Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/collections/AttributeParser.java @ 7167:2fd238b681a9
Add debug output triggered by debugging the last commit
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Thu, 26 Sep 2013 12:22:01 +0200 |
parents | b4faf69ad1d0 |
children | e4606eae8ea5 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.collections; import java.util.List; import java.util.Map; import javax.xml.xpath.XPathConstants; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.dive4elements.artifacts.ArtifactNamespaceContext; import org.dive4elements.artifactdatabase.state.DefaultOutput; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.artifactdatabase.state.Output; import org.dive4elements.artifactdatabase.state.Settings; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.river.artifacts.model.ManagedDomFacet; import org.dive4elements.river.exports.ChartSettings; /** * Access parts of the Attribute parts of a FLYSCollections description * document. */ public class AttributeParser { /** Constant XPath that points to the outputmodes of an artifact. */ public static final String XPATH_ARTIFACT_OUTPUTMODES = "/art:attribute/art:outputs/art:output"; private static Logger logger = Logger.getLogger(AttributeParser.class); protected Document attributeDocument; protected CollectionAttribute attribute; /** Just store reference to document. */ public AttributeParser(Document attributeDocument) { this.attributeDocument = attributeDocument; } public void parse() { logger.debug("AttributeParser.parse"); attribute = new CollectionAttribute(); NodeList outs = (NodeList) XMLUtils.xpath( attributeDocument, XPATH_ARTIFACT_OUTPUTMODES, XPathConstants.NODESET, ArtifactNamespaceContext.INSTANCE); int num = outs != null ? outs.getLength() : 0; logger.debug("Attribute has " + num + " outputs."); for (int i = 0; i < num; i++) { Node out = outs.item(i); parseOutput(out); } } public CollectionAttribute getCollectionAttribute() { if (attribute == null) { parse(); } return attribute; } public Document getAttributeDocument() { return attributeDocument; } public Map<String, Output> getOuts() { return attribute.getOutputs(); } /** * Access all facets. * @return list of all facets. */ public List<Facet> getFacets() { return attribute.getFacets(); } protected void parseOutput(Node out) { String name = ((Element)out).getAttribute("name"); if (name.length() == 0) { logger.warn("No Output name specified. Cancel parsing!"); return; } Output o = attribute.getOutput(name); if (o == null) { logger.debug("Create new output: " + name); o = new DefaultOutput(name, null, null); attribute.addOutput(name, o); } parseSettings(out, name); parseItems(out, name); } private static final Node getChild(Element element, String name) { NodeList children = element.getChildNodes(); for (int i = 0, N = children.getLength(); i < N; ++i) { Node child = children.item(i); if (child.getNodeType() == Node.ELEMENT_NODE && child.getLocalName().equals(name)) { return child; } } return null; } protected void parseSettings(Node out, String outname) { Node settingsNode = getChild((Element)out, "settings"); if (settingsNode == null) { logger.debug("No Settings found for Output '" + outname + "'"); return; } Settings settings = ChartSettings.parse(settingsNode); attribute.setSettings(outname, settings); } protected void parseItems(Node out, String outname) { String uri = ArtifactNamespaceContext.NAMESPACE_URI; Element element = (Element)out; NodeList themes = element.getElementsByTagNameNS(uri, "facet"); int num = themes.getLength(); logger.debug("Output has " + num + " themes."); for (int i = 0; i < num; i++) { Element theme = (Element) themes.item(i); if (theme.getParentNode() == out) { attribute.addFacet(outname, new ManagedDomFacet(theme)); } } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :