Java tutorial
/* * Copyright 2010-2013 the original author or authors. * * 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 test.compile; import gemlite.core.internal.measurement.MeasureHelper; import gemlite.core.util.GemliteHelper; import java.io.InputStream; import java.io.RandomAccessFile; import org.objectweb.asm.ClassReader; import org.objectweb.asm.tree.ClassNode; public class TestMeasure { public static void main(String[] args) throws Exception { InputStream in = Thread.currentThread().getContextClassLoader() .getResourceAsStream("test/compile/Logic2.class"); ClassReader cr = new ClassReader(in); ClassNode cn = new ClassNode(); cr.accept(cn, 0); RandomAccessFile ra = new RandomAccessFile(Thread.currentThread().getContextClassLoader() .getResource("test/compile/Logic2.class").getFile().toString(), "r"); byte[] bbb = new byte[(int) ra.length()]; ra.read(bbb); ra.close(); ClassReader cr2 = new ClassReader(bbb); ClassNode cn2 = new ClassNode(); cr2.accept(cn2, 0); MeasureHelper.instrumentCheckPoint("classname", cn); byte[] bb = GemliteHelper.classNodeToBytes(cn); GemliteHelper.checkAsmBytes(bb, "d:/tmp/measure.check.log"); byte[] bb2 = GemliteHelper.classNodeToBytes(cn2); GemliteHelper.checkAsmBytes(bb2, "d:/tmp/before.check.log"); } }