org.apache.commons.lang3.StringEscapeUtils.unescapeHtml4()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.apache.commons.lang3.StringEscapeUtils.unescapeHtml4()方法的一些代码示例，展示了StringEscapeUtils.unescapeHtml4()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。StringEscapeUtils.unescapeHtml4()方法的具体详情如下：
包路径：org.apache.commons.lang3.StringEscapeUtils
类名称：StringEscapeUtils
方法名：unescapeHtml4

StringEscapeUtils.unescapeHtml4介绍

[英]Unescapes a string containing entity escapes to a string containing the actual Unicode characters corresponding to the escapes. Supports HTML 4.0 entities.

For example, the string "<Français>"will become ""

If an entity is unrecognized, it is left alone, and inserted verbatim into the result string. e.g. ">&zzzz;x" will become ">&zzzz;x".
[中]unescape将包含实体转义的字符串转换为包含与转义相对应的实际Unicode字符的字符串。支持HTML4.0实体。
例如，字符串“<Français>”将变为“
如果一个实体无法识别，它将被单独保留，并逐字插入结果字符串。e、 g.“>&zzzz；x”将变成“>&zzzz；x”。

代码示例

代码示例来源：origin: springside/springside4

/**
   * Html解码，将HTML4格式的字符串转码解码为普通字符串.
   * 
   * 比如 &quot;bread&quot; &amp; &quot;butter&quot;转化为"bread" & "butter"
   */
  public static String unescapeHtml(String html) {
    return StringEscapeUtils.unescapeHtml4(html);
  }
}

代码示例来源：origin: signalapp/BitHub

public String parseDestinationFromMessage() {
 String message = StringEscapeUtils.unescapeHtml4(coinbaseTransaction.getNotes());
 int startToken = message.indexOf("__");
 if (startToken == -1) {
  return "Unknown";
 }
 int endToken = message.indexOf("__", startToken + 1);
 if (endToken == -1) {
  return "Unknown";
 }
 return message.substring(startToken+2, endToken);
}

代码示例来源：origin: signalapp/BitHub

public String parseUrlFromMessage() throws ParseException {
 String message = StringEscapeUtils.unescapeHtml4(coinbaseTransaction.getNotes());
 int urlIndex = message.indexOf("https://");
 return message.substring(urlIndex).trim();
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testUnescapeHexCharsHtml() {
  // Simple easy to grok test
  assertEquals("hex number unescape", "\u0080\u009F", StringEscapeUtils.unescapeHtml4("&#x80;&#x9F;"));
  assertEquals("hex number unescape", "\u0080\u009F", StringEscapeUtils.unescapeHtml4("&#X80;&#X9F;"));
  // Test all Character values:
  for (char i = Character.MIN_VALUE; i < Character.MAX_VALUE; i++) {
    final Character c1 = new Character(i);
    final Character c2 = new Character((char)(i+1));
    final String expected = c1.toString() + c2.toString();
    final String escapedC1 = "&#x" + Integer.toHexString((c1.charValue())) + ";";
    final String escapedC2 = "&#x" + Integer.toHexString((c2.charValue())) + ";";
    assertEquals("hex number unescape index " + (int)i, expected, StringEscapeUtils.unescapeHtml4(escapedC1 + escapedC2));
  }
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testUnescapeUnknownEntity() throws Exception {
  assertEquals("&zzzz;", StringEscapeUtils.unescapeHtml4("&zzzz;"));
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testLang313() {
  assertEquals("& &", StringEscapeUtils.unescapeHtml4("& &amp;"));
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testUnescapeHtml4() {
  for (final String[] element : HTML_ESCAPES) {
    final String message = element[0];
    final String expected = element[2];
    final String original = element[1];
    assertEquals(message, expected, StringEscapeUtils.unescapeHtml4(original));
    final StringWriter sw = new StringWriter();
    try {
      StringEscapeUtils.UNESCAPE_HTML4.translate(original, sw);
    } catch (final IOException e) {
    }
    final String actual = original == null ? null : sw.toString();
    assertEquals(message, expected, actual);
  }
  // \u00E7 is a cedilla (c with wiggle under)
  // note that the test string must be 7-bit-clean (Unicode escaped) or else it will compile incorrectly
  // on some locales
  assertEquals("funny chars pass through OK", "Fran\u00E7ais", StringEscapeUtils.unescapeHtml4("Fran\u00E7ais"));
  assertEquals("Hello&;World", StringEscapeUtils.unescapeHtml4("Hello&;World"));
  assertEquals("Hello&#;World", StringEscapeUtils.unescapeHtml4("Hello&#;World"));
  assertEquals("Hello&# ;World", StringEscapeUtils.unescapeHtml4("Hello&# ;World"));
  assertEquals("Hello&##;World", StringEscapeUtils.unescapeHtml4("Hello&##;World"));
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testEscapeHtmlVersions() throws Exception {
  assertEquals("&Beta;", StringEscapeUtils.escapeHtml4("\u0392"));
  assertEquals("\u0392", StringEscapeUtils.unescapeHtml4("&Beta;"));
  // TODO: refine API for escaping/unescaping specific HTML versions
}

