MediaModuleParser.java
/*
* Copyright 2006 Nathanial X. Freitas, openvision.tv
*
* This code is currently released under the Mozilla Public License.
* http://www.mozilla.org/MPL/
*
* Alternately you may apply the terms of the Apache Software License
*
* Licensed 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.
*
*/
package com.rometools.modules.mediarss.io;
import java.math.BigDecimal;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.Currency;
import java.util.List;
import java.util.Locale;
import java.util.StringTokenizer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.jdom2.Element;
import org.jdom2.Namespace;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.rometools.modules.georss.GeoRSSModule;
import com.rometools.modules.georss.SimpleParser;
import com.rometools.modules.mediarss.MediaEntryModuleImpl;
import com.rometools.modules.mediarss.MediaModule;
import com.rometools.modules.mediarss.MediaModuleImpl;
import com.rometools.modules.mediarss.types.Category;
import com.rometools.modules.mediarss.types.Community;
import com.rometools.modules.mediarss.types.Credit;
import com.rometools.modules.mediarss.types.Embed;
import com.rometools.modules.mediarss.types.Embed.Param;
import com.rometools.modules.mediarss.types.Expression;
import com.rometools.modules.mediarss.types.Hash;
import com.rometools.modules.mediarss.types.License;
import com.rometools.modules.mediarss.types.Location;
import com.rometools.modules.mediarss.types.MediaContent;
import com.rometools.modules.mediarss.types.MediaGroup;
import com.rometools.modules.mediarss.types.Metadata;
import com.rometools.modules.mediarss.types.Metadata.RightsStatus;
import com.rometools.modules.mediarss.types.PeerLink;
import com.rometools.modules.mediarss.types.PlayerReference;
import com.rometools.modules.mediarss.types.Price;
import com.rometools.modules.mediarss.types.Rating;
import com.rometools.modules.mediarss.types.Restriction;
import com.rometools.modules.mediarss.types.Scene;
import com.rometools.modules.mediarss.types.StarRating;
import com.rometools.modules.mediarss.types.Statistics;
import com.rometools.modules.mediarss.types.Status;
import com.rometools.modules.mediarss.types.SubTitle;
import com.rometools.modules.mediarss.types.Tag;
import com.rometools.modules.mediarss.types.Text;
import com.rometools.modules.mediarss.types.Thumbnail;
import com.rometools.modules.mediarss.types.Time;
import com.rometools.modules.mediarss.types.UrlReference;
import com.rometools.rome.feed.module.Module;
import com.rometools.rome.io.ModuleParser;
import com.rometools.utils.Doubles;
import com.rometools.utils.Integers;
import com.rometools.utils.Longs;
import com.rometools.utils.Strings;
import com.rometools.utils.URIs;
/**
* @author Nathanial X. Freitas
*
*/
public class MediaModuleParser implements ModuleParser {
private static final Logger LOG = LoggerFactory.getLogger(MediaModuleParser.class);
private static final Namespace NS = Namespace.getNamespace(MediaModule.URI);
private static final Pattern FILESIZE_WITH_UNIT_PATTERN = Pattern.compile("([\\d,.]+)([TGMK])?B", Pattern.CASE_INSENSITIVE);
@Override
public String getNamespaceUri() {
return MediaModule.URI;
}
@Override
public Module parse(final Element mmRoot, final Locale locale) {
MediaModuleImpl mod = null;
if (mmRoot.getName().equals("channel") || mmRoot.getName().equals("feed")) {
mod = new MediaModuleImpl();
} else {
mod = new MediaEntryModuleImpl();
}
mod.setMetadata(parseMetadata(mmRoot, locale));
mod.setPlayer(parsePlayer(mmRoot));
if (mod instanceof MediaEntryModuleImpl) {
final MediaEntryModuleImpl m = (MediaEntryModuleImpl) mod;
m.setMediaContents(parseContent(mmRoot, locale));
m.setMediaGroups(parseGroup(mmRoot, locale));
}
return mod;
}
static long parseFileSize(String fileSizeAttrValue) {
String nonWSFileSize = fileSizeAttrValue.replaceAll("\\s", "");
if(nonWSFileSize.matches("\\d+")) {
