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NewPipe
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Move YoutubeStreamPreviewInfoExtractor to separate class 

The class should be separate because channel support in the future would require video preview extraction too, which doesn't differ much from the extraction done from the search results.
This commit is contained in:
rrooij 2016-03-12 18:15:20 +01:00
parent e9b900ff28
commit 21768432c8
2 changed files with 136 additions and 121 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

122
app/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeSearchEngine.java
View File

@ -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;
}
}