diff -r 000000000000 -r 55540e827aef src/share/classes/sun/rmi/rmic/iiop/RemoteType.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/sun/rmi/rmic/iiop/RemoteType.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,251 @@ +/* + * Portions Copyright 1998-2007 Sun Microsystems, Inc. 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. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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 sun.rmi.rmic.iiop; + +import java.util.Vector; +import sun.tools.java.CompilerError; +import sun.tools.java.ClassDefinition; +import sun.tools.java.ClassNotFound; + +/** + * RemoteType represents any non-special interface which inherits + * from java.rmi.Remote. + *

+ * The static forRemote(...) method must be used to obtain an instance, and will + * return null if the ClassDefinition is non-conforming. + * @author Bryan Atsatt + */ +public class RemoteType extends InterfaceType { + + //_____________________________________________________________________ + // Public Interfaces + //_____________________________________________________________________ + + /** + * Create an RemoteType for the given class. + * + * If the class is not a properly formed or if some other error occurs, the + * return value will be null, and errors will have been reported to the + * supplied BatchEnvironment. + */ + public static RemoteType forRemote(ClassDefinition classDef, + ContextStack stack, + boolean quiet) { + + if (stack.anyErrors()) return null; + + boolean doPop = false; + RemoteType result = null; + + try { + // Do we already have it? + + sun.tools.java.Type theType = classDef.getType(); + Type existing = getType(theType,stack); + + if (existing != null) { + + if (!(existing instanceof RemoteType)) return null; // False hit. + + // Yep, so return it... + + return (RemoteType) existing; + } + + // Could this be a remote type? + + if (couldBeRemote(quiet,stack,classDef)) { + + // Yes, so check it... + + RemoteType it = new RemoteType(stack,classDef); + putType(theType,it,stack); + stack.push(it); + doPop = true; + + if (it.initialize(quiet,stack)) { + stack.pop(true); + result = it; + } else { + removeType(theType,stack); + stack.pop(false); + } + } + } catch (CompilerError e) { + if (doPop) stack.pop(false); + } + + return result; + } + + /** + * Return a string describing this type. + */ + public String getTypeDescription () { + return "Remote interface"; + } + + //_____________________________________________________________________ + // Internal/Subclass Interfaces + //_____________________________________________________________________ + + /** + * Create a RemoteType instance for the given class. The resulting + * object is not yet completely initialized. + */ + protected RemoteType(ContextStack stack, ClassDefinition classDef) { + super(stack,classDef,TYPE_REMOTE | TM_INTERFACE | TM_COMPOUND); + } + + /** + * Create a RemoteType instance for the given class. The resulting + * object is not yet completely initialized. + */ + protected RemoteType(ContextStack stack, ClassDefinition classDef, int typeCode) { + super(stack,classDef,typeCode); + } + + //_____________________________________________________________________ + // Internal Interfaces + //_____________________________________________________________________ + + + private static boolean couldBeRemote (boolean quiet, ContextStack stack, + ClassDefinition classDef) { + + boolean result = false; + BatchEnvironment env = stack.getEnv(); + + try { + if (!classDef.isInterface()) { + failedConstraint(16,quiet,stack,classDef.getName()); + } else { + result = env.defRemote.implementedBy(env,classDef.getClassDeclaration()); + if (!result) failedConstraint(1,quiet,stack,classDef.getName()); + } + } catch (ClassNotFound e) { + classNotFound(stack,e); + } + + return result; + } + + + /** + * Initialize this instance. + */ + private boolean initialize (boolean quiet,ContextStack stack) { + + boolean result = false; + + // Go check it out and gather up the info we need... + + Vector directInterfaces = new Vector(); + Vector directMethods = new Vector(); + Vector directConstants = new Vector(); + + if (isConformingRemoteInterface(directInterfaces, + directMethods, + directConstants, + quiet, + stack)){ + + // We're ok, so pass 'em up... + + result = initialize(directInterfaces,directMethods,directConstants,stack,quiet); + } + + return result; + } + + /** + * Check to ensure that the interface and all it's methods and arguments + * conforms to the RMI/IDL java subset for remote interfaces as defined + * by the "Java to IDL Mapping" specification, section 4. + * @param directInterfaces All directly implmented interfaces will be + * added to this list. + * @param directMethods All directly implemented methods (other than + * constructors and initializers) will be added to this list. + * @param directConstants All constants defined by theInterface will be + * added to this list. + * @param quiet True if should not report constraint failures. + * @return true if constraints satisfied, false otherwise. + */ + private boolean isConformingRemoteInterface ( Vector directInterfaces, + Vector directMethods, + Vector directConstants, + boolean quiet, + ContextStack stack) { + + ClassDefinition theInterface = getClassDefinition(); + + try { + + // Get all remote interfaces... + + if (addRemoteInterfaces(directInterfaces,false,stack) == null ) { + return false; + } + + // Make sure all constants are conforming... + + if (!addAllMembers(directConstants,true,quiet,stack)) { + return false; + } + + // Now, collect up all methods... + + if (addAllMethods(theInterface,directMethods,true,quiet,stack) == null) { + // Failed a constraint check... + return false; + } + + // Now walk 'em, ensuring each is a valid remote method... + + boolean methodsConform = true; + for (int i = 0; i < directMethods.size(); i++) { + if (! isConformingRemoteMethod((Method) directMethods.elementAt(i),quiet)) { + methodsConform = false; + } + } + if (!methodsConform) { + return false; + } + } catch (ClassNotFound e) { + classNotFound(stack,e); + return false; + } + + return true; + } +}