ListTransfertHandler.java

/*******************************************************************************
 * Copyhacked (H) 2012-2025.
 * This program and the accompanying materials
 * are made available under no term at all, use it like
 * you want, but share and discuss it
 * every time possible with every body.
 * 
 * Contributors:
 *      ron190 at ymail dot com - initial implementation
 ******************************************************************************/
package com.jsql.view.swing.list;

import com.jsql.util.LogLevelUtil;
import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import javax.swing.*;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * Handler for processing cut/copy/paste/drag/drop action on a JList items.
 */
public class ListTransfertHandler extends AbstractListTransfertHandler {
    
    /**
     * Log4j logger sent to view.
     */
    private static final Logger LOGGER = LogManager.getRootLogger();

    @Override
    protected String initTransferable() {
        var stringTransferable = new StringBuilder();
        for (ItemList itemPath: this.dragPaths) {
            stringTransferable.append(itemPath).append("\n");
        }
        return stringTransferable.toString();
    }

    @Override
    protected void parseStringDrop(TransferSupport support, DnDList list, DefaultListModel<ItemList> listModel) {
        var dropLocation = (JList.DropLocation) support.getDropLocation();
        int childIndex = dropLocation.getIndex();
        List<Integer> listSelectedIndices = new ArrayList<>();

        // DnD from list
        if (this.dragPaths != null && !this.dragPaths.isEmpty()) {
            this.addFromList(listModel, childIndex, listSelectedIndices);
        } else {
            this.addFromOutside(support, listModel, childIndex, listSelectedIndices);
        }

        var selectedIndices = new int[listSelectedIndices.size()];
        var i = 0;
        for (Integer integer: listSelectedIndices) {
            selectedIndices[i] = integer;
            i++;
        }
        list.setSelectedIndices(selectedIndices);
    }

    private void addFromOutside(TransferSupport support, DefaultListModel<ItemList> listModel, int childIndexFrom, List<Integer> listSelectedIndices) {
        try {
            int childIndexTo = childIndexFrom;
            var importString = (String) support.getTransferable().getTransferData(DataFlavor.stringFlavor);
            for (String value: importString.split("\\n")) {
                if (StringUtils.isNotEmpty(value)) {
                    listSelectedIndices.add(childIndexTo);
                    listModel.add(childIndexTo++, new ItemList(value.replace("\\", "/")));
                }
            }
        } catch (UnsupportedFlavorException | IOException e) {
            LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
        }
    }

    private void addFromList(DefaultListModel<ItemList> listModel, int childIndexFrom, List<Integer> listSelectedIndices) {
        int childIndexTo = childIndexFrom;
        for (ItemList value: this.dragPaths) {
            if (StringUtils.isNotEmpty(value.toString())) {
                var newValue = new ItemList(value.toString().replace("\\", "/"));  //! FUUuu
                listSelectedIndices.add(childIndexTo);
                listModel.add(childIndexTo++, newValue);
            }
        }
    }

    @Override
    protected List<Integer> initStringPaste(String clipboardText, int selectedIndexFrom, DefaultListModel<ItemList> listModel) {
        int selectedIndexTo = selectedIndexFrom;
        List<Integer> selectedIndexes = new ArrayList<>();
        for (String line: clipboardText.split("\\n")) {
            if (StringUtils.isNotEmpty(line)) {
                String newLine = line.replace("\\", "/");
                var newItem = new ItemList(newLine);
                selectedIndexes.add(selectedIndexTo);
                listModel.add(selectedIndexTo++, newItem);
            }
        }
        return selectedIndexes;
    }
}















