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| 1 | package de.ugoe.cs.util;
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| 2 |
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| 3 | final public class StringTools {
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| 4 |
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| 5 | public final static String ENDLINE = System.getProperty("line.separator");
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| 6 |
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| 7 | /**
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| 8 | * <p>
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| 9 | * Replaces all occurences of {@literal &, <, >, ', and "} with their
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| 10 | * respective XML entites {@literal &, <, >, ', and "}
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| 11 | * without destroying already existing entities.
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| 12 | * </p>
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| 13 | *
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| 14 | * @param str
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| 15 | * String where the XML entites are to be replaced
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| 16 | * @return new String, where the XML entites are used instead of the
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| 17 | * literals
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| 18 | */
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| 19 | public static String xmlEntityReplacement(String str) {
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| 20 | String result = str;
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| 21 | result = result.replaceAll("&(?!(?:lt|gt|apos|quot|amp);)", "&");
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| 22 | result = result.replaceAll("<", "<");
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| 23 | result = result.replaceAll(">", ">");
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| 24 | result = result.replaceAll("'", "'");
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| 25 | result = result.replaceAll("\"", """);
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| 26 | return result;
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| 27 | }
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| 28 | }
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