Mercurial > dive4elements > framework

annotate artifacts-common/src/main/java/org/dive4elements/artifacts/common/utils/XSLTransformer.java @ 570:584591f8203c 3.2.x

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Upgrade to Log4j 2
author Tom Gottfried <tom@intevation.de>
date Mon, 28 Feb 2022 17:41:14 +0100
parents 415df0fc4fa1
children
rev   line source
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1 package org.dive4elements.artifacts.common.utils;
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2
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3 import java.io.InputStream;
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4 import java.io.StringWriter;
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5
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6 import java.util.HashMap;
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7 import java.util.Map;
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8
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9 import javax.xml.transform.Source;
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10 import javax.xml.transform.Transformer;
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11 import javax.xml.transform.TransformerConfigurationException;
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12 import javax.xml.transform.TransformerException;
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13 import javax.xml.transform.TransformerFactory;
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14
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15 import javax.xml.transform.dom.DOMSource;
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16
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17 import javax.xml.transform.stream.StreamResult;
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18 import javax.xml.transform.stream.StreamSource;
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19
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20 import org.apache.logging.log4j.Logger;
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21 import org.apache.logging.log4j.LogManager;
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22
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23 import org.w3c.dom.Node;
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24
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25 public class XSLTransformer {
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26
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27 private static Logger log = LogManager.getLogger(XSLTransformer.class);
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28
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29 protected Map<String, Object> parameters;
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30
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31 public XSLTransformer() {
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32 }
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33
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34 public String transform(Node source, InputStream transform) {
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35
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36 try {
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37 Source templateSource = new StreamSource(transform);
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38 TransformerFactory xformFactory =
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39 TransformerFactory.newInstance();
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40 Transformer transformer =
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41 xformFactory.newTransformer(templateSource);
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42
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43 if (parameters != null) {
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44 for (Map.Entry<String, Object> entry: parameters.entrySet()) {
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45 transformer.setParameter(entry.getKey(), entry.getValue());
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46 }
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47 }
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48
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49 StringWriter result = new StringWriter();
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50
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51 DOMSource src = new DOMSource(source);
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52 StreamResult dst = new StreamResult(result);
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53 transformer.transform(src, dst);
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54
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55 return result.toString();
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56 }
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57 catch (TransformerConfigurationException tce) {
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58 log.error(tce, tce);
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59 }
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60 catch (TransformerException te) {
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61 log.error(te, te);
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62 }
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63
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64 return null;
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65 }
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67 public void addParameter(String key, Object value) {
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68 if (parameters == null) {
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69 parameters = new HashMap<String, Object>();
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70 }
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71 parameters.put(key, value);
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72 }
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73 }
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74 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org