return Long.valueOf(nonWSFileSize);
}
Matcher sizeWithUnitMatcher = FILESIZE_WITH_UNIT_PATTERN.matcher(nonWSFileSize);
if (sizeWithUnitMatcher.matches()) {
BigDecimal number = new BigDecimal(sizeWithUnitMatcher.group(1).replace(',', '.'));
BigDecimal multiplier = BigDecimal.valueOf(1);
if (sizeWithUnitMatcher.group(2) != null) {
char unit = sizeWithUnitMatcher.group(2).toLowerCase().charAt(0);
if (unit == 'k') {
multiplier = BigDecimal.valueOf(1000);
} else if (unit == 'm') {
multiplier = BigDecimal.valueOf(1000).pow(2);
} else if (unit == 'g') {
multiplier = BigDecimal.valueOf(1000).pow(3);
} else if (unit == 't') {
multiplier = BigDecimal.valueOf(1000).pow(4);
}
}
return number.multiply(multiplier).longValue();
}
throw new NumberFormatException("Invalid file size: " + fileSizeAttrValue);
}
/**
* @param e element to parse
* @param locale locale for parsing
* @return array of media:content elements
*/
private MediaContent[] parseContent(final Element e, final Locale locale) {
final List<Element> contents = e.getChildren("content", getNS());
final ArrayList<MediaContent> values = new ArrayList<MediaContent>();
try {
for (int i = 0; contents != null && i < contents.size(); i++) {
final Element content = contents.get(i);
MediaContent mc = null;
if (content.getAttributeValue("url") != null) {
try {
mc = new MediaContent(new UrlReference(URIs.parse(content.getAttributeValue("url"))));
mc.setPlayer(parsePlayer(content));
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
} else {
mc = new MediaContent(parsePlayer(content));
}
if (mc != null) {
values.add(mc);
try {
if (content.getAttributeValue("channels") != null) {
mc.setAudioChannels(Integer.valueOf(content.getAttributeValue("channels")));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
try {
if (content.getAttributeValue("bitrate") != null) {
mc.setBitrate(Float.valueOf(content.getAttributeValue("bitrate")));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
try {
if (content.getAttributeValue("duration") != null) {
mc.setDuration(Longs.parseDecimal(content.getAttributeValue("duration")));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
mc.setMedium(content.getAttributeValue("medium"));
final String expression = content.getAttributeValue("expression");
if (expression != null) {
if (expression.equalsIgnoreCase("full")) {
mc.setExpression(Expression.FULL);
} else if (expression.equalsIgnoreCase("sample")) {
mc.setExpression(Expression.SAMPLE);
} else if (expression.equalsIgnoreCase("nonstop")) {
mc.setExpression(Expression.NONSTOP);
}
}
try {
if (content.getAttributeValue("fileSize") != null) {
mc.setFileSize(parseFileSize(content.getAttributeValue("fileSize")));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
try {
if (content.getAttributeValue("framerate") != null) {
mc.setFramerate(Float.valueOf(content.getAttributeValue("framerate")));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
try {
if (content.getAttributeValue("height") != null) {
mc.setHeight(Integer.valueOf(content.getAttributeValue("height")));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
mc.setLanguage(content.getAttributeValue("lang"));
mc.setMetadata(parseMetadata(content, locale));
try {
if (content.getAttributeValue("samplingrate") != null) {
mc.setSamplingrate(Float.valueOf(content.getAttributeValue("samplingrate")));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
mc.setType(content.getAttributeValue("type"));
try {
if (content.getAttributeValue("width") != null) {
mc.setWidth(Integer.valueOf(content.getAttributeValue("width")));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
if (content.getAttributeValue("isDefault") != null) {
mc.setDefaultContent(Boolean.valueOf(content.getAttributeValue("isDefault")));
}
} else {
LOG.warn("Could not find MediaContent.");
}
}
} catch (final Exception ex) {
LOG.warn("Exception parsing content tag.", ex);
}
return values.toArray(new MediaContent[values.size()]);
