[72] | 1 | package org.openstreetmap.josm.tools;
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| 2 |
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| 3 | import java.util.HashMap;
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| 4 |
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| 5 | /**
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| 6 | * Helper class to use for xml outputting classes.
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| 7 | *
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| 8 | * @author imi
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| 9 | */
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| 10 | public class XmlWriter {
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| 11 |
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| 12 | /**
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| 13 | * Encode the given string in XML1.0 format.
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| 14 | * Optimized to fast pass strings that don't need encoding (normal case).
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| 15 | */
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| 16 | public static String encode(String unencoded) {
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| 17 | StringBuilder buffer = null;
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| 18 | for (int i = 0; i < unencoded.length(); ++i) {
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| 19 | String encS = XmlWriter.encoding.get(unencoded.charAt(i));
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| 20 | if (encS != null) {
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| 21 | if (buffer == null)
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| 22 | buffer = new StringBuilder(unencoded.substring(0,i));
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| 23 | buffer.append(encS);
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| 24 | } else if (buffer != null)
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| 25 | buffer.append(unencoded.charAt(i));
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| 26 | }
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| 27 | return (buffer == null) ? unencoded : buffer.toString();
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| 28 | }
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| 29 |
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| 30 | /**
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| 31 | * @return The standard XML1.0 header. Encoding is utf-8
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| 32 | */
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| 33 | public static Object header() {
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| 34 | return "<?xml version='1.0' encoding='UTF-8'?>";
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| 35 | }
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| 36 |
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| 37 |
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| 38 |
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| 39 | final private static HashMap<Character, String> encoding = new HashMap<Character, String>();
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| 40 | static {
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| 41 | encoding.put('<', "<");
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| 42 | encoding.put('>', ">");
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| 43 | encoding.put('"', """);
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| 44 | encoding.put('\'', "'");
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| 45 | encoding.put('&', "&");
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| 46 | encoding.put('\n', "
");
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| 47 | encoding.put('\r', "
");
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| 48 | encoding.put('\t', "	");
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| 49 | }
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| 50 | }
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