diff options
Diffstat (limited to 'core/src/main/java/de/danoeh/antennapod/core/opml/OpmlWriter.java')
-rw-r--r-- | core/src/main/java/de/danoeh/antennapod/core/opml/OpmlWriter.java | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/core/src/main/java/de/danoeh/antennapod/core/opml/OpmlWriter.java b/core/src/main/java/de/danoeh/antennapod/core/opml/OpmlWriter.java new file mode 100644 index 000000000..641190f62 --- /dev/null +++ b/core/src/main/java/de/danoeh/antennapod/core/opml/OpmlWriter.java @@ -0,0 +1,65 @@ +package de.danoeh.antennapod.core.opml; + +import android.util.Log; +import android.util.Xml; +import de.danoeh.antennapod.core.BuildConfig; +import de.danoeh.antennapod.core.feed.Feed; +import org.xmlpull.v1.XmlSerializer; + +import java.io.IOException; +import java.io.Writer; +import java.util.List; + +/** Writes OPML documents. */ +public class OpmlWriter { + private static final String TAG = "OpmlWriter"; + private static final String ENCODING = "UTF-8"; + private static final String OPML_VERSION = "2.0"; + private static final String OPML_TITLE = "AntennaPod Subscriptions"; + + /** + * Takes a list of feeds and a writer and writes those into an OPML + * document. + * + * @throws IOException + * @throws IllegalStateException + * @throws IllegalArgumentException + */ + public void writeDocument(List<Feed> feeds, Writer writer) + throws IllegalArgumentException, IllegalStateException, IOException { + if (BuildConfig.DEBUG) + Log.d(TAG, "Starting to write document"); + XmlSerializer xs = Xml.newSerializer(); + xs.setOutput(writer); + + xs.startDocument(ENCODING, false); + xs.startTag(null, OpmlSymbols.OPML); + xs.attribute(null, OpmlSymbols.VERSION, OPML_VERSION); + + xs.startTag(null, OpmlSymbols.HEAD); + xs.startTag(null, OpmlSymbols.TITLE); + xs.text(OPML_TITLE); + xs.endTag(null, OpmlSymbols.TITLE); + xs.endTag(null, OpmlSymbols.HEAD); + + xs.startTag(null, OpmlSymbols.BODY); + for (Feed feed : feeds) { + xs.startTag(null, OpmlSymbols.OUTLINE); + xs.attribute(null, OpmlSymbols.TEXT, feed.getTitle()); + xs.attribute(null, OpmlSymbols.TITLE, feed.getTitle()); + if (feed.getType() != null) { + xs.attribute(null, OpmlSymbols.TYPE, feed.getType()); + } + xs.attribute(null, OpmlSymbols.XMLURL, feed.getDownload_url()); + if (feed.getLink() != null) { + xs.attribute(null, OpmlSymbols.HTMLURL, feed.getLink()); + } + xs.endTag(null, OpmlSymbols.OUTLINE); + } + xs.endTag(null, OpmlSymbols.BODY); + xs.endTag(null, OpmlSymbols.OPML); + xs.endDocument(); + if (BuildConfig.DEBUG) + Log.d(TAG, "Finished writing document"); + } +} |