import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class DocMap implements Map<String, Object> {

    private static final String LANG_KEY = "lang";
    private final Map<String, Object> parent;

    public DocMap(final Map<String, Object> parent) {
        this.parent = parent;
    }

    @Override
    public int size() {

        assertEquals(sitePath, viewHelper.getSitePath(docMap));

        urlLink = "www.google.com";
        sitePath = "www.google.com";
        docMap.put(fieldName, urlLink);
        assertEquals(sitePath, viewHelper.getSitePath(docMap));

        urlLink = "smb://123.45.678.91/share1";
        sitePath = "123.45.678.91/share1";
        docMap.put(fieldName, urlLink);

            docMap.put(fessConfig.getResponseFieldContentDescription(), viewHelper.getContentDescription(docMap));
            docMap.put(fessConfig.getResponseFieldUrlLink(), viewHelper.getUrlLink(docMap));
            docMap.put(fessConfig.getResponseFieldSitePath(), viewHelper.getSitePath(docMap));
        }

        if (!docMap.containsKey(Constants.SCORE)) {
            docMap.put(Constants.SCORE, searchHit.getScore());
        }

            logger.debug("Thumbnail generator is not found: {}", (docMap != null ? docMap.get("url") : docMap));
        }
        return false;
    }

    protected String getImageFilename(final Map<String, Object> docMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String docid = DocumentUtil.getValue(docMap, fessConfig.getIndexFieldDocId(), String.class);

        DocMap docMap = new DocMap(value);
        assertTrue(docMap.isEmpty());
        value.clear();

        List<String> keys = Arrays.asList("test_2", "test_0", "lang", "test_1");
        value.put(keys.get(0), true);
        value.put(keys.get(1), 1000);
        value.put(keys.get(2), "ja");
        value.put(keys.get(3), "str");
        docMap = new DocMap(value);
        assertFalse(docMap.isEmpty());

                    if (viewHelper != null && !docMap.isEmpty()) {
                        docMap.put(fessConfig.getResponseFieldContentTitle(), viewHelper.getContentTitle(docMap));
                        docMap.put(fessConfig.getResponseFieldContentDescription(), viewHelper.getContentDescription(docMap));
                        docMap.put(fessConfig.getResponseFieldUrlLink(), viewHelper.getUrlLink(docMap));

            if (source != null) {
                final Map<String, Object> docMap = new HashMap<>(source);
                docMap.put(fessConfig.getIndexFieldId(), hit.getId());
                docMap.put(fessConfig.getIndexFieldVersion(), hit.getVersion());
                docMap.put(fessConfig.getIndexFieldSeqNo(), hit.getSeqNo());
                docMap.put(fessConfig.getIndexFieldPrimaryTerm(), hit.getPrimaryTerm());

    String getName();

    boolean generate(String thumbnailId, File outputFile);

    boolean isTarget(Map<String, Object> docMap);

    boolean isAvailable();

    void destroy();

    Tuple3<String, String, String> createTask(String path, Map<String, Object> docMap);

        }
    }

    @Override
    public boolean isTarget(final Map<String, Object> docMap) {
        final String thumbnailFieldName = ComponentUtil.getFessConfig().getIndexFieldThumbnail();
        if (logger.isDebugEnabled()) {
            logger.debug("[{}] thumbnail: {}", name, docMap.get(thumbnailFieldName));
        }
        if (!docMap.containsKey(thumbnailFieldName)) {
            return false;
        }

    public void destroy() {
    }

    @Override
    public Tuple3<String, String, String> createTask(final String path, final Map<String, Object> docMap) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String thumbnailId = DocumentUtil.getValue(docMap, fessConfig.getIndexFieldId(), String.class);
        final Tuple3<String, String, String> task = new Tuple3<>(getName(), thumbnailId, path);