svn commit: r1624543 - in /tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/bcel: ./ TesterPerformance.java

[ma...@apache.org]

Author: markt
Date: Fri Sep 12 13:24:16 2014
New Revision: 1624543

URL: http://svn.apache.org/r1624543
Log:
Add performance test

Added:
    tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/bcel/
    tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/bcel/TesterPerformance.java   (with props)

Added: tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/bcel/TesterPerformance.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/bcel/TesterPerformance.java?rev=1624543&view=auto
==============================================================================
--- tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/bcel/TesterPerformance.java (added)
+++ tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/bcel/TesterPerformance.java Fri Sep 12 13:24:16 2014
@@ -0,0 +1,72 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You 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 org.apache.tomcat.util.bcel;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.HashSet;
+import java.util.Locale;
+import java.util.Set;
+
+import org.junit.Test;
+
+import org.apache.tomcat.util.bcel.classfile.ClassParser;
+import org.apache.tomcat.util.scan.Jar;
+import org.apache.tomcat.util.scan.JarFactory;
+
+public class TesterPerformance {
+
+    private static final String JAR_LOCATION = "/tmp/jira-libs";
+
+    @Test
+    public void testClassParserPerformance() throws IOException {
+        File libDir = new File(JAR_LOCATION);
+        String[] libs = libDir.list();
+
+        Set<URL> jarURLs = new HashSet<URL>();
+
+        for (String lib : libs) {
+            if (!lib.toLowerCase(Locale.ENGLISH).endsWith(".jar")) {
+                continue;
+            }
+            jarURLs.add(new URL("jar:" + new File (libDir, lib).toURI().toURL().toExternalForm() + "!/"));
+        }
+
+        long duration = 0;
+
+        for (URL jarURL : jarURLs) {
+            Jar jar = JarFactory.newInstance(jarURL);
+            jar.nextEntry();
+            String jarEntryName = jar.getEntryName();
+            while (jarEntryName != null) {
+                if (jarEntryName.endsWith(".class")) {
+                    InputStream is = jar.getEntryInputStream();
+                    long start = System.nanoTime();
+                    ClassParser cp = new ClassParser(is, jarEntryName);
+                    cp.parse();
+                    duration += System.nanoTime() - start;
+                }
+                jar.nextEntry();
+                jarEntryName = jar.getEntryName();
+            }
+        }
+
+        System.out.println("ClassParser performance test took: " + duration + "ns");
+    }
+}

Propchange: tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/bcel/TesterPerformance.java
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