DiffTool works for flat view (NPE for tree view).

Kai Reinhard

20.12.2018 3f61de79937ff7692e22a6b87cc36ed1db56d8bc

 borgbutler-server/src/main/java/de/micromata/borgbutler/server/rest/ArchivesRest.java

@@ -1,6 +1,7 @@
package de.micromata.borgbutler.server.rest;

import de.micromata.borgbutler.BorgCommands;
import de.micromata.borgbutler.DiffTool;
import de.micromata.borgbutler.cache.ButlerCache;
import de.micromata.borgbutler.config.BorgRepoConfig;
import de.micromata.borgbutler.config.ConfigurationHandler;
@@ -78,13 +79,23 @@
                .setMaxResultSize(maxSize)
                .setMode(mode)
                .setCurrentDirectory(currentDirectory);
        List<BorgFilesystemItem> items = ButlerCache.getInstance().getArchiveContent(archiveId, force,
                filter);
        if (items == null) {
            return "[{\"mode\": \"notLoaded\"}]";
        }
        if (StringUtils.isNotBlank(diffArchiveId)) {
            log.info("Diff between archives not yet supported.");
        List<BorgFilesystemItem> items = null;
        if (StringUtils.isBlank(diffArchiveId)) {
            // Get file list (without running diff).
            items = ButlerCache.getInstance().getArchiveContent(archiveId, force,
                    filter);
            if (items == null) {
                return "[{\"mode\": \"notLoaded\"}]";
            }
        } else {
            filter.setMode(FileSystemFilter.Mode.FLAT).setMaxResultSize(-1);
            items = ButlerCache.getInstance().getArchiveContent(archiveId, true, filter);
            List<BorgFilesystemItem> diffItems = ButlerCache.getInstance().getArchiveContent(diffArchiveId, true,
                    filter);
            items = DiffTool.extractDifferences(items, diffItems);
            filter.setMaxResultSize(maxSize)
                    .setMode(mode);
            filter.reduce(items);
        }
        return JsonUtils.toJson(items, prettyPrinter);
    }