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/**
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*
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*/
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package eu.dnetlib.download.plugin;
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import java.util.ArrayList;
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import java.util.List;
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import com.google.common.base.Function;
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import com.google.common.collect.Iterables;
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import com.google.gson.Gson;
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import eu.dnetlib.data.download.rmi.AbstractDownloadPlugin;
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import eu.dnetlib.data.download.rmi.DownloadItem;
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import eu.dnetlib.data.download.rmi.DownloadPlugin;
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import eu.dnetlib.data.download.rmi.DownloadPluginException;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* @author sandro
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*/
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public class HALPdfDocumentPlugin extends AbstractDownloadPlugin implements DownloadPlugin {
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private static final Log log = LogFactory.getLog(HALPdfDocumentPlugin.class); // NOPMD by marko on 11/24/08 5:02 PM
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.data.download.rmi.DownloadPlugin#getPluginName()
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*/
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@Override
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public String getPluginName() {
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// TODO Auto-generated method stub
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return "HALPdfDocumentPlugin";
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.data.download.rmi.DownloadPlugin#retrieveUrls(java.lang.Iterable)
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*/
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@Override
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public Iterable<DownloadItem> retrieveUrls(final Iterable<DownloadItem> urls) {
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return Iterables.transform(urls, new Function<DownloadItem, DownloadItem>() {
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@Override
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public DownloadItem apply(final DownloadItem input) {
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return retrieveUrl(input);
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}
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});
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.data.download.rmi.DownloadPlugin#retrieveUrl(eu.dnetlib.data.download.rmi.DownloadItem)
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*/
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@Override
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public DownloadItem retrieveUrl(final DownloadItem input) {
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try {
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if (checkOpenAccess(input) == null) return null;
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if (input == null) return null;
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String url = input.getOriginalUrl();
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if ((url == null) || (url.trim().length() == 0)) return input;
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@SuppressWarnings("unchecked")
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List<String> urls = new Gson().fromJson(url, ArrayList.class);
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if ((urls == null) || (urls.size() == 0)) return input;
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if (checkUrlsNotNull(input, urls)) return input;
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input.setOriginalUrl(null);
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input.setUrl(null);
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return input;
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} catch (Throwable e) {
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log.error("Error on retrieving URL", e);
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input.setOriginalUrl(null);
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input.setUrl(null);
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return input;
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}
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}
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/**
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* {@inheritDoc}
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*
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* @see eu.dnetlib.data.download.rmi.DownloadPlugin#setBasePath(java.lang.String)
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*/
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@Override
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public void setBasePath(final String arg0) {
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// TODO Auto-generated method stub
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}
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@Override
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public String extractURL(String baseURL) throws DownloadPluginException {
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return baseURL.toLowerCase().endsWith("document") ? baseURL : null;
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}
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}
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