Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/transitions/ValueCompareTransition.java @ 4255:670e98f5a441
Fixed leak while merging facets.
The ThemeList that is used by OutputHelper to sort the
Facets for an Output now uses a list to store the ManagedFacets.
The correct order is made up by sorting the List using
Collections.sort() function of the Java JDK. Therfore, the
ManagedFacet class implements the Comparable interface. The
return value of its compareTo(other) method depends on the
value of the 'position' field.
author | Ingo Weinzierl <weinzierl.ingo@googlemail.com> |
---|---|
date | Thu, 25 Oct 2012 14:01:46 +0200 |
parents | eb5564662e19 |
children |
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package de.intevation.flys.artifacts.transitions; import javax.xml.xpath.XPathConstants; import org.apache.log4j.Logger; import org.w3c.dom.Node; import de.intevation.artifacts.Artifact; import de.intevation.artifactdatabase.data.StateData; import de.intevation.artifactdatabase.state.State; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.flys.artifacts.FLYSArtifact; /** * This transition compares data objects with a <i>equal</i> or <i>notequal</i> * operator. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class ValueCompareTransition extends DefaultTransition { /** The logger that is used in this transition.*/ private static Logger log = Logger.getLogger(ValueCompareTransition.class); /** XPath that points to the condition's operator.*/ public static final String XPATH_OPERATOR = "condition/@operator"; /** XPath that points to the condition's value.*/ public static final String XPATH_VALUE = "condition/@value"; /** XPath that points to the condition's dataname.*/ public static final String XPATH_DATANAME = "condition/@data"; /** The value of the 'equal' operator.*/ public static final String OPERATOR_EQUAL = "equal"; /** The value of the 'not equal' operator.*/ public static final String OPERATOR_NOTEQUAL = "notequal"; /** The operator.*/ protected String operator; /** The value used for comparison.*/ protected String value; /** The name of the data used for the comparison.*/ protected String dataname; public ValueCompareTransition() { } public ValueCompareTransition(String from, String to) { super(from, to); } /** Setup member values from the document. */ @Override public void init(Node config) { log.debug("ValueCompareTransition.init"); String tmp = (String) XMLUtils.xpath( config, XPATH_OPERATOR, XPathConstants.STRING); operator = tmp.trim().toLowerCase(); value = (String) XMLUtils.xpath( config, XPATH_VALUE, XPathConstants.STRING); dataname = (String) XMLUtils.xpath( config, XPATH_DATANAME, XPathConstants.STRING); } @Override public boolean isValid(Artifact artifact, State a, State b) { log.debug("ValueCompareTransition.isValid"); FLYSArtifact flysArtifact = (FLYSArtifact) artifact; StateData dataObj = flysArtifact.getData(dataname); String dataVal = dataObj != null ? (String) dataObj.getValue() : ""; if (log.isDebugEnabled()) { log.debug("Compare settings:"); log.debug("-- dataname: " + dataname); log.debug("-- operator: " + operator); log.debug("-- compare value: " + value); log.debug("-- state value: " + dataVal); } if (operator.equals(OPERATOR_EQUAL)) { return value.equals(dataVal); } else if (operator.equals(OPERATOR_NOTEQUAL)) { return !(value.equals(dataVal)); } log.error("Wrong operator set! No comparison takes place."); return false; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :