Last change
on this file since 17318 was 15934, checked in by simon04, 4 years ago |
see #18749 - Intern strings to reduce memory footprint
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native
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File size:
1.2 KB
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1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.mappaint.mapcss;
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3 |
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4 | import java.util.Arrays;
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5 |
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6 | import org.openstreetmap.josm.gui.mappaint.Environment;
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7 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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8 |
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9 | /**
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10 | * Simple literal value, that does not depend on other expressions.
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11 | * @since 5705
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12 | */
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13 | public class LiteralExpression implements Expression {
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14 | private final Object literal;
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15 |
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16 | /**
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17 | * Constructs a new {@code LiteralExpression}.
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18 | * @param literal literal
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19 | */
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20 | public LiteralExpression(Object literal) {
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21 | CheckParameterUtil.ensureParameterNotNull(literal);
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22 | this.literal = literal instanceof String ? ((String) literal).intern() : literal;
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23 | }
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24 |
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25 | /**
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26 | * Returns the literal.
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27 | * @return the literal
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28 | * @since 14484
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29 | */
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30 | public final Object getLiteral() {
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31 | return literal;
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32 | }
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33 |
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34 | @Override
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35 | public Object evaluate(Environment env) {
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36 | return literal;
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37 | }
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38 |
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39 | @Override
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40 | public String toString() {
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41 | if (literal instanceof float[]) {
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42 | return Arrays.toString((float[]) literal);
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43 | }
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44 | return '<' + literal.toString() + '>';
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45 | }
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46 | }
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