Skip to content

Add test if a handle exists #323

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 15, 2018
Merged

Add test if a handle exists #323

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 16 additions & 0 deletions src/main/java/org/scijava/io/handle/DataHandleService.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,8 @@

package org.scijava.io.handle;

import java.io.IOException;

import org.scijava.io.IOService;
import org.scijava.io.location.Location;
import org.scijava.plugin.WrapperService;
Expand Down Expand Up @@ -63,4 +65,18 @@ default Class<DataHandle<Location>> getPluginType() {
default Class<Location> getType() {
return Location.class;
}

/**
* Convenience method to test whether it describes an existing file.
*
* @param location the location to test
* @return The result of {@link DataHandle#exists()} on a newly created handle
* on this location
* @throws IOException
*/
default boolean exists(final Location location) throws IOException {
try (DataHandle<Location> handle = create(location)) {
return handle.exists();
}
}
}