68 lines
2.2 KiB
Java
68 lines
2.2 KiB
Java
package eu.eudat.logic.proxy.config.configloaders;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import eu.eudat.service.storage.StorageFileService;
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import org.apache.poi.xwpf.usermodel.XWPFDocument;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.w3c.dom.Document;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import javax.xml.xpath.XPath;
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import javax.xml.xpath.XPathConstants;
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import javax.xml.xpath.XPathExpressionException;
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import javax.xml.xpath.XPathFactory;
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import java.io.ByteArrayInputStream;
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import java.util.LinkedList;
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import java.util.List;
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@Service("configLoader")
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public class DefaultConfigLoader implements ConfigLoader {
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private static final Logger logger = LoggerFactory.getLogger(DefaultConfigLoader.class);
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private static final ObjectMapper mapper = new ObjectMapper();
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private XWPFDocument document;
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@Autowired
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private StorageFileService storageFileService;
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private void setDocument() {
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byte[] bytes = this.storageFileService.getH2020TemplateFile();
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try {
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this.document = new XWPFDocument(new ByteArrayInputStream(bytes));
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} catch (Exception ex) {
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logger.error("Cannot find resource", ex);
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}
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}
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public XWPFDocument getDocument() {
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this.setDocument();
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return document;
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}
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private List<String> getXmlValuesFromXPath(Document doc, String expression) {
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XPath xPath = XPathFactory.newInstance().newXPath();
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NodeList nodeList = null;
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List<String> values = new LinkedList<>();
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try {
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nodeList = (NodeList) xPath.compile(expression).evaluate(doc, XPathConstants.NODESET);
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} catch (XPathExpressionException e) {
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logger.error(e.getMessage(), e);
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}
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if (nodeList != null) {
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for (int i = 0; i < nodeList.getLength(); i++) {
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Node node = nodeList.item(i);
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if (node.hasChildNodes()) {
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values.add(nodeList.item(i).getChildNodes().item(0).getNodeValue());
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}
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}
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}
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return values;
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}
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}
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