Package org.apache.myfaces.util.lang
Class StringCharArrayAccessor
java.lang.Object
org.apache.myfaces.util.lang.StringCharArrayAccessor
Provides optimized access to java.lang.String internals
 - Optimized way of creating java.lang.String by reusing a char[] buffer -
 Optimized way of writing String to java.io.Writer
 java.lang.String creation reusing a char[] buffer requires Java 1.5+
 System property "oam.stringchararrayaccessor.enabled" enables this hack.
 -Doam.stringchararrayaccessor.enabled=true
 Read JSR-133, "9.1.1 Post-Construction Modification of Final Fields"
 http://www.cs.umd.edu/~pugh/java/memoryModel/jsr133.pdf
- Author:
- Lari Hotari, Sagire Software Oy see org.codehaus.groovy.grails.web.util.StreamCharBuffer file licensed under ASL v2.0 Copyright 2009 the original author or authors.
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Method SummaryModifier and TypeMethodDescriptionstatic StringcreateString(char[] charBuf) creates a new java.lang.String by setting the char array directly to the String instance with reflection.static booleanstatic voidwriteStringAsCharArray(Writer writer, String str) Writes a portion of a string to a target java.io.Writer with direct access to the char[] of the java.lang.Stringstatic voidwriteStringAsCharArray(Writer writer, String str, int off, int len) Writes a portion of a string to a target java.io.Writer with direct access to the char[] of the java.lang.String
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Method Details- 
writeStringAsCharArrayWrites a portion of a string to a target java.io.Writer with direct access to the char[] of the java.lang.String- Parameters:
- writer- target java.io.Writer for output
- str- A String
- Throws:
- IOException- If an I/O error occurs
 
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writeStringAsCharArraypublic static void writeStringAsCharArray(Writer writer, String str, int off, int len) throws IOException Writes a portion of a string to a target java.io.Writer with direct access to the char[] of the java.lang.String- Parameters:
- writer- target java.io.Writer for output
- str- A String
- off- Offset from which to start writing characters
- len- Number of characters to write
- Throws:
- IOException- If an I/O error occurs
 
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createStringcreates a new java.lang.String by setting the char array directly to the String instance with reflection.- Parameters:
- charBuf- char array to be used as java.lang.String content, don't modify it after passing it.
- Returns:
- new java.lang.String
 
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isEnabledpublic static boolean isEnabled()
 
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