ch.cyberduck.core.dropbox.DropboxSearchFeature.java Source code

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Here is the source code for ch.cyberduck.core.dropbox.DropboxSearchFeature.java

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package ch.cyberduck.core.dropbox;

/*
 * Copyright (c) 2002-2017 iterate GmbH. All rights reserved.
 * https://cyberduck.io/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

import ch.cyberduck.core.AbstractPath;
import ch.cyberduck.core.AttributedList;
import ch.cyberduck.core.Cache;
import ch.cyberduck.core.Filter;
import ch.cyberduck.core.ListProgressListener;
import ch.cyberduck.core.Path;
import ch.cyberduck.core.exception.BackgroundException;
import ch.cyberduck.core.features.Search;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;

import java.util.EnumSet;
import java.util.List;

import com.dropbox.core.DbxException;
import com.dropbox.core.v2.files.DbxUserFilesRequests;
import com.dropbox.core.v2.files.FileMetadata;
import com.dropbox.core.v2.files.FolderMetadata;
import com.dropbox.core.v2.files.Metadata;
import com.dropbox.core.v2.files.SearchMatch;
import com.dropbox.core.v2.files.SearchMode;
import com.dropbox.core.v2.files.SearchResult;

public class DropboxSearchFeature implements Search {
    private static final Logger log = Logger.getLogger(DropboxListService.class);

    private final DropboxSession session;
    private final DropboxAttributesFinderFeature attributes;

    public DropboxSearchFeature(final DropboxSession session) {
        this.session = session;
        this.attributes = new DropboxAttributesFinderFeature(session);
    }

    @Override
    public AttributedList<Path> search(final Path workdir, final Filter<Path> regex,
            final ListProgressListener listener) throws BackgroundException {
        try {
            final AttributedList<Path> list = new AttributedList<>();
            long start = 0;
            SearchResult result;
            do {
                result = new DbxUserFilesRequests(session.getClient())
                        .searchBuilder(workdir.isRoot() ? StringUtils.EMPTY : workdir.getAbsolute(),
                                regex.toPattern().pattern())
                        .withMode(SearchMode.FILENAME).withStart(start).start();
                final List<SearchMatch> matches = result.getMatches();
                for (SearchMatch match : matches) {
                    final Metadata metadata = match.getMetadata();
                    final EnumSet<AbstractPath.Type> type;
                    if (metadata instanceof FileMetadata) {
                        type = EnumSet.of(Path.Type.file);
                    } else if (metadata instanceof FolderMetadata) {
                        type = EnumSet.of(Path.Type.directory);
                    } else {
                        log.warn(String.format("Skip file %s", metadata));
                        return null;
                    }
                    list.add(new Path(metadata.getPathDisplay(), type, attributes.convert(metadata)));
                    listener.chunk(workdir, list);
                }
                start = result.getStart();
            } while (result.getMore());
            return list;
        } catch (DbxException e) {
            throw new DropboxExceptionMappingService().map("Failure to read attributes of {0}", e, workdir);
        }
    }

    @Override
    public boolean isRecursive() {
        return true;
    }

    @Override
    public Search withCache(final Cache<Path> cache) {
        return this;
    }
}