Examples with VfsResourceReference org.xwiki.vfs.VfsResourceReference used on opensource projects

Example 26 with VfsResourceReference

use of org.xwiki.vfs.VfsResourceReference in project xwiki-platform by xwiki.

the class VfsResourceReferenceHandler method handle.

@Override
public void handle(ResourceReference resourceReference, ResourceReferenceHandlerChain chain) throws ResourceReferenceHandlerException {
    // This code only handles VFS Resource References.
    VfsResourceReference vfsResourceReference = (VfsResourceReference) resourceReference;
    try {
        // Verify that the user has the permission for the specified VFS scheme and for the VFS URI
        this.permissionChecker.checkPermission(vfsResourceReference);
        // Extract the asked resource from inside the zip and return its content for display.
        // We need to convert the VFS Resource Reference into a hierarchical URI supported by TrueVFS
        URI trueVFSURI = convertResourceReference(vfsResourceReference);
        // We use TrueVFS. This line will automatically use the VFS Driver that matches the scheme passed in the URI
        Path path = new TPath(trueVFSURI);
        try (InputStream in = Files.newInputStream(path)) {
            List<String> pathSegments = vfsResourceReference.getPathSegments();
            serveResource(pathSegments.get(pathSegments.size() - 1), in);
        }
    } catch (Exception e) {
        throw new ResourceReferenceHandlerException(String.format("Failed to extract resource [%s]", vfsResourceReference), e);
    }
    // Be a good citizen, continue the chain, in case some lower-priority Handler has something to do for this
    // Resource Reference.
    chain.handleNext(vfsResourceReference);
}