Mercurial > mxd2map
diff src/java/de/intevation/mxd/utils/MapScriptUtils.java @ 259:8fe9ccc77962
Introduced a MapScript helper class and improved metadata handling.
author | raimund renkert <raimund.renkert@intevation.de> |
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date | Tue, 16 Aug 2011 13:09:57 +0200 |
parents | |
children | 84ab3afc5610 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java/de/intevation/mxd/utils/MapScriptUtils.java Tue Aug 16 13:09:57 2011 +0200 @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de> + * + * This file is part of MXD2map. + * + * This program is free software under the LGPL (>=v2.1) + * Read the file LICENCE.txt coming with the software for details + * or visit http://www.gnu.org/licenses/ if it does not exist. + * + * MXD2map has been developed on behalf of the + * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg + * by Intevation GmbH. + * + * Authors: + * Raimund Renkert <raimund.renkert@intevation.de> + * Bjoern Schilberg <bjoern.schilberg@intevation.de> + * Stephan Holl <stephan.holl@intevation.de> + */ + +package de.intevation.mxd.utils; + +import org.apache.log4j.Logger; + +import edu.umn.gis.mapscript.mapObj; + +/** + * MapScript utilities. + * This utility class provides some useful functions when working with the + * MapScript Java API. + * + * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> + */ +public class MapScriptUtils +{ + /** + * The Logger. + */ + private static final Logger logger = Logger.getLogger(MapScriptUtils.class); + + + /** + * This function is a wrapper for mapObj.getMetaData. + * The mapObj.getMetaData raises a not catchable error if the metadata key + * can not be found in the map. To avoid this, use this function instead. + * + * @param map The map object. + * @param key The metadata key. + * + * @return Empty string if the key was not found, else the value. + */ + public String getMetaData (mapObj map, String key) { + logger.debug("getMetaData(mapObj, String)"); + String meta = map.getFirstMetaDataKey(); + if(meta.equals("")) { + return ""; + } + while(meta != null && !meta.equals(key)) { + meta = map.getNextMetaDataKey(meta); + } + if(meta == null || meta.equals("")) { + return ""; + } + else { + return map.getMetaData(meta); + } + } + + + /** + * Removes special characters and whitespaces. + * + * @param s The input string. + * + * @return The input string without special chars. + */ + public String removeSpecialChars (String s) { + if(s.equals("")) { + return ""; + } + + String tmp = s.trim(); + tmp = tmp.replace(" ", ""); + tmp = tmp.replace("/", ""); + tmp = tmp.replace(",", ""); + tmp = tmp.replace("#", ""); + tmp = tmp.replace("+", ""); + tmp = tmp.replace("~", ""); + tmp = tmp.replace("(", ""); + tmp = tmp.replace(")", ""); + tmp = tmp.replace("{", ""); + tmp = tmp.replace("}", ""); + tmp = tmp.replace("[", ""); + tmp = tmp.replace("]", ""); + tmp = tmp.replace("<", ""); + tmp = tmp.replace(">", ""); + tmp = tmp.replace("*", ""); + tmp = tmp.replace("\\\\", ""); + tmp = tmp.replace("^", ""); + if(!s.equals(tmp)) { + logger.info("Renamed \"" + s +"\" to \"" + tmp +"\"."); + } + return tmp; + } + + + /** + * Replaces german umlauts and removes leading and trailing whitespaces. + * + * @param s The input string. + * + * @return The string without german umlauts. + */ + public String replaceUmlauts (String s) { + if (s.equals("")) { + return ""; + } + String tmp = s.trim(); + tmp = tmp.replace ("ö", "oe"); + tmp = tmp.replace ("ä", "ae"); + tmp = tmp.replace ("ü", "ue"); + tmp = tmp.replace ("ß", "ss"); + if(!s.equals(tmp)) { + logger.info("Renamed \"" + s + "\" to \"" + tmp + "\"."); + } + return tmp; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :