Java内容重新整理删除过期的东西

Java/JavaDemo/codedemo/java/lang/instrument/FirstInstrumentation.java

@@ -0,0 +1,25 @@
+package cn.aofeng.demo.java.lang.instrument;
+
+import java.lang.instrument.Instrumentation;
+
+import org.apache.commons.lang.StringUtils;
+
+import cn.aofeng.demo.util.LogUtil;
+
+/**
+ * Instrument入口类。
+ * 
+ * @author <a href="mailto:aofengblog@163.com">聂勇</a>
+ */
+public class FirstInstrumentation {
+
+    public static void premain(String options, Instrumentation ins) {
+        if (StringUtils.isBlank(options)) {
+            LogUtil.log("instrument without options");
+        } else {
+            LogUtil.log("instrument with options:%s", options);
+        }
+        
+        ins.addTransformer(new FirstTransformer());
+    }
+}