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

Report generated by PIT 1.19.1

1		/*******************************************************************************
2		* Copyhacked (H) 2012-2025.
3		* This program and the accompanying materials
4		* are made available under no term at all, use it like
5		* you want, but share and discuss it
6		* every time possible with every body.
7		*
8		* Contributors:
9		* ron190 at ymail dot com - initial implementation
10		******************************************************************************/
11		package com.jsql.view.swing.list;
12
13		import com.jsql.util.LogLevelUtil;
14		import org.apache.commons.lang3.StringUtils;
15		import org.apache.logging.log4j.LogManager;
16		import org.apache.logging.log4j.Logger;
17
18		import javax.swing.*;
19		import java.awt.datatransfer.DataFlavor;
20		import java.awt.datatransfer.UnsupportedFlavorException;
21		import java.io.IOException;
22		import java.util.ArrayList;
23		import java.util.List;
24
25		/**
26		* Handler for processing cut/copy/paste/drag/drop action on a JList items.
27		*/
28		public class ListTransfertHandler extends AbstractListTransfertHandler {
29
30		/**
31		* Log4j logger sent to view.
32		*/
33		private static final Logger LOGGER = LogManager.getRootLogger();
34
35		@Override
36		protected String initTransferable() {
37		var stringTransferable = new StringBuilder();
38		for (ItemList itemPath: this.dragPaths) {
39		stringTransferable.append(itemPath).append("\n");
40		}
41	1 1. initTransferable : replaced return value with "" for com/jsql/view/swing/list/ListTransfertHandler::initTransferable → NO_COVERAGE	return stringTransferable.toString();
42		}
43
44		@Override
45		protected void parseStringDrop(TransferSupport support, DnDList list, DefaultListModel<ItemList> listModel) {
46		var dropLocation = (JList.DropLocation) support.getDropLocation();
47		int childIndex = dropLocation.getIndex();
48		List<Integer> listSelectedIndices = new ArrayList<>();
49
50		// DnD from list
51	2 1. parseStringDrop : negated conditional → NO_COVERAGE 2. parseStringDrop : negated conditional → NO_COVERAGE	if (this.dragPaths != null && !this.dragPaths.isEmpty()) {
52	1 1. parseStringDrop : removed call to com/jsql/view/swing/list/ListTransfertHandler::addFromList → NO_COVERAGE	this.addFromList(listModel, childIndex, listSelectedIndices);
53		} else {
54	1 1. parseStringDrop : removed call to com/jsql/view/swing/list/ListTransfertHandler::addFromOutside → NO_COVERAGE	this.addFromOutside(support, listModel, childIndex, listSelectedIndices);
55		}
56
57		var selectedIndices = new int[listSelectedIndices.size()];
58		var i = 0;
59		for (Integer integer: listSelectedIndices) {
60		selectedIndices[i] = integer;
61	1 1. parseStringDrop : Changed increment from 1 to -1 → NO_COVERAGE	i++;
62		}
63	1 1. parseStringDrop : removed call to com/jsql/view/swing/list/DnDList::setSelectedIndices → NO_COVERAGE	list.setSelectedIndices(selectedIndices);
64		}
65
66		private void addFromOutside(TransferSupport support, DefaultListModel<ItemList> listModel, int childIndexFrom, List<Integer> listSelectedIndices) {
67		try {
68		int childIndexTo = childIndexFrom;
69		var importString = (String) support.getTransferable().getTransferData(DataFlavor.stringFlavor);
70		for (String value: importString.split("\\n")) {
71	1 1. addFromOutside : negated conditional → NO_COVERAGE	if (StringUtils.isNotEmpty(value)) {
72		listSelectedIndices.add(childIndexTo);
73	2 1. addFromOutside : removed call to javax/swing/DefaultListModel::add → NO_COVERAGE 2. addFromOutside : Changed increment from 1 to -1 → NO_COVERAGE	listModel.add(childIndexTo++, new ItemList(value.replace("\\", "/")));
