Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/de/intevation/artifactdatabase/state/AbstractState.java @ 226:41404961c804
Added support for facets - facets of output modes are read from configuration now.
artifacts/trunk@1626 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Wed, 30 Mar 2011 14:45:15 +0000 |
| parents | 1a3fb29b8b2e |
| children | 3d14fe6e05f7 |
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| 224:da92e7f8040b | 226:41404961c804 |
|---|---|
| 12 import java.util.List; | 12 import java.util.List; |
| 13 import java.util.Map; | 13 import java.util.Map; |
| 14 | 14 |
| 15 import javax.xml.xpath.XPathConstants; | 15 import javax.xml.xpath.XPathConstants; |
| 16 | 16 |
| 17 import org.apache.log4j.Logger; | |
| 18 | |
| 17 import org.w3c.dom.Document; | 19 import org.w3c.dom.Document; |
| 18 import org.w3c.dom.Element; | 20 import org.w3c.dom.Element; |
| 19 import org.w3c.dom.Node; | 21 import org.w3c.dom.Node; |
| 20 import org.w3c.dom.NodeList; | 22 import org.w3c.dom.NodeList; |
| 21 | 23 |
| 44 public static final String XPATH_DESCRIPTION = "@description"; | 46 public static final String XPATH_DESCRIPTION = "@description"; |
| 45 | 47 |
| 46 /** The XPath to the output nodes of the state configuration.*/ | 48 /** The XPath to the output nodes of the state configuration.*/ |
| 47 public static final String XPATH_OUTPUT_MODES = "outputmodes/outputmode"; | 49 public static final String XPATH_OUTPUT_MODES = "outputmodes/outputmode"; |
| 48 | 50 |
| 51 /** The XPath to the list of facets relative to the output mode it belongs | |
| 52 * to.*/ | |
| 53 public static final String XPATH_FACETS = "facets/facet"; | |
| 54 | |
| 55 | |
| 56 /** The logger that is used in this class.*/ | |
| 57 private static Logger logger = Logger.getLogger(AbstractState.class); | |
| 58 | |
| 49 | 59 |
| 50 /** The ID of the state. */ | 60 /** The ID of the state. */ |
| 51 protected String id; | 61 protected String id; |
| 52 | 62 |
| 53 /** The description of the state. */ | 63 /** The description of the state. */ |
| 161 * Initialize the state based on the state node in the configuration. | 171 * Initialize the state based on the state node in the configuration. |
| 162 * | 172 * |
| 163 * @param config The state configuration node. | 173 * @param config The state configuration node. |
| 164 */ | 174 */ |
| 165 public void setup(Node config) { | 175 public void setup(Node config) { |
| 176 logger.info("AbstractState.setup"); | |
| 177 | |
| 166 id = (String) XMLUtils.xpath(config, XPATH_ID, XPathConstants.STRING); | 178 id = (String) XMLUtils.xpath(config, XPATH_ID, XPathConstants.STRING); |
| 167 | 179 |
| 168 description = (String) XMLUtils.xpath( | 180 description = (String) XMLUtils.xpath( |
| 169 config, XPATH_DESCRIPTION, XPathConstants.STRING); | 181 config, XPATH_DESCRIPTION, XPathConstants.STRING); |
| 170 | 182 |
| 213 out, "@description", ArtifactNamespaceContext.INSTANCE); | 225 out, "@description", ArtifactNamespaceContext.INSTANCE); |
| 214 | 226 |
| 215 String mimetype = XMLUtils.xpathString( | 227 String mimetype = XMLUtils.xpathString( |
| 216 out, "@mime-type", ArtifactNamespaceContext.INSTANCE); | 228 out, "@mime-type", ArtifactNamespaceContext.INSTANCE); |
| 217 | 229 |
| 218 return name != null ? new DefaultOutput(name, desc, mimetype) : null; | 230 if (name == null) { |
| 231 return null; | |
| 232 } | |
| 233 | |
| 234 NodeList facets = (NodeList) XMLUtils.xpath( | |
| 235 out, | |
| 236 XPATH_FACETS, | |
| 237 XPathConstants.NODESET, | |
| 238 ArtifactNamespaceContext.INSTANCE); | |
| 239 | |
| 240 if (facets == null || facets.getLength() == 0) { | |
| 241 return new DefaultOutput(name, desc, mimetype); | |
| 242 } | |
| 243 | |
| 244 int num = facets.getLength(); | |
| 245 | |
| 246 List<Facet> facetList = new ArrayList<Facet>(num); | |
| 247 | |
| 248 for (int i = 0; i < num; i++) { | |
| 249 Facet facet = buildFacet(facets.item(i)); | |
| 250 | |
| 251 if (facet != null) { | |
| 252 facetList.add(facet); | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 return new DefaultOutput(name, desc, mimetype, facetList); | |
| 257 } | |
| 258 | |
| 259 | |
| 260 /** | |
| 261 * A helper method that creates a Facet object based on the <i>facet</i> | |
| 262 * node. | |
| 263 * | |
| 264 * @param facet The facet node. | |
| 265 * | |
| 266 * @return a Facet object or null if no valid Facet was found. | |
| 267 */ | |
| 268 protected Facet buildFacet(Node facet) { | |
| 269 String name = XMLUtils.xpathString( | |
| 270 facet, "@name", ArtifactNamespaceContext.INSTANCE); | |
| 271 | |
| 272 String desc = XMLUtils.xpathString( | |
| 273 facet, "@description", ArtifactNamespaceContext.INSTANCE); | |
| 274 | |
| 275 return name != null ? new DefaultFacet(name, desc) : null; | |
| 219 } | 276 } |
| 220 | 277 |
| 221 | 278 |
| 222 /** | 279 /** |
| 223 * Describes the UI of the state. This method needs to be implemented by | 280 * Describes the UI of the state. This method needs to be implemented by |