Last change
on this file since 13186 was 12987, checked in by bastiK, 6 years ago |
see #15410 - change preferences scheme for named colors - makes runtime color name registry obsolete
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native
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File size:
1.4 KB
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1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.spi.preferences;
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3 |
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4 | import java.util.ArrayList;
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5 | import java.util.Collection;
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6 | import java.util.Collections;
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7 | import java.util.List;
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8 |
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9 | /**
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10 | * Setting containing a {@link List} of {@link String} values.
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11 | * @since 12881 (moved from package {@code org.openstreetmap.josm.data.preferences})
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12 | */
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13 | public class ListSetting extends AbstractSetting<List<String>> {
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14 | /**
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15 | * Constructs a new {@code ListSetting} with the given value
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16 | * @param value The setting value
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17 | */
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18 | public ListSetting(List<String> value) {
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19 | super(value);
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20 | consistencyTest();
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21 | }
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22 |
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23 | /**
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24 | * Convenience factory method.
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25 | * @param value the value
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26 | * @return a corresponding ListSetting object
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27 | */
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28 | public static ListSetting create(Collection<String> value) {
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29 | return new ListSetting(value == null ? null : Collections.unmodifiableList(new ArrayList<>(value)));
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30 | }
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31 |
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32 | @Override
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33 | public ListSetting copy() {
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34 | return ListSetting.create(value);
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35 | }
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36 |
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37 | private void consistencyTest() {
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38 | if (value != null && value.contains(null))
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39 | throw new IllegalArgumentException("Error: Null as list element in preference setting: " + value);
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40 | }
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41 |
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42 | @Override
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43 | public void visit(SettingVisitor visitor) {
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44 | visitor.visit(this);
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45 | }
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46 |
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47 | @Override
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48 | public ListSetting getNullInstance() {
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49 | return new ListSetting(null);
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50 | }
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51 | }
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