ShapefileProcessor.java

1 
package com.reallifedeveloper.tools.gis;
2
3 
import java.io.FileNotFoundException;
4 
import java.io.IOException;
5 
import java.net.URL;
6 
import java.util.HashMap;
7 
import java.util.Map;
8
9 
import org.geotools.api.data.DataStore;
10 
import org.geotools.api.data.DataStoreFinder;
11 
import org.geotools.api.data.SimpleFeatureSource;
12 
import org.geotools.api.feature.Feature;
13 
import org.geotools.data.simple.SimpleFeatureCollection;
14 
import org.geotools.data.simple.SimpleFeatureIterator;
15
16 
/**
17 
 * Reads a <a href="http://en.wikipedia.org/wiki/Shapefile">shapefile</a> and processes it in some way.
18 
 * <p>
19 
 * One example of use is to create a version that converts a shapefile into SQL insert statements.
20 
 *
21 
 * @author RealLifeDeveloper
22 
 */
23 
public final class ShapefileProcessor {
24
25 
    /**
26 
     * The character encoding that is used by default, {@value #DEFAULT_CHARACTER_ENCODING}.
27 
     */
28 
    public static final String DEFAULT_CHARACTER_ENCODING = "UTF-8";
29
30 
    private final FeatureProcessor featureProcessor;
31 
    private String characterEncoding = DEFAULT_CHARACTER_ENCODING;
32
33 
    /**
34 
     * Creates a new {@code ShapefileProcessor} that processes features in a shapefile using the given {@link FeatureProcessor}.
35 
     *
36 
     * @param featureProcessor the {@code FeatureProcessor} to use, must not be {@code null}
37 
     */
38 
    public ShapefileProcessor(FeatureProcessor featureProcessor) {
39 1 1. <init> : negated conditional → RUN_ERROR
 
        if (featureProcessor == null) {
40 
            throw new IllegalArgumentException("featureProcessor must not be null");
41 
        }
42 
        this.featureProcessor = featureProcessor;
43 
    }
44
45 
    /**
46 
     * Processes a shapefile read from the given URL with the given {@link FeatureProcessor} that determines what to do with each individual
47 
     * {@code org.opengis.feature.Feature} in the file.
48 
     *
49 
     * @param shapefileUrl a URL to the shapefile
50 
     *
51 
     * @throws IOException if there was a problem reading the shapefile
52 
     */
53 
    public void processShapefile(URL shapefileUrl) throws IOException {
54 1 1. processShapefile : negated conditional → KILLED
 
        if (shapefileUrl == null) {
55 
            throw new IllegalArgumentException("shapefileUrl must not be null");
56 
        }
57 
        Map<String, Object> connectParams = new HashMap<>();
58 
        connectParams.put("url", shapefileUrl);
59 
        connectParams.put("charset", characterEncoding);
60
61 
        DataStore dataStore = DataStoreFinder.getDataStore(connectParams);
62 1 1. processShapefile : negated conditional → KILLED
 
        if (dataStore == null) {
63 
            throw new FileNotFoundException(shapefileUrl.toString());
64 
        }
65 
        String[] typeNames = dataStore.getTypeNames();
66 
        String typeName = typeNames[0];
67
68 
        SimpleFeatureSource featureSource = dataStore.getFeatureSource(typeName);
69 
        SimpleFeatureCollection collection = featureSource.getFeatures();
70
71 
        try (SimpleFeatureIterator iterator = collection.features()) {
72 1 1. processShapefile : negated conditional → KILLED
 
            while (iterator.hasNext()) {
73 1 1. processShapefile : removed call to com/reallifedeveloper/tools/gis/ShapefileProcessor$FeatureProcessor::processFeature → KILLED
 
                featureProcessor.processFeature(iterator.next());
74 
            }
75 
        }
76 
    }
77
78 
    /**
79 
     * Sets the character encoding to use in the shapefile that is created.
80 
     *
81 
     * @param newCharacterEncoding the new character encoding
82 
     */
83 
    public void setCharacterEncoding(String newCharacterEncoding) {
84 
        this.characterEncoding = newCharacterEncoding;
85 
    }
86
87 
    /**
88 
     * Defines some kind of processing of an {@code org.opengis.feature.Feature}. A {@code Feature} represents a composite object in a
89 
     * shapefile that contains both a geographical or geometrical object and also other attributes.
90 
     */
91 
    @FunctionalInterface
92 
    public interface FeatureProcessor {
93 
        /**
94 
         * Processes the given {@code org.opengis.feature.Feature} in some way.
95 
         *
96 
         * @param feature the {@code Feature} to process
97 
         */
98 
        void processFeature(Feature feature);
99 
    }
100 
}

Mutations

39

1.1
Location : <init>
Killed by : none negated conditional → RUN_ERROR

54

1.1
Location : processShapefile
Killed by : com.reallifedeveloper.tools.gis.ShapefileProcessorTest.[engine:junit-jupiter]/[class:com.reallifedeveloper.tools.gis.ShapefileProcessorTest]/[method:processShapefileNullUrl()] negated conditional → KILLED

62

1.1
Location : processShapefile
Killed by : com.reallifedeveloper.tools.gis.ShapefileProcessorTest.[engine:junit-jupiter]/[class:com.reallifedeveloper.tools.gis.ShapefileProcessorTest]/[method:processShapefileNonExistingUrl()] negated conditional → KILLED

72

1.1
Location : processShapefile
Killed by : com.reallifedeveloper.tools.gis.ShapefileProcessorTest.[engine:junit-jupiter]/[class:com.reallifedeveloper.tools.gis.ShapefileProcessorTest]/[method:shape2sql()] negated conditional → KILLED

73

1.1
Location : processShapefile
Killed by : com.reallifedeveloper.tools.gis.ShapefileProcessorTest.[engine:junit-jupiter]/[class:com.reallifedeveloper.tools.gis.ShapefileProcessorTest]/[method:shape2sql()] removed call to com/reallifedeveloper/tools/gis/ShapefileProcessor$FeatureProcessor::processFeature → KILLED

Active mutators

Tests examined


Report generated by PIT 1.20.2