org.apache.tika.eval.tools.CommonTokenOverlapCounter Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tika.eval.tools;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import org.apache.tika.eval.tokens.CommonTokenCountManager;
public class CommonTokenOverlapCounter {
public static void main(String[] args) throws Exception {
Path commonTokensDir = Paths.get(args[0]);
CommonTokenOverlapCounter counter = new CommonTokenOverlapCounter();
counter.execute(commonTokensDir);
}
private void execute(Path commonTokensDir) throws IOException {
List langs = new ArrayList<>();
for (File f : commonTokensDir.toFile().listFiles()) {
langs.add(f.getName());
}
CommonTokenCountManager mgr = new CommonTokenCountManager(commonTokensDir, "");
for (int i = 0; i < langs.size()-1; i++) {
for (int j = i+1; j < langs.size(); j++) {
compare(langs.get(i), langs.get(j), mgr);
}
}
}
private void compare(String langA, String langB, CommonTokenCountManager mgr) {
int overlap = 0;
int denom = 0;
Set setA = mgr.getTokens(langA);
Set setB = mgr.getTokens(langB);
for (String a : setA) {
if (setB.contains(a)) {
overlap += 2;
}
}
denom = setA.size()+setB.size();
double percent = (double)overlap/(double)denom;
if (percent > 0.01) {
System.out.println(String.format(Locale.US, "%s %s %.2f", langA, langB, percent));
}
}
}