didlobject.java

android_UPNP_DLNA_控制点

/*
 * Copyright (C) 2011 Teleal GmbH, Switzerland
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.teleal.cling.support.model;

import org.w3c.dom.Element;

import java.net.URI;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * @author Christian Bauer
 * @author Mario Franco
 */
public abstract class DIDLObject {

    static public abstract class Property<V> {

        public interface NAMESPACE {
        }

        private V value;
        final private String descriptorName;
        final private List<Property<DIDLAttribute>> attributes = new ArrayList<Property<DIDLAttribute>>();

        protected Property() {
            this(null, null);
        }

        protected Property(String descriptorName) {
            this(null, descriptorName);
        }

        protected Property(V value, String descriptorName) {
            this.value = value;
            this.descriptorName = descriptorName == null ? getClass().getSimpleName().toLowerCase() : descriptorName;
        }

        protected Property(V value, String descriptorName, List<Property<DIDLAttribute>> attributes) {
            this.value = value;
            this.descriptorName = descriptorName == null ? getClass().getSimpleName().toLowerCase() : descriptorName;
            this.attributes.addAll(attributes);
        }

        public V getValue() {
            return value;
        }

        public void setValue(V value) {
            this.value = value;
        }

        public String getDescriptorName() {
            return descriptorName;
        }

        public void setOnElement(Element element) {
            element.setTextContent(toString());
            for (Property<DIDLAttribute> attr : attributes) {
                element.setAttributeNS(
                        attr.getValue().getNamespaceURI(),
                        attr.getValue().getPrefix() + ':' + attr.getDescriptorName(),
                        attr.getValue().getValue());
            }
        }

        public void addAttribute(Property<DIDLAttribute> attr) {
            this.attributes.add(attr);
        }

        public void removeAttribute(Property<DIDLAttribute> attr) {
            this.attributes.remove(attr);
        }

        public void removeAttribute(String descriptorName) {
            for (Property<DIDLAttribute> attr : attributes) {
                if (attr.getDescriptorName().equals(descriptorName)) {
                    this.removeAttribute(attr);
                    break;
                }
            }
        }

        public Property<DIDLAttribute> getAttribute(String descriptorName) {
            for (Property<DIDLAttribute> attr : attributes) {
                if (attr.getDescriptorName().equals(descriptorName)) {
                    return attr;
                }
            }
            return null;
        }

        @Override
        public String toString() {
            return getValue() != null ? getValue().toString() : "";
        }

        static public class PropertyPersonWithRole extends Property<PersonWithRole> {

            public PropertyPersonWithRole() {
            }

            public PropertyPersonWithRole(String descriptorName) {
                super(descriptorName);
            }

            public PropertyPersonWithRole(PersonWithRole value, String descriptorName) {
                super(value, descriptorName);
            }

            @Override
            public void setOnElement(Element element) {
                if (getValue() != null)
                    getValue().setOnElement(element);
            }
        }

        static public class DC {

            public interface NAMESPACE extends Property.NAMESPACE {
                public static final String URI = "http://purl.org/dc/elements/1.1/";
            }

            static public class DESCRIPTION extends Property<String> implements NAMESPACE {
                public DESCRIPTION() {
                }

                public DESCRIPTION(String value) {
                    super(value, null);
                }
            }

            static public class PUBLISHER extends Property<Person> implements NAMESPACE {
                public PUBLISHER() {
                }

                public PUBLISHER(Person value) {
                    super(value, null);
                }
            }

            static public class CONTRIBUTOR extends Property<Person> implements NAMESPACE {
                public CONTRIBUTOR() {
                }

                public CONTRIBUTOR(Person value) {
                    super(value, null);
                }
            }

            static public class DATE extends Property<String> implements NAMESPACE {
                public DATE() {
                }

                public DATE(String value) {
                    super(value, null);
                }
            }

            static public class LANGUAGE extends Property<String> implements NAMESPACE {
                public LANGUAGE() {
                }

                public LANGUAGE(String value) {
                    super(value, null);
                }
            }

            static public class RELATION extends Property<URI> implements NAMESPACE {
                public RELATION() {
                }

                public RELATION(URI value) {
                    super(value, null);
                }
            }

            static public class RIGHTS extends Property<String> implements NAMESPACE {
                public RIGHTS() {
                }

                public RIGHTS(String value) {
                    super(value, null);
                }
            }
        }

        static public abstract class UPNP {

            public interface NAMESPACE extends Property.NAMESPACE {
                public static final String URI = "urn:schemas-upnp-org:metadata-1-0/upnp/";
            }

            static public class ARTIST extends PropertyPersonWithRole implements NAMESPACE {
                public ARTIST() {
                }

                public ARTIST(PersonWithRole value) {
                    super(value, null);
                }
            }

