Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionBase.java @ 773:5fb1ea68e19c
Avoid danger to get a NullPointerException if no time to live is served by CallContext.
gnv-artifacts/trunk@832 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Fri, 26 Mar 2010 09:55:28 +0000 |
parents | a887074460b6 |
children | 9a828e5a2390 |
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Last Step of the Refactoring Work on the Transition Model.
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1 /** |
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2 * |
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3 */ |
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4 package de.intevation.gnv.transition; |
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5 |
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6 import org.w3c.dom.Node; |
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7 |
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8 import de.intevation.artifactdatabase.Config; |
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9 |
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10 /** |
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11 * @author Tim Englich <tim.englich@intevation.de> |
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12 * |
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13 */ |
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14 public abstract class TransitionBase implements Transition { |
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15 |
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16 /** |
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17 * The UID of this Class. |
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18 */ |
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19 private static final long serialVersionUID = -8542097519466477977L; |
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20 |
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21 private String from = null; |
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22 |
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23 private String to = null; |
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24 /** |
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25 * Constructor |
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26 */ |
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27 public TransitionBase() { |
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28 } |
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29 |
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30 /** |
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31 * @see de.intevation.gnv.transition.Transition#getFrom() |
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32 */ |
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33 public String getFrom() { |
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34 return this.from; |
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35 } |
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36 |
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37 /** |
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38 * @see de.intevation.gnv.transition.Transition#getTo() |
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39 */ |
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40 public String getTo() { |
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41 return this.to; |
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42 } |
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43 |
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44 /** |
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45 * @see de.intevation.gnv.transition.Transition#setup(org.w3c.dom.Node) |
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46 */ |
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47 public void setup(Node configuration) { |
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48 this.from = Config.getStringXPath(configuration,"from/@state"); |
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49 this.to = Config.getStringXPath(configuration,"to/@state"); |
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50 } |
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51 |
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52 } |