svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.spi / src / main / java / org / gvsig / fmap / dal / spi / AbstractDataParameters.java @ 40435
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1 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2008 IVER T.I. S.A. {{Task}}
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26 | */
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27 | |||
28 | package org.gvsig.fmap.dal.spi; |
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29 | |||
30 | import java.util.Arrays; |
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31 | import java.util.Iterator; |
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32 | |||
33 | import org.gvsig.fmap.dal.DataParameters; |
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34 | import org.gvsig.fmap.dal.exception.CopyParametersException; |
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35 | import org.gvsig.fmap.dal.exception.ParameterMissingException; |
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36 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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37 | import org.gvsig.tools.dynobject.DelegatedDynObject; |
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38 | import org.gvsig.tools.dynobject.DynClass; |
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39 | import org.gvsig.tools.dynobject.DynField; |
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40 | import org.gvsig.tools.dynobject.DynObject; |
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41 | import org.gvsig.tools.dynobject.exception.DynMethodException; |
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42 | import org.gvsig.tools.dynobject.exception.DynObjectValidateException; |
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43 | import org.gvsig.tools.persistence.PersistentState; |
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44 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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45 | |||
46 | /**
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47 | * @author jmvivo
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48 | *
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49 | */
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50 | public abstract class AbstractDataParameters implements DataParameters { |
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51 | |||
52 | public Object getDynValue(String name) { |
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53 | return getDelegatedDynObject().getDynValue(name);
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54 | } |
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55 | |||
56 | public String toString() { |
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57 | return getDelegatedDynObject().toString();
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58 | } |
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59 | |||
60 | public void setDynValue(String name, Object value) { |
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61 | getDelegatedDynObject().setDynValue(name, value); |
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62 | // return this ???
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63 | } |
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64 | |||
65 | public void clear() { |
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66 | // TODO Delegar en el DynObject cuando tenga este servicio
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67 | |||
68 | DynField[] fields =
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69 | getDelegatedDynObject().getDynClass() |
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70 | .getDeclaredDynFields(); |
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71 | |||
72 | for (int i = 0; i < fields.length; i++) { |
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73 | this.setDynValue(fields[i].getName(), fields[i].getDefaultValue());
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74 | } |
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75 | } |
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76 | |||
77 | protected void copyValuesTo(AbstractDataParameters target) { |
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78 | // TODO Delegar en el DynObject cuando tenga este servicio
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79 | DynField[] fields =
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80 | getDelegatedDynObject().getDynClass() |
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81 | .getDynFields(); |
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82 | |||
83 | |||
84 | for (int i = 0; i < fields.length; i++) { |
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85 | target.setDynValue(fields[i].getName(), this.getDynValue(fields[i]
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86 | .getName())); |
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87 | } |
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88 | } |
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89 | |||
90 | public DataParameters getCopy() {
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91 | // TODO Delegar en el DynObject cuando tenga este servicio
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92 | AbstractDataParameters copy; |
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93 | try {
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94 | copy = (AbstractDataParameters) this.getClass().newInstance();
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95 | } catch (InstantiationException e) { |
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96 | throw new CopyParametersException("data parameters", e); |
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97 | } catch (IllegalAccessException e) { |
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98 | throw new CopyParametersException("data parameters", e); |
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99 | } |
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100 | this.copyValuesTo(copy);
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101 | return copy;
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102 | } |
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103 | |||
104 | public void saveToState(PersistentState state) throws PersistenceException { |
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105 | DynField[] fields =
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106 | getDelegatedDynObject().getDynClass().getDynFields(); |
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107 | |||
108 | for (int i = 0; i < fields.length; i++) { |
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109 | if (fields[i].isPersistent()) {
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110 | String name = fields[i].getName();
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111 | Object value = this.getDynValue(fields[i].getName()); |
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112 | state.set(name,value); |
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113 | } |
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114 | } |
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115 | } |
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116 | |||
117 | public void loadFromState(PersistentState state) throws PersistenceException { |
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118 | Iterator it = state.getNames();
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119 | while (it.hasNext()) {
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120 | String name = (String) it.next(); |
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121 | this.setDynValue(name, state.get(name));
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122 | } |
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123 | } |
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124 | |||
125 | public void delegate(DynObject dynObject) { |
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126 | getDelegatedDynObject().delegate(dynObject); |
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127 | |||
128 | } |
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129 | |||
130 | public DynClass getDynClass() {
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131 | return getDelegatedDynObject().getDynClass();
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132 | } |
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133 | |||
134 | public boolean hasDynValue(String name) { |
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135 | return getDelegatedDynObject().hasDynValue(name);
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136 | } |
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137 | |||
138 | public void implement(DynClass dynClass) { |
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139 | getDelegatedDynObject().implement(dynClass); |
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140 | } |
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141 | |||
142 | public Object invokeDynMethod(String name, DynObject context) |
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143 | throws DynMethodException {
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144 | return getDelegatedDynObject().invokeDynMethod(this, name, context); |
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145 | } |
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146 | |||
147 | public Object invokeDynMethod(int code, DynObject context) |
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148 | throws DynMethodException {
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149 | return getDelegatedDynObject().invokeDynMethod(this, code, context); |
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150 | } |
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151 | |||
152 | public void validate() throws ValidateDataParametersException { |
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153 | try {
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154 | this.getDynClass().validate(this); |
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155 | } catch (DynObjectValidateException e) {
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156 | throw new ValidateDataParametersException(e); |
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157 | } |
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158 | } |
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159 | |||
160 | /**
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161 | * Returns an instance of the {@link DynObject} to delegate to.
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162 | *
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163 | * @return the delegate {@link DynObject}
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164 | */
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165 | protected abstract DelegatedDynObject getDelegatedDynObject(); |
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166 | |||
167 | } |