[유치수] [NOBTS] change project type.

git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-tomcat-profiler/trunk@431 84d0f5b1-2673-498c-a247-62c4ff18d310

src/main/java/com/profiler/modifier/db/dbcp/DBCPPoolModifier.java

@@ -0,0 +1,75 @@
+package com.profiler.modifier.db.dbcp;
+
+import javassist.ClassPool;
+import javassist.CtClass;
+import javassist.CtMethod;
+
+import com.profiler.config.TomcatProfilerConstant;
+import com.profiler.modifier.AbstractModifier;
+
+public class DBCPPoolModifier extends AbstractModifier{
+	public static byte[] modify(ClassPool classPool,ClassLoader classLoader,String javassistClassName,byte[] classFileBuffer) {
+		log("DBCPPoolModifier(PoolingDataSource$PoolGuardConnectionWrapper) modifing");
+//		printClassInfo(javassistClassName);
+		return changeMethod(classPool,classLoader,javassistClassName,classFileBuffer);
+	}
+	private static byte[] changeMethod(ClassPool classPool,ClassLoader classLoader,String javassistClassName,byte[] classfileBuffer) {
+		try {
+			CtClass cc = classPool.get(javassistClassName);
+//			updateGetConnectionMethod(classPool,cc);
+			updateCloseMethod(classPool,cc);
+/*
+			CtMethod[] methods=cc.getDeclaredMethods();
+			for(CtMethod method:methods) {
+//				System.out.println(method.getLongName());
+				if(!method.isEmpty() ) {
+					String methodName=method.getName();
+					if(methodName.equals("getConnection")) {
+//							&& !methodName.startsWith("version")) {
+						method.insertBefore("{System.out.println(\"-----DBCP "+method.getLongName()+" is started.\");}");
+						method.insertAfter("{System.out.println(\"-----DBCP "+method.getLongName()+" is finished.\");}");
+						System.out.println(method.getLongName());
+					}
+				} else {
+					log(method.getLongName()+" is empty !!!!!");
+				}
+			}
+*/
+			byte[] newClassfileBuffer=null;
+			newClassfileBuffer= cc.toBytecode();
+//			cc.writeFile();
+			printClassConvertComplete(javassistClassName);
+			return newClassfileBuffer;
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+	
+	
+	
+	private static void updateCloseMethod(ClassPool classPool,CtClass cc) throws Exception {
+		CtMethod serviceMethod=cc.getDeclaredMethod("close", null);
+		log("*** Changing close method ");
+//		serviceMethod.insertBefore(getCloseMethodBeforeInsertCode());
+		serviceMethod.insertAfter(getCloseMethodAfterInsertCode());
+	}
+	
+	@SuppressWarnings("unused")
+	private static String getCloseMethodBeforeInsertCode() {
+		StringBuilder sb=new StringBuilder();
+//		sb.append("{");
+//		sb.append("System.out.println(\"-----PoolingDataSource$PoolGuardConnectionWrapper.close() method is called\");");
+//		sb.append("}");
+		return sb.toString();
+	}
+	
+	private static String getCloseMethodAfterInsertCode() {
+		StringBuilder sb=new StringBuilder();
+		sb.append("{");
+//		sb.append("System.out.println(\"-----PoolingDataSource$PoolGuardConnectionWrapper.close() method is ended\");");
+		sb.append(TomcatProfilerConstant.CLASS_NAME_REQUEST_DATA_TRACER+".put("+TomcatProfilerConstant.REQ_DATA_TYPE_DB_CLOSE_CONNECTION+");");
+		sb.append("}");
+		return sb.toString();
+	}
+}