/*
* Copyright (c) 2000, 2012, 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.
*/
/*
* Licensed Materials - Property of IBM
* RMI-IIOP v1.0
* Copyright IBM Corp. 1998 1999 All Rights Reserved
*
*/
package com.sun.corba.se.impl.orbutil;
import java.util.StringTokenizer;
import java.util.Hashtable;
import java.io.IOException;
import java.lang.reflect.Method;
// Imports for using codebase URL to load class
import java.net.MalformedURLException;
import org.omg.CORBA.portable.ValueBase;
import org.omg.CORBA.portable.IDLEntity;
import com.sun.corba.se.impl.util.JDKBridge;
import com.sun.corba.se.impl.util.Utility;
import com.sun.corba.se.impl.util.PackagePrefixChecker;
import com.sun.corba.se.impl.util.IdentityHashtable;
import com.sun.corba.se.impl.io.ObjectStreamClass;
import javax.rmi.CORBA.Util;
// keeping the original RepositoryId class that was shipped in
// JDK 1.3. It has interoperability bugs
public class RepositoryId_1_3 {
// Legal IDL Identifier characters (1 = legal). Note
// that '.' (2E) is marked as legal even though it is
// not legal in IDL. This allows us to treat a fully
// qualified Java name with '.' package separators
// uniformly, and is safe because that is the only
// legal use of '.' in a Java name.
public static final RepositoryIdCache_1_3 cache = new RepositoryIdCache_1_3();
private static final byte[] IDL_IDENTIFIER_CHARS = {
// 0 1 2 3 4 5 6 7 8 9 a b c d e f
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 00-0f
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 10-1f
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,1,0, // 20-2f
1,1,1,1, 1,1,1,1, 1,1,0,0, 0,0,0,0, // 30-3f
0,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 40-4f
1,1,1,1, 1,1,1,1, 1,1,1,0, 0,0,0,1, // 50-5f
0,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // 60-6f
1,1,1,1, 1,1,1,1, 1,1,1,0, 0,0,0,0, // 70-7f
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 80-8f
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // 90-9f
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // a0-af
0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, // b0-bf
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // c0-cf
0,1,1,1, 1,1,1,0, 1,1,1,1, 1,0,0,1, // d0-df
1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, // e0-ef
0,1,1,1, 1,1,1,0, 1,1,1,1, 1,0,0,1, // f0-ff
};
private static String defaultServerURL = null;
private static boolean useCodebaseOnly = false;
static {
if (defaultServerURL == null)
defaultServerURL = (String)JDKBridge.getLocalCodebase();
useCodebaseOnly = JDKBridge.useCodebaseOnly();
}
private static IdentityHashtable classToRepStr = new IdentityHashtable();
private static IdentityHashtable classIDLToRepStr = new IdentityHashtable();
private static IdentityHashtable classSeqToRepStr = new IdentityHashtable();
private static IdentityHashtable repStrToByteArray = new IdentityHashtable();
private static Hashtable repStrToClass = new Hashtable();
private String repId = null;
private boolean isSupportedFormat = true;
private String typeString = null;
private String versionString = null;
private boolean isSequence = false;
private boolean isRMIValueType = false;
private boolean isIDLType = false;
private String completeClassName = null;
private String unqualifiedName = null;
private String definedInId = null;
private Class clazz = null;
private String suid = null, actualSuid = null;
private long suidLong = ObjectStreamClass.kDefaultUID, actualSuidLong = ObjectStreamClass.kDefaultUID;
// Repository ID fragments
private static final String kValuePrefix = "RMI:";
private static final String kIDLPrefix = "IDL:";
private static final String kIDLNamePrefix = "omg.org/";
private static final String kIDLClassnamePrefix = "org.omg.";
private static final String kSequencePrefix = "[";
private static final String kCORBAPrefix = "CORBA/";
private static final String kArrayPrefix = kValuePrefix + kSequencePrefix + kCORBAPrefix;
private static final int kValuePrefixLength = kValuePrefix.length();
private static final int kIDLPrefixLength = kIDLPrefix.length();
private static final int kSequencePrefixLength = kSequencePrefix.length();
private static final String kInterfaceHashCode = ":0000000000000000";
private static final String kInterfaceOnlyHashStr = "0000000000000000";
private static final String kExternalizableHashStr = "0000000000000001";
// Value tag utility methods and constants
public static final int kInitialValueTag= 0x7fffff00;
public static final int kNoTypeInfo = 0;
public static final int kSingleRepTypeInfo = 0x02;
public static final int kPartialListTypeInfo = 0x06;
public static final int kChunkedMask = 0x08;
// Public, well known repository IDs
// _REVISIT_ : A table structure with a good search routine for all of this
// would be more efficient and easier to maintain...
