我正在使用Zip4J提取zip文件,我能够做到。但是,我想使用Zip4J中提供的进度监视器,但无法成功使用它。该文档只说它应该在线程模式true下运行。我做到了,我的控制台卡在了命令行上。任何带有进度监视器的extractAll()的工作示例。
public String unzipFile(String sourceFilePath, String extractionPath) {
String extractionDirectory = "";
FileHeader fileHeader = null;
if (FileUtility.isPathExist(sourceFilePath) && FileUtility.isPathExist(extractionPath)) {
try {
ZipFile zipFile = new ZipFile(sourceFilePath);
LOG.info("File Extraction started");
List<FileHeader> fileHeaderList = zipFile.getFileHeaders();
if (fileHeaderList.size() > 0)
fileHeader = (FileHeader) fileHeaderList.get(0);
if (fileHeader != null)
extractionDirectory = splitFileName(fileHeader.getFileName());
long totalPercentage = 235;
long startTime = System.currentTimeMillis();
zipFile.extractAll(extractionPath);
LOG.info("File Extraction completed.");
System.out.println();
} catch (ZipException e) {
LOG.error("Extraction Exception ->\n" + e.getMessage());
}
} else {
LOG.error("Either source path or extraction path is not exist.");
}
return extractionDirectory;
}
不知道,如果您添加了足够的文件,效果很好,那实际上是有进度的。我为此添加了一些很胖的东西。
@Test
public void testExtractAllDeflateAndNoEncryptionExtractsSuccessfully() throws IOException {
ZipFile zipFile = new ZipFile(generatedZipFile);
List<File> toAdd = Arrays.asList(
getTestFileFromResources("sample_text1.txt"),
getTestFileFromResources("sample_text_large.txt"),
getTestFileFromResources("OrccTutorial.pdf"),
getTestFileFromResources("introduction-to-automata-theory.pdf"),
getTestFileFromResources("thomas.pdf")
);
zipFile.addFiles(toAdd);
zipFile.setRunInThread(true);
zipFile.extractAll(outputFolder.getPath());
ProgressMonitor mon = zipFile.getProgressMonitor();
while (mon.getState() == BUSY) {
System.out.println(zipFile.getProgressMonitor().getPercentDone());
try {
Thread.sleep(10);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
ZipFileVerifier.verifyFolderContentsSameAsSourceFiles(outputFolder);
verifyNumberOfFilesInOutputFolder(outputFolder, 5);
}
testAddFilesWithProgressMonitor.java显示了如何使用ProgressMonitor。