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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/CORBA/OrbRestricted.java')
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1 files changed, 583 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/CORBA/OrbRestricted.java b/gcc-4.4.3/libjava/classpath/gnu/CORBA/OrbRestricted.java new file mode 100644 index 000000000..4ae50b1a3 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/CORBA/OrbRestricted.java @@ -0,0 +1,583 @@ +/* RestrictedORB.java -- + Copyright (C) 2005 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.CORBA; + +import gnu.CORBA.CDR.BufferedCdrOutput; +import gnu.CORBA.typecodes.AliasTypeCode; +import gnu.CORBA.typecodes.ArrayTypeCode; +import gnu.CORBA.typecodes.PrimitiveTypeCode; +import gnu.CORBA.typecodes.RecordTypeCode; +import gnu.CORBA.typecodes.StringTypeCode; + +import org.omg.CORBA.Any; +import org.omg.CORBA.BAD_PARAM; +import org.omg.CORBA.Context; +import org.omg.CORBA.ContextList; +import org.omg.CORBA.Environment; +import org.omg.CORBA.ExceptionList; +import org.omg.CORBA.NO_IMPLEMENT; +import org.omg.CORBA.NVList; +import org.omg.CORBA.NamedValue; +import org.omg.CORBA.ORB; +import org.omg.CORBA.ORBPackage.InvalidName; +import org.omg.CORBA.Request; +import org.omg.CORBA.StructMember; +import org.omg.CORBA.TCKind; +import org.omg.CORBA.TypeCode; +import org.omg.CORBA.TypeCodePackage.BadKind; +import org.omg.CORBA.UnionMember; +import org.omg.CORBA.portable.OutputStream; +import org.omg.CORBA.portable.ValueFactory; +import org.omg.PortableInterceptor.ClientRequestInterceptorOperations; +import org.omg.PortableInterceptor.IORInterceptor_3_0Operations; +import org.omg.PortableInterceptor.ServerRequestInterceptorOperations; + +import java.applet.Applet; + +import java.util.Hashtable; +import java.util.Properties; + +/** + * This class implements so-called Singleton ORB, a highly restricted version + * that cannot communicate over network. This ORB is provided for the + * potentially malicious applets with heavy security restrictions. It, however, + * supports some basic features that might be needed even when the network + * access is not granted. + * + * This ORB can only create typecodes, {@link Any}, {@link ContextList}, + * {@link NVList} and {@link org.omg.CORBA.portable.OutputStream} that writes to + * an internal buffer. + * + * All other methods throw the {@link NO_IMPLEMENT} exception. + * + * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) + */ +public class OrbRestricted extends org.omg.CORBA_2_3.ORB +{ + /** + * The singleton instance of this ORB. + */ + public static final ORB Singleton = new OrbRestricted(); + + /** + * The cumulated listener for all IOR interceptors. Interceptors are used by + * {@link gnu.CORBA.Poa.ORB_1_4}. + */ + public IORInterceptor_3_0Operations iIor; + + /** + * The cumulated listener for all server request interceptors. Interceptors + * are used by {@link gnu.CORBA.Poa.ORB_1_4}. + */ + public ServerRequestInterceptorOperations iServer; + + /** + * The cumulated listener for all client request interceptros. Interceptors + * are used by {@link gnu.CORBA.Poa.ORB_1_4}. + */ + public ClientRequestInterceptorOperations iClient; + + /** + * The required size of the interceptor slot array. + */ + public int icSlotSize = 0; + + /** + * The value factories. + */ + protected Hashtable factories = new Hashtable(); + + /** + * The policy factories. + */ + protected Hashtable policyFactories = new Hashtable(); + + /** + * Create a new instance of the RestrictedORB. This is used in derived classes + * only. + */ + protected OrbRestricted() + { + } + + /** {@inheritDoc} */ + public TypeCode create_alias_tc(String id, String name, TypeCode typecode) + { + return new AliasTypeCode(typecode, id, name); + } + + /** {@inheritDoc} */ + public Any create_any() + { + gnuAny any = new gnuAny(); + any.setOrb(this); + return any; + } + + /** {@inheritDoc} */ + public TypeCode create_array_tc(int length, TypeCode element_type) + { + ArrayTypeCode p = + new ArrayTypeCode(TCKind.tk_array, element_type); + p.setLength(length); + return p; + } + + /** {@inheritDoc} */ + public ContextList create_context_list() + { + return new gnuContextList(); + } + + /** {@inheritDoc} */ + public TypeCode create_enum_tc(String id, String name, String[] values) + { + RecordTypeCode r = new RecordTypeCode(TCKind.tk_enum); + for (int i = 0; i < values.length; i++) + { + r.field().name = values [ i ]; + } + + r.setId(id); + r.setName(name); + + return r; + } + + /** {@inheritDoc} */ + public Environment create_environment() + { + return new gnuEnvironment(); + } + + /** {@inheritDoc} */ + public ExceptionList create_exception_list() + { + return new gnuExceptionList(); + } + + /** {@inheritDoc} */ + public TypeCode create_exception_tc(String id, String name, + StructMember[] members + ) + { + RecordTypeCode r = new RecordTypeCode(TCKind.tk_except); + r.setId(id); + r.setName(name); + + for (int i = 0; i < members.length; i++) + { + r.add(members [ i ]); + } + + return r; + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + public TypeCode create_interface_tc(String id, String name) + { + no(); + return null; + } + + /** {@inheritDoc} */ + public NVList create_list(int count) + { + return new gnuNVList(count); + } + + /** {@inheritDoc} */ + public NamedValue create_named_value(String s, Any any, int flags) + { + return new gnuNamedValue(); + } + + /** {@inheritDoc} */ + public OutputStream create_output_stream() + { + BufferedCdrOutput stream = new BufferedCdrOutput(); + stream.setOrb(this); + return stream; + } + + /** {@inheritDoc} */ + public TypeCode create_sequence_tc(int bound, TypeCode element_type) + { + ArrayTypeCode p = + new ArrayTypeCode(TCKind.tk_sequence, element_type); + p.setLength(bound); + return p; + } + + /** {@inheritDoc} */ + public TypeCode create_string_tc(int bound) + { + StringTypeCode p = new StringTypeCode(TCKind.tk_string); + p.setLength(bound); + return p; + } + + /** {@inheritDoc} */ + public TypeCode create_struct_tc(String id, String name, + StructMember[] members + ) + { + RecordTypeCode r = new RecordTypeCode(TCKind.tk_struct); + r.setId(id); + r.setName(name); + + for (int i = 0; i < members.length; i++) + { + r.add(members [ i ]); + } + + return r; + } + + /** {@inheritDoc} */ + public TypeCode create_union_tc(String id, String name, + TypeCode discriminator_type, UnionMember[] members + ) + { + RecordTypeCode r = new RecordTypeCode(TCKind.tk_union); + r.setId(id); + r.setName(name); + r.setDiscriminator_type(discriminator_type); + r.setDefaultIndex(0); + + for (int i = 0; i < members.length; i++) + { + r.add(members [ i ]); + } + + return r; + } + + /** {@inheritDoc} */ + public TypeCode create_wstring_tc(int bound) + { + StringTypeCode p = new StringTypeCode(TCKind.tk_wstring); + p.setLength(bound); + return p; + } + + /** {@inheritDoc} */ + public TypeCode get_primitive_tc(TCKind tcKind) + { + try + { + return TypeKindNamer.getPrimitveTC(tcKind); + } + catch (BadKind ex) + { + throw new BAD_PARAM("This is not a primitive type code: " + + tcKind.value() + ); + } + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + public String[] list_initial_services() + { + no(); + throw new InternalError(); + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + public String object_to_string(org.omg.CORBA.Object forObject) + { + no(); + throw new InternalError(); + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws InvalidName never in this class, but it is thrown in the derived + * classes. + * + * @throws NO_IMPLEMENT, always. + */ + public org.omg.CORBA.Object resolve_initial_references(String name) + throws InvalidName + { + no(); + throw new InternalError(); + } + + /** + * Shutdown the ORB server. + * + * For RestrictedORB, returns witout action. + */ + public void run() + { + } + + /** + * Shutdown the ORB server. + * + * For RestrictedORB, returns witout action. + */ + public void shutdown(boolean wait_for_completion) + { + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + public org.omg.CORBA.Object string_to_object(String IOR) + { + no(); + throw new InternalError(); + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + protected void set_parameters(Applet app, Properties props) + { + no(); + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + protected void set_parameters(String[] args, Properties props) + { + no(); + } + + /** + * Throws