// String
public static final String kWStringValueVersion = "1.0";
public static final String kWStringValueHash = ":"+kWStringValueVersion;
public static final String kWStringStubValue = "WStringValue";
public static final String kWStringTypeStr = "omg.org/CORBA/"+kWStringStubValue;
public static final String kWStringValueRepID = kIDLPrefix + kWStringTypeStr + kWStringValueHash;
// Any
public static final String kAnyRepID = kIDLPrefix + "omg.org/CORBA/Any";
// Class
public static final String kClassDescValueHash = ":" + Long.toHexString(
ObjectStreamClass.getSerialVersionUID(javax.rmi.CORBA.ClassDesc.class));
public static final String kClassDescStubValue = "ClassDesc";
public static final String kClassDescTypeStr = "javax.rmi.CORBA."+kClassDescStubValue;
public static final String kClassDescValueRepID = kValuePrefix + kClassDescTypeStr + kClassDescValueHash;
// Object
public static final String kObjectValueHash = ":1.0";
public static final String kObjectStubValue = "Object";
// Sequence
public static final String kSequenceValueHash = ":1.0";
public static final String kPrimitiveSequenceValueHash = ":0000000000000000";
// Serializable
public static final String kSerializableValueHash = ":1.0";
public static final String kSerializableStubValue = "Serializable";
// Externalizable
public static final String kExternalizableValueHash = ":1.0";
public static final String kExternalizableStubValue = "Externalizable";
// Remote (The empty string is used for java.rmi.Remote)
public static final String kRemoteValueHash = "";
public static final String kRemoteStubValue = "";
public static final String kRemoteTypeStr = "";
public static final String kRemoteValueRepID = "";
private static final Hashtable kSpecialArrayTypeStrings = new Hashtable();
static {
kSpecialArrayTypeStrings.put("CORBA.WStringValue", new StringBuffer(java.lang.String.class.getName()));
kSpecialArrayTypeStrings.put("javax.rmi.CORBA.ClassDesc", new StringBuffer(java.lang.Class.class.getName()));
kSpecialArrayTypeStrings.put("CORBA.Object", new StringBuffer(java.rmi.Remote.class.getName()));
}
private static final Hashtable kSpecialCasesRepIDs = new Hashtable();
static {
kSpecialCasesRepIDs.put(java.lang.String.class, kWStringValueRepID);
kSpecialCasesRepIDs.put(java.lang.Class.class, kClassDescValueRepID);
kSpecialCasesRepIDs.put(java.rmi.Remote.class, kRemoteValueRepID);
}
private static final Hashtable kSpecialCasesStubValues = new Hashtable();
static {
kSpecialCasesStubValues.put(java.lang.String.class, kWStringStubValue);
kSpecialCasesStubValues.put(java.lang.Class.class, kClassDescStubValue);
kSpecialCasesStubValues.put(java.lang.Object.class, kObjectStubValue);
kSpecialCasesStubValues.put(java.io.Serializable.class, kSerializableStubValue);
kSpecialCasesStubValues.put(java.io.Externalizable.class, kExternalizableStubValue);
kSpecialCasesStubValues.put(java.rmi.Remote.class, kRemoteStubValue);
}
private static final Hashtable kSpecialCasesVersions = new Hashtable();
static {
kSpecialCasesVersions.put(java.lang.String.class, kWStringValueHash);
kSpecialCasesVersions.put(java.lang.Class.class, kClassDescValueHash);
kSpecialCasesVersions.put(java.lang.Object.class, kObjectValueHash);
kSpecialCasesVersions.put(java.io.Serializable.class, kSerializableValueHash);
kSpecialCasesVersions.put(java.io.Externalizable.class, kExternalizableValueHash);
kSpecialCasesVersions.put(java.rmi.Remote.class, kRemoteValueHash);
}
private static final Hashtable kSpecialCasesClasses = new Hashtable();
static {
kSpecialCasesClasses.put(kWStringTypeStr, java.lang.String.class);
kSpecialCasesClasses.put(kClassDescTypeStr, java.lang.Class.class);
kSpecialCasesClasses.put(kRemoteTypeStr, java.rmi.Remote.class);
kSpecialCasesClasses.put("org.omg.CORBA.WStringValue", java.lang.String.class);
kSpecialCasesClasses.put("javax.rmi.CORBA.ClassDesc", java.lang.Class.class);
//kSpecialCasesClasses.put(kRemoteTypeStr, java.rmi.Remote.class);
}
private static final Hashtable kSpecialCasesArrayPrefix = new Hashtable();
static {
kSpecialCasesArrayPrefix.put(java.lang.String.class, kValuePrefix + kSequencePrefix + kCORBAPrefix);
kSpecialCasesArrayPrefix.put(java.lang.Class.class, kValuePrefix + kSequencePrefix + "javax/rmi/CORBA/");
kSpecialCasesArrayPrefix.put(java.lang.Object.class, kValuePrefix + kSequencePrefix + "java/lang/");
kSpecialCasesArrayPrefix.put(java.io.Serializable.class, kValuePrefix + kSequencePrefix + "java/io/");
kSpecialCasesArrayPrefix.put(java.io.Externalizable.class, kValuePrefix + kSequencePrefix + "java/io/");
kSpecialCasesArrayPrefix.put(java.rmi.Remote.class, kValuePrefix + kSequencePrefix + kCORBAPrefix);
}
private static final Hashtable kSpecialPrimitives = new Hashtable();
static {
kSpecialPrimitives.put("int","long");
kSpecialPrimitives.put("long","longlong");
kSpecialPrimitives.put("byte","octet");
}
/**
* Used to convert ascii to hex.
*/
private static final byte ASCII_HEX[] = {
(byte)'0',
(byte)'1',
(byte)'2',
(byte)'3',
(byte)'4',
(byte)'5',
(byte)'6',
(byte)'7',
(byte)'8',
(byte)'9',
(byte)'A',
(byte)'B',
(byte)'C',
(byte)'D',
(byte)'E',
(byte)'F',
};
// Interface Rep ID Strings
public static final String kjava_rmi_Remote = createForAnyType(java.rmi.Remote.class);
public static final String korg_omg_CORBA_Object = createForAnyType(org.omg.CORBA.Object.class);
// Dummy arguments for getIdFromHelper method
public static final Class kNoParamTypes[] ={};
public static final Object kNoArgs[] = {};
RepositoryId_1_3(){}
RepositoryId_1_3(String aRepId){
init(aRepId);
}
RepositoryId_1_3 init(String aRepId){
this.repId = aRepId;
// Special case for remote
if (aRepId.length() == 0) {
clazz = java.rmi.Remote.class;
typeString = "";
isRMIValueType = true;
suid = kInterfaceOnlyHashStr;
return this;
}
else if (aRepId.equals(kWStringValueRepID)) {
clazz = java.lang.String.class;
typeString = kWStringTypeStr;
isIDLType = true;
versionString = kWStringValueVersion;
return this;
}
else {
String repId = convertFromISOLatin1(aRepId);
versionString = repId.substring(repId.indexOf(':', repId.indexOf(':')+1));
if (repId.startsWith(kIDLPrefix)) {
typeString =
repId.substring(kIDLPrefixLength, repId.indexOf(':', kIDLPrefixLength));
isIDLType = true;
if (typeString.startsWith(kIDLNamePrefix))
completeClassName = kIDLClassnamePrefix +
typeString.substring(kIDLNamePrefix.length()).replace('/','.');
else completeClassName = typeString.replace('/','.');
}
else if (repId.startsWith(kValuePrefix)) {
typeString =
repId.substring(kValuePrefixLength, repId.indexOf(':', kValuePrefixLength));
isRMIValueType = true;
if (versionString.indexOf('.') == -1) {
actualSuid = versionString.substring(1);
suid = actualSuid; // default if not explicitly specified
if (actualSuid.indexOf(':') != -1){
// we have a declared hash also
int pos = actualSuid.indexOf(':')+1;
// actualSuid = suid.substring(pos);
// suid = suid.substring(0, pos-1);
suid = actualSuid.substring(pos);
actualSuid = actualSuid.substring(0, pos-1);
}
}
else {
// _REVISIT_ : Special case version failure ?
}
}
else isSupportedFormat = false;
if (typeString.startsWith(kSequencePrefix)) {
isSequence = true;
}
return this;
}
}
public final String getUnqualifiedName() {
if (unqualifiedName == null){
String className = getClassName();
int index = (className != null) ? className.lastIndexOf('.') : -1;
if (index == -1){
unqualifiedName = className;
definedInId = "IDL::1.0";
}
else {
unqualifiedName = className.substring(index);
definedInId = "IDL:" + className.substring(0, index).replace('.','/') + ":1.0";
}
}
return unqualifiedName;
}
public final String getDefinedInId() {
if (definedInId == null){
getUnqualifiedName();
}
return definedInId;
}
public final String getTypeString() {
return typeString;
}
public final String getVersionString() {
return versionString;
}
public final String getSerialVersionUID() {
return suid;
}
public final String getActualSerialVersionUID() {
return actualSuid;
}
public final long getSerialVersionUIDAsLong() {
return suidLong;
}
public final long getActualSerialVersionUIDAsLong() {
return actualSuidLong;
}
public final boolean isRMIValueType() {
return isRMIValueType;
}
public final boolean isIDLType() {
return isIDLType;
}
public final String getRepositoryId() {
return repId;
}
public static byte[] getByteArray(String repStr) {
synchronized (repStrToByteArray){
return (byte[]) repStrToByteArray.get(repStr);
}
}
public static void setByteArray(String repStr, byte[] repStrBytes) {
synchronized (repStrToByteArray){
repStrToByteArray.put(repStr, repStrBytes);
}
}
public final boolean isSequence() {
return isSequence;
}
public final boolean isSupportedFormat() {
return isSupportedFormat;
}
// This method will return the classname from the typestring OR if the classname turns out to be
// a special class "pseudo" name, then the matching real classname is returned.
public final String getClassName() {
if (isRMIValueType)
return typeString;
else if (isIDLType)
return completeClassName;
else return null;
}
// This method calls getClazzFromType() and falls back to the repStrToClass
// cache if no class was found. It's used where any class matching the
// given repid is an acceptable result.
public final Class getAnyClassFromType() throws ClassNotFoundException {
try {
return getClassFromType();
} catch (ClassNotFoundException cnfe) {
Class clz = (Class)repStrToClass.get(repId);
if (clz != null)
return clz;
else
throw cnfe;
}
}
public final Class getClassFromType()
throws ClassNotFoundException {
if (clazz != null)
return clazz;
Class specialCase = (Class)kSpecialCasesClasses.get(getClassName());
if (specialCase != null){
clazz = specialCase;
return specialCase;
}
else
{
try{
return Util.loadClass(getClassName(), null, null);
}
catch(ClassNotFoundException cnfe){
if (defaultServerURL != null) {
try{
return getClassFromType(defaultServerURL);
}
catch(MalformedURLException mue){
throw cnfe;
}
}
else throw cnfe;
}
}
}
public final Class getClassFromType(Class expectedType, String codebase)
throws ClassNotFoundException {
if (clazz != null)
return clazz;
Class specialCase = (Class)kSpecialCasesClasses.get(getClassName());
if (specialCase != null){
clazz = specialCase;
return specialCase;
} else {
ClassLoader expectedTypeClassLoader = (expectedType == null ? null : expectedType.getClassLoader());
return loadClassOfType(getClassName(),
codebase,
expectedTypeClassLoader,
expectedType,
expectedTypeClassLoader);
}
}
public final Class getClassFromType(String url)
throws ClassNotFoundException, MalformedURLException {
return Util.loadClass(getClassName(), url, null);
}
public final String toString() {
return repId;
}
private static String createHashString(java.io.Serializable ser) {
return createHashString(ser.getClass());
}
private static String createHashString(java.lang.Class clazz) {
if (clazz.isInterface() || !java.io.Serializable.class.isAssignableFrom(clazz))
return kInterfaceHashCode;
long actualLong = ObjectStreamClassUtil_1_3.computeStructuralUID(false, clazz);
String hash = null;
if (actualLong == 0)
hash = kInterfaceOnlyHashStr;
else if (actualLong == 1)
hash = kExternalizableHashStr;
else
hash = Long.toHexString(actualLong).toUpperCase();
while(hash.length() < 16){
hash = "0" + hash;
}
long declaredLong = ObjectStreamClassUtil_1_3.computeSerialVersionUID(clazz);
String declared = null;
if (declaredLong == 0)
declared = kInterfaceOnlyHashStr;
else if (declaredLong == 1)
declared = kExternalizableHashStr;
else
declared = Long.toHexString(declaredLong).toUpperCase();
while (declared.length() < 16){
declared = "0" + declared;
}
hash = hash + ":" + declared;
return ":" + hash;
}
/**
* Creates a repository ID for a sequence. This is for expert users only as
* this method assumes the object passed is an array. If passed an object
* that is not an array, it will produce a rep id for a sequence of zero
* length. This would be an error.
* @param ser The Java object to create a repository ID for
**/
public static String createSequenceRepID(java.lang.Object ser){
return createSequenceRepID(ser.getClass());
}
/**
* Creates a repository ID for a sequence. This is for expert users only as
* this method assumes the object passed is an array. If passed an object
* that is not an array, it will produce a malformed rep id.
* @param clazz The Java class to create a repository ID for
**/
public static String createSequenceRepID(java.lang.Class clazz){
synchronized (classSeqToRepStr){
String repid = (String)classSeqToRepStr.get(clazz);
if (repid != null)
return repid;
Class originalClazz = clazz;
Class type = null;
int numOfDims = 0;
while ((type = clazz.getComponentType()) != null) {
numOfDims++;
clazz = type;
}
if (clazz.isPrimitive())
repid = kValuePrefix + originalClazz.getName() + kPrimitiveSequenceValueHash;
else {
StringBuffer buf = new StringBuffer();
buf.append(kValuePrefix);
while(numOfDims-- > 0) {
buf.append("[");
}
buf.append("L");
buf.append(convertToISOLatin1(clazz.getName()));
buf.append(";");
buf.append(createHashString(clazz));
repid = buf.toString();
}
classSeqToRepStr.put(originalClazz,repid);
return repid;
}
}
public static String createForSpecialCase(java.lang.Class clazz){
if (clazz.isArray()){
return createSequenceRepID(clazz);
}
else {
return (String)kSpecialCasesRepIDs.get(clazz);
}
}
public static String createForSpecialCase(java.io.Serializable ser){
Class clazz = ser.getClass();
if (clazz.isArray()){
return createSequenceRepID(ser);
}
else
return createForSpecialCase(clazz);
}
/**
* Creates a repository ID for a normal Java Type.
* @param ser The Java object to create a repository ID for
* @exception com.sun.corba.se.impl.io.TypeMismatchException if ser implements the
* org.omg.CORBA.portable.IDLEntity interface which indicates it is an IDL Value type.
**/
public static String createForJavaType(java.io.Serializable ser)
throws com.sun.corba.se.impl.io.TypeMismatchException
{
synchronized (classToRepStr) {
String repid = createForSpecialCase(ser);
if (repid != null)
return repid;
Class clazz = ser.getClass();
repid = (String)classToRepStr.get(clazz);
if (repid != null)
return repid;
repid = kValuePrefix + convertToISOLatin1(clazz.getName()) +
createHashString(clazz);
classToRepStr.put(clazz, repid);
repStrToClass.put(repid, clazz);
return repid;
}
}
/**
* Creates a repository ID for a normal Java Type.
* @param clz The Java class to create a repository ID for
* @exception com.sun.corba.se.impl.io.TypeMismatchException if ser implements the
* org.omg.CORBA.portable.IDLEntity interface which indicates it is an IDL Value type.
**/
public static String createForJavaType(Class clz)
throws com.sun.corba.se.impl.io.TypeMismatchException
{
synchronized (classToRepStr){
String repid = createForSpecialCase(clz);
if (repid != null)
return repid;
repid = (String)classToRepStr.get(clz);
if (repid != null)
return repid;
repid = kValuePrefix + convertToISOLatin1(clz.getName()) +
createHashString(clz);
classToRepStr.put(clz, repid);
repStrToClass.put(repid, clz);
return repid;
}
}
/**
* Creates a repository ID for an IDL Java Type.
