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[유치수] [NOBTS] change project type.

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git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-tomcat-profiler/trunk@431 84d0f5b1-2673-498c-a247-62c4ff18d310
This commit is contained in:
Chisu Yu
2012-06-27 02:21:11 +00:00
parent 3be294bc76
commit 34cb3fbd1e
62 changed files with 263 additions and 33 deletions
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src/main/java/com/profiler/modifier/db/mysql/MySQLStatementModifier.java
+55
View File
@@ -0,0 +1,55 @@
package com.profiler.modifier.db.mysql;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.CtMethod;
import com.profiler.config.TomcatProfilerConstant;
import com.profiler.modifier.AbstractModifier;
public class MySQLStatementModifier extends AbstractModifier{
public static byte[] modify(ClassPool classPool,ClassLoader classLoader,String javassistClassName,byte[] classFileBuffer) {
log("MySQLStatementModifier 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);
updateExecuteQueryMethod(classPool,cc);
byte[] newClassfileBuffer = cc.toBytecode();
printClassConvertComplete(javassistClassName);
return newClassfileBuffer;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
private static void updateExecuteQueryMethod(ClassPool classPool,CtClass cc) throws Exception {
CtClass[] params=new CtClass[1];
params[0]=classPool.getCtClass("java.lang.String");
CtMethod serviceMethod=cc.getDeclaredMethod("executeQuery", params);
log("*** Changing executeQuery method ");
// serviceMethod.insertBefore(getExecuteQueryMethodBeforeInsertCode());
serviceMethod.insertAfter(getExecuteQueryMethodAfterInsertCode());
}
@SuppressWarnings("unused")
private static String getExecuteQueryMethodBeforeInsertCode() {
StringBuilder sb=new StringBuilder();
// sb.append("{");
// sb.append("System.out.println(\"-----StatementImpl.executeQuery(String) method is called\");");
// sb.append("System.out.println(\"-----Query=[\"+$1+\"]\");");
// sb.append("}");
return sb.toString();
}
private static String getExecuteQueryMethodAfterInsertCode() {
StringBuilder sb=new StringBuilder();
sb.append("{");
// sb.append("System.out.println(\"-----StatementImpl.executeQuery(String) method is ended\");");
sb.append(TomcatProfilerConstant.CLASS_NAME_REQUEST_DATA_TRACER+".putSqlQuery("+TomcatProfilerConstant.REQ_DATA_TYPE_DB_QUERY+",$1);");
sb.append(TomcatProfilerConstant.CLASS_NAME_REQUEST_DATA_TRACER+".put("+TomcatProfilerConstant.REQ_DATA_TYPE_DB_EXECUTE_QUERY+");");
sb.append("}");
return sb.toString();
}
}