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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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/**
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* The Class EasyPDFDownloadPlugin.
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*/
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public class EasyPDFDownloadPlugin extends AbstractDownloadPlugin implements DownloadPlugin {
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/*
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* (non-Javadoc)
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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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if (checkOpenAccess(input) == null) {
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return null;
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}
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if (input == null) {
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return null;
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}
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String url = input.getOriginalUrl();
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if (url == null || url.trim().length() == 0) {
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return input;
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}
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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) {
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return input;
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}
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if (checkUrlsNotNull(input, urls))
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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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}
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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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* (non-Javadoc)
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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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return "easyPDFDownloadPlugin";
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}
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@Override
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public void setBasePath(final String basePath) {
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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.endsWith(".pdf") ? baseURL : null;
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}
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}
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