Mercurial > dive4elements > gnv-client

comparison gnv-artifacts/src/main/java/de/intevation/gnv/state/layer/LayerOutputState.java @ 822:ac1b9f00603f

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Added more Javadoc. Removed obsolet TODO-Flags. Added missing Files to Revision 907 gnv-artifacts/trunk@909 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 13 Apr 2010 08:17:00 +0000
parents 79c1db3ca7cc
children 28028979c813
comparison
equal deleted inserted replaced
821:9b41dbe92d9d 822:ac1b9f00603f
32 import de.intevation.gnv.utils.MapfileGenerator; 32 import de.intevation.gnv.utils.MapfileGenerator;
33 import de.intevation.gnv.utils.MetaWriter; 33 import de.intevation.gnv.utils.MetaWriter;
34 import de.intevation.gnv.utils.ShapeFileWriter; 34 import de.intevation.gnv.utils.ShapeFileWriter;
35 35
36 /** 36 /**
37 * This <code>OutputState</code> is used for Layer-Products.
37 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> 38 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
38 * 39 *
39 */ 40 */
40 public class LayerOutputState extends OutputStateBase { 41 public class LayerOutputState extends OutputStateBase {
41 42
47 /** 48 /**
48 * The UID of this Class. 49 * The UID of this Class.
49 */ 50 */
50 private static final long serialVersionUID = 9180957321704424049L; 51 private static final long serialVersionUID = 9180957321704424049L;
51 52
52 // TODO: Replace 53 /**
54 * The Basename of the Templates for the WMS-Exports
55 */
53 public static final String LAYER_MODEL = "layer"; 56 public static final String LAYER_MODEL = "layer";
57
58 /**
59 * The Name of the Shapefile which will be generated.
60 */
61 public static final String SHAPEFILE_NAME = "data.shp";
54 62
55 /** 63 /**
56 * The ID for the Query fetching the Layer from the DB 64 * The ID for the Query fetching the Layer from the DB
57 */ 65 */
58 private String dataQueryID = null; 66 private String dataQueryID = null;
61 * The ID for the Query fetching the Geometry from the DB 69 * The ID for the Query fetching the Geometry from the DB
62 * which should be used to Clip the Layerdata 70 * which should be used to Clip the Layerdata
63 */ 71 */
64 private String geometryQueryID = null; 72 private String geometryQueryID = null;
65 73
74 /**
75 * The ID of the Query for fetching the Columnnames of the Table which
76 * should put into the Shapefile.
77 */
66 private String columnQueryID = null; 78 private String columnQueryID = null;
67 79
80 /**
81 * The ID of the Query for fetching the Information which kind of Geometry
82 * should be put into the Shapefile.
83 */
68 private String geometryTypeQueryID = null; 84 private String geometryTypeQueryID = null;
69 85
70 /** 86 /**
71 * The ID for the Value which will hold the Geometrie-Value 87 * The ID for the Value which will hold the Geometry-Value
72 */ 88 */
73 private String geometryID = null; 89 private String geometryID = null;
74 90
91 /**
92 * Flag for synchronized Access of the Shapefile.
93 */
75 private Boolean shapeFileLock = new Boolean(true); 94 private Boolean shapeFileLock = new Boolean(true);
76 95
96 /**
97 * The Path where the Shapefile is stored.
98 */
77 private String shapeFilePath; 99 private String shapeFilePath;
78 100
101 /**
102 * The ID of the Template which should be used to generate the Layerentry
103 * in the Mapfile.
104 */
79 private String templateID = null; 105 private String templateID = null;
80 106
107 /**
108 * The Kind of Geometry which should be used to generate the Shapefile.
109 */
81 private String geometryType = null; 110 private String geometryType = null;
82
83 public static final String SHAPEFILE_NAME = "data.shp";
84 111
85 /** 112 /**
86 * Constructor 113 * Constructor
87 */ 114 */
88 public LayerOutputState() { 115 public LayerOutputState() {
89 super(); 116 super();
90 } 117 }
91
92 118
93 public void out(Document format, Collection<InputData> inputData, 119 public void out(Document format, Collection<InputData> inputData,
94 OutputStream outputStream, String uuid, 120 OutputStream outputStream, String uuid,
95 CallContext callContext) throws StateException { 121 CallContext callContext) throws StateException {
96 122
121 /** 147 /**
122 * Writes an exception to an output stream. 148 * Writes an exception to an output stream.
123 * 149 *
124 * @param outputStream The output stream used to write the exception to. 150 * @param outputStream The output stream used to write the exception to.
