Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/utils/MetaWriter.java @ 1070:7096a2e13676
Added functionality to publish the the mbr of the generated layer to
the client.
gnv-artifacts/trunk@1166 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Tim Englich <tim.englich@intevation.de> |
|---|---|
| date | Mon, 07 Jun 2010 14:42:42 +0000 |
| parents | 04967dc9c83f |
| children | f953c9a559d8 |
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| 1069:0d15e515f88d | 1070:7096a2e13676 |
|---|---|
| 3 import java.io.File; | 3 import java.io.File; |
| 4 import java.io.FileNotFoundException; | 4 import java.io.FileNotFoundException; |
| 5 import java.io.FileOutputStream; | 5 import java.io.FileOutputStream; |
| 6 import java.io.IOException; | 6 import java.io.IOException; |
| 7 import java.io.OutputStream; | 7 import java.io.OutputStream; |
| 8 import java.text.DecimalFormat; | |
| 8 import java.util.Date; | 9 import java.util.Date; |
| 9 | 10 |
| 10 import javax.xml.xpath.XPathConstants; | 11 import javax.xml.xpath.XPathConstants; |
| 11 | 12 |
| 12 import org.apache.log4j.Logger; | 13 import org.apache.log4j.Logger; |
| 13 | |
| 14 import org.w3c.dom.Document; | 14 import org.w3c.dom.Document; |
| 15 import org.w3c.dom.Element; | 15 import org.w3c.dom.Element; |
| 16 import org.w3c.dom.Node; | 16 import org.w3c.dom.Node; |
| 17 | |
| 18 import com.vividsolutions.jts.geom.Envelope; | |
| 17 | 19 |
| 18 import de.intevation.artifactdatabase.XMLUtils; | 20 import de.intevation.artifactdatabase.XMLUtils; |
| 19 import de.intevation.artifacts.ArtifactNamespaceContext; | 21 import de.intevation.artifacts.ArtifactNamespaceContext; |
| 20 import de.intevation.artifacts.CallContext; | 22 import de.intevation.artifacts.CallContext; |
| 21 import de.intevation.gnv.artifacts.context.GNVArtifactContext; | 23 import de.intevation.gnv.artifacts.context.GNVArtifactContext; |
| 37 public static final String NODE_TTL = "ttl"; | 39 public static final String NODE_TTL = "ttl"; |
| 38 | 40 |
| 39 public static final String META_FILE_NAME = "meta.xml"; | 41 public static final String META_FILE_NAME = "meta.xml"; |
| 40 | 42 |
| 41 public static final String XPATH_META = "/art:meta"; | 43 public static final String XPATH_META = "/art:meta"; |
| 44 public static final String XPATH_MAPSERVER = "art:meta/art:"+NODE_MAPSERVER; | |
| 42 | 45 |
| 43 /** | 46 /** |
| 44 * Constructor. | 47 * Constructor. |
| 45 */ | 48 */ |
| 46 private MetaWriter() { | 49 private MetaWriter() { |
| 131 meta.appendChild(layerEl); | 134 meta.appendChild(layerEl); |
| 132 | 135 |
| 133 return true; | 136 return true; |
| 134 } | 137 } |
| 135 | 138 |
| 136 | 139 /** |
| 140 * Method to write the <i>meta</i> document down to a file. | |
| 141 * | |
| 142 * @param path The destination of the file. | |
| 143 * @param meta The xml document storing the meta information. | |
| 144 */ | |
| 145 public static boolean insertMbr(Envelope mbr, String srs, Document meta) { | |
| 146 Node mapserverNode = (Node) XMLUtils.xpath( | |
| 147 meta, | |
| 148 XPATH_MAPSERVER, | |
| 149 XPathConstants.NODE, | |
| 150 ArtifactNamespaceContext.INSTANCE); | |
| 151 if (mapserverNode != null){ | |
| 152 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator( | |
| 153 meta, | |
| 154 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 155 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 156 Element bboxNode = creator.create("Box"); | |
| 157 bboxNode.setAttribute("srsName", srs); | |
| 158 Element coordinateNode = creator.create("coordinates"); | |
| 159 | |
| 160 DecimalFormat formatter = new DecimalFormat("###.############"); | |
| 161 coordinateNode.setTextContent(formatter.format(mbr.getMinX()).replace(',', '.') +","+ | |
| 162 formatter.format(mbr.getMinY()).replace(',', '.')+" "+ | |
| 163 formatter.format(mbr.getMaxX()).replace(',', '.') +","+ | |
| 164 formatter.format(mbr.getMaxY()).replace(',', '.')); | |
| 165 mapserverNode.appendChild(bboxNode); | |
| 166 bboxNode.appendChild(coordinateNode); | |
| 167 } | |
| 168 return true; | |
| 169 } | |
| 137 /** | 170 /** |
| 138 * Method to write the <i>meta</i> document down to a file. | 171 * Method to write the <i>meta</i> document down to a file. |
| 139 * | 172 * |
| 140 * @param path The destination of the file. | 173 * @param path The destination of the file. |
| 141 * @param meta The xml document storing the meta information. | 174 * @param meta The xml document storing the meta information. |