poi-examples/src/main/java/org/apache/poi/examples/util/TempFileUtils.java


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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,
 *    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.poi.examples.util;

import org.apache.poi.util.DefaultTempFileCreationStrategy;
import org.apache.poi.util.TempFile;

import java.io.File;
import java.nio.file.Paths;

public final class TempFileUtils {
    private TempFileUtils() {
    }

    @SuppressWarnings("java:S106")
    public static void checkTempFiles() {
        File tempDir = Paths.get(System.getProperty(TempFile.JAVA_IO_TMPDIR), DefaultTempFileCreationStrategy.POIFILES).toFile();
        if(tempDir.exists()) {
            String[] tempFiles = tempDir.list();
            if(tempFiles != null && tempFiles.length > 0) {
                System.out.println("found files in poi temp dir " + tempDir.getAbsolutePath());
                for(String filename : tempFiles) {
                    System.out.println("file: " + filename);
                }
            }
        } else {
            System.out.println("unable to find poi temp dir");
        }
    }
}