/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. The ASF licenses this file to You
* under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.abdera.contrib.rss;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
import java.util.List;
import javax.activation.DataHandler;
import javax.activation.MimeType;
import javax.xml.namespace.QName;
import org.apache.abdera.factory.Factory;
import org.apache.abdera.i18n.iri.IRI;
import org.apache.abdera.model.Category;
import org.apache.abdera.model.Content;
import org.apache.abdera.model.Control;
import org.apache.abdera.model.DateTime;
import org.apache.abdera.model.Div;
import org.apache.abdera.model.Element;
import org.apache.abdera.model.Entry;
import org.apache.abdera.model.ExtensibleElementWrapper;
import org.apache.abdera.model.IRIElement;
import org.apache.abdera.model.Link;
import org.apache.abdera.model.Person;
import org.apache.abdera.model.Source;
import org.apache.abdera.model.Text;
import org.apache.abdera.model.Content.Type;
import org.apache.abdera.parser.stax.util.FOMElementIterator;
import org.apache.abdera.parser.stax.util.FOMHelper;
import org.apache.abdera.parser.stax.util.FOMList;
import org.apache.abdera.util.Constants;
public class RssItem
extends ExtensibleElementWrapper
implements Entry, IRIElement {
public RssItem(Element internal) {
super(internal);
}
public RssItem(Factory factory, QName qname) {
super(factory, qname);
}
public void addAuthor(Person person) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Person addAuthor(String name) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Person addAuthor(String name, String email, String uri) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void addCategory(Category category) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Category addCategory(String term) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Category addCategory(String scheme, String term, String label) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void addContributor(Person person) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Person addContributor(String name) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Person addContributor(String name, String email, String uri) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void addLink(Link link) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Link addLink(String href) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Link addLink(String href, String rel) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Link addLink(String href, String rel, String type, String title,
String hreflang, long length) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Link getAlternateLink() {
Link link = getExtension(RssConstants.QNAME_LINK);
if (link == null) link = getExtension(RssConstants.QNAME_RDF_LINK);
if (link == null) {
IRIElement guid = getIdElement();
if (guid != null && guid instanceof RssGuid && ((RssGuid)guid).isPermalink())
return (Link)guid;
}
return link;
}
public Link getAlternateLink(String type, String hreflang)
{
return getAlternateLink();
}
public IRI getAlternateLinkResolvedHref() {
Link link = getAlternateLink();
return (link != null) ? link.getResolvedHref() : null;
}
public IRI getAlternateLinkResolvedHref(String type, String hreflang)
{
return getAlternateLinkResolvedHref();
}
public Person getAuthor() {
Person person = getExtension(RssConstants.QNAME_AUTHOR);
if (person == null) person = getExtension(RssConstants.QNAME_DC_CREATOR);
return person;
}
public List<Person> getAuthors() {
List<Person> people = getExtensions(RssConstants.QNAME_AUTHOR);
if (people == null || people.size() == 0) people = getExtensions(RssConstants.QNAME_DC_CREATOR);
return people;
}
public List<Category> getCategories() {
List<Category> cats = getExtensions(RssConstants.QNAME_CATEGORY);
if (cats == null || cats.size() == 0) cats = getExtensions(RssConstants.QNAME_DC_SUBJECT);
return cats;
}
@SuppressWarnings("unchecked")
public List<Category> getCategories(String scheme) {
return (scheme != null) ?
new FOMList<Category>(
new FOMElementIterator(getInternal(), RssCategory.class, new QName("domain"), scheme, null)
) : getCategories();
}
public String getContent() {
Content content = getContentElement();
if (content == null) return getSummary();
return content.getValue();
}
public Content getContentElement() {
Content content = getExtension(RssConstants.QNAME_CONTENT_ENCODED);
// what else to return other than content:encoded and possibly atom:content?
if (content == null) content = getExtension(Constants.CONTENT);
return content;
}
public MimeType getContentMimeType() {
return null;
}
public IRI getContentSrc() {
return null;
}
public InputStream getContentStream() throws IOException {
return null;
}
public Type getContentType() {
Content content = getContentElement();
if (content == null) {
Text text = getSummaryElement();
switch (text.getTextType()) {
case TEXT: return Content.Type.TEXT;
case HTML: return Content.Type.HTML;
case XHTML: return Content.Type.XHTML;
default: return Content.Type.HTML;
}
} else {
return content.getContentType();
}
}
public List<Person> getContributors() {
List<Person> people = getExtensions(RssConstants.QNAME_DC_CONTRIBUTOR);
return people;
}
public Control getControl(boolean create) {
return null;
}
public Control getControl() {
return null;
}
public Link getEditLink() {
return null;
}
public IRI getEditLinkResolvedHref() {
return null;
}
public Link getEditMediaLink() {
return null;
}
public Link getEditMediaLink(String type, String hreflang)
{
return null;
}
public IRI getEditMediaLinkResolvedHref() {
return null;
}
public IRI getEditMediaLinkResolvedHref(String type, String hreflang)
{
return null;
}
public Date getEdited() {
return null;
}
public DateTime getEditedElement() {
return null;
}
public Link getEnclosureLink() {
return getExtension(RssConstants.QNAME_ENCLOSURE);
}
public IRI getEnclosureLinkResolvedHref() {
Link link = getEnclosureLink();
return (link != null) ? link.getHref() : null;
}
public IRI getId() {
IRIElement iri = getIdElement();
return (iri != null) ? iri.getValue() : null;
}
public IRIElement getIdElement() {
IRIElement id = getExtension(RssConstants.QNAME_GUID);
if (id == null) id = getExtension(RssConstants.QNAME_DC_IDENTIFIER);
if (id == null && this.getQName().equals(RssConstants.QNAME_RDF_ITEM)) return this;
return id;
}
public Link getLink(String rel) {
if (rel.equals(Link.REL_ALTERNATE) || rel.equals(Link.REL_ALTERNATE_IANA)) {
RssGuid guid = (RssGuid) getIdElement();
if (guid != null && guid.isPermalink())
return guid;
return getAlternateLink();
}
List<Link> links = FOMHelper.getLinks(getInternal(), rel);
return (links != null && links.size() > 0) ? links.get(0) : null;
}
public IRI getLinkResolvedHref(String rel) {
Link link = getLink(rel);
return (link != null) ? link.getResolvedHref() : null;
}
public List<Link> getLinks() {
return getExtensions(Constants.LINK);
}
public List<Link> getLinks(String rel) {
return FOMHelper.getLinks(getInternal(), rel);
}
public List<Link> getLinks(String... rel) {
return FOMHelper.getLinks(getInternal(), rel);
}
public Date getPublished() {
DateTime dt = getPublishedElement();
return (dt != null) ? dt.getDate() : null;
}
public DateTime getPublishedElement() {
DateTime dt = getExtension(RssConstants.QNAME_PUBDATE);
if (dt == null) dt = getExtension(RssConstants.QNAME_PUBDATE2);
if (dt == null) dt = getExtension(RssConstants.QNAME_DC_DATE);
return dt;
}
public String getRights() {
Text text = getRightsElement();
return (text != null) ? text.getValue() : null;
}
public Text getRightsElement() {
Element el = getParentElement();
if (el instanceof RssChannel)
return ((RssChannel)el).getRightsElement();
else if (el instanceof RssFeed)
return ((RssFeed)el).getRightsElement();
Text text = getExtension(RssConstants.QNAME_DC_RIGHTS);
return text;
}
public org.apache.abdera.model.Text.Type getRightsType() {
Text text = getRightsElement();
return (text != null) ? text.getTextType() : null;
}
public Link getSelfLink() {
return getLink("self");
}
public IRI getSelfLinkResolvedHref() {
Link link = getSelfLink();
return (link != null) ? link.getResolvedHref() : null;
}
public Source getSource() {
Source source = getExtension(RssConstants.QNAME_SOURCE);
if (source == null) getExtension(RssConstants.QNAME_DC_SOURCE);
return source;
}
public String getSummary() {
Text text = getSummaryElement();
return (text != null) ? text.getValue() : null;
}
public Text getSummaryElement() {
Text text = getExtension(RssConstants.QNAME_DESCRIPTION);
if (text == null) text = getExtension(RssConstants.QNAME_RDF_DESCRIPTION);
if (text == null) text = getExtension(RssConstants.QNAME_DC_DESCRIPTION);
return text;
}
public org.apache.abdera.model.Text.Type getSummaryType() {
Text text = getSummaryElement();
return (text != null) ? text.getTextType() : null;
}
public String getTitle() {
Text text = getTitleElement();
return (text != null) ? text.getValue() : null;
}
public Text getTitleElement() {
Text text = getExtension(RssConstants.QNAME_TITLE);
if (text == null) text = getExtension(RssConstants.QNAME_RDF_TITLE);
if (text == null) text = getExtension(RssConstants.QNAME_DC_TITLE);
return text;
}
public org.apache.abdera.model.Text.Type getTitleType() {
Text text = getTitleElement();
return (text != null) ? text.getTextType() : null;
}
public Date getUpdated() {
return getPublished();
}
public DateTime getUpdatedElement() {
return getPublishedElement();
}
public boolean isDraft() {
return false;
}
public IRIElement newId() {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(String value, Type type) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(Element value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(Element element, String mediaType)
{
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(DataHandler dataHandler)
{
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(DataHandler dataHandler, String mediatype)
{
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(InputStream inputStream) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(InputStream inputStream, String mediatype)
{
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(String value, String mediatype)
{
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContent(IRI uri, String mediatype)
{
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContentAsHtml(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Content setContentAsXhtml(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setContentElement(Content content) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setControl(Control control) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setDraft(boolean draft) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public DateTime setEdited(Date value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public DateTime setEdited(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setEditedElement(DateTime modified) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public IRIElement setId(String id) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public IRIElement setId(String id, boolean normalize) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setIdElement(IRIElement id) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public DateTime setPublished(Date value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public DateTime setPublished(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setPublishedElement(DateTime dateTime) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setRights(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setRights(String value, org.apache.abdera.model.Text.Type type) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setRights(Div value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setRightsAsHtml(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setRightsAsXhtml(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setRightsElement(Text text) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setSource(Source source) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setSummary(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setSummary(String value, org.apache.abdera.model.Text.Type type) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setSummary(Div value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setSummaryAsHtml(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setSummaryAsXhtml(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setSummaryElement(Text text) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setTitle(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setTitle(String value, org.apache.abdera.model.Text.Type type) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setTitle(Div value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setTitleAsHtml(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Text setTitleAsXhtml(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setTitleElement(Text title) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public DateTime setUpdated(Date value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public DateTime setUpdated(String value) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setUpdatedElement(DateTime updated) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public Link getComments() {
return getExtension(RssConstants.QNAME_COMMENTS);
}
public IRI getResolvedValue() {
return getValue();
}
public IRI getValue() {
String about = getAttributeValue(RssConstants.QNAME_RDF_ABOUT);
return (about != null) ? new IRI(about) : null;
}
public void setNormalizedValue(String iri) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
public void setValue(String iri) {
throw new UnsupportedOperationException("Modifications are not allowed");
}
}