125 */ 151 */
126 @SuppressWarnings("static-access")
127 private void writeExceptionReport2Stream(OutputStream outputStream) { 152 private void writeExceptionReport2Stream(OutputStream outputStream) {
128 Document document = XMLUtils.newDocument(); 153 Document document = XMLUtils.newDocument();
129 ArtifactXMLUtilities. 154 ArtifactXMLUtilities.
130 createExceptionReport("No Data to Export", document); 155 createExceptionReport("No Data to Export", document);
131 XMLUtils.toStream(document,outputStream); 156 XMLUtils.toStream(document,outputStream);
133 158
134 159
135 /** 160 /**
136 * Fetches the Data from the Databasebackend. 161 * Fetches the Data from the Databasebackend.
137 * 162 *
138 * @return the resulting data. 163 * @return the resultdata.
139 */ 164 */
140 protected Collection<Result> fetchData(){ 165 protected Collection<Result> fetchData(){
141 log.debug("LayerOutputState.fetchData"); 166 log.debug("LayerOutputState.fetchData");
142 // TODO PUT ALL in CACHE
143 Collection<Result> result = this.getData(this.queryID); 167 Collection<Result> result = this.getData(this.queryID);
144 Collection<Result> data = null; 168 Collection<Result> data = null;
145 String geometryWKT = null; 169 String geometryWKT = null;
146 if (result != null){ 170 if (result != null){
147 QueryExecutor queryExecutor = QueryExecutorFactory.getInstance() 171 QueryExecutor queryExecutor = QueryExecutorFactory.getInstance()
172 Result geometryValue = git.next(); 196 Result geometryValue = git.next();
173 geometryWKT = geometryValue.getString(0); 197 geometryWKT = geometryValue.getString(0);
174 } 198 }
175 } catch (QueryException e) { 199 } catch (QueryException e) {
176 log.error(e,e); 200 log.error(e,e);
177 // TODO: what should happen??
178 } 201 }
179 queryValues = new String[]{columns, 202 queryValues = new String[]{columns,
180 table, 203 table,
181 where, 204 where,
182 geometryWKT}; 205 geometryWKT};
352 this.geometryTypeQueryID = "geometry_type"; 375 this.geometryTypeQueryID = "geometry_type";
353 } 376 }
354 377
355 378
356 /** 379 /**
357 * Write the resulting data to shapefiles. 380 * Write the resultdata to shapefiles.
358 * 381 *
359 * @param uuid The UUID of the current artifact. 382 * @param uuid The UUID of the current artifact.
360 * @param data The finalized data used for shapefile creation. 383 * @param data The finalized data used for shapefile creation.
361 * @param callContext The CallContext object. 384 * @param callContext The CallContext object.
362 * @param geometryType The geometry type. 385 * @param geometryType The geometry type.
482 505
483 // do it in background 506 // do it in background
484 new Thread() { 507 new Thread() {
485 @Override 508 @Override
486 public void run() { 509 public void run() {
487 // TODO: Do the un-publishing WMS stuff.
488 String path = resetShapeFilePath(); 510 String path = resetShapeFilePath();
489 511
490 if (path == null) { 512 if (path == null) {
491 return; 513 return;
492 } 514 }
509 log.error("failed to remove directory '" + path + "'"); 531 log.error("failed to remove directory '" + path + "'");
510 } // run 532 } // run
511 }.start(); 533 }.start();
512 } 534 }
513 535
514 536 /**
515 public String resetShapeFilePath() { 537 * Resets the Settings e.g shapeFilePath and templateID
538 * @return
539 */
540 private String resetShapeFilePath() {
516 synchronized (shapeFileLock) { 541 synchronized (shapeFileLock) {
517 String path = shapeFilePath; 542 String path = shapeFilePath;
518 shapeFilePath = null; 543 shapeFilePath = null;
519 templateID = null; 544 templateID = null;
520 return path; 545 return path;
539 CallContext callContext, 564 CallContext callContext,
540 Collection<Result> data, 565 Collection<Result> data,
541 String geometryType) 566 String geometryType)
542 throws StateException 567 throws StateException
543 { 568 {
544 // TODO: Do the real WMS publishing here!
545 Document document = XMLUtils.newDocument(); 569 Document document = XMLUtils.newDocument();
546 570
547 Element pathElement = document.createElement("path"); 571 Element pathElement = document.createElement("path");
548 document.appendChild(pathElement); 572 document.appendChild(pathElement);
549 573
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