1 files changed, 149 insertions, 0 deletions
diff --git a/src/share/classes/sun/rmi/rmic/newrmic/jrmp/Util.java b/src/share/classes/sun/rmi/rmic/newrmic/jrmp/Util.java
new file mode 100644
index 000000000..a5e5f6926
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+++ b/src/share/classes/sun/rmi/rmic/newrmic/jrmp/Util.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright 2003 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.
+ */
+
+package sun.rmi.rmic.newrmic.jrmp;
+
+import com.sun.javadoc.ClassDoc;
+import com.sun.javadoc.MethodDoc;
+import com.sun.javadoc.Parameter;
+import com.sun.javadoc.Type;
+
+/**
+ * Provides static utility methods.
+ *
+ * WARNING: The contents of this source file are not part of any
+ * supported API.  Code that depends on them does so at its own risk:
+ * they are subject to change or removal without notice.
+ *
+ * @author Peter Jones
+ **/
+final class Util {
+
+    private Util() { throw new AssertionError(); }
+
+    /**
+     * Returns the binary name of the class or interface represented
+     * by the specified ClassDoc.
+     **/
+    static String binaryNameOf(ClassDoc cl) {
+        String flat = cl.name().replace('.', '$');
+        String packageName = cl.containingPackage().name();
+        return packageName.equals("") ? flat : packageName + "." + flat;
+    }
+
+    /**
+     * Returns the method descriptor for the specified method.
+     *
+     * See section 4.3.3 of The Java Virtual Machine Specification
+     * Second Edition for the definition of a "method descriptor".
+     **/
+    static String methodDescriptorOf(MethodDoc method) {
+        String desc = "(";
+        Parameter[] parameters = method.parameters();
+        for (int i = 0; i < parameters.length; i++) {
+            desc += typeDescriptorOf(parameters[i].type());
+        }
+        desc += ")" + typeDescriptorOf(method.returnType());
+        return desc;
+    }
+
+    /**
+     * Returns the descriptor for the specified type, as appropriate
+     * for either a parameter or return type in a method descriptor.
+     **/
+    private static String typeDescriptorOf(Type type) {
+        String desc;
+        ClassDoc classDoc = type.asClassDoc();
+        if (classDoc == null) {
+            /*
+             * Handle primitive types.
+             */
+            String name = type.typeName();
+            if (name.equals("boolean")) {
+                desc = "Z";
+            } else if (name.equals("byte")) {
+                desc = "B";
+            } else if (name.equals("char")) {
+                desc = "C";
+            } else if (name.equals("short")) {
+                desc = "S";
+            } else if (name.equals("int")) {
+                desc = "I";
+            } else if (name.equals("long")) {
+                desc = "J";
+            } else if (name.equals("float")) {
+                desc = "F";
+            } else if (name.equals("double")) {
+                desc = "D";
+            } else if (name.equals("void")) {
+                desc = "V";
+            } else {
+                throw new AssertionError(
+                    "unrecognized primitive type: " + name);
+            }
+        } else {
+            /*
+             * Handle non-array reference types.
+             */
+            desc = "L" + binaryNameOf(classDoc).replace('.', '/') + ";";
+        }
+
+        /*
+         * Handle array types.
+         */
+        int dimensions = type.dimension().length() / 2;
+        for (int i = 0; i < dimensions; i++) {
+            desc = "[" + desc;
+        }
+
+        return desc;
+    }
+
+    /**
+     * Returns a reader-friendly string representation of the
+     * specified method's signature.  Names of reference types are not
+     * package-qualified.
+     **/
+    static String getFriendlyUnqualifiedSignature(MethodDoc method) {
+        String sig = method.name() + "(";
+        Parameter[] parameters = method.parameters();
+        for (int i = 0; i < parameters.length; i++) {
+            if (i > 0) {
+                sig += ", ";
+            }
+            Type paramType = parameters[i].type();
+            sig += paramType.typeName() + paramType.dimension();
+        }
+        sig += ")";
+        return sig;
+    }
+
+    /**
+     * Returns true if the specified type is void.
+     **/
+    static boolean isVoid(Type type) {
+        return type.asClassDoc() == null && type.typeName().equals("void");
+    }
+}