Package org.apache.myfaces.util.lang
Class StringCharArrayAccessor
- java.lang.Object
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- org.apache.myfaces.util.lang.StringCharArrayAccessor
 
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 public class StringCharArrayAccessor extends Object 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 SummaryAll Methods Static Methods Concrete Methods Modifier and Type Method Description static StringcreateString(char[] charBuf)creates a new java.lang.String by setting the char array directly to the String instance with reflection.static booleanisEnabled()static 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 Detail- 
writeStringAsCharArraypublic static void writeStringAsCharArray(Writer writer, String str) 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
- 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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createStringpublic static String createString(char[] charBuf) creates 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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