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| package org.apache.tapestry.util.text; |
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| public class MarkupCharacterTranslator implements ICharacterTranslator |
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| { |
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| private static final String SAFE_CHARACTERS = |
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| "01234567890" |
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| + "abcdefghijklmnopqrstuvwxyz" |
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| + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
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| + "\t\n\r !#$%'()*+,-./:;=?@[\\]^_`{|}~"; |
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| |
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| private static final String[][] ENTITIES = { |
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| { "\"", """ }, |
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| { "<", "<" }, |
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| { ">", ">" }, |
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| { "&", "&" } |
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| }; |
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| |
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| private static final ICharacterMatcher SAFE_MATCHER = new AsciiCharacterMatcher(SAFE_CHARACTERS); |
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| private static final ICharacterTranslator ENTITY_TRANSLATOR = new AsciiCharacterTranslator(ENTITIES); |
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| |
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| private boolean _encodeNonAscii; |
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| private ICharacterMatcher _safeMatcher; |
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| private ICharacterTranslator _entityTranslator; |
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| public MarkupCharacterTranslator()
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| { |
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| this(true);
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| } |
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| public MarkupCharacterTranslator(boolean encodeNonAscii)
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| { |
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| this(encodeNonAscii, SAFE_MATCHER, ENTITY_TRANSLATOR);
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| } |
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| public MarkupCharacterTranslator(boolean encodeNonAscii, ICharacterMatcher safeMatcher, ICharacterTranslator entityTranslator)
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| { |
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| _encodeNonAscii = encodeNonAscii;
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| _safeMatcher = safeMatcher;
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| _entityTranslator = entityTranslator;
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| } |
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| public MarkupCharacterTranslator(boolean encodeNonAscii, String safeCharacters, String[][] entities)
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| { |
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| _encodeNonAscii = encodeNonAscii;
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| _safeMatcher = new AsciiCharacterMatcher(safeCharacters);
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| _entityTranslator = new AsciiCharacterTranslator(entities);
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| } |
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220623
| public String translate(char ch) {
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| if (ch >= 160 && !_encodeNonAscii)
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| return null;
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220591
| if (_safeMatcher.matches(ch))
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| return null;
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| String entity = _entityTranslator.translate(ch);
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| if (entity != null)
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| return entity;
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| return "&#" + (int) ch + ";";
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| } |
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| } |