Package org.apache.groovy.io
Class StringBuilderWriter
- java.lang.Object
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- java.io.Writer
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- org.apache.groovy.io.StringBuilderWriter
 
 
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- All Implemented Interfaces:
- Closeable,- Flushable,- Serializable,- Appendable,- AutoCloseable
 
 public class StringBuilderWriter extends Writer implements Serializable Copied from https://github.com/apache/commons-io/blob/master/src/main/java/org/apache/commons/io/output/StringBuilderWriter.javaWriterimplementation that outputs to aStringBuilder.NOTE: This implementation, as an alternative to java.io.StringWriter, provides an un-synchronized (i.e. for use in a single thread) implementation for better performance. For safe usage with multipleThreads thenjava.io.StringWritershould be used.- Since:
- 2.0
- See Also:
- Serialized Form
 
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Constructor SummaryConstructors Constructor Description StringBuilderWriter()Constructs a newStringBuilderinstance with default capacity.StringBuilderWriter(int capacity)Constructs a newStringBuilderinstance with the specified capacity.StringBuilderWriter(StringBuilder builder)Constructs a new instance with the specifiedStringBuilder.
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Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description Writerappend(char value)Appends a single character to this Writer.Writerappend(CharSequence value)Appends a character sequence to this Writer.Writerappend(CharSequence value, int start, int end)Appends a portion of a character sequence to theStringBuilder.voidclose()Closing this writer has no effect.voidflush()Flushing this writer has no effect.StringBuildergetBuilder()Returns the underlying builder.StringtoString()ReturnsStringBuilder.toString().voidwrite(char[] value, int offset, int length)Writes a portion of a character array to theStringBuilder.voidwrite(String value)Writes a String to theStringBuilder.- 
Methods inherited from class java.io.WriternullWriter, write, write, write
 
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Constructor Detail- 
StringBuilderWriterpublic StringBuilderWriter() Constructs a newStringBuilderinstance with default capacity.
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StringBuilderWriterpublic StringBuilderWriter(int capacity) Constructs a newStringBuilderinstance with the specified capacity.- Parameters:
- capacity- The initial capacity of the underlying- StringBuilder
 
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StringBuilderWriterpublic StringBuilderWriter(StringBuilder builder) Constructs a new instance with the specifiedStringBuilder.If builderis null a new instance with default capacity will be created.- Parameters:
- builder- The String builder. May be null.
 
 
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Method Detail- 
appendpublic Writer append(char value) Appends a single character to this Writer.- Specified by:
- appendin interface- Appendable
- Overrides:
- appendin class- Writer
- Parameters:
- value- The character to append
- Returns:
- This writer instance
 
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appendpublic Writer append(CharSequence value) Appends a character sequence to this Writer.- Specified by:
- appendin interface- Appendable
- Overrides:
- appendin class- Writer
- Parameters:
- value- The character to append
- Returns:
- This writer instance
 
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appendpublic Writer append(CharSequence value, int start, int end) Appends a portion of a character sequence to theStringBuilder.- Specified by:
- appendin interface- Appendable
- Overrides:
- appendin class- Writer
- Parameters:
- value- The character to append
- start- The index of the first character
- end- The index of the last character + 1
- Returns:
- This writer instance
 
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closepublic void close() Closing this writer has no effect.
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flushpublic void flush() Flushing this writer has no effect.
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writepublic void write(String value) Writes a String to theStringBuilder.
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writepublic void write(char[] value, int offset, int length)Writes a portion of a character array to theStringBuilder.
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getBuilderpublic StringBuilder getBuilder() Returns the underlying builder.- Returns:
- The underlying builder
 
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toStringpublic String toString() ReturnsStringBuilder.toString().
 
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