            static public class ACTOR extends PropertyPersonWithRole implements NAMESPACE {
                public ACTOR() {
                }

                public ACTOR(PersonWithRole value) {
                    super(value, null);
                }
            }

            static public class AUTHOR extends PropertyPersonWithRole implements NAMESPACE {
                public AUTHOR() {
                }

                public AUTHOR(PersonWithRole value) {
                    super(value, null);
                }
            }

            static public class PRODUCER extends Property<Person> implements NAMESPACE {
                public PRODUCER() {
                }

                public PRODUCER(Person value) {
                    super(value, null);
                }
            }

            static public class DIRECTOR extends Property<Person> implements NAMESPACE {
                public DIRECTOR() {
                }

                public DIRECTOR(Person value) {
                    super(value, null);
                }
            }

            static public class GENRE extends Property<String> implements NAMESPACE {
                public GENRE() {
                }

                public GENRE(String value) {
                    super(value, null);
                }
            }

            static public class ALBUM extends Property<String> implements NAMESPACE {
                public ALBUM() {
                }

                public ALBUM(String value) {
                    super(value, null);
                }
            }

            static public class PLAYLIST extends Property<String> implements NAMESPACE {
                public PLAYLIST() {
                }

                public PLAYLIST(String value) {
                    super(value, null);
                }
            }

            static public class REGION extends Property<String> implements NAMESPACE {
                public REGION() {
                }

                public REGION(String value) {
                    super(value, null);
                }
            }

            static public class RATING extends Property<String> implements NAMESPACE {
                public RATING() {
                }

                public RATING(String value) {
                    super(value, null);
                }
            }

            static public class TOC extends Property<String> implements NAMESPACE {
                public TOC() {
                }

                public TOC(String value) {
                    super(value, null);
                }
            }

            static public class ALBUM_ART_URI extends Property<URI> implements NAMESPACE {
                public ALBUM_ART_URI() {
                    this(null);
                }

                public ALBUM_ART_URI(URI value) {
                    super(value, "albumArtURI");
                }

                public ALBUM_ART_URI(URI value, List<Property<DIDLAttribute>> attributes) {
                    super(value, "albumArtURI", attributes);
                }
            }

            static public class ARTIST_DISCO_URI extends Property<URI> implements NAMESPACE {
                public ARTIST_DISCO_URI() {
                    this(null);
                }

                public ARTIST_DISCO_URI(URI value) {
                    super(value, "artistDiscographyURI");
                }
            }

            static public class LYRICS_URI extends Property<URI> implements NAMESPACE {
                public LYRICS_URI() {
                    this(null);
                }

                public LYRICS_URI(URI value) {
                    super(value, "lyricsURI");
                }
            }

            static public class STORAGE_TOTAL extends Property<Long> implements NAMESPACE {
                public STORAGE_TOTAL() {
                    this(null);
                }

                public STORAGE_TOTAL(Long value) {
                    super(value, "storageTotal");
                }
            }

            static public class STORAGE_USED extends Property<Long> implements NAMESPACE {
                public STORAGE_USED() {
                    this(null);
                }

                public STORAGE_USED(Long value) {
                    super(value, "storageUsed");
                }
            }

            static public class STORAGE_FREE extends Property<Long> implements NAMESPACE {
                public STORAGE_FREE() {
                    this(null);
                }

                public STORAGE_FREE(Long value) {
                    super(value, "storageFree");
                }
            }

            static public class STORAGE_MAX_PARTITION extends Property<Long> implements NAMESPACE {
                public STORAGE_MAX_PARTITION() {
                    this(null);
                }

                public STORAGE_MAX_PARTITION(Long value) {
                    super(value, "storageMaxPartition");
                }
            }

            static public class STORAGE_MEDIUM extends Property<StorageMedium> implements NAMESPACE {
                public STORAGE_MEDIUM() {
                    this(null);
                }

                public STORAGE_MEDIUM(StorageMedium value) {
                    super(value, "storageMedium");
                }
            }

            static public class LONG_DESCRIPTION extends Property<String> implements NAMESPACE {
                public LONG_DESCRIPTION() {
                    this(null);
                }

                public LONG_DESCRIPTION(String value) {
                    super(value, "longDescription");
                }
            }

            static public class ICON extends Property<URI> implements NAMESPACE {
                public ICON() {
                }

                public ICON(URI value) {
                    super(value, null);
                }
            }

            static public class RADIO_CALL_SIGN extends Property<String> implements NAMESPACE {
                public RADIO_CALL_SIGN() {
                    this(null);
                }

                public RADIO_CALL_SIGN(String value) {
                    super(value, "radioCallSign");
                }
            }

            static public class RADIO_STATION_ID extends Property<String> implements NAMESPACE {
                public RADIO_STATION_ID() {