/* * Copyright (c) 1999, 2001, 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. */ /* * COMPONENT_NAME: idl.toJava * * ORIGINS: 27 * * Licensed Materials - Property of IBM * 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999 * RMI-IIOP v1.0 * */ package com.sun.tools.corba.se.idl.toJavaPortable; // NOTES: // - Think about arrays (and sequences?) as members // - A sequence must be converted to an array, but a memory of the // max size must be retained. // - After demarshalling an IOR, think about how to deal with the exceptions. // - The demarshall method should be throwing a ClientException, // but should it, really? // -D60929 <klr> Update for RTF2.4 changes // -D61056 <klr> Use Util.helperName // -D62023 <klr> Use corbaLevel in read/write generation // -D59437 <daz> Modify read() to enit qualified name of value box helper. import java.io.File; import java.io.PrintWriter; import java.util.Enumeration; import java.util.Hashtable; import java.util.Vector; import com.sun.tools.corba.se.idl.GenFileStream; import com.sun.tools.corba.se.idl.EnumEntry; import com.sun.tools.corba.se.idl.InterfaceEntry; import com.sun.tools.corba.se.idl.PrimitiveEntry; import com.sun.tools.corba.se.idl.SequenceEntry; import com.sun.tools.corba.se.idl.StringEntry; import com.sun.tools.corba.se.idl.StructEntry; import com.sun.tools.corba.se.idl.SymtabEntry; import com.sun.tools.corba.se.idl.TypedefEntry; import com.sun.tools.corba.se.idl.ValueEntry; import com.sun.tools.corba.se.idl.ValueBoxEntry; import com.sun.tools.corba.se.idl.InterfaceState; /** * **/ public class StructGen implements com.sun.tools.corba.se.idl.StructGen, JavaGenerator { /** * Public zero-argument constructor. **/ public StructGen () { } // ctor /** * Constructor for ExceptionGen. **/ protected StructGen (boolean exception) { thisIsReallyAnException = exception; } // ctor /** * **/ public void generate (Hashtable symbolTable, StructEntry s, PrintWriter str) { this.symbolTable = symbolTable; this.s = s; //init (); openStream (); if (stream == null) return; generateHelper (); generateHolder (); writeHeading (); writeBody (); writeClosing (); closeStream (); generateContainedTypes (); } // generate /** * Initialize members unique to this generator. **/ protected void init () { } // init /** * **/ protected void openStream () { stream = Util.stream (s, ".java"); } // openStream /** * **/ protected void generateHelper () { ((Factories)Compile.compiler.factories ()).helper ().generate (symbolTable, s); } // generateHelper /** * **/ protected void generateHolder () { ((Factories)Compile.compiler.factories ()).holder ().generate (symbolTable, s); } // generateHolder /** * **/ protected void writeHeading () { Util.writePackage (stream, s); Util.writeProlog (stream, ((GenFileStream)stream).name ()); if (s.comment () != null) s.comment ().generate ("", stream); stream.print ("public final class " + s.name ()); if (thisIsReallyAnException) stream.print (" extends org.omg.CORBA.UserException"); else stream.print(" implements org.omg.CORBA.portable.IDLEntity"); stream.println (); stream.println ("{"); } // writeHeading /** * **/ protected void writeBody () { writeMembers (); writeCtors (); } // writeBody /** * **/ protected void writeClosing () { stream.println ("} // class " + s.name ()); } // writeClosing /** * **/ protected void closeStream () { stream.close (); } // closeStream /** * **/ protected void generateContainedTypes () { // Generate all of the contained types Enumeration e = s.contained ().elements (); while (e.hasMoreElements ()) { SymtabEntry entry = (SymtabEntry)e.nextElement (); // Don't generate contained entries if they are sequences. // Sequences are unnamed and since they translate to arrays, // no classes are generated for them, not even holders in this // case since they cannot be accessed outside of this struct. if (!