Revision 28290
Added by Michele Artini about 10 years ago
| IndexClient.java | ||
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import javax.annotation.Resource; |
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import javax.xml.ws.wsaddressing.W3CEndpointReference; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import org.dom4j.Document; |
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import org.dom4j.DocumentException; |
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import org.dom4j.Node; |
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import eu.dnetlib.data.provision.index.rmi.IndexService; |
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import eu.dnetlib.data.provision.index.rmi.IndexServiceException; |
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import eu.dnetlib.enabling.resultset.ResultSetFactory; |
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import eu.dnetlib.enabling.resultset.client.ResultSetClientFactory; |
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import eu.dnetlib.enabling.resultset.rmi.ResultSetException; |
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import eu.dnetlib.enabling.resultset.rmi.ResultSetService; |
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import eu.dnetlib.enabling.tools.ServiceLocator; |
| ... | ... | |
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import eu.dnetlib.functionality.modular.ui.lightui.objects.BrowseFieldResult; |
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import eu.dnetlib.functionality.modular.ui.lightui.objects.BrowseValue; |
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import eu.dnetlib.functionality.modular.ui.lightui.objects.SearchResult; |
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import eu.dnetlib.miscutils.functional.UnaryFunction; |
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public class IndexClient {
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private ServiceLocator<IndexService> indexLocator; |
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@Resource |
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private ResultSetClientFactory resultSetClientFactory; |
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@Resource |
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private ServiceResolver serviceResolver; |
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private String mdFormat; |
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private String layout; |
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private String interpretation; |
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private String browseFields; |
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private int maxBrowseValues = 20; |
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private int pageSize = 10; |
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private UnaryFunction<String, String> toRow; |
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private UnaryFunction<String, String> toDocument; |
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private static final Log log = LogFactory.getLog(IndexClient.class); |
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public List<BrowseFieldResult> browse(final String query) throws IndexServiceException, DocumentException {
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final W3CEndpointReference epr = indexLocator.getService().browse(query, mdFormat, layout, interpretation);
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public List<BrowseFieldResult> browse(final String query) throws IndexServiceException, DocumentException, ResultSetException {
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final String q = "(" + query + ")&groupby=" + browseFields.replaceAll("\\s", "");
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log.info("executing browse query: " + q);
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final W3CEndpointReference epr = indexLocator.getService().browse(q, mdFormat, layout, interpretation); |
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final List<BrowseFieldResult> list = Lists.newArrayList(); |
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final SAXReader reader = new SAXReader(); |
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for (String s : resultSetClientFactory.getClient(epr)) {
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final Document doc = reader.read(new StringReader(s)); |
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final ResultSetService rs = serviceResolver.getService(ResultSetService.class, epr); |
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final String rsId = serviceResolver.getResourceIdentifier(epr); |
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final int total = rs.getNumberOfElements(rsId); |
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for (Object o : doc.selectNodes("//groupresult")) {
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final Node node = (Node) o; |
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final String field = node.valueOf("@field");
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final String value = node.valueOf("./value");
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int size = Integer.parseInt(node.valueOf("./count"));
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if (total > 0) {
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boolean notFound = true; |
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for (int i = 0; (i < list.size()) && notFound; i++) {
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final BrowseFieldResult elem = list.get(i); |
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if (elem.getField().equals(field)) {
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int to = Math.min(maxBrowseValues, total); |
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final SAXReader reader = new SAXReader(); |
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for (String s : rs.getResult(rsId, 1, to, "WAITING")) {
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final Document doc = reader.read(new StringReader(s)); |
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for (Object o : doc.selectNodes("//groupresult")) {
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final Node node = (Node) o; |
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final String field = node.valueOf("@field");
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final String value = node.valueOf("./value");
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final int size = Integer.parseInt(node.valueOf("./count"));
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boolean notFound = true; |
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for (int i = 0; (i < list.size()) && notFound; i++) {
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final BrowseFieldResult elem = list.get(i); |
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if (elem.getField().equals(field)) {
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elem.getValues().add(new BrowseValue(value, size)); |
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notFound = false; |
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} |
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} |
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if (notFound) {
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final BrowseFieldResult elem = new BrowseFieldResult(field, new ArrayList<BrowseValue>()); |
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elem.getValues().add(new BrowseValue(value, size)); |
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notFound = false;
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list.add(elem);
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} |
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} |
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if (notFound) {
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final BrowseFieldResult elem = new BrowseFieldResult(field, new ArrayList<BrowseValue>()); |
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elem.getValues().add(new BrowseValue(value, size)); |
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list.add(elem); |
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if (list.size() >= maxBrowseValues) {
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break; |
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} |
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} |
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if (list.size() >= maxBrowseValues) {
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break; |
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} |
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} |
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return list; |
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} |
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public SearchResult search(final String query, final int page) throws IndexServiceException, DocumentException, ResultSetException {
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log.info("executing query: " + query);
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final W3CEndpointReference epr = indexLocator.getService().lookup(query, mdFormat, layout, interpretation); |
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final ResultSetService rs = serviceResolver.getService(ResultSetService.class, epr); |
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final String rsId = serviceResolver.getResourceIdentifier(epr); |
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final ResultSetService rs = serviceResolver.getService(ResultSetService.class, epr); |
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final StringWriter html = new StringWriter(); |
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final int total = rs.getNumberOfElements(rsId); |
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final int totalPages = (total / pageSize) + 1;
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final int totalPages = total > 0 ? (total / pageSize) + 1 : 0;
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final int to = page * pageSize; |
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final int from = (to - pageSize) + 1; |
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final StringWriter html = new StringWriter(); |
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final SAXReader reader = new SAXReader(); |
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if (totalPages > 0 && page > 0 && page <= totalPages) {
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int prod = page * pageSize; |
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final int from = prod - pageSize + 1; |
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final int to = prod < total ? prod : total; |
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log.info("Getting results from " + from + " to " + to + ", total: " + total);
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for (String s : rs.getResult(rsId, from, to, "WAITING")) {
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html.append(toRow.evaluate(s)); |
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} |
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} |
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for (String s : rs.getResult(rsId, from, to, "WAITING")) {
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html.append(""); //TODO
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} |
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return new SearchResult(page, totalPages, html.toString()); |
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} |
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|
| ... | ... | |
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this.indexLocator = indexLocator; |
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} |
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public ResultSetClientFactory getResultSetClientFactory() {
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return resultSetClientFactory; |
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} |
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public void setResultSetClientFactory(ResultSetClientFactory resultSetClientFactory) {
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this.resultSetClientFactory = resultSetClientFactory; |
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} |
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public String getMdFormat() {
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return mdFormat; |
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} |
| ... | ... | |
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public void setMaxBrowseValues(int maxBrowseValues) {
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this.maxBrowseValues = maxBrowseValues; |
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} |
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public String getBrowseFields() {
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return browseFields; |
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} |
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@Required |
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public void setBrowseFields(String browseFields) {
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this.browseFields = browseFields; |
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} |
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public UnaryFunction<String, String> getToRow() {
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return toRow; |
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} |
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@Required |
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public void setToRow(UnaryFunction<String, String> toRow) {
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this.toRow = toRow; |
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} |
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public UnaryFunction<String, String> getToDocument() {
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return toDocument; |
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} |
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@Required |
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public void setToDocument(UnaryFunction<String, String> toDocument) {
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this.toDocument = toDocument; |
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} |
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} |
Also available in: Unified diff
partial implementation