Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/themes/ThemeMapping.java @ 8069:86c1ff462fb5
More idiomatic Java string concat.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Tue, 05 Aug 2014 16:34:04 +0200 |
parents | 2c8e5bad8699 |
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.themes; import org.apache.log4j.Logger; import java.io.Serializable; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.dive4elements.river.artifacts.D4EArtifact; /** * Represents mapping to a theme (including conditions). */ public class ThemeMapping implements Serializable { /** The logger that is used in this class */ private static Logger logger = Logger.getLogger(ThemeMapping.class); /** Name from which to map. */ protected String from; /** Name to which to map. */ protected String to; /** Given pattern (held against facet description). */ protected String patternStr; /** Given masterAttr pattern (held against masterartifacts attributes). */ protected String masterAttr; /** Given output for which mapping is valid. */ protected String output; protected Pattern pattern; public ThemeMapping(String from, String to) { this(from, to, null, null, null); } public ThemeMapping( String from, String to, String patternStr, String masterAttr, String output) { this.from = from; this.to = to; this.patternStr = patternStr; this.masterAttr = masterAttr; this.output = output; this.pattern = Pattern.compile(patternStr); } public String getFrom() { return from; } /** * Get name of theme that is mapped to. */ public String getTo() { return to; } /** * Get pattern. */ public String getPatternStr() { return patternStr; } /** * Match regular expression against text. * * @param text string to be matched against. * @return true if pattern matches text or pattern is empty. */ public boolean applyPattern(String text) { if (patternStr == null || patternStr.length() == 0) { return true; } Matcher m = pattern.matcher(text); if (m.matches()) { logger.debug("Pattern matches: " + text); return true; } else { logger.debug( "Pattern '"+ text + "' does not match: " + this.patternStr); return false; } } /** * Inspects Artifacts data given the masterAttr-condition. * * The only condition implemented so far is 'key==value', for which * the Artifacts data with name "key" has to be of value "value" in order * for true to be returned. * * @param artifact Artifact of which to inspect data. * @return true if no condition is specified or condition is met. */ public boolean masterAttrMatches(D4EArtifact artifact) { if (masterAttr == null || masterAttr.length() == 0) { return true; } // Operator split. String[] parts = masterAttr.split("=="); if (parts.length != 2) { logger.error("ThemeMapping could not parse masterAttr.-condition:_" + masterAttr + "_"); return false; } // Test. String artData = artifact.getDataAsString(parts[0]); if (artData != null && artData.equals(parts[1])) { logger.debug("Matches master Attribute."); return true; } else { logger.debug("Does not match master Attribute."); return false; } } /** * Returns true if no output condition exists, or the condition is met * in parameter output. */ public boolean outputMatches(String output) { if (this.output == null || this.output.length() == 0) { return true; } if (this.output.equals(output)) { logger.debug("Output matches this mapping: " + output); return true; } else { logger.debug("Output '"+ output +"' does not match: "+ this.output); return false; } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :