Examples of org.geotools.data.simple.SimpleFeatureIterator

org.geotools.data.simple.SimpleFeatureIterator
Streaming access to simple features, required to {@link #close()} after use.
This is an explicit interface for FeatureIterator.
Sample use:
```
 SimpleFeatureIterator i = featureCollection.features() try { while( i.hasNext() ){ SimpleFeature feature = i.next(); } } finally { i.close(); } 
```
@author Jody Garnett @source $URL$

        String typeName = tmpFile.getName().substring(0, tmpFile.getName().lastIndexOf(".csv"));
        SimpleFeatureCollection fc = s.getFeatureSource(typeName).getFeatures();
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while (it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

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        String typeName = tmpFile.getName().substring(0, tmpFile.getName().lastIndexOf(".gmt"));
        SimpleFeatureCollection fc = s.getFeatureSource(typeName).getFeatures();
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while (it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

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        assertEquals(5, s.getTypeNames().length);
        SimpleFeatureCollection fc = s.getFeatureSource("waypoints").getFeatures();
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while (it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

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        assertEquals(1, s.getTypeNames().length);
        SimpleFeatureCollection fc = s.getFeatureSource("junk").getFeatures();
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while (it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

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        assertEquals(1, s.getTypeNames().length);
        SimpleFeatureCollection fc = s.getFeatureSource("junk").getFeatures();
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while (it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

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        assertEquals(1, s.getTypeNames().length);
        SimpleFeatureCollection fc = s.getFeatureSource("georss").getFeatures();
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while (it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

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        assertEquals(1, s.getTypeNames().length);
        SimpleFeatureCollection fc = s.getFeatureSource("junk").getFeatures();
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while (it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

View Full Code Here

        });
        SimpleFeatureCollection fc = s.getFeatureSource("junk").getFeatures(query);
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while (it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

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        assertEquals(1, s.getTypeNames().length);
        SimpleFeatureCollection fc = s.getFeatureSource("points").getFeatures();
        assertEquals(features.size(), fc.size());
        // Read
        int c = 0;
        SimpleFeatureIterator it = fc.features();
        try {
            while(it.hasNext()) {
                SimpleFeature f = it.next();
                assertNotNull(f);
                assertNotNull(f.getDefaultGeometry());
                assertNotNull(f.getAttribute("name"));
                c++;
            }
        } finally {
            it.close();
        }
        assertEquals(fc.size(), c);
    }

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    // SUPPORT METHODS
    // ---------------------------------------------------------------------------------------


    private int countFeatures(SimpleFeatureCollection features) {
        int count = 0;
        SimpleFeatureIterator fi = features.features();
        while(fi.hasNext()) {
            fi.next();
            count++;
        }
        return count;
    }

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