Revision 52235
Added by Miriam Baglioni almost 6 years ago
| HTTPWithFileNameCollectorIterable.java | ||
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package eu.dnetlib.data.collector.plugins.HTTPWithFileName; |
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import eu.dnetlib.data.collector.plugins.projects.gtr2.Gtr2ProjectsIterable; |
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import eu.dnetlib.data.collector.rmi.CollectorServiceException; |
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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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public class HTTPWithFileNameCollectorIterable implements Iterable<String> {
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private static final Log log = LogFactory.getLog(HTTPWithFileNameCollectorIterable.class); |
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private final String TERMINATOR = "FINITO"; |
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final ArrayBlockingQueue<String> queue = new ArrayBlockingQueue<String>(100); |
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private final ArrayList<String> urls = new ArrayList<>(); |
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private final ArrayList<String> metas = new ArrayList<String>(); |
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private String filter; |
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private String filterParam;
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int total = 0; |
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int filtered = 0; |
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public HTTPWithFileNameCollectorIterable(String startUrl, String filter){
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urls.add(startUrl); |
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this.filter = filter; |
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if (!startUrl.isEmpty()) |
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urls.add(startUrl); |
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this.filterParam = filter; |
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Thread ft = new Thread(new FillMetaQueue()); |
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ft.start(); |
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} |
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private boolean containsFilter(String meta){
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/* private boolean containsFilter(String meta){
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if (filter == null || filter.isEmpty()) |
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return false; |
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String[] filter = this.filter.split(";");
|
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urls.add(url+file); |
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} |
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} |
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} |
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}*/
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@Override |
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public Iterator<String> iterator() {
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final ArrayBlockingQueue<String> queue = new ArrayBlockingQueue<String>(100); |
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return new Iterator<String>(){
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int total = 0; |
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/* int total = 0;
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int filtered = 0; |
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public void fillQueue() {
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Connector c = new Connector(); |
| ... | ... | |
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} |
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} |
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}*/
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@Override |
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public boolean hasNext() {
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if (queue.isEmpty()){
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while (queue.isEmpty()); |
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if (queue.peek().equals(TERMINATOR)) |
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log.info(String.format("Total number of metadata %d, Number of metadata filtered %d", total, filtered));
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return !queue.peek().equals(TERMINATOR); |
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/*if (queue.isEmpty()){
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fillQueue(); |
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} |
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if(queue.isEmpty()){
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log.info(String.format("Total number of metadata %d, Number of metadata filtered %d", total, filtered));
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return false; |
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} |
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}*/
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// if(queue.isEmpty()){
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//log.info(String.format("Total number of metadata %d, Number of metadata filtered %d", total, filtered));
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// return false;
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//}
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return true; |
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//return true;
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} |
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@Override |
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return queue.poll(); |
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} |
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// @Override |
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// public void remove() {
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// |
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// } |
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// |
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// @Override |
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// public void forEachRemaining(Consumer<? super String> action) {
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// |
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// } |
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}; |
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} |
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private class FillMetaQueue implements Runnable{
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Connector c = new Connector(); |
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public void fillQueue() {
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String url; |
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while((metas.size()>0 || urls.size() > 0 )){
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log.debug("metas.size() = " + metas.size() + " urls.size() = " + urls.size() + " queue.size() = " +queue.size());
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if (metas.size() > 0){
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url = metas.remove(0); |
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try {
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c.get(url); |
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} catch (CollectorServiceException e) {
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log.info("Impossible to collect url: " + url + " error: " + e.getMessage());
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} |
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if(c.isStatusOk()){
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try {
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String ret = c.getResponse(); |
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if (ret != null && ret.length()>0) {
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if (!containsFilter(ret)) |
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queue.put(addFilePath(ret, url, url.endsWith(".json")));
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else |
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filtered++; |
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total++; |
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} |
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} catch (InterruptedException e) {
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log.info("not inserted in queue element associate to url " + url + " error: " + e.getMessage() );
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} |
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} |
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}else{
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url = urls.remove(0); |
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try {
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c.get(url); |
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} catch (CollectorServiceException e) {
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log.info("Impossible to collect url: " + url + " error: " + e.getMessage());
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} |
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if(c.isStatusOk()){
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if (c.responseTypeContains("text/html")){
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recurFolder(c.getResponse(),url); |
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} |
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else if(c.responseTypeContains("application/json") || c.responseTypeContains("application/xml")){
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try {
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queue.put(addFilePath(c.getResponse(),url, c.responseTypeContains("application/json")));
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} catch (InterruptedException e) {
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log.info("not inserted in queue element associate to url " + url + " error: " + e.getMessage() );
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} |
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} |
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} |
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} |
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} |
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try {
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queue.put(TERMINATOR); |
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} catch (InterruptedException e) {
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e.printStackTrace(); |
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} |
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} |
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private boolean containsFilter(String meta){
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if (filterParam == null || filterParam.isEmpty()) |
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return false; |
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String[] filter = filterParam.split(";");
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for(String item:filter){
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if (meta.contains(item)) |
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return true; |
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} |
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return false; |
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} |
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private String addFilePath(String meta,String url, boolean isJson){
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String path = url.replace("metadata", "pdf");
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try {
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if(isJson) |
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meta = meta.substring(0, meta.length() - 1) + ",'downloadFileUrl':'" + path.substring(0, path.indexOf(".json")) + ".pdf'}";
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else{
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if (meta.contains("<!DOCTYPE")) {
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meta = meta.substring(meta.indexOf("<!DOCTYPE"));
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meta = meta.substring(meta.indexOf(">") + 1);
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} |
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int index = meta.lastIndexOf("</");
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meta = meta.substring(0, index) + "<downloadFileUrl>" + path.substring(0, path.indexOf(".xml")) + ".pdf</downloadFileUrl>" + meta.substring(index);
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} |
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}catch(Exception ex){
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log.info("not file with extension .json or .xml");
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} |
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if(isJson){
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JSONObject jsonobj = null; |
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try {
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jsonobj = new JSONObject("{'resource':" + meta + "}");
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return XML.toString(jsonobj); |
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}catch(Exception e){
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log.fatal("Impossible to transform json object to xml \n" + jsonobj + "\n " + e.getMessage() + "\n" + url);
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throw new RuntimeException(); |
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} |
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} |
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return meta; |
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} |
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private void recurFolder(String text, String url){
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Document doc = Jsoup.parse(text); |
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Elements links = doc.select("a");
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for(Element e:links){
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if (!e.text().equals("../")){
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String file = e.attr("href");
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if(file.endsWith(".json") || file.endsWith(".xml"))
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metas.add(url+file); |
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else |
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urls.add(url+file); |
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} |
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} |
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} |
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@Override |
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public void run() {
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fillQueue(); |
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} |
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} |
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} |
Also available in: Unified diff
changed implementation of data gathering