}
/**
* @param e element to parse
* @param locale locale for parsing
* @return array of media:group elements
*/
private MediaGroup[] parseGroup(final Element e, final Locale locale) {
final List<Element> groups = e.getChildren("group", getNS());
final ArrayList<MediaGroup> values = new ArrayList<MediaGroup>();
for (int i = 0; groups != null && i < groups.size(); i++) {
final Element group = groups.get(i);
final MediaGroup g = new MediaGroup(parseContent(group, locale));
for (int j = 0; j < g.getContents().length; j++) {
if (g.getContents()[j].isDefaultContent()) {
g.setDefaultContentIndex(Integer.valueOf(j));
break;
}
}
g.setMetadata(parseMetadata(group, locale));
values.add(g);
}
return values.toArray(new MediaGroup[values.size()]);
}
/**
* @param e element to parse
* @param locale locale for parsing
* @return Metadata of media:group or media:content
*/
private Metadata parseMetadata(final Element e, final Locale locale) {
final Metadata md = new Metadata();
parseCategories(e, md);
parseCopyright(e, md);
parseCredits(e, md);
parseDescription(e, md);
parseHash(e, md);
parseKeywords(e, md);
parseRatings(e, md);
parseText(e, md);
parseThumbnail(e, md);
parseTitle(e, md);
parseRestrictions(e, md);
parseAdultMetadata(e, md);
parseBackLinks(e, md);
parseComments(e, md);
parseCommunity(e, md);
parsePrices(e, md);
parseResponses(e, md);
parseStatus(e, md);
parseEmbed(e, md);
parseLicenses(e, md);
parseSubTitles(e, md);
parsePeerLinks(e, md);
parseRights(e, md);
parseLocations(e, md, locale);
parseScenes(e, md);
return md;
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseScenes(final Element e, final Metadata md) {
final Element scenesElement = e.getChild("scenes", getNS());
if (scenesElement != null) {
final List<Element> sceneElements = scenesElement.getChildren("scene", getNS());
final Scene[] scenes = new Scene[sceneElements.size()];
for (int i = 0; i < sceneElements.size(); i++) {
scenes[i] = new Scene();
scenes[i].setTitle(sceneElements.get(i).getChildText("sceneTitle", getNS()));
scenes[i].setDescription(sceneElements.get(i).getChildText("sceneDescription", getNS()));
final String sceneStartTime = sceneElements.get(i).getChildText("sceneStartTime", getNS());
if (sceneStartTime != null) {
scenes[i].setStartTime(new Time(sceneStartTime));
}
final String sceneEndTime = sceneElements.get(i).getChildText("sceneEndTime", getNS());
if (sceneEndTime != null) {
scenes[i].setEndTime(new Time(sceneEndTime));
}
}
md.setScenes(scenes);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
* @param locale locale for parser
*/
private void parseLocations(final Element e, final Metadata md, final Locale locale) {
final List<Element> locationElements = e.getChildren("location", getNS());
final Location[] locations = new Location[locationElements.size()];
final SimpleParser geoRssParser = new SimpleParser();
for (int i = 0; i < locationElements.size(); i++) {
locations[i] = new Location();
locations[i].setDescription(locationElements.get(i).getAttributeValue("description"));
if (locationElements.get(i).getAttributeValue("start") != null) {
locations[i].setStart(new Time(locationElements.get(i).getAttributeValue("start")));
}
if (locationElements.get(i).getAttributeValue("end") != null) {
locations[i].setEnd(new Time(locationElements.get(i).getAttributeValue("end")));
}
final Module geoRssModule = geoRssParser.parse(locationElements.get(i), locale);
if (geoRssModule != null && geoRssModule instanceof GeoRSSModule) {
locations[i].setGeoRss((GeoRSSModule) geoRssModule);
}
}
md.setLocations(locations);
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseRights(final Element e, final Metadata md) {
final Element rightsElement = e.getChild("rights", getNS());
if (rightsElement != null && rightsElement.getAttributeValue("status") != null) {
md.setRights(RightsStatus.valueOf(rightsElement.getAttributeValue("status")));
