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package com.iver.cit.gvsig.fmap.layers;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.net.URL;
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import java.util.NoSuchElementException;
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import org.cresques.cts.IProjection;
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import com.iver.cit.gvsig.fmap.MapContext;
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import com.iver.cit.gvsig.fmap.ViewPort;
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import com.iver.cit.gvsig.fmap.crs.CRSFactory;
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import junit.framework.TestCase;
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public class LayersIteratorTest extends TestCase {
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static final String fwAndamiDriverPath = "../_fwAndami/gvSIG/extensiones/com.iver.cit.gvsig/drivers";
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private File baseDataPath;
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private File baseDriversPath;
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private String shpDriverName = "gvSIG shp driver";
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private IProjection projectionDefault = CRSFactory.getCRS("EPSG:23030");
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protected void setUp() throws Exception {
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super.setUp();
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URL url = this.getClass().getResource("LayersIteratorTest_data");
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if (url == null)
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throw new Exception("Can't find 'LayersIteratorTest_data' dir");
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baseDataPath = new File(url.getFile());
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if (!baseDataPath.exists())
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throw new Exception("Can't find 'LayersIteratorTest_data' dir");
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baseDriversPath = new File(fwAndamiDriverPath);
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if (!baseDriversPath.exists())
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throw new Exception("Can't find drivers path: " + fwAndamiDriverPath);
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LayerFactory.setDriversPath(baseDriversPath.getAbsolutePath());
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if (LayerFactory.getDM().getDriverNames().length < 1)
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throw new Exception("Can't find drivers in path: " + fwAndamiDriverPath);
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}
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private MapContext newMapContext() {
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ViewPort vp = new ViewPort(projectionDefault);
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return new MapContext(vp);
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}
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private FLayer newShpLayerToLayers(String shpFileName) {
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FLayerFileVectorial layerResult = new FLayerFileVectorial();
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layerResult.setName(shpFileName);
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layerResult.setDriverByName(shpDriverName);
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try {
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layerResult.setProjection(projectionDefault);
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} catch (Exception e1) {
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e1.printStackTrace();
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return null;
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}
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try {
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layerResult.setFileName(baseDataPath+File.separator+shpFileName);
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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return null;
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}
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return layerResult;
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}
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private void testLayerIterator(LayersIterator iter,FLayer[] layers) {
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int i;
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FLayer aux;
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for (i=0;i<layers.length;i++) {
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if (!iter.hasNext()) {
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fail("iter count == "+i+", "+ (layers.length)+ "expected");
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}
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aux = iter.nextLayer();
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assertEquals("element "+ i,aux,layers[i]);
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}
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assertFalse("inter hasNext",iter.hasNext());
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try {
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iter.next();
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fail("No Exception throw");
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} catch (NoSuchElementException e){
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} catch (Exception e ) {
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fail("Exception throw is not a NoSuchElementException instance");
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}
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try {
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iter.remove();
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fail("No Exception throw");
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} catch (UnsupportedOperationException e){
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} catch (Exception e ) {
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fail("Exception throw is not a UnsupportedOperationException instance");
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}
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}
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public void test1() {
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MapContext mapContext = newMapContext();
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FLayers root = mapContext.getLayers();
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FLayer layerX = newShpLayerToLayers("x.shp");
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assertNotNull("x.shp",layerX);
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FLayer layerX1 = newShpLayerToLayers("x1.shp");
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assertNotNull("x1.shp",layerX1);
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FLayer layerX2 = newShpLayerToLayers("x2.shp");
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assertNotNull("x2.shp",layerX1);
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root.addLayer(layerX);
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root.addLayer(layerX1);
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root.addLayer(layerX2);
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assertTrue("rootLayer.getLayersCount() == 3",root.getLayersCount() == 3);
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testLayerIterator(
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new LayersIterator(root),
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new FLayer[] {root,layerX,layerX1,layerX2}
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);
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}
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public void test2() {
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MapContext mapContext = newMapContext();
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FLayers root = mapContext.getLayers();
