/*
* WPCleaner: A tool to help on Wikipedia maintenance tasks.
* Copyright (C) 2013 Nicolas Vervelle
*
* See README.txt file for licensing information.
*/
package org.wikipediacleaner.api.request.query.prop;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.commons.httpclient.HttpClient;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.filter.Filters;
import org.jdom2.xpath.XPathExpression;
import org.jdom2.xpath.XPathFactory;
import org.wikipediacleaner.api.APIException;
import org.wikipediacleaner.api.constants.EnumWikipedia;
import org.wikipediacleaner.api.data.DataManager;
import org.wikipediacleaner.api.data.Page;
import org.wikipediacleaner.api.request.ApiRequest;
import org.wikipediacleaner.api.request.ApiXmlResult;
/**
* MediaWiki API XML redirects results.
*/
public class ApiXmlRedirectsResult extends ApiXmlResult implements ApiRedirectsResult {
/**
* @param wiki Wiki on which requests are made.
* @param httpClient HTTP client for making requests.
*/
public ApiXmlRedirectsResult(
EnumWikipedia wiki,
HttpClient httpClient) {
super(wiki, httpClient);
}
/**
* Execute redirects request.
*
* @param properties Properties defining request.
* @param page Page.
* @param list List to be filled with redirects to the page.
* @return True if request should be continued.
* @throws APIException
*/
@Override
public boolean executeRedirects(
Map<String, String> properties,
Page page,
List<Page> list)
throws APIException {
try {
Element root = getRoot(properties, ApiRequest.MAX_ATTEMPTS);
// Retrieve redirects
XPathExpression<Element> xpa = XPathFactory.instance().compile(
"/api/query/pages/page/redirects/rd", Filters.element());
List<Element> listRedirects = xpa.evaluate(root);
Iterator<Element> itRedirects = listRedirects.iterator();
while (itRedirects.hasNext()) {
Element currentRedirect = itRedirects.next();
Page link = DataManager.getPage(
getWiki(), currentRedirect.getAttributeValue("title"), null, null, null);
link.setNamespace(currentRedirect.getAttributeValue("ns"));
link.setPageId(currentRedirect.getAttributeValue("pageid"));
link.addRedirect(page);
if (!list.contains(link)) {
list.add(link);
}
}
// Retrieve continue
return shouldContinue(
root, "/api/query-continue/redirects",
properties);
} catch (JDOMException e) {
log.error("Error loading redirects", e);
throw new APIException("Error parsing XML", e);
}
}
}