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https://issues.apache.org/jira/browse/IO-704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary D. Gregory resolved IO-704.
--------------------------------
Resolution: Not A Problem
> FileUtils.requireExists shall throw a more specific exception
> -------------------------------------------------------------
>
> Key: IO-704
> URL: https://issues.apache.org/jira/browse/IO-704
> Project: Commons IO
> Issue Type: Bug
> Reporter: Hao Zhong
> Priority: Major
>
> FileUtils.requireExists throws IllegalArgumentException when a file does not
> exist:
> {code:java}
> private static File requireExists(final File file, final String
> fileParamName) {
> Objects.requireNonNull(file, fileParamName);
> if (!file.exists()) {
> throw new IllegalArgumentException(
> "File system element for parameter '" + fileParamName + "'
> does not exist: '" + file + "'");
> }
> return file;
> }
> {code}
> It shall throw FileNotFoundException, which is more informative. Indeed,
> another method of this class throws FileNotFoundException:
> {code:java}
> private static File requireExistsChecked(final File file, final String
> fileParamName) throws FileNotFoundException {
> Objects.requireNonNull(file, fileParamName);
> if (!file.exists()) {
> throw new FileNotFoundException(
> "File system element for parameter '" + fileParamName + "'
> does not exist: '" + file + "'");
> }
> return file;
> }
> {code}
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