Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/App.java @ 5509:627584bc0586
Datacage: Added <dc:filter> element. This allows cleaner way to narrow the datasets.
Example:
<dc:context>
<dc:statement>
SELECT DISTINCT
name AS hws_name,
official AS hws_official,
kind_id AS hws_kind
FROM hws_lines
WHERE river_id = ${river_id}
</dc:statement>
<dc:if test="dc:has-result()">
<lines>
<dc:macro name="hws-lines">
<dc:elements>
<hws factory="hwsfactory" name="{$hws_name}"/>
</dc:elements>
</dc:macro>
<dc:filter expr="$hws_official=1">
<dc:if test="dc:has-result()">
<official>
<dc:filter expr="$hws_kind=1">
<dc:if test="dc:has-result()">
<Durchlass><dc:call-macro name="hws-lines"></Durchlass>
</dc:if>
</dc:filter>
<dc:filter expr="$hws_kind=2">
<dc:if test="dc:has-result()">
<Damm><dc:call-macro name="hws-lines"></Damm>
</dc:if>
</dc:filter>
<dc:filter expr="$hws_kind=3">
<dc:if test="dc:has-result()">
<Graben><dc:call-macro name="hws-lines"></Graben>
</dc:if>
</dc:filter>
</official>
</dc:if>
</dc:filter>
</lines>
</dc:if>
</dc:context>
author | Sascha L. Teichmann <teichmann@intevation.de> |
---|---|
date | Thu, 28 Mar 2013 16:51:15 +0100 |
parents | 0a5eff5511b1 |
children |
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package de.intevation.flys.artifacts.datacage.templating; import java.util.Map; import java.util.HashMap; import java.io.IOException; import java.io.OutputStream; import java.io.File; import java.io.FileOutputStream; import de.intevation.flys.backend.SessionFactoryProvider; import org.hibernate.Session; import org.w3c.dom.Document; import org.apache.log4j.Logger; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.flys.artifacts.datacage.Recommendations; public class App { private static Logger log = Logger.getLogger(App.class); public static final String template = System.getProperty("meta.data.template", "meta-data.xml"); public static final String userId = System.getProperty("user.id"); public static final String PARAMETERS = System.getProperty("meta.data.parameters", ""); public static final String OUTPUT = System.getProperty("meta.data.output"); public static Map<String, Object> getParameters() { HashMap<String, Object> map = new HashMap<String, Object>(); String [] parts = PARAMETERS.split("\\s*;\\s*"); for (String part: parts) { String [] kv = part.split("\\s*:\\s*"); if (kv.length < 2 || (kv[0] = kv[0].trim()).length() == 0) { continue; } String [] values = kv[1].split("\\s*,\\s*"); map.put(kv[0], values.length == 1 ? values[0] : values); } return map; } public static void main(String [] args) { Recommendations rec = Recommendations.createRecommendations( new File(template)); if (rec == null) { System.err.println("No recommendations created"); return; } final Document result = XMLUtils.newDocument(); final Map<String, Object> parameters = getParameters(); Session session = SessionFactoryProvider .createSessionFactory() .openSession(); try { rec.recommend(parameters, userId, result, session); } finally { session.close(); } OutputStream out; if (OUTPUT == null) { out = System.out; } else { try { out = new FileOutputStream(OUTPUT); } catch (IOException ioe) { log.error(ioe); return; } } try { XMLUtils.toStream(result, out); } finally { if (OUTPUT != null) { try { out.close(); } catch (IOException ioe) { log.error(ioe); } } } System.exit(0); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :