Mercurial > dive4elements > gnv-client
annotate gnv/src/main/java/de/intevation/gnv/propertiesreader/ServletPropertiesReader.java @ 681:15ac78a91d1b
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gnv/trunk@852 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 29 Mar 2010 08:04:15 +0000 |
parents | ad381cc47217 |
children | d49e8695786c |
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Infrastructur for Providing Applicationsettings
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1 /** |
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2 * |
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3 */ |
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4 package de.intevation.gnv.propertiesreader; |
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5 |
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6 import java.util.Enumeration; |
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7 import java.util.HashMap; |
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8 import java.util.Map; |
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9 |
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10 import javax.servlet.ServletConfig; |
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11 |
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12 import org.apache.log4j.Logger; |
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13 |
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14 /** |
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15 * @author Tim Englich <tim.englich@intevation.de> |
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16 * |
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17 */ |
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18 public class ServletPropertiesReader implements PropertiesReader { |
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19 |
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20 /** |
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21 * the logger, used to log exceptions and additonaly information |
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22 */ |
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23 private static Logger log = Logger.getLogger(ServletPropertiesReader.class); |
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24 |
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25 private Map<String, String> properties = null; |
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26 |
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27 /** |
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28 * Constructor |
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29 */ |
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30 public ServletPropertiesReader(ServletConfig config) { |
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31 super(); |
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32 log.info("ServletPropertiesReader will be initialized"); |
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33 if (config != null) { |
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34 |
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35 Enumeration<String> keys = config.getInitParameterNames(); |
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36 properties = new HashMap<String, String>(); |
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37 while (keys.hasMoreElements()) { |
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38 String key = keys.nextElement(); |
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39 String value = config.getInitParameter(key); |
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40 log.info("New ConbfigurationValue; " + key + " ==> " + value); |
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41 this.properties.put(key, value); |
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42 } |
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43 } |
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44 } |
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45 |
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46 /** |
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47 * @see de.intevation.gnv.propertiesreader.PropertiesReader#getPropertieValue(java.lang.String, |
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48 * java.lang.String) |
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49 */ |
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50 public String getPropertieValue(String key, String defaultValue) { |
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51 String value = this.properties.get(key); |
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52 if (value == null) { |
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53 value = defaultValue; |
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54 } |
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55 return value; |
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56 } |
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57 |
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58 } |