--- /dev/null
+/* Signature.java -- utility class to compute class and method signatures
+ Copyright (C) 2005 Free Software Foundation
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.classpath.jdwp.util;
+
+import java.lang.reflect.Method;
+
+/**
+ * A class to compute class and method signatures.
+ *
+ * @author Tom Tromey (tromey@redhat.com)
+ * @author Keith Seitz (keiths@redhat.com)
+ */
+public class Signature
+{
+ /**
+ * Computes the class signature, i.e., java.lang.String.class
+ * returns "Ljava/lang/String;".
+ *
+ * @param theClass the class for which to compute the signature
+ * @return the class's type signature
+ */
+ public static String computeClassSignature (Class theClass)
+ {
+ StringBuffer sb = new StringBuffer ();
+ _addToSignature (sb, theClass);
+ return sb.toString ();
+ }
+
+ /**
+ * Computes the method signature, i.e., java.lang.String.split (String, int)
+ * returns "(Ljava/lang/String;I)[Ljava/lang/String;"
+ *
+ * @param method the method for which to compute the signature
+ * @return the method's type signature
+ */
+ public static String computeMethodSignature (Method method)
+ {
+ return _computeSignature (method.getReturnType (),
+ method.getParameterTypes ());
+ }
+
+ private static String _computeSignature (Class returnType,
+ Class[] paramTypes)
+ {
+ StringBuffer sb = new StringBuffer ("(");
+ if (paramTypes != null)
+ {
+ for (int i = 0; i < paramTypes.length; ++i)
+ _addToSignature (sb, paramTypes[i]);
+ }
+ sb.append (")");
+ _addToSignature (sb, returnType);
+ return sb.toString();
+ }
+
+ private static void _addToSignature (StringBuffer sb, Class k)
+ {
+ // For some reason there's no easy way to get the signature of a
+ // class.
+ if (k.isPrimitive ())
+ {
+ if (k == void.class)
+ sb.append('V');
+ else if (k == boolean.class)
+ sb.append('Z');
+ else if (k == byte.class)
+ sb.append('B');
+ else if (k == char.class)
+ sb.append('C');
+ else if (k == short.class)
+ sb.append('S');
+ else if (k == int.class)
+ sb.append('I');
+ else if (k == float.class)
+ sb.append('F');
+ else if (k == double.class)
+ sb.append('D');
+ else if (k == long.class)
+ sb.append('J');
+ return;
+ }
+
+ String name = k.getName ();
+ int len = name.length ();
+ sb.ensureCapacity (len);
+ if (! k.isArray ())
+ sb.append('L');
+ for (int i = 0; i < len; ++i)
+ {
+ char c = name.charAt (i);
+ if (c == '.')
+ c = '/';
+ sb.append (c);
+ }
+ if (! k.isArray ())
+ sb.append(';');
+ }
+}