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FLayer layerX = newShpLayerToLayers("x.shp");
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assertNotNull("x.shp",layerX);
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FLayer layerX1 = newShpLayerToLayers("x1.shp");
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assertNotNull("x1.shp",layerX1);
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FLayer layerX2 = newShpLayerToLayers("x2.shp");
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assertNotNull("x2.shp",layerX1);
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FLayers group1 = new FLayers(mapContext,root);
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root.addLayer(group1);
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root.addLayer(layerX);
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group1.addLayer(layerX1);
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group1.addLayer(layerX2);
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assertTrue("rootLayer.getLayersCount() == 2",root.getLayersCount() == 2);
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assertTrue("group1.getLayersCount() == 2",group1.getLayersCount() == 2);
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testLayerIterator(
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new LayersIterator(root),
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new FLayer[] {root,group1,layerX1,layerX2,layerX}
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);
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}
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public void test3() {
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MapContext mapContext = newMapContext();
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FLayers root = mapContext.getLayers();
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FLayer layerX = newShpLayerToLayers("x.shp");
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assertNotNull("x.shp",layerX);
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FLayer layerX1 = newShpLayerToLayers("x1.shp");
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assertNotNull("x1.shp",layerX1);
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FLayer layerX2 = newShpLayerToLayers("x2.shp");
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assertNotNull("x2.shp",layerX1);
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FLayers group1 = new FLayers(mapContext,root);
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root.addLayer(group1);
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FLayers group1_1 = new FLayers(mapContext,group1);
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group1.addLayer(group1_1);
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FLayers group1_2 = new FLayers(mapContext,group1);
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group1.addLayer(group1_2);
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root.addLayer(layerX);
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group1.addLayer(layerX1);
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group1_1.addLayer(layerX2);
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assertTrue("rootLayer.getLayersCount() == 2",root.getLayersCount() == 2);
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assertTrue("group1.getLayersCount() == 3",group1.getLayersCount() == 3);
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assertTrue("group1_1.getLayersCount() == 1",group1_1.getLayersCount() == 1);
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assertTrue("group1_2.getLayersCount() == 0",group1_2.getLayersCount() == 0);
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testLayerIterator(
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new LayersIterator(root),
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new FLayer[] {root,group1,group1_1,layerX2,group1_2,layerX1,layerX}
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);
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testLayerIterator(
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new LayersIterator(group1),
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new FLayer[] {group1,group1_1,layerX2,group1_2,layerX1}
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);
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}
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public void test4() {
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MapContext mapContext = newMapContext();
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FLayers root = mapContext.getLayers();
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FLayer layerX = newShpLayerToLayers("x.shp");
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assertNotNull("x.shp",layerX);
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FLayer layerX1 = newShpLayerToLayers("x1.shp");
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assertNotNull("x1.shp",layerX1);
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FLayer layerX2 = newShpLayerToLayers("x2.shp");
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assertNotNull("x2.shp",layerX1);
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FLayers group1 = new FLayers(mapContext,root);
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root.addLayer(group1);
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FLayers group1_1 = new FLayers(mapContext,group1);
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group1.addLayer(group1_1);
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FLayers group1_2 = new FLayers(mapContext,group1);
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group1.addLayer(group1_2);
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root.addLayer(layerX);
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group1.addLayer(layerX1);
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group1_1.addLayer(layerX2);
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assertTrue("rootLayer.getLayersCount() == 2",root.getLayersCount() == 2);
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assertTrue("group1.getLayersCount() == 3",group1.getLayersCount() == 3);
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assertTrue("group1_1.getLayersCount() == 1",group1_1.getLayersCount() == 1);
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assertTrue("group1_2.getLayersCount() == 0",group1_2.getLayersCount() == 0);
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testLayerIterator(
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new myLayerIteratorFLayers(root),
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new FLayer[] {root,group1,group1_1,group1_2}
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);
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LayersIterator iter;
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iter = new LayersIterator(root) {
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public boolean evaluate(FLayer layer) {
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return !(layer instanceof FLayers);
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}
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};
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testLayerIterator(
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iter,
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new FLayer[] {layerX2,layerX1,layerX}
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);
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}
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}
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class myLayerIteratorFLayers extends LayersIterator {
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public myLayerIteratorFLayers(FLayer layer) {
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super(layer);
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}
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public boolean evaluate(FLayer layer) {
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return layer instanceof FLayers;
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}
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}
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