1 files changed, 39 insertions, 0 deletions
diff --git a/src/de/danoeh/antennapod/util/URLChecker.java b/src/de/danoeh/antennapod/util/URLChecker.java
new file mode 100644
index 000000000..f5e202946
--- /dev/null
+++ b/src/de/danoeh/antennapod/util/URLChecker.java
@@ -0,0 +1,39 @@
+package de.danoeh.antennapod.util;
+
+import android.util.Log;
+
+/** Provides methods for checking and editing a URL.*/
+public final class URLChecker {
+
+    /**Class shall not be instantiated.*/
+    private URLChecker() {
+    }
+
+    /**Logging tag.*/
+    private static final String TAG = "URLChecker";
+    /**Indicator for URLs made by Feedburner.*/
+    private static final String FEEDBURNER_URL = "feeds.feedburner.com";
+    /**Prefix that is appended to URLs by Feedburner.*/
+    private static final String FEEDBURNER_PREFIX = "?format=xml";
+
+    /** Checks if URL is valid and modifies it if necessary.
+     *  @param url The url which is going to be prepared
+     *  @return The prepared url
+     * */
+    public static String prepareURL(final String url) {
+        StringBuilder builder = new StringBuilder();
+
+        if (!url.startsWith("http")) {
+            builder.append("http://");
+            Log.d(TAG, "Missing http; appending");
+        }
+        builder.append(url);
+
+        if (url.contains(FEEDBURNER_URL)) {
+            Log.d(TAG,
+            "URL seems to be Feedburner URL; appending prefix");
+            builder.append(FEEDBURNER_PREFIX);
+        }
+        return builder.toString();
+    }
+}