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parsePeerLinks(final Element e, final Metadata md) {
final List<Element> peerLinkElements = e.getChildren("peerLink", getNS());
final PeerLink[] peerLinks = new PeerLink[peerLinkElements.size()];
for (int i = 0; i < peerLinkElements.size(); i++) {
peerLinks[i] = new PeerLink();
peerLinks[i].setType(peerLinkElements.get(i).getAttributeValue("type"));
if (peerLinkElements.get(i).getAttributeValue("href") != null) {
try {
peerLinks[i].setHref(new URL(peerLinkElements.get(i).getAttributeValue("href")));
} catch (MalformedURLException ex) {
LOG.warn("Exception parsing peerLink href attribute.", ex);
}
}
}
md.setPeerLinks(peerLinks);
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseSubTitles(final Element e, final Metadata md) {
final List<Element> subTitleElements = e.getChildren("subTitle", getNS());
final SubTitle[] subtitles = new SubTitle[subTitleElements.size()];
for (int i = 0; i < subTitleElements.size(); i++) {
subtitles[i] = new SubTitle();
subtitles[i].setType(subTitleElements.get(i).getAttributeValue("type"));
subtitles[i].setLang(subTitleElements.get(i).getAttributeValue("lang"));
if (subTitleElements.get(i).getAttributeValue("href") != null) {
try {
subtitles[i].setHref(new URL(subTitleElements.get(i).getAttributeValue("href")));
} catch (MalformedURLException ex) {
LOG.warn("Exception parsing subTitle href attribute.", ex);
}
}
}
md.setSubTitles(subtitles);
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseLicenses(final Element e, final Metadata md) {
final List<Element> licenseElements = e.getChildren("license", getNS());
final License[] licenses = new License[licenseElements.size()];
for (int i = 0; i < licenseElements.size(); i++) {
licenses[i] = new License();
licenses[i].setType(licenseElements.get(i).getAttributeValue("type"));
licenses[i].setValue(licenseElements.get(i).getTextTrim());
if (licenseElements.get(i).getAttributeValue("href") != null) {
try {
licenses[i].setHref(new URL(licenseElements.get(i).getAttributeValue("href")));
} catch (MalformedURLException ex) {
LOG.warn("Exception parsing license href attribute.", ex);
}
}
}
md.setLicenses(licenses);
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parsePrices(final Element e, final Metadata md) {
final List<Element> priceElements = e.getChildren("price", getNS());
final Price[] prices = new Price[priceElements.size()];
for (int i = 0; i < priceElements.size(); i++) {
final Element priceElement = priceElements.get(i);
prices[i] = new Price();
final String currency = priceElement.getAttributeValue("currency");
if (currency != null) {
try {
prices[i].setCurrency(Currency.getInstance(currency));
} catch (IllegalArgumentException ex) {
LOG.warn("Invalid currency", ex);
}
}
final String price = priceElement.getAttributeValue("price");
if (price != null) {
try {
prices[i].setPrice(new BigDecimal(price));
} catch (NumberFormatException ex) {
LOG.warn("Invalid price", ex);
}
}
if (priceElement.getAttributeValue("type") != null) {
prices[i].setType(Price.Type.valueOf(priceElement.getAttributeValue("type").toUpperCase()));
}
if (priceElement.getAttributeValue("info") != null) {
try {
prices[i].setInfo(new URL(priceElement.getAttributeValue("info")));
} catch (MalformedURLException ex) {
LOG.warn("Exception parsing price info attribute.", ex);
}
}
}
md.setPrices(prices);
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseStatus(final Element e, final Metadata md) {
final Element statusElement = e.getChild("status", getNS());
if (statusElement != null) {
final Status status = new Status();
status.setState(Status.State.valueOf(statusElement.getAttributeValue("state")));
status.setReason(statusElement.getAttributeValue("reason"));
md.setStatus(status);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseBackLinks(final Element e, final Metadata md) {
final Element backLinksElement = e.getChild("backLinks", getNS());
