import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

public class PluginHelper {

                    } catch (IOException e) {
                        throw new IORuntimeException(e);
                    }
                } else if (url.contains("plugin/repo.yaml")) {
                    try (InputStream is = ResourceUtil.getResourceAsStream(url)) {
                        return new String(InputStreamUtil.getBytes(is), Constants.UTF_8);
                    } catch (IOException e) {

    String LDAP_ATTR_HOME_DIRECTORY = "ldap.attr.homeDirectory";

    /** The key of the configuration. e.g. https://repo.maven.apache.org/maven2/org/codelibs/fess/,https://fess.codelibs.org/plugin/artifacts.yaml */
    String PLUGIN_REPOSITORIES = "plugin.repositories";

    /** The key of the configuration. e.g.  */
    String PLUGIN_VERSION_FILTER = "plugin.version.filter";