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package cgeo.geocaching.loaders;
import cgeo.geocaching.SearchResult;
import cgeo.geocaching.connector.gc.GCConstants;
import cgeo.geocaching.network.Network;
import cgeo.geocaching.network.Parameters;
import cgeo.geocaching.utils.Log;
import cgeo.geocaching.utils.TextUtils;
import org.apache.commons.lang3.StringUtils;
import android.content.Context;
import android.os.Handler;
import android.support.v4.content.AsyncTaskLoader;
public abstract class AbstractSearchLoader extends AsyncTaskLoader<SearchResult> implements RecaptchaReceiver {
public enum CacheListLoaderType {
OFFLINE,
HISTORY,
NEAREST,
COORDINATE,
KEYWORD,
ADDRESS,
USERNAME,
OWNER,
MAP,
REMOVE_FROM_HISTORY,
NEXT_PAGE;
}
private Handler recaptchaHandler = null;
private String recaptchaChallenge = null;
private String recaptchaKey = null;
private String recaptchaText = null;
private SearchResult search;
private boolean loading;
public AbstractSearchLoader(Context context) {
super(context);
}
public abstract SearchResult runSearch();
public boolean isLoading() {
return loading;
}
@Override
public SearchResult loadInBackground() {
loading = true;
try {
if (search == null) {
search = runSearch();
} else {
// Unless we make a new Search the Loader framework won't deliver results. It does't do equals only identity
search = new SearchResult(search);
}
} catch (Exception e) {
Log.e("Error in Loader ", e);
}
loading = false;
if (search == null) {
search = new SearchResult();
}
return search;
}
@Override
public boolean takeContentChanged() {
return super.takeContentChanged();
}
@Override
protected void onStartLoading() {
forceLoad();
}
public void setRecaptchaHandler(Handler recaptchaHandlerIn) {
recaptchaHandler = recaptchaHandlerIn;
}
@Override
public void notifyNeed() {
if (recaptchaHandler != null) {
recaptchaHandler.sendEmptyMessage(1);
}
}
@Override
public synchronized void waitForUser() {
try {
wait();
} catch (InterruptedException e) {
Log.w("searchThread is not waiting for user…");
}
}
@Override
public void setKey(String key) {
recaptchaKey = key;
}
@Override
public String getKey() {
return recaptchaKey;
}
@Override
public void fetchChallenge() {
recaptchaChallenge = null;
if (StringUtils.isNotEmpty(recaptchaKey)) {
final Parameters params = new Parameters("k", getKey());
final String recaptchaJs = Network.getResponseData(Network.getRequest("http://www.google.com/recaptcha/api/challenge", params));
if (StringUtils.isNotBlank(recaptchaJs)) {
recaptchaChallenge = TextUtils.getMatch(recaptchaJs, GCConstants.PATTERN_SEARCH_RECAPTCHACHALLENGE, true, 1, null, true);
}
}
}
@Override
public String getChallenge() {
return recaptchaChallenge;
}
@Override
public synchronized void setText(String text) {
recaptchaText = text;
notify();
}
@Override
public synchronized String getText() {
return recaptchaText;
}
@Override
public void reset() {
super.reset();
search = null;
}
}
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