members, type follows
    public static final int ID_COLLECTION_SMALL             = 0x53; // <=0x100 members, count then type follows
    public static final int ID_COLLECTION_MEDIUM            = 0x54; // <=0x10000 members, count then type follows
    public static final int ID_COLLECTION_LARGE             = 0x55; // <0x80000000 members, count then type follows
    public static final int ID_COLLECTION_EMPTY_UNSHARED    = 0x56; // zero members, type follows
    public static final int ID_COLLECTION_SMALL_UNSHARED    = 0x57; // <=0x100 members, count then type follows
    public static final int ID_COLLECTION_MEDIUM_UNSHARED   = 0x58; // <=0x10000 members, count then type follows
    public static final int ID_COLLECTION_LARGE_UNSHARED    = 0x59; // <0x80000000 members, count then type follows
    // lists
    public static final int ID_CC_ARRAY_LIST            = 0x5a;
    public static final int ID_CC_LINKED_LIST           = 0x5b;
    public static final int ID_SINGLETON_LIST_OBJECT    = 0x5c;
    public static final int ID_EMPTY_LIST_OBJECT        = 0x5d;
    // sets
    @Deprecated
    public static final int ID_CC_HASH_SET              = 0x5e;
    @Deprecated
    public static final int ID_CC_LINKED_HASH_SET       = 0x5f;
    @Deprecated
    public static final int ID_CC_TREE_SET              = 0x60;
    public static final int ID_SINGLETON_SET_OBJECT     = 0x61;
    public static final int ID_EMPTY_SET_OBJECT         = 0x62;
    // maps
    public static final int ID_CC_IDENTITY_HASH_MAP     = 0x63;
    @Deprecated
    public static final int ID_CC_HASH_MAP              = 0x64;
    @Deprecated
    public static final int ID_CC_HASHTABLE             = 0x65;
    @Deprecated
    public static final int ID_CC_LINKED_HASH_MAP       = 0x66;
    @Deprecated
    public static final int ID_CC_TREE_MAP              = 0x67;
    public static final int ID_SINGLETON_MAP_OBJECT     = 0x68;
    public static final int ID_EMPTY_MAP_OBJECT         = 0x69;
    // enum holders
    public static final int ID_CC_ENUM_SET_PROXY        = 0x6a;
    public static final int ID_CC_ENUM_SET              = 0x6b;
    public static final int ID_CC_ENUM_MAP              = 0x6c;
    // collection/map base classes
    public static final int ID_ABSTRACT_COLLECTION      = 0x6d;
    public static final int ID_ABSTRACT_SET             = 0x6e;
    public static final int ID_ABSTRACT_LIST            = 0x6f;
    public static final int ID_ABSTRACT_QUEUE           = 0x70;
    public static final int ID_ABSTRACT_SEQUENTIAL_LIST = 0x71;
    // concurrent collections and maps
    @Deprecated
    public static final int ID_CC_CONCURRENT_HASH_MAP       = 0x72;
    public static final int ID_CC_COPY_ON_WRITE_ARRAY_LIST  = 0x73;
    public static final int ID_CC_COPY_ON_WRITE_ARRAY_SET   = 0x74;
    public static final int ID_CC_VECTOR                    = 0x75;
    public static final int ID_CC_STACK                     = 0x76;

    // protocol version >= 3
    public static final int ID_PAIR                     = 0x77;
    public static final int ID_CC_ARRAY_DEQUE           = 0x78;
    public static final int ID_REVERSE_ORDER_OBJECT     = 0x79;
    public static final int ID_REVERSE_ORDER2_OBJECT    = 0x7a;
    public static final int ID_CC_NCOPIES = 0x7b;

    // protocol version >= 4
    public static final int ID_UNMODIFIABLE_COLLECTION  = 0x7c;
    public static final int ID_UNMODIFIABLE_LIST        = 0x7d;
    public static final int ID_UNMODIFIABLE_MAP         = 0x7e;
    public static final int ID_UNMODIFIABLE_SET         = 0x7f;
    public static final int ID_UNMODIFIABLE_SORTED_SET  = 0x80;
    public static final int ID_UNMODIFIABLE_SORTED_MAP  = 0x81;

    public static final int ID_UNMODIFIABLE_MAP_ENTRY_SET = 0x82;

    private static class UnsafeHolder {
        // WFLY-14077 Never ever refactor out unsafe field from this wrapper class
        private static final Unsafe unsafe = getSecurityManager() == null ? GetUnsafeAction.INSTANCE.run() : doPrivileged(GetUnsafeAction.INSTANCE);
    }

    static final Class singletonListClass = Collections.singletonList(null).getClass();
    static final Class singletonSetClass = Collections.singleton(null).getClass();
    static final Class singletonMapClass = Collections.singletonMap(null, null).getClass();

    static final Class emptyListClass = Collections.emptyList().getClass();
    static final Class emptySetClass = Collections.emptySet().getClass();
    static final Class emptyMapClass = Collections.emptyMap().getClass();

