# WopiDiscovery.java

    /*
     * Copyright (C) 2000 - 2020 Silverpeas
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception.  You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "https://www.silverpeas.org/legal/floss_exception.html"
     *
     * 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 Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
     */

    package org.silverpeas.wbe.wopi.discovery;

    import org.silverpeas.kernel.SilverpeasRuntimeException;

    import javax.xml.bind.JAXBContext;
    import javax.xml.bind.JAXBException;
    import javax.xml.bind.Unmarshaller;
    import javax.xml.bind.annotation.XmlAccessType;
    import javax.xml.bind.annotation.XmlAccessorType;
    import javax.xml.bind.annotation.XmlElement;
    import javax.xml.bind.annotation.XmlRootElement;
    import java.io.InputStream;
    import java.io.Serializable;
    import java.util.function.BiConsumer;

    /**
     * WOPI discovery is the process by which a WOPI host identifies Office for the web capabilities
     * and how to initialize Office for the web applications within a site. WOPI hosts use the
     * discovery XML to determine how to interact with Office for the web.
     * <p>
     *   This class represents the root element of a discovery XML description file.
     * </p>
     * <a href="https://wopi.readthedocs.io/en/latest/discovery.html#">See the explanations of WOPI discovery from official doc.</a>
     * @author silveryocha
     */
    @XmlRootElement(name = "wopi-discovery")
    @XmlAccessorType(XmlAccessType.FIELD)
    public class WopiDiscovery implements Serializable {
      private static final long serialVersionUID = -4834847364477784378L;

      @XmlElement(name = "net-zone")
      private NetZone netZone;

      protected NetZone getNetZone() {
        return netZone;
      }

      public void consumeBaseUrlMimeType(BiConsumer<String, Action> consumer) {
        netZone.getApps().forEach(ap ->
            ap.getActions().stream()
                .filter(ac -> ac.getName().contains("edit"))
                .forEach(ac -> consumer.accept(ap.getName(), ac)));
      }

      public static WopiDiscovery load(InputStream in) {
        try {
          final JAXBContext context = JAXBContext.newInstance(WopiDiscovery.class);
          final Unmarshaller unmarshaller = context.createUnmarshaller();
          return (WopiDiscovery) unmarshaller.unmarshal(in);
        } catch (JAXBException e) {
          throw new SilverpeasRuntimeException(e.getMessage(), e);
        }
      }
    }