Example usage for org.apache.poi.util TempFileCreationStrategy TempFileCreationStrategy

Introduction

In this page you can find the example usage for org.apache.poi.util TempFileCreationStrategy TempFileCreationStrategy.

Prototype

TempFileCreationStrategy

Source Link

Usage

From source file:com.opendoorlogistics.core.tables.io.PoiIO.java

License:Open Source License

public static void initPOI() {
    if (!initialised) {
        // create a directory based on a random number so different instances of the application
        // should use different tmp directories (unless they're started at exactly the same nanosecond).
        Random random = new Random();
        int val = random.nextInt();
        poiTempFileDirectory = new File(System.getProperty("java.io.tmpdir"), "odlpoi" + val);

        TempFile.setTempFileCreationStrategy(new TempFileCreationStrategy() {

            @Override/* w  ww  .  java2s.  c om*/
            public File createTempFile(String prefix, String suffix) throws IOException {
                // check dir exists, make if doesn't
                if (!poiTempFileDirectory.exists()) {
                    poiTempFileDirectory.mkdir();
                    poiTempFileDirectory.deleteOnExit();
                }

                File newFile = File.createTempFile(prefix, suffix, poiTempFileDirectory);
                return newFile;
            }
        });
        initialised = true;
    }
}

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