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Last change
on this file since 2803 was 2702, checked in by bastiK, 14 years ago |
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fixed #4100 - unable to simply load already referenced images
Added 'jpg' to the list of available formats for 'File' > 'Open...'
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File size:
522 bytes
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| 1 | // License: GPL. See LICENSE file for details.
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| 2 | package org.openstreetmap.josm.tools;
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| 3 |
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| 4 | import java.util.ArrayList;
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| 5 | import java.util.List;
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| 6 | import java.util.HashMap;
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| 7 |
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| 8 | /**
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| 9 | * Maps keys to a list of values. Partial implementation. Extend if you need more!
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| 10 | */
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| 11 | public class MultiMap<A, B> extends HashMap<A, List<B>> {
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| 12 | public void add(A key, B value) {
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| 13 | List<B> vals = get(key);
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| 14 | if (vals == null) {
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| 15 | vals = new ArrayList<B>();
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| 16 | put(key, vals);
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| 17 | }
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| 18 | vals.add(value);
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| 19 | }
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| 20 | }
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