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| com.ozacc.mail.fetch.impl.sk_jp.text.EntityRefEncoder |
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| 1 | /* |
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| 2 | * @(#) $Id: EntityRefEncoder.java,v 1.1.2.1 2005/01/18 07:20:43 otsuka Exp $ |
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| 3 | * $Revision: 1.1.2.1 $ |
|
| 4 | * Copyright (c) 2000 Shin Kinoshita All Rights Reserved. |
|
| 5 | */ |
|
| 6 | ||
| 7 | package com.ozacc.mail.fetch.impl.sk_jp.text; |
|
| 8 | ||
| 9 | import java.io.IOException; |
|
| 10 | import java.io.Reader; |
|
| 11 | import java.io.Writer; |
|
| 12 | ||
| 13 | /** |
|
| 14 | * <>&"¤?&lt;&gt;&amp;&quot;¤Ë |
|
| 15 | * ÊÑ´¹¤¹¤?Translator¤Ç¤¹¡£ |
|
| 16 | * ¥?¥¨¥ó¥È¥é¥ó¥È¤Ê¤Î¤Ç¡¢Ä̾?¤ÏINSTANCE/CANONICAL_INSTANCE¤òÍѤ¤¤?¤Ð¤è¤¤¤Ç¤¹¡£ |
|
| 17 | * ¤Þ¤¿String¥ª¥Ö¥¸¥§¥¯¥È¤ËÂФ·¤Æ¤Ïencode()¥á¥½¥Ã¥É¤¬»ÈÍѤǤ¤Þ¤¹¡£ |
|
| 18 | * @version $Revision: 1.1.2.1 $ $Date: 2005/01/18 07:20:43 $ |
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| 19 | * @author Shin |
|
| 20 | */ |
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| 21 | 0 | public class EntityRefEncoder implements Translator { |
| 22 | 0 | public static final EntityRefEncoder CANONICAL_INSTANCE = |
| 23 | 0 | new EntityRefEncoder(true); |
| 24 | 0 | public static final EntityRefEncoder INSTANCE = |
| 25 | 0 | new EntityRefEncoder(false); |
| 26 | ||
| 27 | public EntityRefEncoder() { |
|
| 28 | 0 | this(false); |
| 29 | 0 | } |
| 30 | 0 | public EntityRefEncoder(boolean canonical) { |
| 31 | 0 | setCanonical(canonical); |
| 32 | 0 | } |
| 33 | ||
| 34 | private boolean canonicalStatus; |
|
| 35 | private void setCanonical(boolean canonical) { |
|
| 36 | // public void setCanonical(boolean canonical) { |
|
| 37 | 0 | this.canonicalStatus = canonical; |
| 38 | 0 | } |
| 39 | ||
| 40 | /** |
|
| 41 | * ʸ»ú¥¹¥È¥ê¡¼¥à¤«¤éÆ?ÎϤ·¤¿Ê¸»úÎó¤òǤ°Õ¤ÎÊÑ´¹¤? |
|
| 42 | * ¹Ô¤¤¤Ê¤¬¤é½ÐÎÏ¥¹¥È¥ê¡¼¥à¤Ë½ñ¤½Ð¤·¤Þ¤¹¡£ |
|
| 43 | * <p> |
|
| 44 | * </p> |
|
| 45 | */ |
|
| 46 | public void translate(Reader r, Writer w) throws IOException { |
|
| 47 | int c; |
|
| 48 | 0 | while ((c = r.read()) != -1) { |
| 49 | 0 | translate((char)c, w, canonicalStatus); |
| 50 | } |
|
| 51 | 0 | w.flush(); |
| 52 | 0 | } |
| 53 | ||
| 54 | public String translate(String source) { |
|
| 55 | 0 | return encode(source); |
| 56 | } |
|
| 57 | /* |
|
| 58 | public static String encode(String s) { |
|
| 59 | if (s == null) return ""; |
|
| 60 | ||
| 61 | StringWriter w = new StringWriter(); |
|
| 62 | try { |
|
| 63 | EntityRefEncoder.INSTANCE.translate(new StringReader(s), w); |
|
| 64 | } catch (IOException e) { |
|
| 65 | throw new RuntimeException(); |
|
| 66 | } |
|
| 67 | return w.toString(); |
|
| 68 | } |
|
| 69 | */ |
|
| 70 | ||
| 71 | /** |
|
| 72 | * ʸ»úÎó¤Î¼ÂÂλ²¾È²½¤ò¹Ô¤¤¤Þ¤¹¡£ |
|
| 73 | * @param s ÂоÝʸ»úÎ? |
|
| 74 | * @return ÊÑ´¹¸åʸ»úÎ? |
|
| 75 | */ |
|
| 76 | // »÷¤¿¤è¤¦¤Ê¥³¡¼¥É¤ò½ñ¤¤¿¤¯¤Ï̵¤¤¤¬¹â®²½¤Î°Ù¡Ä |
|
| 77 | public static String encode(String s) { |
|
| 78 | 0 | if (s == null) return ""; |
| 79 | ||
| 80 | 0 | int len = s.length(); |
| 81 | 0 | StringBuffer buf = new StringBuffer(len + 128); |