74		}
75		}
76		} catch (UnsupportedFlavorException \| IOException e) {
77		LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
78		}
79		}
80
81		private void addFromList(DefaultListModel<ItemList> listModel, int childIndexFrom, List<Integer> listSelectedIndices) {
82		int childIndexTo = childIndexFrom;
83		for (ItemList value: this.dragPaths) {
84	1 1. addFromList : negated conditional → NO_COVERAGE	if (StringUtils.isNotEmpty(value.toString())) {
85		var newValue = new ItemList(value.toString().replace("\\", "/")); //! FUUuu
86		listSelectedIndices.add(childIndexTo);
87	2 1. addFromList : removed call to javax/swing/DefaultListModel::add → NO_COVERAGE 2. addFromList : Changed increment from 1 to -1 → NO_COVERAGE	listModel.add(childIndexTo++, newValue);
88		}
89		}
90		}
91
92		@Override
93		protected List<Integer> initStringPaste(String clipboardText, int selectedIndexFrom, DefaultListModel<ItemList> listModel) {
94		int selectedIndexTo = selectedIndexFrom;
95		List<Integer> selectedIndexes = new ArrayList<>();
96		for (String line: clipboardText.split("\\n")) {
97	1 1. initStringPaste : negated conditional → NO_COVERAGE	if (StringUtils.isNotEmpty(line)) {
98		String newLine = line.replace("\\", "/");
99		var newItem = new ItemList(newLine);
100		selectedIndexes.add(selectedIndexTo);
101	2 1. initStringPaste : Changed increment from 1 to -1 → NO_COVERAGE 2. initStringPaste : removed call to javax/swing/DefaultListModel::add → NO_COVERAGE	listModel.add(selectedIndexTo++, newItem);
102		}
103		}
104	1 1. initStringPaste : replaced return value with Collections.emptyList for com/jsql/view/swing/list/ListTransfertHandler::initStringPaste → NO_COVERAGE	return selectedIndexes;
105		}
106		}
		Mutations
41		1.1 Location : initTransferable Killed by : none replaced return value with "" for com/jsql/view/swing/list/ListTransfertHandler::initTransferable → NO_COVERAGE
51		1.1 Location : parseStringDrop Killed by : none negated conditional → NO_COVERAGE 2.2 Location : parseStringDrop Killed by : none negated conditional → NO_COVERAGE
52		1.1 Location : parseStringDrop Killed by : none removed call to com/jsql/view/swing/list/ListTransfertHandler::addFromList → NO_COVERAGE
54		1.1 Location : parseStringDrop Killed by : none removed call to com/jsql/view/swing/list/ListTransfertHandler::addFromOutside → NO_COVERAGE
61		1.1 Location : parseStringDrop Killed by : none Changed increment from 1 to -1 → NO_COVERAGE
63		1.1 Location : parseStringDrop Killed by : none removed call to com/jsql/view/swing/list/DnDList::setSelectedIndices → NO_COVERAGE
71		1.1 Location : addFromOutside Killed by : none negated conditional → NO_COVERAGE
73		1.1 Location : addFromOutside Killed by : none removed call to javax/swing/DefaultListModel::add → NO_COVERAGE 2.2 Location : addFromOutside Killed by : none Changed increment from 1 to -1 → NO_COVERAGE
84		1.1 Location : addFromList Killed by : none negated conditional → NO_COVERAGE
87		1.1 Location : addFromList Killed by : none removed call to javax/swing/DefaultListModel::add → NO_COVERAGE 2.2 Location : addFromList Killed by : none Changed increment from 1 to -1 → NO_COVERAGE
97		1.1 Location : initStringPaste Killed by : none negated conditional → NO_COVERAGE
101		1.1 Location : initStringPaste Killed by : none Changed increment from 1 to -1 → NO_COVERAGE 2.2 Location : initStringPaste Killed by : none removed call to javax/swing/DefaultListModel::add → NO_COVERAGE
104		1.1 Location : initStringPaste Killed by : none replaced return value with Collections.emptyList for com/jsql/view/swing/list/ListTransfertHandler::initStringPaste → NO_COVERAGE

ListTransfertHandler.java

Mutations

Active mutators

Tests examined