本文整理汇总了Java中java.io.FileNotFoundException.toString方法的典型用法代码示例。如果您正苦于以下问题:Java FileNotFoundException.toString方法的具体用法?Java FileNotFoundException.toString怎么用?Java FileNotFoundException.toString使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.io.FileNotFoundException
的用法示例。
在下文中一共展示了FileNotFoundException.toString方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: setupDestinationFile
import java.io.FileNotFoundException; //导入方法依赖的package包/类
/**
* Prepare the destination file to receive data. If the file already exists,
* we'll set up appropriately for resumption.
*/
private void setupDestinationFile(State state, InnerState innerState)
throws StopRequest {
if (state.mFilename != null) { // only true if we've already run a
// thread for this download
if (!Helpers.isFilenameValid(state.mFilename)) {
// this should never happen
throw new StopRequest(DownloaderService.STATUS_FILE_ERROR,
"found invalid internal destination filename");
}
// We're resuming a download that got interrupted
File f = new File(state.mFilename);
if (f.exists()) {
long fileLength = f.length();
if (fileLength == 0) {
// The download hadn't actually started, we can restart from
// scratch
f.delete();
state.mFilename = null;
} else if (mInfo.mETag == null) {
// This should've been caught upon failure
f.delete();
throw new StopRequest(DownloaderService.STATUS_CANNOT_RESUME,
"Trying to resume a download that can't be resumed");
} else {
// All right, we'll be able to resume this download
try {
state.mStream = new FileOutputStream(state.mFilename, true);
} catch (FileNotFoundException exc) {
throw new StopRequest(DownloaderService.STATUS_FILE_ERROR,
"while opening destination for resuming: " + exc.toString(), exc);
}
innerState.mBytesSoFar = (int) fileLength;
if (mInfo.mTotalBytes != -1) {
innerState.mHeaderContentLength = Long.toString(mInfo.mTotalBytes);
}
innerState.mHeaderETag = mInfo.mETag;
innerState.mContinuingDownload = true;
}
}
}
if (state.mStream != null) {
closeDestination(state);
}
}