ExcelCollector.java

package pro.verron.officestamper.experimental;

import org.jspecify.annotations.Nullable;

import java.util.ArrayList;
import java.util.List;

/// The ExcelCollector class is used to collect objects of a specific type from an Excel file.
/// It extends the ExcelVisitor class and overrides the 'before' method to add the objects of the given type to a list.
///
/// @param <T> the type of objects to collect
public class ExcelCollector<T>
        extends ExcelVisitor {

    private final Class<T> type;
    private final List<T> list = new ArrayList<>();

    /// Constructs a new ExcelCollector object with the given type.
    ///
    /// @param type the class representing the type of objects to collect
    public ExcelCollector(Class<T> type) {
        this.type = type;
    }

    /// Collects objects of a specific type from an Excel file.
    ///
    /// @param <T>    the type of objects to collect
    /// @param object the Excel file or object to collect from
    /// @param type   the class representing the type of objects to collect
    ///
    /// @return a List containing the collected objects
    public static <T> List<T> collect(
            Object object,
            Class<T> type
    ) {
        var collector = new ExcelCollector<>(type);
        collector.visit(object);
        return collector.collect();
    }

    /// Returns a List containing the collected objects.
    ///
    /// @return a List containing the collected objects
    public List<T> collect() {
        return list;
    }

    /// This method is called before visiting an object in the ExcelCollector class.
    /// It checks if the object is an instance of the specified type and adds it to a list if it is.
    ///
    /// @param object the object being visited
    @Override
    protected void before(@Nullable Object object) {
        if (type.isInstance(object))
            list.add(type.cast(object));
    }
}






Active mutators

CONDITIONALS_BOUNDARY
EMPTY_RETURNS
FALSE_RETURNS
INCREMENTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NULL_RETURNS
PRIMITIVE_RETURNS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

pro.verron.officestamper.test.BasicExcelTest.[engine:junit-jupiter]/[class:pro.verron.officestamper.test.BasicExcelTest]/[method:testStamper()] (1914 ms)

Report generated by PIT 1.22.0

1		package pro.verron.officestamper.experimental;
2
3		import org.jspecify.annotations.Nullable;
4
5		import java.util.ArrayList;
6		import java.util.List;
7
8		/// The ExcelCollector class is used to collect objects of a specific type from an Excel file.
9		/// It extends the ExcelVisitor class and overrides the 'before' method to add the objects of the given type to a list.
10		///
11		/// @param <T> the type of objects to collect
12		public class ExcelCollector<T>
13		extends ExcelVisitor {
14
15		private final Class<T> type;
16		private final List<T> list = new ArrayList<>();
17
18		/// Constructs a new ExcelCollector object with the given type.
19		///
20		/// @param type the class representing the type of objects to collect
21		public ExcelCollector(Class<T> type) {
22		this.type = type;
23		}
24
25		/// Collects objects of a specific type from an Excel file.
26		///
27		/// @param <T> the type of objects to collect
28		/// @param object the Excel file or object to collect from
29		/// @param type the class representing the type of objects to collect
30		///
31		/// @return a List containing the collected objects
32		public static <T> List<T> collect(
33		Object object,
34		Class<T> type
35		) {
36		var collector = new ExcelCollector<>(type);
37	1 1. collect : removed call to pro/verron/officestamper/experimental/ExcelCollector::visit → KILLED	collector.visit(object);
38	1 1. collect : replaced return value with Collections.emptyList for pro/verron/officestamper/experimental/ExcelCollector::collect → KILLED	return collector.collect();
39		}
40
41		/// Returns a List containing the collected objects.
42		///
43		/// @return a List containing the collected objects
44		public List<T> collect() {
45	1 1. collect : replaced return value with Collections.emptyList for pro/verron/officestamper/experimental/ExcelCollector::collect → KILLED	return list;
46		}
47
48		/// This method is called before visiting an object in the ExcelCollector class.
49		/// It checks if the object is an instance of the specified type and adds it to a list if it is.
50		///
51		/// @param object the object being visited
52		@Override
53		protected void before(@Nullable Object object) {
54	1 1. before : negated conditional → KILLED	if (type.isInstance(object))
55		list.add(type.cast(object));
56		}
57		}
		Mutations
37		1.1 Location : collect Killed by : pro.verron.officestamper.test.BasicExcelTest.[engine:junit-jupiter]/[class:pro.verron.officestamper.test.BasicExcelTest]/[method:testStamper()] removed call to pro/verron/officestamper/experimental/ExcelCollector::visit → KILLED
38		1.1 Location : collect Killed by : pro.verron.officestamper.test.BasicExcelTest.[engine:junit-jupiter]/[class:pro.verron.officestamper.test.BasicExcelTest]/[method:testStamper()] replaced return value with Collections.emptyList for pro/verron/officestamper/experimental/ExcelCollector::collect → KILLED
45		1.1 Location : collect Killed by : pro.verron.officestamper.test.BasicExcelTest.[engine:junit-jupiter]/[class:pro.verron.officestamper.test.BasicExcelTest]/[method:testStamper()] replaced return value with Collections.emptyList for pro/verron/officestamper/experimental/ExcelCollector::collect → KILLED
54		1.1 Location : before Killed by : pro.verron.officestamper.test.BasicExcelTest.[engine:junit-jupiter]/[class:pro.verron.officestamper.test.BasicExcelTest]/[method:testStamper()] negated conditional → KILLED

ExcelCollector.java

Mutations

Active mutators

Tests examined