Mercurial > dive4elements > river
changeset 286:0fa8bf8a2295
Datacage: Better converter for incoming XML tree
flys-client/trunk@1916 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
---|---|
date | Fri, 13 May 2011 09:06:13 +0000 |
parents | 3e99953bac8d |
children | 2586149b9934 |
files | flys-client/ChangeLog flys-client/src/main/java/de/intevation/flys/client/server/MetaDataServiceImpl.java flys-client/src/main/java/de/intevation/flys/client/server/meta/Converter.java |
diffstat | 3 files changed, 122 insertions(+), 23 deletions(-) [+] |
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--- a/flys-client/ChangeLog Thu May 12 16:47:23 2011 +0000 +++ b/flys-client/ChangeLog Fri May 13 09:06:13 2011 +0000 @@ -1,3 +1,11 @@ +2011-05-12 Sascha L. Teichmann <sascha.teichmann@intevation.de> + + * src/main/java/de/intevation/flys/client/server/meta/Converter.java: + New. Converts the incoming XML to a more informative way. + + * src/main/java/de/intevation/flys/client/server/MetaDataServiceImpl.java: + Use the new converter. + 2011-05-12 Raimund Renkert <rrenkert@intevation.de> ISSUE-61
--- a/flys-client/src/main/java/de/intevation/flys/client/server/MetaDataServiceImpl.java Thu May 12 16:47:23 2011 +0000 +++ b/flys-client/src/main/java/de/intevation/flys/client/server/MetaDataServiceImpl.java Fri May 13 09:06:13 2011 +0000 @@ -26,6 +26,8 @@ import de.intevation.flys.client.shared.model.DataCageTree; import de.intevation.flys.client.shared.model.DataCageNode; +import de.intevation.flys.client.server.meta.Converter; + public class MetaDataServiceImpl extends RemoteServiceServlet implements MetaDataService @@ -54,7 +56,8 @@ HttpClient client = new HttpClientImpl(url, locale); try { - return convert(client.callService(url, "metadata", doc)); + Converter converter = new Converter(); + return converter.convert(client.callService(url, "metadata", doc)); } catch (ConnectionException ce) { System.err.println(ce.getLocalizedMessage()); @@ -62,27 +65,5 @@ throw new ServerException(ERROR_NO_META_DATA_FOUND); } - - protected static DataCageNode convert(Node node) { - String name = node.getLocalName(); - DataCageNode dvn = new DataCageNode(name); - NodeList children = node.getChildNodes(); - for (int i = 0, N = children.getLength(); i < N; ++i) { - dvn.addChild(convert(children.item(i))); - } - return dvn; - } - - protected static DataCageTree convert(Document document) { - ArrayList<DataCageNode> roots = new ArrayList<DataCageNode>(); - NodeList nodes = document.getChildNodes(); - for (int i = 0, N = nodes.getLength(); i < N; ++i) { - Node node = nodes.item(i); - if (node.getNodeType() == Node.ELEMENT_NODE) { - roots.add(convert(nodes.item(i))); - } - } - return new DataCageTree(roots.get(0)); - } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-client/src/main/java/de/intevation/flys/client/server/meta/Converter.java Fri May 13 09:06:13 2011 +0000 @@ -0,0 +1,110 @@ +package de.intevation.flys.client.server.meta; + +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; + +import de.intevation.flys.client.shared.model.DataCageTree; +import de.intevation.flys.client.shared.model.DataCageNode; + +import java.util.List; +import java.util.ArrayList; +import java.util.Map; +import java.util.HashMap; + +public class Converter +{ + public interface NodeConverter + { + DataCageNode convert(Element node, Converter converter); + + } // interface NodeConverter + + public static class NameConverter implements NodeConverter { + public DataCageNode convert(Element node, Converter converter) { + System.err.println("NameConverter called"); + DataCageNode out = new DataCageNode(node.getAttribute("name")); + converter.convertChildren(out, node); + return out; + } + } // class NameConverter + + public static class I18NConverter implements NodeConverter { + public DataCageNode convert(Element node, Converter converter) { + System.err.println("I18NConverter called"); + DataCageNode out = + new DataCageNode("${" + node.getLocalName() + "}"); + converter.convertChildren(out, node); + return out; + } + } // I18NConverter + + protected Map<String, NodeConverter> converters; + + protected void convertChildren(DataCageNode parent, Element sub) { + System.err.println("convertChildren called"); + NodeList children = sub.getChildNodes(); + for (int i = 0, N = children.getLength(); i < N; ++i) { + Node child = children.item(i); + if (child.getNodeType() == Node.ELEMENT_NODE) { + String name = child.getLocalName(); + NodeConverter converter = converters.get(name); + if (converter != null) { + DataCageNode son = converter.convert( + (Element)child, this); + parent.addChild(son); + } + } + } // for all children + } + + public Converter() { + converters = new HashMap<String, NodeConverter>(); + registerConverters(); + } + + protected void registerConverters() { + System.err.println("register converters called"); + converters.put("datacage", new NameConverter()); + converters.put("river", new NameConverter()); + converters.put("gauge", new NameConverter()); + converters.put("historical", new NameConverter()); + converters.put("discharge-table-nn", new I18NConverter()); + converters.put("discharge-table-gauge", new I18NConverter()); + converters.put("fixations", new I18NConverter()); + converters.put("fixation", new I18NConverter()); + converters.put("columns", new I18NConverter()); + converters.put("column", new NameConverter()); + converters.put("flood-protections", new I18NConverter()); + converters.put("flood-protection", new I18NConverter()); + converters.put("flood-water-marks", new I18NConverter()); + converters.put("flood-water-mark", new I18NConverter()); + converters.put("water-levels", new I18NConverter()); + converters.put("water-level", new I18NConverter()); + converters.put("extra-longitudinal-sections", new I18NConverter()); + converters.put("extra-longitudinal-section", new I18NConverter()); + converters.put("longitudinal-section", new I18NConverter()); + } + + public DataCageTree convert(Document document) { + System.err.println("convert called"); + + ArrayList<DataCageNode> roots = new ArrayList<DataCageNode>(); + NodeList nodes = document.getChildNodes(); + for (int i = 0, N = nodes.getLength(); i < N; ++i) { + Node node = nodes.item(i); + if (node.getNodeType() == Node.ELEMENT_NODE) { + System.err.println("search for name: " + node.getLocalName()); + NodeConverter converter = converters.get(node.getLocalName()); + if (converter != null) { + roots.add(converter.convert((Element)node, this)); + } + } + } + return roots.isEmpty() + ? new DataCageTree() + : new DataCageTree(roots.get(0)); + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :