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1 /** |
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2 * SQL-DK |
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3 * Copyright © 2013 František Kučera (frantovo.cz) |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation, either version 3 of the License, or |
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8 * (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 */ |
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18 package info.globalcode.sql.dk.configuration; |
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19 |
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20 import java.util.ArrayList; |
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21 import javax.xml.bind.annotation.XmlTransient; |
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22 import static info.globalcode.sql.dk.Functions.findByName; |
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23 |
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24 /** |
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25 * <p>List of configurables.</p> |
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26 * |
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27 * <p>Can be backed by defaults – if value for given name is nof found in this instance, we will |
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28 * look |
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29 * into defaults. Methods also accept defaultValue parameter – is used if property is nof found even |
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30 * in default properties.</p> |
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31 * |
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32 * <p>Typical use: </p> |
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33 * <ul> |
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34 * <li>this instance – ad-hoc properties from CLI options</li> |
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35 * <li>default properties – from config file</li> |
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36 * <li>defaultValue – hardcoded default</li> |
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37 * </ul> |
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38 * |
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39 * @author Ing. František Kučera (frantovo.cz) |
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40 */ |
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41 public class Properties extends ArrayList<Property> { |
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42 |
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43 private Properties defaults; |
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44 |
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45 @XmlTransient |
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46 public Properties getDefaults() { |
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47 return defaults; |
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48 } |
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49 |
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50 public void setDefaults(Properties defaults) { |
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51 this.defaults = defaults; |
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52 } |
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53 |
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54 private Property findProperty(String name) { |
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55 Property p = findByName(this, name); |
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56 if (p == null) { |
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57 p = findByName(defaults, name); |
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58 } |
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59 return p; |
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60 } |
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61 |
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62 public String getString(String name, String defaultValue) { |
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63 Property p = findProperty(name); |
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64 return p == null ? defaultValue : p.getValue(); |
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65 } |
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66 |
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67 public boolean getBoolean(String name, boolean defaultValue) { |
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68 Property p = findProperty(name); |
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69 return p == null ? defaultValue : Boolean.valueOf(p.getValue()); |
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70 } |
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71 |
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72 public int getInteger(String name, int defaultValue) { |
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73 Property p = findProperty(name); |
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74 return p == null ? defaultValue : Integer.valueOf(p.getValue()); |
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75 } |
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76 } |