an exception, stating that the given method is not supported by the + * Restricted ORB. + */ + private final void no() + { + // Apart the programming errors, this can only happen if the + // malicious code is trying to do that it is not allowed. + throw new NO_IMPLEMENT("Use init(args, props) for the functional version."); + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + public Request get_next_response() throws org.omg.CORBA.WrongTransaction + { + no(); + throw new InternalError(); + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + public boolean poll_next_response() + { + no(); + throw new InternalError(); + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + public void send_multiple_requests_deferred(Request[] requests) + { + no(); + } + + /** + * This method is not allowed for a RestrictedORB. + * + * @throws NO_IMPLEMENT, always. + */ + public void send_multiple_requests_oneway(Request[] requests) + { + no(); + } + + /** + * Register the value factory under the given repository id. + */ + public ValueFactory register_value_factory(String repository_id, + ValueFactory factory + ) + { + factories.put(repository_id, factory); + return factory; + } + + /** + * Unregister the value factroy. + */ + public void unregister_value_factory(String id) + { + factories.remove(id); + } + + /** + * Look for the value factory for the value, having the given repository id. + * The implementation checks for the registered value factories first. If none + * found, it tries to load and instantiate the class, mathing the given naming + * convention. If this faild, null is returned. + * + * @param repository_id a repository id. + * + * @return a found value factory, null if none. + */ + public ValueFactory lookup_value_factory(String repository_id) + { + ValueFactory f = (ValueFactory) factories.get(repository_id); + if (f != null) + { + return f; + } + + f = (ValueFactory) ObjectCreator.createObject(repository_id, + "DefaultFactory" + ); + if (f != null) + { + factories.put(repository_id, f); + } + return f; + } + + /** + * Destroy the interceptors, if they are present. + */ + public void destroy() + { + if (iIor != null) + { + iIor.destroy(); + iIor = null; + } + + if (iServer != null) + { + iServer.destroy(); + iServer = null; + } + + if (iClient != null) + { + iClient.destroy(); + iClient = null; + } + + super.destroy(); + } + + /** + * Create a typecode, representing a tree-like structure. + * This structure contains a member that is a sequence of the same type, + * as the structure itself. You can imagine as if the folder definition + * contains a variable-length array of the enclosed (nested) folder + * definitions. In this way, it is possible to have a tree like + * structure that can be transferred via CORBA CDR stream. + * + * @deprecated It is easier and clearler to use a combination of + * create_recursive_tc and create_sequence_tc instead. + * + * @param bound the maximal expected number of the nested components + * on each node; 0 if not limited. + * + * @param offset the position of the field in the returned structure + * that contains the sequence of the structures of the same field. + * The members before this field are intialised using parameterless + * StructMember constructor. + * + * @return a typecode, defining a stucture, where a member at the + * <code>offset</code> position defines an array of the identical + * structures. + * + * @see #create_recursive_tc(String) + * @see #create_sequence_tc(int, TypeCode) + */ + public TypeCode create_recursive_sequence_tc(int bound, int offset) + { + RecordTypeCode r = new RecordTypeCode(TCKind.tk_struct); + for (int i = 0; i < offset; i++) + r.add(new StructMember()); + + TypeCode recurs = new PrimitiveTypeCode(TCKind.tk_sequence); + + r.add(new StructMember("", recurs, null)); + return r; + } + + /** + * Get the default context of this ORB. This is an initial root of all + * contexts. + * + * The default method returns a new context with the empty name and + * no parent context. + * + * @return the default context of this ORB. + */ + public Context get_default_context() + { + return new gnuContext("", null); + } + +}
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