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 @ 42103
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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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 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * 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 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | |||
25 | package org.gvsig.fmap.dal.spi; |
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26 | |||
27 | 42103 | jjdelcerro | //import com.google.gson.stream.JsonReader;
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28 | //import com.google.gson.stream.JsonToken;
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29 | import java.io.StringWriter; |
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30 | 40435 | jjdelcerro | import java.util.Iterator; |
31 | |||
32 | import org.gvsig.fmap.dal.DataParameters; |
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33 | import org.gvsig.fmap.dal.exception.CopyParametersException; |
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34 | import org.gvsig.fmap.dal.exception.ValidateDataParametersException; |
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35 | import org.gvsig.tools.dynobject.DelegatedDynObject; |
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36 | import org.gvsig.tools.dynobject.DynClass; |
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37 | import org.gvsig.tools.dynobject.DynField; |
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38 | import org.gvsig.tools.dynobject.DynObject; |
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39 | import org.gvsig.tools.dynobject.exception.DynMethodException; |
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40 | import org.gvsig.tools.dynobject.exception.DynObjectValidateException; |
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41 | import org.gvsig.tools.persistence.PersistentState; |
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42 | import org.gvsig.tools.persistence.exception.PersistenceException; |
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43 | 41520 | cmartinez | import org.slf4j.Logger; |
44 | import org.slf4j.LoggerFactory; |
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45 | 42103 | jjdelcerro | //import com.google.gson.stream.JsonWriter;
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46 | //import java.io.IOException;
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47 | //import java.io.StringReader;
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48 | 40435 | jjdelcerro | |
49 | /**
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50 | * @author jmvivo
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51 | *
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52 | */
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53 | public abstract class AbstractDataParameters implements DataParameters { |
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54 | 41520 | cmartinez | private static final Logger logger = LoggerFactory.getLogger(AbstractDataParameters.class); |
55 | 40435 | jjdelcerro | |
56 | public Object getDynValue(String name) { |
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57 | return getDelegatedDynObject().getDynValue(name);
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58 | } |
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59 | |||
60 | public String toString() { |
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61 | return getDelegatedDynObject().toString();
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62 | } |
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63 | 42103 | jjdelcerro | |
64 | // public boolean fromString(String values) {
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65 | // boolean ok = true;
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66 | // try {
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67 | // DynObject obj = getDelegatedDynObject();
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68 | // JsonReader reader = new JsonReader(new StringReader(values));
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69 | // reader.setLenient(true);
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70 | // reader.beginObject();
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71 | // String name = null;
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72 | // String value = null;
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73 | // while (reader.hasNext()) {
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74 | // name ="unknow";
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75 | // try {
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76 | // name = reader.nextName();
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77 | // if (reader.peek() == JsonToken.NULL) {
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78 | // value = null;
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79 | // } else {
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80 | // value = reader.nextString();
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81 | // }
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82 | // obj.setDynValue(name, value);
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83 | // } catch (Exception ex) {
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84 | // logger.warn("Can't restore parameter '"+name+"' from string "+values+".", ex);
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85 | // ok = false;
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86 | // }
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87 | // }
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88 | // reader.endObject();
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89 | // } catch (IOException ex) {
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90 | // logger.warn("Can't restore parameters from string "+values+".", ex);
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91 | // ok = false;
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92 | // }
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93 | // return ok;
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94 | // }
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95 | //
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96 | // public String toString() {
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97 | // try {
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98 | // DynObject obj = getDelegatedDynObject();
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99 | // DynClass dynClass = obj.getDynClass();
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100 | // DynField[] fields = dynClass.getDynFields();
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101 | // StringWriter swriter = new StringWriter();
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102 | // JsonWriter writer = new JsonWriter(swriter);
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103 | // writer.setSerializeNulls(true);
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104 | // writer.setLenient(true);
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105 | // writer.setHtmlSafe(false);
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106 | // writer.setIndent("");
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107 | // writer.beginObject();
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108 | // if ( fields != null && fields.length >0 ) {
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109 | // for ( int i = 0; i < fields.length; i++ ) {
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110 | // String fieldname = fields[i].getName();
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111 | // Object value = obj.getDynValue(fieldname);
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112 | // writer.name(fieldname);
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113 | // if( value == null ) {
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114 | // writer.value((String)null);
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115 | // } else {
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116 | // writer.value(value.toString());
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117 | // }
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118 | // }
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119 | // }
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120 | // writer.endObject();
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121 | // writer.close();
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122 | // return swriter.toString();
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123 | // } catch (IOException ex) {
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124 | // logger.warn("Can't serializar DataParamerters correctly.",ex);
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125 | // return getDelegatedDynObject().toString();
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126 | // }
