我使用zip4j来解压压缩包,这些压缩包是由密码(AES-256)保护的。我的问题不是代码不能用,而是当密码与.zip中的实际密码不匹配时,它不会出现任何错误。
.zip的密码是123,而我给zip4j设置的密码是123456789。所以他无法提取所有的文件。我希望得到一个Error或任何信息,说它无法提取。实际情况是,他没有提取,但没有异常或错误信息,什么都没有。
有什么办法可以让我检查解压是否成功?
protected void unpackZip(String destinationPath, String archivePath) throws InterruptedException {
int onChange = 0;
try {
ZipFile zipFile = new ZipFile( archivePath );
zipFile.setRunInThread( true );
if (zipFile.isEncrypted()) {
zipFile.setPassword( "123456789");
}
zipFile.extractAll( destinationPath );
// http://www.lingala.net/zip4j/forum/index.php?topic=68.0
ProgressMonitor progressMonitor = zipFile.getProgressMonitor();
while (progressMonitor.getState() == ProgressMonitor.STATE_BUSY) {
// To get the percentage done
if (onChange != progressMonitor.getPercentDone()) {
onChange = progressMonitor.getPercentDone();
sendWebStatusUiMessage( "Extracted : " + onChange + "% ", "update" );
}
try {
Thread.sleep( 1000 );
} catch (Exception e) {
}
}
} catch (ZipException e) {
e.printStackTrace();
}
}
这个答案有点晚,但以防万一,可能对大家有用。
当在线程模式下运行zip4j时,你必须在while循环后检查任务的执行状态和异常(如果出错)。
while (progressMonitor.getState() == ProgressMonitor.STATE_BUSY) {
// To get the percentage done
if (onChange != progressMonitor.getPercentDone()) {
onChange = progressMonitor.getPercentDone();
sendWebStatusUiMessage( "Extracted : " + onChange + "% ", "update" );
}
try {
Thread.sleep( 1000 );
} catch (Exception e) {
}
}
if (progressMonitor.getResult().equals(ProgressMonitor.Result.SUCCESS)) {
System.out.println("Successfully added folder to zip");
} else if (progressMonitor.getResult().equals(ProgressMonitor.Result.ERROR)) {
System.out.println("Error occurred. Error message: " + progressMonitor.getException().getMessage());
} else if (progressMonitor.getResult().equals(ProgressMonitor.Result.CANCELLED)) {
System.out.println("Task cancelled");
}