* @param ser The IDL Value object to create a repository ID for
* @param major The major version number
* @param minor The minor version number
* @exception com.sun.corba.se.impl.io.TypeMismatchException if ser does not implement the
* org.omg.CORBA.portable.IDLEntity interface which indicates it is an IDL Value type.
**/
public static String createForIDLType(Class ser, int major, int minor)
throws com.sun.corba.se.impl.io.TypeMismatchException
{
synchronized (classIDLToRepStr){
String repid = (String)classIDLToRepStr.get(ser);
if (repid != null)
return repid;
repid = kIDLPrefix + convertToISOLatin1(ser.getName()).replace('.','/') +
":" + major + "." + minor;
classIDLToRepStr.put(ser, repid);
return repid;
}
}
private static String getIdFromHelper(Class clazz){
try {
Class helperClazz = Utility.loadClassForClass(clazz.getName()+"Helper", null,
clazz.getClassLoader(), clazz, clazz.getClassLoader());
Method idMethod = helperClazz.getDeclaredMethod("id", kNoParamTypes);
return (String)idMethod.invoke(null, kNoArgs);
}
catch(java.lang.ClassNotFoundException cnfe)
{
throw new org.omg.CORBA.MARSHAL(cnfe.toString());
}
catch(java.lang.NoSuchMethodException nsme)
{
throw new org.omg.CORBA.MARSHAL(nsme.toString());
}
catch(java.lang.reflect.InvocationTargetException ite)
{
throw new org.omg.CORBA.MARSHAL(ite.toString());
}
catch(java.lang.IllegalAccessException iae)
{
throw new org.omg.CORBA.MARSHAL(iae.toString());
}
}
/**
* Createa a repository ID for the type if it is either a java type
* or an IDL type.
* @param type The type to create rep. id for
* @return The rep. id.
**/
public static String createForAnyType(Class type) {
try{
if (type.isArray())
return createSequenceRepID(type);
else if (IDLEntity.class.isAssignableFrom(type))
{
try{
return getIdFromHelper(type);
}
catch(Throwable t) {
return createForIDLType(type, 1, 0);
}
}
else return createForJavaType(type);
}
catch(com.sun.corba.se.impl.io.TypeMismatchException e){
return null;
}
}
public static boolean isAbstractBase(Class clazz) {
return (clazz.isInterface() &&
IDLEntity.class.isAssignableFrom(clazz) &&
(!ValueBase.class.isAssignableFrom(clazz)) &&
(!org.omg.CORBA.Object.class.isAssignableFrom(clazz)));
}
/**
* Convert strings with illegal IDL identifier characters.
* <p>
* Section 5.5.7 of OBV spec.
*/
private static String convertToISOLatin1 (String name) {
int length = name.length();
if (length == 0) {
return name;
}
StringBuffer buffer = null;
for (int i = 0; i < length; i++) {
char c = name.charAt(i);
if (c > 255 || IDL_IDENTIFIER_CHARS[c] == 0) {
// We gotta convert. Have we already started?
if (buffer == null) {
// No, so get set up...
buffer = new StringBuffer(name.substring(0,i));
}
// Convert the character into the IDL escape syntax...
buffer.append(
"\\U" +
(char)ASCII_HEX[(c & 0xF000) >>> 12] +
(char)ASCII_HEX[(c & 0x0F00) >>> 8] +
(char)ASCII_HEX[(c & 0x00F0) >>> 4] +
(char)ASCII_HEX[(c & 0x000F)]);
} else {
if (buffer != null) {
buffer.append(c);
}
}
}
if (buffer != null) {
name = buffer.toString();
}
return name;
}
/**
* Convert strings with ISO Latin 1 escape sequences back to original strings.
* <p>
* Section 5.5.7 of OBV spec.
*/
private static String convertFromISOLatin1 (String name) {
int index = -1;
StringBuffer buf = new StringBuffer(name);
while ((index = buf.toString().indexOf("\\U")) != -1){
String str = "0000" + buf.toString().substring(index+2, index+6);
// Convert Hexadecimal
byte[] buffer = new byte[(str.length() - 4) / 2];
for (int i=4, j=0; i < str.length(); i +=2, j++) {
buffer[j] = (byte)((ORBUtility.hexOf(str.charAt(i)) << 4) & 0xF0);
buffer[j] |= (byte)((ORBUtility.hexOf(str.charAt(i+1)) << 0) & 0x0F);
}
buf = new StringBuffer(delete(buf.toString(), index, index+6));
buf.insert(index, (char)buffer[1]);
}
return buf.toString();
}
private static String delete(String str, int from, int to)
{
return str.substring(0, from) + str.substring(to, str.length());
}
private static String replace(String target, String arg, String source)
{
int i = 0;
i = target.indexOf(arg);
while(i != -1)
{
String left = target.substring(0, i);
String right = target.substring(i+arg.length());
target = new String(left+source+right);
i = target.indexOf(arg);
}
return target;
}
/*
* Load a class and check that it is assignable to a given type.
* @param className the class name.
* @param remoteCodebase the codebase to use. May be null.
* @param loader the class loader of last resort. May be null.
* @param expectedType the expected type. May be null.
* @return the loaded class.
*/
private Class loadClassOfType (String className,
String remoteCodebase,
ClassLoader loader,
Class expectedType,
ClassLoader expectedTypeClassLoader)
throws ClassNotFoundException {
Class loadedClass = null;
try {
//Sequence finding of the stubs according to spec
try{
//If-else is put here for speed up of J2EE.
//According to the OMG spec, the if clause is not dead code.
//It can occur if some compiler has allowed generation
//into org.omg.stub hierarchy for non-offending
//classes. This will encourage people to
//produce non-offending class stubs in their own hierarchy.
if(!PackagePrefixChecker
.hasOffendingPrefix(PackagePrefixChecker
.withoutPackagePrefix(className))){
loadedClass = Util.loadClass
(PackagePrefixChecker.withoutPackagePrefix(className),
remoteCodebase,
loader);
} else {
loadedClass = Util.loadClass
(className,
remoteCodebase,
loader);
}
} catch (ClassNotFoundException cnfe) {
loadedClass = Util.loadClass
(className,
remoteCodebase,
loader);
}
if (expectedType == null)
return loadedClass;
} catch (ClassNotFoundException cnfe) {
if (expectedType == null)
throw cnfe;
}
// If no class was not loaded, or if the loaded class is not of the
// correct type, make a further attempt to load the correct class
// using the classloader of the expected type.
// _REVISIT_ Is this step necessary, or should the Util,loadClass
// algorithm always produce a valid class if the setup is correct?
// Does the OMG standard algorithm need to be changed to include
// this step?
if (loadedClass == null || !expectedType.isAssignableFrom(loadedClass)) {
if (expectedType.getClassLoader() != expectedTypeClassLoader)
throw new IllegalArgumentException("expectedTypeClassLoader not class loader of expectedType.");
if (expectedTypeClassLoader != null)
loadedClass = expectedTypeClassLoader.loadClass(className);
else
loadedClass = ORBClassLoader.loadClass(className);
}
return loadedClass;
}
/**
* Checks to see if the FullValueDescription should be retrieved.
* @exception Throws IOException if suids do not match or if the repositoryID
* is not an RMIValueType
*/
public static boolean useFullValueDescription(Class clazz, String repositoryID)
throws IOException{
String clazzRepIDStr = createForAnyType(clazz);
if (clazzRepIDStr.equals(repositoryID))
return false;
RepositoryId_1_3 targetRepid;
RepositoryId_1_3 clazzRepid;
synchronized(cache) {
// to avoid race condition where multiple threads could be
// accessing this method, and their access to the cache may
// be interleaved giving unexpected results
targetRepid = cache.getId(repositoryID);
clazzRepid = cache.getId(clazzRepIDStr);
}
if ((targetRepid.isRMIValueType()) && (clazzRepid.isRMIValueType())){
if (!targetRepid.getSerialVersionUID().equals(clazzRepid.getSerialVersionUID())) {
String mssg = "Mismatched serialization UIDs : Source (Rep. ID" +
clazzRepid + ") = " +
clazzRepid.getSerialVersionUID() + " whereas Target (Rep. ID " + repositoryID +
") = " + targetRepid.getSerialVersionUID();
throw new IOException(mssg);
} else {
return true;
}
} else {
throw new IOException("The repository ID is not of an RMI value type (Expected ID = " + clazzRepIDStr + "; Received ID = " + repositoryID +")");
}
}
}