Implemented opml reader

2 files changed, 124 insertions, 0 deletions

diff --git a/src/de/danoeh/antennapod/opml/OpmlElement.java b/src/de/danoeh/antennapod/opml/OpmlElement.java
new file mode 100644
index 000000000..4cb563c04
--- /dev/null
+++ b/src/de/danoeh/antennapod/opml/OpmlElement.java
@@ -0,0 +1,46 @@
+package de.danoeh.antennapod.opml;
+
+/** Represents a single feed in an OPML file. */
+public class OpmlElement {
+	private String text;
+	private String xmlUrl;
+	private String htmlUrl;
+	private String type;
+
+	public OpmlElement() {
+
+	}
+
+	public String getText() {
+		return text;
+	}
+
+	public void setText(String text) {
+		this.text = text;
+	}
+
+	public String getXmlUrl() {
+		return xmlUrl;
+	}
+
+	public void setXmlUrl(String xmlUrl) {
+		this.xmlUrl = xmlUrl;
+	}
+
+	public String getHtmlUrl() {
+		return htmlUrl;
+	}
+
+	public void setHtmlUrl(String htmlUrl) {
+		this.htmlUrl = htmlUrl;
+	}
+
+	public String getType() {
+		return type;
+	}
+
+	public void setType(String type) {
+		this.type = type;
+	}
+
+}
diff --git a/src/de/danoeh/antennapod/opml/OpmlReader.java b/src/de/danoeh/antennapod/opml/OpmlReader.java
new file mode 100644
index 000000000..82ba38dea
--- /dev/null
+++ b/src/de/danoeh/antennapod/opml/OpmlReader.java
@@ -0,0 +1,78 @@
+package de.danoeh.antennapod.opml;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.util.ArrayList;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+
+import de.danoeh.antennapod.AppConfig;
+
+import android.content.Context;
+import android.util.Log;
+
+/** Reads OPML documents. */
+public class OpmlReader {
+	private static final String TAG = "OpmlReader";
+	
+	// TAGS
+	private static final String OPML = "opml";
+	private static final String BODY = "body";
+	private static final String OUTLINE = "outline";
+	private static final String TEXT = "text";
+	private static final String XMLURL = "xmlUrl";
+	private static final String HTMLURL = "htmlUrl";
+	private static final String TYPE = "type";
+	
+	// ATTRIBUTES
+	private boolean isInOpml = false;
+	private boolean isInBody = false;
+	private ArrayList<OpmlElement> elementList;
+	
+	/** Reads an Opml document and returns a list of all OPML elements it can find 
+	 * @throws IOException
+	 * @throws XmlPullParserException*/
+	public ArrayList<OpmlElement> readDocument(Reader reader) throws XmlPullParserException, IOException {
+		elementList = new ArrayList<OpmlElement>();
+		XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
+        factory.setNamespaceAware(true);
+        XmlPullParser xpp = factory.newPullParser();
+        xpp.setInput(reader);
+        int eventType = xpp.getEventType();
+        
+        while (eventType != XmlPullParser.END_DOCUMENT) {
+        	switch (eventType) {
+        	case XmlPullParser.START_DOCUMENT:
+        		if (AppConfig.DEBUG) Log.d(TAG, "Reached beginning of document");
+        		break;
+        	case XmlPullParser.START_TAG:
+        		if (xpp.getName().equals(OPML)) {
+        			isInOpml = true;
+        			if (AppConfig.DEBUG) Log.d(TAG, "Reached beginning of OPML tree.");
+        		} else if (isInOpml && xpp.getName().equals(BODY)) {
+        			isInBody = true;
+        			if (AppConfig.DEBUG) Log.d(TAG, "Reached beginning of body tree.");
+
+        		} else if (isInBody && xpp.getName().equals(OUTLINE)) {
+        			if (AppConfig.DEBUG) Log.d(TAG, "Found new Opml element");
+        			OpmlElement element = new OpmlElement();
+        			element.setText(xpp.getAttributeValue(null, TEXT));
+        			element.setXmlUrl(xpp.getAttributeValue(null, XMLURL));
+        			element.setHtmlUrl(xpp.getAttributeValue(null, HTMLURL));
+        			element.setType(xpp.getAttributeValue(null, TYPE));
+        			elementList.add(element);
+        		}
+        		break;
+        	}
+        	eventType = xpp.next();
+        }
+        
+        if (AppConfig.DEBUG) Log.d(TAG, "Parsing finished.");
+        
+		return elementList;
+	}
+	
+
+}