--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/core/src/main/java/com/redhat/thermostat/common/utils/DescriptorConverter.java	Tue Jun 19 19:33:50 2012 -0400
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2012 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat 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.
+ *
+ * Thermostat 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 Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code 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 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 code.  If you modify
+ * this code, 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 com.redhat.thermostat.common.utils;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * The JVM uses internal names for classes and fields (like "<code>[I</code>").
+ * This class helps to decode them.
+ */
+public class DescriptorConverter {
+
+    private static final Map<Character, String> lookupTable = new HashMap<>();
+
+    static {
+        lookupTable.put('Z', "boolean");
+        lookupTable.put('B', "byte");
+        lookupTable.put('C', "char");
+        lookupTable.put('S', "short");
+        lookupTable.put('I', "int");
+        lookupTable.put('J', "long");
+        lookupTable.put('F', "float");
+        lookupTable.put('D', "double");
+    }
+
+    public static String toJavaType(String fieldDescriptor) {
+        StringBuilder result = new StringBuilder();
+
+        int arrayDimensions = 0;
+        int lastLocation = 0;
+        int i = -1;
+        while ((i = fieldDescriptor.indexOf('[', lastLocation)) != -1) {
+            arrayDimensions++;
+            lastLocation = i + 1;
+        }
+
+        char indicator = fieldDescriptor.charAt(lastLocation);
+
+        if (lookupTable.get(indicator) != null) {
+            result.append(lookupTable.get(indicator));
+        } else if (indicator == 'L') {
+            result.append(fieldDescriptor.substring(lastLocation + 1, fieldDescriptor.length() - 1));
+        } else {
+            result.append(fieldDescriptor);
+        }
+        result.append(StringUtils.repeat("[]", arrayDimensions));
+
+        return result.toString();
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/core/src/test/java/com/redhat/thermostat/common/utils/DescriptorConverterTest.java	Tue Jun 19 19:33:50 2012 -0400
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2012 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat 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.
+ *
+ * Thermostat 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 Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code 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 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 code.  If you modify
+ * this code, 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 com.redhat.thermostat.common.utils;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+
+public class DescriptorConverterTest {
+
+    @Test
+    public void testConverter() {
+        check("boolean", "Z");
+        check("boolean[]", "[Z");
+        check("char", "C");
+        check("char[]", "[C");
+        check("int[]", "[I");
+        check("int[][]", "[[I");
+        check("double[][][]", "[[[D");
+
+        check("java.lang.String", "java.lang.String");
+        check("java.util.ArrayList", "java.util.ArrayList");
+        check("java.util.HashMap$Entry", "java.util.HashMap$Entry");
+
+        check("java.lang.Object[]", "[Ljava.lang.Object;");
+        check("java.lang.String[]", "[Ljava.lang.String;");
+        check("java.util.HashMap$Entry[]", "[Ljava.util.HashMap$Entry;");
+
+        check("<methodKlass>", "<methodKlass>");
+    }
+
+    private static void check(String expected, String input) {
+        String result = DescriptorConverter.toJavaType(input);
+        assertEquals(expected, result);
+    }
+}