Add in a basic MasterConverter

Not used in ant but will be used by outside users of the library.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272058 13f79535-47bb-0310-9956-ffa450edef68

proposal/myrmidon/src/java/org/apache/aut/converter/lib/SimpleMasterConverter.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) The Apache Software Foundation. All rights reserved.
+ *
+ * This software is published under the terms of the Apache Software License
+ * version 1.1, a copy of which has been included  with this distribution in
+ * the LICENSE.txt file.
+ */
+package org.apache.aut.converter.lib;
+
+import org.apache.aut.converter.AbstractMasterConverter;
+import org.apache.aut.converter.Converter;
+
+/**
+ * A very simple master converter that is capable of using
+ * any of the converters in this package.
+ *
+ * @author <a href="mailto:peter@apache.org">Peter Donald</a>
+ * @version $Revision$ $Date$
+ */
+public class SimpleMasterConverter
+    extends AbstractMasterConverter
+{
+    public SimpleMasterConverter()
+    {
+        registerConverter( ObjectToStringConverter.class.getName(),
+                           "java.lang.Object",
+                           "java.lang.String" );
+        registerConverter( StringToBooleanConverter.class.getName(),
+                           "java.lang.String",
+                           "java.lang.Boolean" );
+        registerConverter( StringToByteConverter.class.getName(),
+                           "java.lang.String",
+                           "java.lang.Byte" );
+        registerConverter( StringToClassConverter.class.getName(),
+                           "java.lang.String",
+                           "java.lang.Class" );
+        registerConverter( StringToDoubleConverter.class.getName(),
+                           "java.lang.String",
+                           "java.lang.Double" );
+        registerConverter( StringToFloatConverter.class.getName(),
+                           "java.lang.String",
+                           "java.lang.Float" );
+        registerConverter( StringToIntegerConverter.class.getName(),
+                           "java.lang.String",
+                           "java.lang.Integer" );
+        registerConverter( StringToLongConverter.class.getName(),
+                           "java.lang.String",
+                           "java.lang.Long" );
+        registerConverter( StringToShortConverter.class.getName(),
+                           "java.lang.String",
+                           "java.lang.Short" );
+        registerConverter( StringToURLConverter.class.getName(),
+                           "java.lang.String",
+                           "java.net.URL" );
+        registerConverter( StringToDateConverter.class.getName(),
+                           "java.lang.String",
+                           "java.util.Date" );
+    }
+
+    /**
+     * Create an instance of converter with specified name.
+     *
+     * @param name the name of converter
+     * @return the created converter instance
+     * @throws Exception if converter can not be created.
+     */
+    protected Converter createConverter( final String name )
+        throws Exception
+    {
+        final ClassLoader classLoader = getClass().getClassLoader();
+        final Class clazz = classLoader.loadClass( name );
+        return (Converter)clazz.newInstance();
+    }
+}