    static final Class unmodifiableCollectionClass = Collections.unmodifiableCollection(Collections.emptySet()).getClass();
    static final Class unmodifiableListClass = Collections.unmodifiableList(new LinkedList()).getClass();
    static final Class unmodifiableRandomAccessListClass = Collections.unmodifiableList(new ArrayList()).getClass();
    static final Class unmodifiableMapClass = Collections.unmodifiableMap(Collections.emptyMap()).getClass();
    static final Class unmodifiableSetClass = Collections.unmodifiableSet(Collections.emptySet()).getClass();
    static final Class unmodifiableSortedSetClass = Collections.unmodifiableSortedSet(new TreeSet()).getClass();
    static final Class unmodifiableSortedMapClass = Collections.unmodifiableSortedMap(new TreeMap()).getClass();

    static final Class unmodifiableMapEntrySetClass = Collections.unmodifiableMap(Collections.emptyMap()).entrySet().getClass();

    static final Class reverseOrderClass = Collections.reverseOrder().getClass();
    static final Class reverseOrder2Class = Collections.reverseOrder(new TrivialComparator()).getClass();
    static final Field reverseOrder2Field;

    static final Class nCopiesClass = Collections.nCopies(1, null).getClass();

    static final Class enumSetProxyClass;

    static final Field unmodifiableCollectionField;
    static final Field unmodifiableListField;
    static final Field unmodifiableRandomAccessListField;
    static final Field unmodifiableMapField;
    static final Field unmodifiableSetField;
    static final Field unmodifiableSortedSetField;
    static final Field unmodifiableSortedMapField;

    static final Field unmodifiableMapEntrySetField;
    static final Constructor unmodifiableMapEntrySetCtor;

    static Object readField(Field field, final Object obj) {
        return UnsafeHolder.unsafe.getObject(obj, UnsafeHolder.unsafe.objectFieldOffset(field));
    }

    static Field findUnmodifiableField(final Class search) {
        Class clazz = search;
        final HashSet strings = new HashSet(Arrays.asList("c", "ss", "list", "m"));
        for (;;) {
            if (clazz == Object.class) {
                throw new IllegalStateException("No candidate collection fields found in " + clazz);
            }
            for (Field field : getSecurityManager() == null ? clazz.getDeclaredFields() : doPrivileged(new GetDeclaredFieldsAction(clazz))) {
                if (strings.contains(field.getName())) {
                    return field;
                }
            }
            clazz = clazz.getSuperclass();
        }
    }

    static class TrivialComparator implements Comparator {
        TrivialComparator() {
        }

        public int compare(final Object o1, final Object o2) {
            return 0;
        }
    }

    static {
        doPrivileged(new PrivilegedAction() {
            // WFLY-14077 Never ever remove this doPrivileged() call
            @Override
            public Void run() {
                try {
                    Class.forName("sun.misc.Unsafe", true, UnsafeHolder.class.getClassLoader());
                } catch (Exception ignored) {
                    // do nothing
                }
                return null;
            }
        });
        try {
            enumSetProxyClass = Class.forName("java.util.EnumSet$SerializationProxy");
        } catch (ClassNotFoundException e) {
            throw new IllegalStateException("No standard serialization proxy found for enum set!");
        }
        Field field = null;
        final SecurityManager sm = getSecurityManager();
        for (Field declared : sm == null ? reverseOrder2Class.getDeclaredFields() : doPrivileged(new GetDeclaredFieldsAction(reverseOrder2Class))) {
            if (declared.getName().equals("cmp") || declared.getName().equals("comparator")) {
                field = declared;
                break;
            }
        }
        if (field == null) {
            throw new IllegalStateException("No standard field found for reverse order comparator!");
        }
        reverseOrder2Field = field;
        unmodifiableCollectionField = findUnmodifiableField(unmodifiableCollectionClass);
        unmodifiableSetField = findUnmodifiableField(unmodifiableSetClass);
        unmodifiableListField = findUnmodifiableField(unmodifiableListClass);
        unmodifiableRandomAccessListField = findUnmodifiableField(unmodifiableRandomAccessListClass);
        unmodifiableMapField = findUnmodifiableField(unmodifiableMapClass);
        unmodifiableSortedSetField = findUnmodifiableField(unmodifiableSortedSetClass);
        unmodifiableSortedMapField = findUnmodifiableField(unmodifiableSortedMapClass);

        unmodifiableMapEntrySetField = findUnmodifiableField(unmodifiableMapEntrySetClass);
        unmodifiableMapEntrySetCtor = sm == null ? getConstructorForSetWihtUnmodifiableMapEntry() : doPrivileged(new PrivilegedAction() {
            public Constructor run() {
                return getConstructorForSetWihtUnmodifiableMapEntry();
            }
        });
    }

    private static Constructor getConstructorForSetWihtUnmodifiableMapEntry() {
        final ReflectionFactory reflectionFactory = getReflectionFactory();
        final Constructor ctor = GetDeclaredConstructorAction
                .create(unmodifiableMapEntrySetClass, Set.class).run();
        Constructor constructor = reflectionFactory
                .newConstructorForSerialization(
                        unmodifiableMapEntrySetClass, ctor);
        if (!constructor.isAccessible()) {
            // Java 8 doesn't do this, sometimes :(
            constructor.setAccessible(true);
        }
        return constructor;
    }

    private Protocol() {
    }
}
    

    

    

            

    

            



    
    






    
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