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127 | // }
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128 | //
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129 | public void setDynValue(String name, Object value) { |
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130 | 41520 | cmartinez | DelegatedDynObject delegated = getDelegatedDynObject(); |
131 | if (delegated.getDynClass().getDynField(name)!=null){ |
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132 | delegated.setDynValue(name, value); |
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133 | 41887 | jjdelcerro | } else {
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134 | try {
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135 | throw new IllegalArgumentException(name); |
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136 | } catch(IllegalArgumentException ex) { |
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137 | logger.warn("Attribute '"+name+"' is not defined in " |
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138 | +delegated.getDynClass().getFullName()+ " definition",ex);
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139 | } |
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140 | 41520 | cmartinez | } |
141 | 40435 | jjdelcerro | } |
142 | |||
143 | public void clear() { |
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144 | // TODO Delegar en el DynObject cuando tenga este servicio
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145 | |||
146 | DynField[] fields =
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147 | getDelegatedDynObject().getDynClass() |
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148 | .getDeclaredDynFields(); |
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149 | |||
150 | for (int i = 0; i < fields.length; i++) { |
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151 | this.setDynValue(fields[i].getName(), fields[i].getDefaultValue());
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152 | } |
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153 | } |
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154 | |||
155 | protected void copyValuesTo(AbstractDataParameters target) { |
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156 | // TODO Delegar en el DynObject cuando tenga este servicio
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157 | DynField[] fields =
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158 | getDelegatedDynObject().getDynClass() |
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159 | .getDynFields(); |
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160 | |||
161 | |||
162 | for (int i = 0; i < fields.length; i++) { |
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163 | target.setDynValue(fields[i].getName(), this.getDynValue(fields[i]
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164 | .getName())); |
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165 | } |
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166 | } |
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167 | |||
168 | public DataParameters getCopy() {
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169 | // TODO Delegar en el DynObject cuando tenga este servicio
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170 | AbstractDataParameters copy; |
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171 | try {
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172 | copy = (AbstractDataParameters) this.getClass().newInstance();
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173 | } catch (InstantiationException e) { |
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174 | throw new CopyParametersException("data parameters", e); |
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175 | } catch (IllegalAccessException e) { |
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176 | throw new CopyParametersException("data parameters", e); |
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177 | } |
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178 | this.copyValuesTo(copy);
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179 | return copy;
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180 | } |
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181 | |||
182 | public void saveToState(PersistentState state) throws PersistenceException { |
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183 | DynField[] fields =
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184 | getDelegatedDynObject().getDynClass().getDynFields(); |
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185 | |||
186 | for (int i = 0; i < fields.length; i++) { |
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187 | if (fields[i].isPersistent()) {
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188 | String name = fields[i].getName();
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189 | Object value = this.getDynValue(fields[i].getName()); |
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190 | state.set(name,value); |
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191 | } |
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192 | } |
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193 | } |
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194 | |||
195 | public void loadFromState(PersistentState state) throws PersistenceException { |
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196 | Iterator it = state.getNames();
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197 | while (it.hasNext()) {
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198 | String name = (String) it.next(); |
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199 | this.setDynValue(name, state.get(name));
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200 | } |
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201 | } |
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202 | |||
203 | public void delegate(DynObject dynObject) { |
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204 | getDelegatedDynObject().delegate(dynObject); |
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205 | |||
206 | } |
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207 | |||
208 | public DynClass getDynClass() {
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209 | return getDelegatedDynObject().getDynClass();
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210 | } |
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211 | |||
212 | public boolean hasDynValue(String name) { |
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213 | return getDelegatedDynObject().hasDynValue(name);
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214 | } |
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215 | |||
216 | public void implement(DynClass dynClass) { |
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217 | getDelegatedDynObject().implement(dynClass); |
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218 | } |
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219 | |||
220 | public Object invokeDynMethod(String name, DynObject context) |
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221 | throws DynMethodException {
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222 | return getDelegatedDynObject().invokeDynMethod(this, name, context); |
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223 | } |
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224 | |||
225 | public Object invokeDynMethod(int code, DynObject context) |
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226 | throws DynMethodException {
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227 | return getDelegatedDynObject().invokeDynMethod(this, code, context); |
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228 | } |
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229 | |||
230 | public void validate() throws ValidateDataParametersException { |
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231 | try {
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232 | this.getDynClass().validate(this); |
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233 | } catch (DynObjectValidateException e) {
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234 | throw new ValidateDataParametersException(e); |
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235 | } |
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236 | } |
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237 | |||
238 | /**
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239 | * Returns an instance of the {@link DynObject} to delegate to.
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240 | *
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241 | * @return the delegate {@link DynObject}
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242 | */
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243 | protected abstract DelegatedDynObject getDelegatedDynObject(); |
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244 | |||
245 | 40596 | jjdelcerro | } |