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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/meta/StackFrames.java @ 372:fc3cf0ef777e

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Added meta data service. flys-artifacts/trunk@1781 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 29 Apr 2011 15:10:44 +0000
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children 7c018f466d6d
rev   line source
372
fc3cf0ef777e Added meta data service.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.flys.artifacts.services.meta;
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2
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3 import java.util.Map;
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4 import java.util.List;
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5 import java.util.HashMap;
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6 import java.util.ArrayList;
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7
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8 public class StackFrames
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9 {
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10 protected List<Map<String, Object>> frames;
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11
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12 public StackFrames() {
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13 frames = new ArrayList<Map<String, Object>>();
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14 }
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15
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16 public void enter() {
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17 frames.add(new HashMap<String, Object>());
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18 }
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19
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20 public void leave() {
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21 frames.remove(frames.size()-1);
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22 }
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23
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24 public void put(String [] keys, Object [] values) {
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25 Map<String, Object> top = frames.get(frames.size()-1);
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26 for (int i = 0; i < keys.length; ++i) {
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27 top.put(keys[i], values[i]);
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28 }
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29 }
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30
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31 public Object get(String key) {
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32 return get(key, null);
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33 }
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34
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35 public Object get(String key, Object def) {
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36
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37 for (int i = frames.size()-1; i >= 0; --i) {
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38 Map<String, Object> frame = frames.get(i);
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39 if (frame.containsKey(key)) {
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40 return frame.get(key);
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41 }
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42 }
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43
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44 return def;
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45 }
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46 }
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47 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org