diff -r 000000000000 -r 55540e827aef src/share/classes/sun/rmi/rmic/iiop/ImplementationType.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/sun/rmi/rmic/iiop/ImplementationType.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,292 @@ +/* + * 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.ClassNotFound; +import sun.tools.java.ClassDefinition; +import sun.tools.java.MemberDefinition; + +/** + * ImplementationType represents any non-special class which implements + * one or more interfaces which inherit from java.rmi.Remote. + *

+ * The static forImplementation(...) method must be used to obtain an instance, + * and will return null if the ClassDefinition is non-conforming. + * + * @author Bryan Atsatt + */ +public class ImplementationType extends ClassType { + + //_____________________________________________________________________ + // Public Interfaces + //_____________________________________________________________________ + + /** + * Create an ImplementationType 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 ImplementationType forImplementation(ClassDefinition classDef, + ContextStack stack, + boolean quiet) { + if (stack.anyErrors()) return null; + + boolean doPop = false; + ImplementationType 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 ImplementationType)) return null; // False hit. + + // Yep, so return it... + + return (ImplementationType) existing; + + } + + // Could this be an implementation? + + if (couldBeImplementation(quiet,stack,classDef)) { + + // Yes, so check it... + + ImplementationType it = new ImplementationType(stack, classDef); + putType(theType,it,stack); + stack.push(it); + doPop = true; + + if (it.initialize(stack,quiet)) { + 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 "Implementation"; + } + + + //_____________________________________________________________________ + // Internal Interfaces + //_____________________________________________________________________ + + /** + * Create a ImplementationType instance for the given class. The resulting + * object is not yet completely initialized. + */ + private ImplementationType(ContextStack stack, ClassDefinition classDef) { + super(TYPE_IMPLEMENTATION | TM_CLASS | TM_COMPOUND,classDef,stack); // Use special constructor. + } + + + private static boolean couldBeImplementation(boolean quiet, ContextStack stack, + ClassDefinition classDef) { + boolean result = false; + BatchEnvironment env = stack.getEnv(); + + try { + if (!classDef.isClass()) { + failedConstraint(17,quiet,stack,classDef.getName()); + } else { + result = env.defRemote.implementedBy(env, classDef.getClassDeclaration()); + if (!result) failedConstraint(8,quiet,stack,classDef.getName()); + } + } catch (ClassNotFound e) { + classNotFound(stack,e); + } + + return result; + } + + + /** + * Initialize this instance. + */ + private boolean initialize (ContextStack stack, boolean quiet) { + + boolean result = false; + ClassDefinition theClass = getClassDefinition(); + + if (initParents(stack)) { + + // Make up our collections... + + Vector directInterfaces = new Vector(); + Vector directMethods = new Vector(); + + // Check interfaces... + + try { + if (addRemoteInterfaces(directInterfaces,true,stack) != null) { + + boolean haveRemote = false; + + // Get methods from all interfaces... + + for (int i = 0; i < directInterfaces.size(); i++) { + InterfaceType theInt = (InterfaceType) directInterfaces.elementAt(i); + if (theInt.isType(TYPE_REMOTE) || + theInt.isType(TYPE_JAVA_RMI_REMOTE)) { + haveRemote = true; + } + + copyRemoteMethods(theInt,directMethods); + } + + // Make sure we have at least one remote interface... + + if (!haveRemote) { + failedConstraint(8,quiet,stack,getQualifiedName()); + return false; + } + + // Now check the methods to ensure we have the + // correct throws clauses... + + if (checkMethods(theClass,directMethods,stack,quiet)) { + + // We're ok, so pass 'em up... + + result = initialize(directInterfaces,directMethods,null,stack,quiet); + } + } + } catch (ClassNotFound e) { + classNotFound(stack,e); + } + } + + return result; + } + + private static void copyRemoteMethods(InterfaceType type, Vector list) { + + if (type.isType(TYPE_REMOTE)) { + + // Copy all the unique methods from type... + + Method[] allMethods = type.getMethods(); + + for (int i = 0; i < allMethods.length; i++) { + Method theMethod = allMethods[i]; + + if (!list.contains(theMethod)) { + list.addElement(theMethod); + } + } + + // Now recurse thru all inherited interfaces... + + InterfaceType[] allInterfaces = type.getInterfaces(); + + for (int i = 0; i < allInterfaces.length; i++) { + copyRemoteMethods(allInterfaces[i],list); + } + } + } + + // Walk all methods of the class, and for each that is already in + // the list, call setImplExceptions()... + + private boolean checkMethods(ClassDefinition theClass, Vector list, + ContextStack stack, boolean quiet) { + + // Convert vector to array... + + Method[] methods = new Method[list.size()]; + list.copyInto(methods); + + for (MemberDefinition member = theClass.getFirstMember(); + member != null; + member = member.getNextMember()) { + + if (member.isMethod() && !member.isConstructor() + && !member.isInitializer()) { + + // It's a method... + + if (!updateExceptions(member,methods,stack,quiet)) { + return false; + } + } + } + return true; + } + + private boolean updateExceptions (MemberDefinition implMethod, Method[] list, + ContextStack stack, boolean quiet) { + int length = list.length; + String implMethodSig = implMethod.toString(); + + for (int i = 0; i < length; i++) { + Method existingMethod = list[i]; + MemberDefinition existing = existingMethod.getMemberDefinition(); + + // Do we have a matching method? + + if (implMethodSig.equals(existing.toString())) { + + // Yes, so create exception list... + + try { + ValueType[] implExcept = getMethodExceptions(implMethod,quiet,stack); + existingMethod.setImplExceptions(implExcept); + } catch (Exception e) { + return false; + } + } + } + return true; + } +}