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annotate flys-client/src/main/java/de/intevation/flys/client/shared/model/DataList.java @ 51:a2923d63f530

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Introduced a data structure DataList to manage to list of Data objects of a single state. flys-client/trunk@1505 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 17 Mar 2011 16:44:51 +0000
parents
children 1d0be51ab93b
rev   line source
51
a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.client.shared.model;
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2
a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
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3 import java.io.Serializable;
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4 import java.util.ArrayList;
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5 import java.util.List;
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6
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7 /**
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8 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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9 */
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10 public class DataList implements Serializable {
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11
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12 /** The list of Data objects managed by this list.*/
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13 protected List<Data> data;
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14
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15 /** The name of the state that this list belongs to.*/
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16 protected String state;
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17
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18 /** The name of a UIProvider that is recommended to render this DataList.*/
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19 protected String uiprovider;
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20
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21 /** The label that should be used to label data objects.*/
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22 protected String label;
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23
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24
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25 /**
a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
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26 * The default constructor that creates a new DataList without Data objects
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27 * and no UIProvider.
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28 */
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29 public DataList() {
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30 data = new ArrayList<Data>();
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31 }
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32
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33
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34 public DataList(String state, int size) {
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35 this.state = state;
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36 this.data = new ArrayList<Data>(size);
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37 }
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38
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39
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40 /**
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41 * A constructor that creates a new DataList without Data objects and no
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42 * UIProvider. Size defines the initial size of the list.
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43 *
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44 * @param size The initial size of the list.
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45 */
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46 public DataList(String state, int size, String uiprovider) {
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47 this(state, size);
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48 this.uiprovider = uiprovider;
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49 }
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50
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51
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52 /**
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53 * Adds a new Data object to the list.
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54 *
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55 * @param obj The Data object.
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56 */
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57 public void add(Data obj) {
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58 if (obj != null) {
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59 data.add(obj);
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60 }
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61 }
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62
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63
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64 /**
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65 * Adds a new Data objects to the list.
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66 *
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67 * @param obj The Data object.
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68 */
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69 public void add(Data[] obj) {
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70 if (obj != null) {
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71 for (Data o: obj) {
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72 data.add(o);
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73 }
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74 }
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75 }
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76
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77
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78 /**
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79 * Returns the Data element at position <i>idx</i>.
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80 *
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81 * @param idx The position of an element that should be returned.
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82 *
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83 * @return the Data element at position <i>idx</i>.
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84 */
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85 public Data get(int idx) {
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86 if (idx < size()) {
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87 return data.get(idx);
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88 }
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89
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90 return null;
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91 }
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92
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93
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94 /**
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95 * Returns the number of Data objects in the list.
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96 *
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97 * @param the number of Data objects in the list.
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98 */
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99 public int size() {
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100 return data.size();
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101 }
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102
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103
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104 /**
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105 * Returns the name of the state that this list belongs to.
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106 *
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107 * @return the name of the state that this list belongs to.
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108 */
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109 public String getState() {
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110 return state;
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111 }
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112
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113
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114 /**
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115 * Returns the label for this list.
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116 *
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117 * @return the label of this list.
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118 */
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119 public String getLabel() {
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120 return label;
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121 }
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122
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123
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124 /**
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125 * Retrieves the name of a UIProvider or null if no one is recommended.
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126 *
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127 * @return the name of a UIProvider or null if no one is recommended.
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128 */
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129 public String getUIProvider() {
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130 return uiprovider;
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131 }
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132 }
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133 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org