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package de.podfetcher.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();
}
}
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