[#2862] Add InstrumentUtils

bootstrap-core/src/main/java/com/navercorp/pinpoint/bootstrap/plugin/util/InstrumentUtils.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright 2017 NAVER Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.navercorp.pinpoint.bootstrap.plugin.util;
+
+import com.navercorp.pinpoint.bootstrap.instrument.InstrumentClass;
+import com.navercorp.pinpoint.bootstrap.instrument.InstrumentException;
+import com.navercorp.pinpoint.bootstrap.instrument.InstrumentMethod;
+import com.navercorp.pinpoint.bootstrap.instrument.NotFoundInstrumentException;
+import com.navercorp.pinpoint.bootstrap.interceptor.scope.ExecutionPolicy;
+
+import java.util.Arrays;
+
+/**
+ * @author Woonduk Kang(emeroad)
+ */
+public final class InstrumentUtils {
+
+    public static void addInterceptor(InstrumentClass clazz, String methodName, String[] parameterTypes, String interceptorClassName, String scopeName) throws InstrumentException {
+        addInterceptor(clazz, methodName, parameterTypes, interceptorClassName, scopeName, null);
+    }
+
+    public static void addInterceptor(InstrumentClass clazz, String methodName, String[] parameterTypes, String interceptorClassName, String scopeName, ExecutionPolicy executionPolicy) throws InstrumentException {
+        if (clazz == null) {
+            throw new NullPointerException("clazz must not be null");
+        }
+        if (methodName == null) {
+            throw new NullPointerException("methodName must not be null");
+        }
+        if (interceptorClassName == null) {
+            throw new NullPointerException("interceptorClassName must not be null");
+        }
+        if (scopeName == null) {
+            throw new NullPointerException("scopeName must not be null");
+        }
+
+        final InstrumentMethod method = clazz.getDeclaredMethod(methodName, parameterTypes);
+        if (method == null) {
+            throw new NotFoundInstrumentException("Cannot find method " + methodName + " with parameter types: " + Arrays.toString(parameterTypes));
+        }
+        method.addScopedInterceptor(interceptorClassName, scopeName, executionPolicy);
+    }
+
+    public static  void addInterceptor(InstrumentClass clazz, String methodName, String[] parameterTypes, String interceptorClassName, Object[] interceptorParams, String scopeName) throws InstrumentException {
+        addInterceptor(clazz, methodName, parameterTypes, interceptorClassName, interceptorParams, scopeName, null);
+    }
+
+    public static void addInterceptor(InstrumentClass clazz, String methodName, String[] parameterTypes, String interceptorClassName, Object[] interceptorParams, String scopeName, ExecutionPolicy executionPolicy) throws InstrumentException {
+        if (clazz == null) {
+            throw new NullPointerException("clazz must not be null");
+        }
+        if (methodName == null) {
+            throw new NullPointerException("methodName must not be null");
+        }
+        if (interceptorClassName == null) {
+            throw new NullPointerException("interceptorClassName must not be null");
+        }
+        if (scopeName == null) {
+            throw new NullPointerException("scopeName must not be null");
+        }
+
+        final InstrumentMethod method = clazz.getDeclaredMethod(methodName, parameterTypes);
+        if (method == null) {
+            throw new NotFoundInstrumentException("Cannot find method " + methodName + " with parameter types: " + Arrays.toString(parameterTypes));
+        }
+        method.addScopedInterceptor(interceptorClassName, interceptorParams, scopeName, executionPolicy);
+    }
+}