| 82 | char c; |
|
| 83 | ||
| 84 | 0 | for (int i = 0; i < len; i++) { |
| 85 | 0 | c = s.charAt(i); |
| 86 | 0 | switch (c) { |
| 87 | 0 | case '<': buf.append("<"); break; |
| 88 | 0 | case '>': buf.append(">"); break; |
| 89 | 0 | case '&': buf.append("&"); break; |
| 90 | 0 | case '"': buf.append("""); break; |
| 91 | default: |
|
| 92 | 0 | buf.append(c); |
| 93 | } |
|
| 94 | } |
|
| 95 | 0 | return new String(buf); |
| 96 | } |
|
| 97 | ||
| 98 | /** |
|
| 99 | * ÆÃÄê¤Îʸ»ú¤ò¼ÂÂλ²¾È¤ËÊÑ´¹¤·¤Æ½ñ¤½Ð¤·¤Þ¤¹¡£ |
|
| 100 | */ |
|
| 101 | public static void translate(char c, Writer w, boolean canonical) |
|
| 102 | throws IOException { |
|
| 103 | 0 | switch (c) { |
| 104 | 0 | case '<': w.write("<"); break; |
| 105 | 0 | case '>': w.write(">"); break; |
| 106 | 0 | case '&': w.write("&"); break; |
| 107 | 0 | case '"': w.write("""); break; |
| 108 | case '\r': |
|
| 109 | case '\n': |
|
| 110 | 0 | if (canonical) { |
| 111 | 0 | w.write("&#"); |
| 112 | 0 | w.write(Integer.toString(c)); |
| 113 | 0 | w.write(';'); |
| 114 | } else { |
|
| 115 | 0 | w.write(c); |
| 116 | } |
|
| 117 | 0 | break; |
| 118 | default: |
|
| 119 | 0 | w.write(c); |
| 120 | } |
|
| 121 | 0 | } |
| 122 | ||
| 123 | /** |
|
| 124 | * ¼ÂÂλ²¾ÈÊÑ´¹¤µ¤?¤Æ¤¤¤?ʸ»úÎó¤ò¤â¤È¤ËÌᤷ¤Þ¤¹¡£ |
|
| 125 | * @param s ÂоÝʸ»úÎ? |
|
| 126 | * @return ÊÑ´¹¸åʸ»úÎ? |
|
| 127 | */ |
|
| 128 | public static String decode(String s) { |
|
| 129 | 0 | if (s == null) return ""; |
| 130 | ||
| 131 | 0 | int len = s.length(); |
| 132 | 0 | StringBuffer buf = new StringBuffer(len); |
| 133 | char c; |
|
| 134 | ||
| 135 | 0 | for (int i = 0; i < len; i++) { |
| 136 | 0 | c = s.charAt(i); |
| 137 | 0 | if (c != '&' || i > len - 4) { |
| 138 | 0 | buf.append(c); |
| 139 | 0 | continue; |
| 140 | } |
|
| 141 | 0 | if ((s.charAt(i + 2) == 't' || s.charAt(i + 2) == 'T') && |
| 142 | 0 | s.charAt(i + 3) == ';') { |
| 143 | 0 | switch (s.charAt(i + 1)) { |
| 144 | case 'l': |
|
| 145 | case 'L': |
|
| 146 | 0 | buf.append('<'); |
| 147 | 0 | i += 3; |
| 148 | 0 | continue; |
| 149 | case 'g': |
|
| 150 | case 'G': |
|
| 151 | 0 | buf.append('>'); |
| 152 | 0 | i += 3; |
| 153 | 0 | continue; |
| 154 | } |
|
| 155 | 0 | } else if (i < len - 4 && |
| 156 | 0 | (s.charAt(i + 1) == 'a' || s.charAt(i + 1) == 'A') && |
| 157 | 0 | (s.charAt(i + 2) == 'm' || s.charAt(i + 2) == 'M') && |
| 158 | 0 | (s.charAt(i + 3) == 'p' || s.charAt(i + 3) == 'P') && |
| 159 | 0 | s.charAt(i + 4) == ';') { |
| 160 | 0 | buf.append('&'); |
| 161 | 0 | i += 4; |
| 162 | 0 | continue; |
| 163 | 0 | } else if (i < len - 5 && |
| 164 | 0 | (s.charAt(i + 1) == 'q' || s.charAt(i + 1) == 'Q') && |
| 165 | 0 | (s.charAt(i + 2) == 'u' || s.charAt(i + 2) == 'U') && |
| 166 | 0 | (s.charAt(i + 3) == 'o' || s.charAt(i + 3) == 'O') && |
| 167 | 0 | (s.charAt(i + 4) == 't' || s.charAt(i + 4) == 'T') && |
| 168 | 0 | s.charAt(i + 5) == ';') { |
| 169 | 0 | buf.append('"'); |
| 170 | 0 | i += 5; |
| 171 | 0 | continue; |
| 172 | } |
|
| 173 | 0 | buf.append(c); |
| 174 | } |
|
| 175 | 0 | return new String(buf); |
| 176 | } |
|
| 177 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |