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Merge pull request #238 from rrooij/yt_streampreviewextractor 

Move YoutubeStreamPreviewInfoExtractor to separate class
This commit is contained in:
Christian Schabesberger 2016-03-13 02:59:43 +01:00
parent e9b900ff28 21768432c8
commit fec80b39f0
2 changed files with 136 additions and 121 deletions
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122
app/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSearchEngine.java
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@ -187,126 +187,6 @@ public class YoutubeSearchEngine extends SearchEngine {
}
private StreamPreviewInfoExtractor extractPreviewInfo(final Element item) {
return new StreamPreviewInfoExtractor() {
@Override
public String getWebPageUrl() throws ParsingException {
try {
Element el = item.select("div[class*=\"yt-lockup-video\"").first();
Element dl = el.select("h3").first().select("a").first();
return dl.attr("abs:href");
} catch (Exception e) {
throw new ParsingException("Could not get web page url for the video", e);
}
}
@Override
public String getTitle() throws ParsingException {
try {
Element el = item.select("div[class*=\"yt-lockup-video\"").first();
Element dl = el.select("h3").first().select("a").first();
return dl.text();
} catch (Exception e) {
throw new ParsingException("Could not get title", e);
}
}
@Override
public int getDuration() throws ParsingException {
try {
return YoutubeParsingHelper.parseDurationString(
item.select("span[class=\"video-time\"]").first().text());
} catch(Exception e) {
if(isLiveStream(item)) {
// -1 for no duration
return -1;
} else {
throw new ParsingException("Could not get Duration", e);
}
}
}
@Override
public String getUploader() throws ParsingException {
try {
return item.select("div[class=\"yt-lockup-byline\"]").first()
.select("a").first()
.text();
} catch (Exception e) {
throw new ParsingException("Could not get uploader", e);
}
}
@Override
public String getUploadDate() throws ParsingException {
try {
return item.select("div[class=\"yt-lockup-meta\"]").first()
.select("li").first()
.text();
} catch(Exception e) {
throw new ParsingException("Could not get uplaod date", e);
}
}
@Override
public long getViewCount() throws ParsingException {
String output;
String input;
try {
input = item.select("div[class=\"yt-lockup-meta\"]").first()
.select("li").get(1)
.text();
} catch (IndexOutOfBoundsException e) {
if(isLiveStream(item)) {
// -1 for no view count
return -1;
} else {
throw new ParsingException(
"Could not parse yt-lockup-meta although available", e);
}
}
output = Parser.matchGroup1("([0-9,\\. ]*)", input)
.replace(" ", "")
.replace(".", "")
.replace(",", "");
try {
return Long.parseLong(output);
} catch (NumberFormatException e) {
// if this happens the video probably has no views
if(!input.isEmpty()) {
return 0;
} else {
throw new ParsingException("Could not handle input: " + input, e);
}
}
}
@Override
public String getThumbnailUrl() throws ParsingException {
try {
String url;
Element te = item.select("div[class=\"yt-thumb video-thumb\"]").first()
.select("img").first();
url = te.attr("abs:src");
// Sometimes youtube sends links to gif files which somehow seem to not exist
// anymore. Items with such gif also offer a secondary image source. So we are going
// to use that if we've caught such an item.
if (url.contains(".gif")) {
url = te.attr("abs:data-thumb");
}
return url;
} catch (Exception e) {
throw new ParsingException("Could not get thumbnail url", e);
}
}
private boolean isLiveStream(Element item) {
Element bla = item.select("span[class*=\"yt-badge-live\"]").first();
return bla != null;
}
};
return new YoutubeStreamPreviewInfoExtractor(item);
}
}

135
app/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeStreamPreviewInfoExtractor.java Normal file
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@ -0,0 +1,135 @@
package org.schabi.newpipe.extractor.services.youtube;
import org.jsoup.nodes.Element;
import org.schabi.newpipe.extractor.Parser;
import org.schabi.newpipe.extractor.ParsingException;
import org.schabi.newpipe.extractor.StreamPreviewInfoExtractor;
public class YoutubeStreamPreviewInfoExtractor implements StreamPreviewInfoExtractor {
private final Element item;
public YoutubeStreamPreviewInfoExtractor(Element item) {
this.item = item;
}
@Override
public String getWebPageUrl() throws ParsingException {
try {
Element el = item.select("div[class*=\"yt-lockup-video\"").first();
Element dl = el.select("h3").first().select("a").first();
return dl.attr("abs:href");
} catch (Exception e) {
throw new ParsingException("Could not get web page url for the video", e);
}
}
@Override
public String getTitle() throws ParsingException {
try {
Element el = item.select("div[class*=\"yt-lockup-video\"").first();
Element dl = el.select("h3").first().select("a").first();
return dl.text();
} catch (Exception e) {
throw new ParsingException("Could not get title", e);
}
}
@Override
public int getDuration() throws ParsingException {
try {
return YoutubeParsingHelper.parseDurationString(
item.select("span[class=\"video-time\"]").first().text());
} catch(Exception e) {
if(isLiveStream(item)) {
// -1 for no duration
return -1;
} else {
throw new ParsingException("Could not get Duration", e);
}
}
}
@Override
public String getUploader() throws ParsingException {
try {
return item.select("div[class=\"yt-lockup-byline\"]").first()
.select("a").first()
.text();
} catch (Exception e) {
throw new ParsingException("Could not get uploader", e);
}
}
@Override
public String getUploadDate() throws ParsingException {
try {
return item.select("div[class=\"yt-lockup-meta\"]").first()
.select("li").first()
.text();
} catch(Exception e) {
throw new ParsingException("Could not get uplaod date", e);
}
}
@Override
public long getViewCount() throws ParsingException {
String output;
String input;
try {
input = item.select("div[class=\"yt-lockup-meta\"]").first()
.select("li").get(1)
.text();
} catch (IndexOutOfBoundsException e) {
if(isLiveStream(item)) {
// -1 for no view count
return -1;
} else {
throw new ParsingException(
"Could not parse yt-lockup-meta although available", e);
}
}
output = Parser.matchGroup1("([0-9,\\. ]*)", input)
.replace(" ", "")
.replace(".", "")
.replace(",", "");
try {
return Long.parseLong(output);
} catch (NumberFormatException e) {
// if this happens the video probably has no views
if(!input.isEmpty()) {
return 0;
} else {
throw new ParsingException("Could not handle input: " + input, e);
}
}
}
@Override
public String getThumbnailUrl() throws ParsingException {
try {
String url;
Element te = item.select("div[class=\"yt-thumb video-thumb\"]").first()
.select("img").first();
url = te.attr("abs:src");
// Sometimes youtube sends links to gif files which somehow seem to not exist
// anymore. Items with such gif also offer a secondary image source. So we are going
// to use that if we've caught such an item.
if (url.contains(".gif")) {
url = te.attr("abs:data-thumb");
}
return url;
} catch (Exception e) {
throw new ParsingException("Could not get thumbnail url", e);
}
}
private boolean isLiveStream(Element item) {
Element bla = item.select("span[class*=\"yt-badge-live\"]").first();
return bla != null;
}
}