Class Transform
- java.lang.Object
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- org.apache.logging.log4j.core.util.Transform
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public final class Transform extends java.lang.Object
Utility class for transforming strings.
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Field Summary
Fields Modifier and Type Field Description private static java.lang.String
CDATA_EMBEDED_END
private static java.lang.String
CDATA_END
private static int
CDATA_END_LEN
private static java.lang.String
CDATA_PSEUDO_END
private static java.lang.String
CDATA_START
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Constructor Summary
Constructors Modifier Constructor Description private
Transform()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static void
appendEscapingCData(java.lang.StringBuilder buf, java.lang.String str)
Ensures that embedded CDEnd strings (]]>) are handled properly within message, NDC and throwable tag text.static java.lang.String
escapeHtmlTags(java.lang.String input)
This method takes a string which may contain HTML tags (ie, <b>, <table>, etc) and replaces any '<', '>' , '&' or '"' characters with respective predefined entity references.static java.lang.String
escapeJsonControlCharacters(java.lang.String input)
This method takes a string which may contain JSON reserved chars and escapes them.
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Field Detail
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CDATA_START
private static final java.lang.String CDATA_START
- See Also:
- Constant Field Values
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CDATA_END
private static final java.lang.String CDATA_END
- See Also:
- Constant Field Values
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CDATA_PSEUDO_END
private static final java.lang.String CDATA_PSEUDO_END
- See Also:
- Constant Field Values
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CDATA_EMBEDED_END
private static final java.lang.String CDATA_EMBEDED_END
- See Also:
- Constant Field Values
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CDATA_END_LEN
private static final int CDATA_END_LEN
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Method Detail
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escapeHtmlTags
public static java.lang.String escapeHtmlTags(java.lang.String input)
This method takes a string which may contain HTML tags (ie, <b>, <table>, etc) and replaces any '<', '>' , '&' or '"' characters with respective predefined entity references.- Parameters:
input
- The text to be converted.- Returns:
- The input string with the special characters replaced.
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appendEscapingCData
public static void appendEscapingCData(java.lang.StringBuilder buf, java.lang.String str)
Ensures that embedded CDEnd strings (]]>) are handled properly within message, NDC and throwable tag text.- Parameters:
buf
- StringBuilder holding the XML data to this point. The initial CDStart (<![CDATA[) and final CDEnd (]]>) of the CDATA section are the responsibility of the calling method.str
- The String that is inserted into an existing CDATA Section within buf.
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escapeJsonControlCharacters
public static java.lang.String escapeJsonControlCharacters(java.lang.String input)
This method takes a string which may contain JSON reserved chars and escapes them.- Parameters:
input
- The text to be converted.- Returns:
- The input string with the special characters replaced.
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