public void delete()

in src/main/java/org/apache/sling/resourcemerger/impl/CRUDMergingResourceProvider.java [134:161]
21 lines of code
6 McCabe index (conditional complexity)

    public void delete(final ResolveContext<Void> ctx, final Resource resource) throws PersistenceException {
        final ResourceResolver resolver = ctx.getResourceResolver();
        final String path = resource.getPath();

        // deleting of the root mount resource is not supported
        final String relativePath = getRelativePath(path);
        if ( relativePath == null || relativePath.length() == 0 ) {
            throw new PersistenceException("Resource at " + path + " can't be deleted.", null, path, null);
        }

        final ExtendedResourceHolder holder = this.getAllResources(resolver, path, relativePath);
        // we only support modifications if there is more than one location merged
        if ( holder.count < 2 ) {
            throw new PersistenceException("Modifying is only supported with at least two potentially merged resources.", null, path, null);
        }

        if ( holder.resources.size() == 1 && holder.resources.get(0).getPath().equals(holder.highestResourcePath) ) {
            // delete the only resource which is the highest one
            resolver.delete(holder.resources.get(0));
        } else {
            // create overlay resource which is hiding the other
            final String createPath = holder.highestResourcePath;
            final Resource parentResource = ResourceUtil.getOrCreateResource(resolver, ResourceUtil.getParent(createPath), (String)null, null, false);
            final Map<String, Object> properties = new HashMap<>();
            properties.put(MergedResourceConstants.PN_HIDE_RESOURCE, Boolean.TRUE);
            resolver.create(parentResource, ResourceUtil.getName(createPath), properties);
        }
    }