From be646c5105170fa79594822373bb09deb70af2d4 Mon Sep 17 00:00:00 2001
From: Clisprail <clisprail@parabot.org>
Date: Tue, 5 Aug 2014 20:05:09 +0200
Subject: [PATCH] RefMethod updates

---
 .../org/parabot/core/reflect/RefClass.java    | 57 +++++++++++++++++++
 .../org/parabot/core/reflect/RefMethod.java   | 53 +++++++++++++++++
 2 files changed, 110 insertions(+)

diff --git a/parabotv2/src/org/parabot/core/reflect/RefClass.java b/parabotv2/src/org/parabot/core/reflect/RefClass.java
index b40b967..1723d3f 100644
--- a/parabotv2/src/org/parabot/core/reflect/RefClass.java
+++ b/parabotv2/src/org/parabot/core/reflect/RefClass.java
@@ -2,6 +2,7 @@ package org.parabot.core.reflect;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
 
@@ -218,6 +219,62 @@ public class RefClass extends RefModifiers {
 		return refConstructors;
 	}
 	
+	/**
+	 * Gets the class' methods
+	 * @return all methods if an instance is provided, otherwise only static methods
+	 */
+	public RefMethod[] getMethods() {
+		ArrayList<RefMethod> methods = new ArrayList<RefMethod>();
+		// add all static methods
+		for(Method m : clazz.getDeclaredMethods()) {
+			if(Modifier.isStatic(m.getModifiers())) {
+				methods.add(new RefMethod(m, instance));
+			}
+		}
+		if(this.instance != null) {
+			// add all non static methods
+			for(Method m : clazz.getDeclaredMethods()) {
+				if(!Modifier.isStatic(m.getModifiers())) {
+					methods.add(new RefMethod(m, instance));
+				}
+			}
+		}
+		return methods.toArray(new RefMethod[methods.size()]);
+	}
+	
+	/**
+	 * Finds and returns the first RefMethod match with given method name
+	 * @param name method its name
+	 * @return the first match, or if not found <code>null</code>
+	 */
+	public RefMethod getMethod(String name) {
+		return getMethod(name, null);
+	}
+	
+	/**
+	 * Finds a RefMethod in this RefClass
+	 * @param name the method its name
+	 * @param parameters the method its parameters
+	 * @return the matched method or if not found null <code>null</code>
+	 */
+	public RefMethod getMethod(String name, Class<?>[] parameters) {
+		try {
+			for(RefMethod method : getMethods()) {
+				if(method.getName().equals(name)) {
+					if(parameters == null) {
+						return method;
+					}
+					if(method.getParameterTypes().equals(parameters)) {
+						return method;
+					}
+				}
+			}
+		} catch (Throwable t) {
+			t.printStackTrace();
+		}
+		return null;
+	}
+	
 	public String toString() {
 		if(this.instance != null) {
 			return new StringBuilder().append(this.instance.toString()).append(" : ").append(this.clazz.toString()).toString();
diff --git a/parabotv2/src/org/parabot/core/reflect/RefMethod.java b/parabotv2/src/org/parabot/core/reflect/RefMethod.java
index 86516f0..c15b572 100644
--- a/parabotv2/src/org/parabot/core/reflect/RefMethod.java
+++ b/parabotv2/src/org/parabot/core/reflect/RefMethod.java
@@ -11,9 +11,16 @@ import java.lang.reflect.Method;
  */
 public class RefMethod extends RefModifiers {
 	private Method method;
+	private Object instance;
 
 	public RefMethod(Method method) {
+		this(method, null);
+	}
+	
+	public RefMethod(Method method, Object instance) {
 		super(method.getModifiers());
+		this.method = method;
+		this.instance = instance;
 	}
 	
 	/**
@@ -24,6 +31,23 @@ public class RefMethod extends RefModifiers {
 	public boolean isAccessible() {
 		return method.isAccessible();
 	}
+	
+	/**
+	 * Determines if this method is a bridge method.
+	 * 
+	 * @return <code>true</code> if this method is a bridge method, otherwise <code>false</code>
+	 */
+	public boolean isBridge() {
+		return method.isBridge();
+	}
+	
+	/**
+	 * Determines if this method can take a variable amount of arguments
+	 * @return <code>true</code> if this method can take a variable amount of arguments
+	 */
+	public boolean isVarArgs() {
+		return method.isVarArgs();
+	}
 
 	/**
 	 * Returns <code>true</code> if this method is a synthetic method; returns
@@ -78,6 +102,35 @@ public class RefMethod extends RefModifiers {
 		return this.method;
 	}
 	
+	/**
+	 * Invokes the method and returns it returned object
+	 * 
+	 * @return object returned by the method
+	 */
+	public Object invoke() {
+		return invoke(new Object[] { });
+	}
+	
+	/**
+	 * 
+	 * Invokes the method and returns it returned object
+	 * 
+	 * @param args arguments for the invokable method
+	 * @return object returned by the method
+	 */
+	public Object invoke(Object... args) {
+		if(!isStatic() && instance == null) {
+			throw new IllegalStateException("Can not invoke non static method without an instance.");
+		}
+		try {
+			Object retObject = method.invoke(instance, args);
+			return retObject;
+		} catch (Throwable t) {
+			t.printStackTrace();
+		}
+		return null;
+	}
+	
 	public String toGenericString() {
 		return method.toGenericString();
 	}