de.regnis.q.sequence.line.QSequenceLineSystemTempDirectoryFactory Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of svnkit

The only pure Java Subversion library in the world, formerly known as JavaSVN

The newest version!

package de.regnis.q.sequence.line;

import java.io.File;
import java.io.IOException;

/**
 * @author Marc Strapetz
 */
public class QSequenceLineSystemTempDirectoryFactory implements QSequenceLineTempDirectoryFactory {

	// Fields =================================================================

	private File tempDirectory;

	// Setup ==================================================================

	public QSequenceLineSystemTempDirectoryFactory() {
	}

	// Implemented ============================================================

	public File getTempDirectory() throws IOException {
		if (tempDirectory == null) {
			int tries = 0;
			for (;;) {
				try {
					tempDirectory = File.createTempFile("q.sequence.line.", ".temp" + tries);
					tempDirectory.delete();
					break;
				}
				catch (IOException ex) {
					tries++;
					if (tries > 100) {
						throw ex;
					}
				}
			}
		}

		return tempDirectory;
	}

	public void close() {
		tempDirectory.delete();
	}
}