代码示例来源：origin: org.apache.commons/commons-lang3

/**
   * Tests // https://issues.apache.org/jira/browse/LANG-480
   */
  @Test
  public void testEscapeHtmlHighUnicode() {
    // this is the utf8 representation of the character:
    // COUNTING ROD UNIT DIGIT THREE
    // in Unicode
    // codepoint: U+1D362
    final byte[] data = new byte[] { (byte)0xF0, (byte)0x9D, (byte)0x8D, (byte)0xA2 };

    final String original = new String(data, Charset.forName("UTF8"));

    final String escaped = StringEscapeUtils.escapeHtml4( original );
    assertEquals( "High Unicode should not have been escaped", original, escaped);

    final String unescaped = StringEscapeUtils.unescapeHtml4( escaped );
    assertEquals( "High Unicode should have been unchanged", original, unescaped);

// TODO: I think this should hold, needs further investigation
//        String unescapedFromEntity = StringEscapeUtils.unescapeHtml4( "&#119650;" );
//        assertEquals( "High Unicode should have been unescaped", original, unescapedFromEntity);
  }

代码示例来源：origin: org.apache.commons/commons-lang3

/**
 * Tests https://issues.apache.org/jira/browse/LANG-339
 */
@Test
public void testEscapeHiragana() {
  // Some random Japanese Unicode characters
  final String original = "\u304B\u304C\u3068";
  final String escaped = StringEscapeUtils.escapeHtml4(original);
  assertEquals( "Hiragana character Unicode behaviour should not be being escaped by escapeHtml4",
  original, escaped);
  final String unescaped = StringEscapeUtils.unescapeHtml4( escaped );
  assertEquals( "Hiragana character Unicode behaviour has changed - expected no unescaping", escaped, unescaped);
}

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testStandaloneAmphersand() {
  assertEquals("<P&O>", StringEscapeUtils.unescapeHtml4("&lt;P&O&gt;"));
  assertEquals("test & <", StringEscapeUtils.unescapeHtml4("test & &lt;"));
  assertEquals("<P&O>", StringEscapeUtils.unescapeXml("&lt;P&O&gt;"));
  assertEquals("test & <", StringEscapeUtils.unescapeXml("test & &lt;"));
}

代码示例来源：origin: loklak/loklak_server

if ((p = input.indexOf("data-reply-to-users-json=")) >= 0) {
  prop mentions_prop = new prop(input, p, "data-reply-to-users-json");
  String decoded = StringEscapeUtils.unescapeHtml4(mentions_prop.value);
  JSONArray a = new JSONArray(new JSONTokener(decoded));
  for (int i = 0; i < a.length(); i++) {

代码示例来源：origin: zhangxd1989/springboot-dubbox

@Override
  public void serialize(String value, JsonGenerator jgen,
             SerializerProvider provider) throws IOException {
    jgen.writeString(StringEscapeUtils.unescapeHtml4(value));
  }
}));

代码示例来源：origin: org.apache.commons/commons-lang3

@Test
public void testUnescapeSurrogatePairs() throws Exception {
  assertEquals("\uD83D\uDE30", StringEscapeUtils.unescapeCsv("\uD83D\uDE30"));
  // Examples from https://en.wikipedia.org/wiki/UTF-16
  assertEquals("\uD800\uDC00", StringEscapeUtils.unescapeCsv("\uD800\uDC00"));
  assertEquals("\uD834\uDD1E", StringEscapeUtils.unescapeCsv("\uD834\uDD1E"));
  assertEquals("\uDBFF\uDFFD", StringEscapeUtils.unescapeCsv("\uDBFF\uDFFD"));
  assertEquals("\uDBFF\uDFFD", StringEscapeUtils.unescapeHtml3("\uDBFF\uDFFD"));
  assertEquals("\uDBFF\uDFFD", StringEscapeUtils.unescapeHtml4("\uDBFF\uDFFD"));
}

代码示例来源：origin: ron190/jsql-injection

result = StringEscapeUtils.unescapeHtml4(textInput).replace("<", "&lt;").replace(">", "&gt;");

代码示例来源：origin: chengzhx76/weixin-shop-spring-cloud

/**
 * Html 解码
 * @param htmlEscaped
 * @return
 */
public static String unescapeHtml(String htmlEscaped) {
  return StringEscapeUtils.unescapeHtml4(htmlEscaped);
}

代码示例来源：origin: jobxhub/JobX

/**
 * Html 解码.
 */
public static String unescapeHtml(String htmlEscaped) {
  return StringEscapeUtils.unescapeHtml4(htmlEscaped);
}

代码示例来源：origin: lcw2004/one

/**
 * Html 解码.
 */
public static String unescapeHtml(String htmlEscaped) {
  return StringEscapeUtils.unescapeHtml4(htmlEscaped);
}

代码示例来源：origin: com.quhaodian.discover/discover-user

/**
 * Html 解码.
 */
public static String unescapeHtml(String htmlEscaped) {
 return StringEscapeUtils.unescapeHtml4(htmlEscaped);
}

代码示例来源：origin: com.atlassian.confluence/confluence-webdriver-pageobjects

public String normalizeHtml(String html, boolean normalizeSpaces) {
  // editorContent.setContentViaJs requires single quotes - replace non-escaped (not preceded by backslash) double quotes
  html = html.replaceAll("(?<!\\\\)\"", "'");
  // Why escape and unescape? Milter Reis: The reason for that is that firefox was having different return characters
  // representations than chrome, and it was making assertions fail
  StringBuilder buffer = new StringBuilder(unescapeHtml4(escapeHtml4(html)));
  return normalizeSpaces ? buffer.toString().replace("&nbsp;", " ") : buffer.toString();
}

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