[Schmitzm-commits] r439 - branches/1.0-gt2-2.6/src/schmitzm/geotools

[scm-commit@wald.intevation.org]

Author: mojays
Date: 2009-10-05 15:09:40 +0200 (Mon, 05 Oct 2009)
New Revision: 439

Modified:
   branches/1.0-gt2-2.6/src/schmitzm/geotools/GTUtil.java
Log:
Renderer instantiated by GTUtil.createGTRenderer(..) can be set dynamically.

Modified: branches/1.0-gt2-2.6/src/schmitzm/geotools/GTUtil.java
===================================================================
--- branches/1.0-gt2-2.6/src/schmitzm/geotools/GTUtil.java	2009-10-05 13:04:01 UTC (rev 438)
+++ branches/1.0-gt2-2.6/src/schmitzm/geotools/GTUtil.java	2009-10-05 13:09:40 UTC (rev 439)
@@ -54,6 +54,19 @@
 public class GTUtil {
   private static Logger LOGGER = Logger.getLogger( GTUtil.class.getName() );
 
+  /**
+   * Specifies the types of renderer used by {@link GTUtil#createGTRenderer()}.
+   */
+  public static enum GTRendererType {
+    /** {@link GTUtil#createGTRenderer()} uses {@link StreamingRenderer}. */
+    StreamingRenderer,
+    /** {@link GTUtil#createGTRenderer()} uses {@link ShapefileRenderer}. */
+    ShapefileRenderer
+  }
+  /** Holds the renderer type instantiated by
+   *  {@link GTUtil#createGTRenderer()}. */
+  private static GTRendererType rendererType = GTRendererType.ShapefileRenderer;
+  
   /** Konstante fuer das CRS "WGS84" (erzeugt als "EPSG:4326")*/
   public static CoordinateReferenceSystem WGS84 = null;
 
@@ -193,10 +206,38 @@
    * @param mapContext a {@link MapContext} (can be {@code null})
    */
   public static GTRenderer createGTRenderer(MapContext mapContext) {
-    GTRenderer renderer = new StreamingRenderer();
-
+    GTRenderer renderer = createGTRenderer();
     if ( mapContext != null )
       renderer.setContext(mapContext);
     return renderer;
   }
+
+  /**
+   * Creates a {@link GTRenderer}. This method can be used all over
+   * a project, so the renderer can be switched easily.
+   */
+  public static GTRenderer createGTRenderer() {
+    switch ( rendererType ) {
+      case ShapefileRenderer: return new ShapefileRenderer();
+      case StreamingRenderer: return new StreamingRenderer();
+    }
+    throw new UnsupportedOperationException("Renderer type not supported: "+rendererType);
+  }
+  
+  /**
+   * Sets the renderer used by {@link #createGTRenderer()}.
+   * @param rType renderer type
+   * @see GTRendererType
+   */
+  public static void setGTRendererType(GTRendererType rType) {
+    rendererType = rType;
+  }
+  
+  /**
+   * Returns the renderer used by {@link #createGTRenderer()}.
+   * @see GTRendererType
+   */
+  public static GTRendererType getGTRendererType() {
+    return rendererType;
+  }
 }