--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/corba/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.
+ * <p>
+ * 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;
+ }
+}