/*
* 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.tika;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Locale;
import org.apache.tika.io.IOUtils;
public class TypeDetectionBenchmark {
private static final Tika tika = new Tika();
public static void main(String[] args) throws Exception {
long start = System.currentTimeMillis();
if (args.length > 0) {
for (String arg : args) {
benchmark(new File(arg));
}
} else {
benchmark(new File(
"../tika-parsers/src/test/resources/test-documents"));
}
System.out.println(
"Total benchmark time: "
+ (System.currentTimeMillis() - start) + "ms");
}
private static void benchmark(File file) throws Exception {
if (file.isHidden()) {
// ignore
} else if (file.isFile()) {
try (InputStream input = new FileInputStream(file)) {
byte[] content = IOUtils.toByteArray(input);
String type =
tika.detect(new ByteArrayInputStream(content));
long start = System.currentTimeMillis();
for (int i = 0; i < 1000; i++) {
tika.detect(new ByteArrayInputStream(content));
}
System.out.printf(
Locale.ROOT,
"%6dns per Tika.detect(%s) = %s%n",
System.currentTimeMillis() - start, file, type);
}
} else if (file.isDirectory()) {
for (File child : file.listFiles()) {
benchmark(child);
}
}
}
}