(entry instanceof SequenceEntry)) entry.generate (symbolTable, stream); } } // generateContainedTypes /** * **/ protected void writeMembers () { // Write members and populate quality arrays int size = s.members ().size (); memberIsPrimitive = new boolean [size]; memberIsInterface = new boolean [size]; memberIsTypedef = new boolean [size]; for (int i = 0; i < s.members ().size (); ++i) { SymtabEntry member = (SymtabEntry)s.members ().elementAt (i); memberIsPrimitive[i] = member.type () instanceof PrimitiveEntry; memberIsInterface[i] = member.type () instanceof InterfaceEntry; memberIsTypedef[i] = member.type () instanceof TypedefEntry; Util.fillInfo (member); // Transfer member comment to target <31jul1997>. if (member.comment () != null) member.comment ().generate (" ", stream); Util.writeInitializer (" public ", member.name (), "", member, stream); } } // writeMembers /** * **/ protected void writeCtors () { // Write default ctor stream.println (); stream.println (" public " + s.name () + " ()"); stream.println (" {"); // fixed mapping for exceptions if (thisIsReallyAnException) stream.println (" super(" + s.name() + "Helper.id());"); stream.println (" } // ctor"); writeInitializationCtor(true); if (thisIsReallyAnException) { // for exception according to mapping we should always // have a full constructor writeInitializationCtor(false); } } private void writeInitializationCtor(boolean init) { // Write initialization ctor if (!init || (s.members ().size () > 0)) { stream.println (); stream.print (" public " + s.name () + " ("); boolean firstTime = true; if (!init) { stream.print ("String $reason"); firstTime = false; } for (int i = 0; i < s.members ().size (); ++i) { SymtabEntry member = (SymtabEntry)s.members ().elementAt (i); if (firstTime) firstTime = false; else stream.print (", "); stream.print (Util.javaName (member) + " _" + member.name ()); } stream.println (")"); stream.println (" {"); // fixed mapping for exceptions if (thisIsReallyAnException) { if (init) stream.println (" super(" + s.name() + "Helper.id());"); else stream.println (" super(" + s.name() + "Helper.id() + \" \" + $reason);"); } for (int i = 0; i < s.members ().size (); ++i) { SymtabEntry member = (SymtabEntry)s.members ().elementAt (i); stream.println (" " + member.name () + " = _" + member.name () + ";"); } stream.println (" } // ctor"); } stream.println (); } // writeInitializationCtor /////////////// // From JavaGenerator public int helperType (int index, String indent, TCOffsets tcoffsets, String name, SymtabEntry entry, PrintWriter stream) { TCOffsets innerOffsets = new TCOffsets (); innerOffsets.set (entry); int offsetForStruct = innerOffsets.currentOffset (); StructEntry s = (StructEntry)entry; String membersName = "_members" + index++; stream.println (indent + "org.omg.CORBA.StructMember[] " + membersName + " = new org.omg.CORBA.StructMember [" + s.members ().size () + "];"); String tcOfMembers = "_tcOf" + membersName; stream.println (indent + "org.omg.CORBA.TypeCode " + tcOfMembers + " = null;"); for (int i = 0; i < s.members ().size (); ++i) { TypedefEntry member = (TypedefEntry)s.members ().elementAt (i); String memberName = member.name (); // Generate and assign member TypeCode to tcofMembers index = ((JavaGenerator)member.generator ()).type (index, indent, innerOffsets, tcOfMembers, member, stream); stream.println (indent + membersName + '[' + i + "] = new org.omg.CORBA.StructMember ("); stream.println (indent + " \"" + Util.stripLeadingUnderscores (memberName) + "\","); stream.println (indent + " " + tcOfMembers + ','); stream.println (indent + " null);"); int offsetSoFar = innerOffsets.currentOffset (); innerOffsets = new TCOffsets (); innerOffsets.set (entry); innerOffsets.bumpCurrentOffset (offsetSoFar - offsetForStruct); } tcoffsets.bumpCurrentOffset (innerOffsets.currentOffset ()); // <54697> //stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_struct_tc (id (), \"" + Util.stripLeadingUnderscores (entry.name ()) + "\", " + membersName + ");"); stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_" + (thisIsReallyAnException ? "exception" : "struct") + "_tc (" + Util.helperName (s, true) + ".id (), \"" + Util.stripLeadingUnderscores (entry.name ()) + "\", " + membersName + ");"); // <d61056> return index; } // helperType public int type (int index, String indent, TCOffsets tcoffsets, String name, SymtabEntry entry, PrintWriter stream) { stream.println (indent + name + " = " + Util.helperName (entry, true) + ".type ();"); // <d61056> return index; } // type public void helperRead (String entryName, SymtabEntry entry, PrintWriter stream) { stream.println (" " + entryName + " value = new " + entryName + " ();"); read (0, " ", "value", entry, stream); stream.println (" return value;"); } // helperRead public int read (int index, String indent, String name, SymtabEntry