import MessagePack for Java implementation plan 3

java-plan3/src/org/msgpack/schema/ReflectionClassSchema.java

@@ -0,0 +1,64 @@
+package org.msgpack.schema;
+
+import java.util.Arrays;
+import java.util.List;
+import java.lang.reflect.*;
+import org.msgpack.*;
+
+// FIXME
+public abstract class ReflectionClassSchema extends ClassSchema {
+	private Constructor constructorCache;
+
+	public ReflectionClassSchema(String name, List<FieldSchema> fields, String namespace, List<String> imports) {
+		super(name, namespace, imports, fields);
+	}
+
+	/*
+	Schema getElementSchema(int index)
+	{
+		// FIXME check index < fields.length
+		fields[index].getSchema();
+	}
+
+	Object createFromArray(Object[] obj)
+	{
+		Object o = newInstance();
+		((MessageConvertable)o).messageConvert(obj);
+		return o;
+	}
+
+	Object newInstance()
+	{
+		if(constructorCache == null) {
+			cacheConstructor();
+		}
+		try {
+			return constructorCache.newInstance((Object[])null);
+		} catch (InvocationTargetException e) {
+			throw new RuntimeException("can't instantiate "+fqdn+": "+e.getMessage());
+		} catch (InstantiationException e) {
+			throw new RuntimeException("can't instantiate "+fqdn+": "+e.getMessage());
+		} catch (IllegalAccessException e) {
+			throw new RuntimeException("can't instantiate "+fqdn+": "+e.getMessage());
+		}
+	}
+
+	private void cacheConstructor()
+	{
+		try {
+			Class c = Class.forName(fqdn);
+			int index = 0;
+			for(SpecificFieldSchema f : fields) {
+				f.cacheField(c, index++);
+			}
+			constructorCache = c.getDeclaredConstructor((Class[])null);
+			constructorCache.setAccessible(true);
+		} catch(ClassNotFoundException e) {
+			throw new RuntimeException("class not found: "+fqdn);
+		} catch (NoSuchMethodException e) {
+			throw new RuntimeException("class not found: "+fqdn+": "+e.getMessage());
+		}
+	}
+	*/
+}
+