if (backLinksElement != null) {
final List<Element> backLinkElements = backLinksElement.getChildren("backLink", getNS());
final URL[] backLinks = new URL[backLinkElements.size()];
for (int i = 0; i < backLinkElements.size(); i++) {
try {
backLinks[i] = new URL(backLinkElements.get(i).getTextTrim());
} catch (MalformedURLException ex) {
LOG.warn("Exception parsing backLink tag.", ex);
}
}
md.setBackLinks(backLinks);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseComments(final Element e, final Metadata md) {
final Element commentsElement = e.getChild("comments", getNS());
if (commentsElement != null) {
final List<Element> commentElements = commentsElement.getChildren("comment", getNS());
final String[] comments = new String[commentElements.size()];
for (int i = 0; i < commentElements.size(); i++) {
comments[i] = commentElements.get(i).getTextTrim();
}
md.setComments(comments);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseResponses(final Element e, final Metadata md) {
final Element responsesElement = e.getChild("responses", getNS());
if (responsesElement != null) {
final List<Element> responseElements = responsesElement.getChildren("response", getNS());
final String[] responses = new String[responseElements.size()];
for (int i = 0; i < responseElements.size(); i++) {
responses[i] = responseElements.get(i).getTextTrim();
}
md.setResponses(responses);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseCommunity(final Element e, final Metadata md) {
final Element communityElement = e.getChild("community", getNS());
if (communityElement != null) {
final Community community = new Community();
final Element starRatingElement = communityElement.getChild("starRating", getNS());
if (starRatingElement != null) {
final StarRating starRating = new StarRating();
starRating.setAverage(Doubles.parse(starRatingElement.getAttributeValue("average")));
starRating.setCount(Integers.parse(starRatingElement.getAttributeValue("count")));
starRating.setMax(Integers.parse(starRatingElement.getAttributeValue("max")));
starRating.setMin(Integers.parse(starRatingElement.getAttributeValue("min")));
community.setStarRating(starRating);
}
final Element statisticsElement = communityElement.getChild("statistics", getNS());
if (statisticsElement != null) {
final Statistics statistics = new Statistics();
statistics.setFavorites(Integers.parse(statisticsElement.getAttributeValue("favorites")));
statistics.setViews(Integers.parse(statisticsElement.getAttributeValue("views")));
community.setStatistics(statistics);
}
final Element tagsElement = communityElement.getChild("tags", getNS());
if (tagsElement != null) {
final String tagsText = tagsElement.getTextTrim();
final String[] tags = tagsText.split("\\s*,\\s*");
for (String tagText : tags) {
final String[] tagParts = tagText.split("\\s*:\\s*");
final Tag tag = new Tag(tagParts[0]);
if (tagParts.length > 1) {
tag.setWeight(Integers.parse(tagParts[1]));
}
community.getTags().add(tag);
}
}
md.setCommunity(community);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseCategories(final Element e, final Metadata md) {
final List<Element> categories = e.getChildren("category", getNS());
final ArrayList<Category> values = new ArrayList<Category>();
for (int i = 0; categories != null && i < categories.size(); i++) {
try {
final Element cat = categories.get(i);
values.add(new Category(cat.getAttributeValue("scheme"), cat.getAttributeValue("label"), cat.getText()));
} catch (final Exception ex) {
LOG.warn("Exception parsing category tag.", ex);
}
}
md.setCategories(values.toArray(new Category[values.size()]));
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseCopyright(final Element e, final Metadata md) {
try {
final Element copy = e.getChild("copyright", getNS());
if (copy != null) {
md.setCopyright(copy.getText());
if (copy.getAttributeValue("url") != null) {
md.setCopyrightUrl(new URI(copy.getAttributeValue("url")));
}
}
} catch (final Exception ex) {
LOG.warn("Exception parsing copyright tag.", ex);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseCredits(final Element e, final Metadata md) {
final List<Element> credits = e.getChildren("credit", getNS());
final ArrayList<Credit> values = new ArrayList<Credit>();
for (int i = 0; credits != null && i < credits.size(); i++) {
try {
final Element cred = credits.get(i);
values.add(new Credit(cred.getAttributeValue("scheme"), cred.getAttributeValue("role"), cred.getText()));
md.setCredits(values.toArray(new Credit[values.size()]));
} catch (final Exception ex) {
LOG.warn("Exception parsing credit tag.", ex);
}
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseDescription(final Element e, final Metadata md) {
try {
final Element description = e.getChild("description", getNS());
if (description != null) {
md.setDescription(description.getText());
md.setDescriptionType(description.getAttributeValue("type"));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing description tag.", ex);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseEmbed(final Element e, final Metadata md) {
final Element embedElement = e.getChild("embed", getNS());
if (embedElement != null) {
final Embed embed = new Embed();
embed.setWidth(Integers.parse(embedElement.getAttributeValue("width")));
embed.setHeight(Integers.parse(embedElement.getAttributeValue("height")));
if (embedElement.getAttributeValue("url") != null) {
try {
embed.setUrl(new URL(embedElement.getAttributeValue("url")));
} catch (MalformedURLException ex) {
LOG.warn("Exception parsing embed tag.", ex);
}
}
final List<Element> paramElements = embedElement.getChildren("param", getNS());
embed.setParams(new Param[paramElements.size()]);
for (int i = 0; i < paramElements.size(); i++) {
embed.getParams()[i] = new Param(paramElements.get(i).getAttributeValue("name"), paramElements.get(i).getTextTrim());
}
md.setEmbed(embed);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseHash(final Element e, final Metadata md) {
try {
final Element hash = e.getChild("hash", getNS());
if (hash != null) {
md.setHash(new Hash(hash.getAttributeValue("algo"), hash.getText()));
}
} catch (final Exception ex) {
LOG.warn("Exception parsing hash tag.", ex);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseKeywords(final Element e, final Metadata md) {
final Element keywords = e.getChild("keywords", getNS());
if (keywords != null) {
final StringTokenizer tok = new StringTokenizer(keywords.getText(), ",");
final String[] value = new String[tok.countTokens()];
for (int i = 0; tok.hasMoreTokens(); i++) {
value[i] = tok.nextToken().trim();
}
md.setKeywords(value);
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseRatings(final Element e, final Metadata md) {
final ArrayList<Rating> values = new ArrayList<Rating>();
final List<Element> ratings = e.getChildren("rating", getNS());
for (final Element ratingElement : ratings) {
try {
final String ratingText = ratingElement.getText();
String ratingScheme = Strings.trimToNull(ratingElement.getAttributeValue("scheme"));
if (ratingScheme == null) {
ratingScheme = "urn:simple";
}
final Rating rating = new Rating(ratingScheme, ratingText);
values.add(rating);
} catch (final Exception ex) {
LOG.warn("Exception parsing rating tag.", ex);
}
}
md.setRatings(values.toArray(new Rating[values.size()]));
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseText(final Element e, final Metadata md) {
final List<Element> texts = e.getChildren("text", getNS());
final ArrayList<Text> values = new ArrayList<Text>();
for (int i = 0; texts != null && i < texts.size(); i++) {
try {
final Element text = texts.get(i);
Time start = null;
if (text.getAttributeValue("start") != null) {
start = new Time(text.getAttributeValue("start"));
}
Time end = null;
if (text.getAttributeValue("end") != null) {
end = new Time(text.getAttributeValue("end"));
}
values.add(new Text(text.getAttributeValue("type"), text.getTextTrim(), start, end));
} catch (final Exception ex) {
LOG.warn("Exception parsing text tag.", ex);
}
}
md.setText(values.toArray(new Text[values.size()]));
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseThumbnail(final Element e, final Metadata md) {
final ArrayList<Thumbnail> values = new ArrayList<Thumbnail>();
final List<Element> thumbnails = e.getChildren("thumbnail", getNS());
for (final Element thumb : thumbnails) {
try {
final String timeAttr = Strings.trimToNull(thumb.getAttributeValue("time"));
Time time = null;
if (timeAttr != null) {
time = new Time(timeAttr);
}
final String widthAttr = thumb.getAttributeValue("width");
final Integer width = Integers.parse(widthAttr);
final String heightAttr = thumb.getAttributeValue("height");
final Integer height = Integers.parse(heightAttr);
final String url = thumb.getAttributeValue("url");
final URI uri = new URI(url);
final Thumbnail thumbnail = new Thumbnail(uri, width, height, time);
values.add(thumbnail);
} catch (final Exception ex) {
LOG.warn("Exception parsing thumbnail tag.", ex);
}
}
md.setThumbnail(values.toArray(new Thumbnail[values.size()]));
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseTitle(final Element e, final Metadata md) {
final Element title = e.getChild("title", getNS());
if (title != null) {
md.setTitle(title.getText());
md.setTitleType(title.getAttributeValue("type"));
}
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseRestrictions(final Element e, final Metadata md) {
final List<Element> restrictions = e.getChildren("restriction", getNS());
final ArrayList<Restriction> values = new ArrayList<Restriction>();
for (int i = 0; i < restrictions.size(); i++) {
final Element r = restrictions.get(i);
Restriction.Type type = null;
String restrictionType = r.getAttributeValue("type");
if (restrictionType != null) {
if (restrictionType.equalsIgnoreCase(Restriction.Type.URI.toString())){
type = Restriction.Type.URI;
} else if (restrictionType.equalsIgnoreCase(Restriction.Type.COUNTRY.toString())) {
type = Restriction.Type.COUNTRY;
} else if (restrictionType.equalsIgnoreCase(Restriction.Type.SHARING.toString())) {
type = Restriction.Type.SHARING;
}
}
Restriction.Relationship relationship = null;
if (r.getAttributeValue("relationship").equalsIgnoreCase("allow")) {
relationship = Restriction.Relationship.ALLOW;
} else if (r.getAttributeValue("relationship").equalsIgnoreCase("deny")) {
relationship = Restriction.Relationship.DENY;
}
final Restriction value = new Restriction(relationship, type, r.getTextTrim());
values.add(value);
}
md.setRestrictions(values.toArray(new Restriction[values.size()]));
}
/**
* @param e element to parse
* @param md metadata to fill in
*/
private void parseAdultMetadata(final Element e, final Metadata md) {
final Element adult = e.getChild("adult", getNS());
if (adult != null && md.getRatings().length == 0) {
final Rating[] r = new Rating[1];
if (adult.getTextTrim().equals("true")) {
r[0] = new Rating("urn:simple", "adult");
} else {
r[0] = new Rating("urn:simple", "nonadult");
}
md.setRatings(r);
}
}
/**
* @param e element to parse
* @return PlayerReference element
*/
private PlayerReference parsePlayer(final Element e) {
final Element player = e.getChild("player", getNS());
PlayerReference p = null;
if (player != null) {
try {
Integer width = null;
if (player.getAttributeValue("width") != null) {
width = Integer.valueOf(player.getAttributeValue("width"));
}
Integer height = null;
if (player.getAttributeValue("height") != null) {
height = Integer.valueOf(player.getAttributeValue("height"));
}
p = new PlayerReference(new URI(player.getAttributeValue("url")), width, height);
} catch (final Exception ex) {
LOG.warn("Exception parsing player tag.", ex);
}
}
return p;
}
public Namespace getNS() {
return NS;
}
}