entry, PrintWriter stream) { if (thisIsReallyAnException) { stream.println (indent + "// read and discard the repository ID"); stream.println (indent + "istream.read_string ();"); } Enumeration e = ((StructEntry)entry).members ().elements (); while (e.hasMoreElements ()) { TypedefEntry member = (TypedefEntry)e.nextElement (); SymtabEntry mType = member.type (); if (!member.arrayInfo ().isEmpty () || mType instanceof SequenceEntry || mType instanceof PrimitiveEntry || mType instanceof StringEntry || mType instanceof TypedefEntry) index = ((JavaGenerator)member.generator ()).read (index, indent, name + '.' + member.name (), member, stream); else if (mType instanceof ValueBoxEntry) { // call read_value instead of Helper.read for the value Vector st = ((ValueBoxEntry) mType).state (); TypedefEntry vbMember = ((InterfaceState) st.elementAt (0)).entry; SymtabEntry vbType = vbMember.type (); String jName = null; String jHelper = null; if (vbType instanceof SequenceEntry || vbType instanceof StringEntry || !vbMember.arrayInfo ().isEmpty ()) { jName = Util.javaName (vbType); // name of mapped Java type // <d59437> REVISIT. Typename info. now correct for value boxes, so // these two cases may be obsolete. See UnionGen.read(). //jHelper = Util.helperName (vbType, false); // <d61056> jHelper = Util.helperName (mType, true); } else { jName = Util.javaName (mType); // name of mapped Java class // <d59437> //jHelper = Util.helperName (mType, false); // <d61056> jHelper = Util.helperName (mType, true); } // <d62023> Call xHelper.read() for valueboxes for RTF2.4 if (Util.corbaLevel (2.4f, 99.0f)) stream.println (indent + name + '.' + member.name () + " = (" + jName + ") " + jHelper + ".read (istream);"); else stream.println (indent + name + '.' + member.name () + " = (" + jName + ") ((org.omg.CORBA_2_3.portable.InputStream)istream).read_value (" + jHelper + ".get_instance ());"); // <d60929> <d61056> } // <d62023-klr> for corbaLevel 2.4 and up, use Helper.read like // everything else else if ((mType instanceof ValueEntry) && !Util.corbaLevel (2.4f, 99.0f)) // <d62023> { // call read_value instead of Helper.read for the value stream.println (indent + name + '.' + member.name () + " = (" + Util.javaName (mType) + ") ((org.omg.CORBA_2_3.portable.InputStream)istream).read_value (" + Util.helperName (mType, false) + ".get_instance ());"); // <d60929> // <d61056> } else stream.println (indent + name + '.' + member.name () + " = " + Util.helperName (member.type (), true) + ".read (istream);"); // <d61056> } return index; } // read public void helperWrite (SymtabEntry entry, PrintWriter stream) { write (0, " ", "value", entry, stream); } // helperWrite public int write (int index, String indent, String name, SymtabEntry entry, PrintWriter stream) { if (thisIsReallyAnException) { stream.println (indent + "// write the repository ID"); stream.println (indent + "ostream.write_string (id ());"); } Vector members = ((StructEntry)entry).members (); for (int i = 0; i < members.size (); ++i) { TypedefEntry member = (TypedefEntry)members.elementAt (i); SymtabEntry mType = member.type (); if (!member.arrayInfo ().isEmpty () || mType instanceof SequenceEntry || mType instanceof TypedefEntry || mType instanceof PrimitiveEntry || mType instanceof StringEntry) index = ((JavaGenerator)member.generator ()).write (index, " ", name + '.' + member.name (), member, stream); // <d62023-klr> for corbaLevel 2.4 and up, use Helper.write like // everything else else if ((mType instanceof ValueEntry || mType instanceof ValueBoxEntry) && !Util.corbaLevel (2.4f, 99.0f)) { // <d62023> stream.println (indent + "((org.omg.CORBA_2_3.portable.OutputStream)ostream).write_value ((java.io.Serializable) " // <d60929> + name + '.' + member.name () + ", " + Util.helperName (member.type (), true) // <d61056> + ".get_instance ());"); // <d61056> } else stream.println (indent + Util.helperName (member.type (), true) + ".write (ostream, " + name + '.' + member.name () + ");"); // <d61056> } return index; } // write // From JavaGenerator /////////////// protected Hashtable symbolTable = null; protected StructEntry s = null; protected PrintWriter stream = null; protected boolean thisIsReallyAnException = false; private boolean[] memberIsPrimitive; private boolean[] memberIsInterface; private boolean[] memberIsTypedef; } // class StructGen