public class StringBuilderWriter extends Writer implements Serializable
Writer
implementation that outputs to a StringBuilder
.
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 multiple Thread
s then
java.io.StringWriter
should be used.
Constructor and Description |
---|
StringBuilderWriter()
Construct a new
StringBuilder instance with default capacity. |
StringBuilderWriter(int capacity)
Construct a new
StringBuilder instance with the specified capacity. |
StringBuilderWriter(StringBuilder builder)
Construct a new instance with the specified
StringBuilder . |
Modifier and Type | Method and Description |
---|---|
Writer |
append(char value)
Append a single character to this Writer.
|
Writer |
append(CharSequence value)
Append a character sequence to this Writer.
|
Writer |
append(CharSequence value,
int start,
int end)
Append a portion of a character sequence to the
StringBuilder . |
void |
close()
Closing this writer has no effect.
|
void |
flush()
Flushing this writer has no effect.
|
StringBuilder |
getBuilder()
Return the underlying builder.
|
String |
toString()
Returns
StringBuilder.toString() . |
void |
write(char[] value,
int offset,
int length)
Write a portion of a character array to the
StringBuilder . |
void |
write(String value)
Write a String to the
StringBuilder . |
public StringBuilderWriter()
StringBuilder
instance with default capacity.public StringBuilderWriter(int capacity)
StringBuilder
instance with the specified capacity.capacity
- The initial capacity of the underlying StringBuilder
public StringBuilderWriter(StringBuilder builder)
StringBuilder
.builder
- The String builderpublic Writer append(char value)
append
in interface Appendable
append
in class Writer
value
- The character to appendpublic Writer append(CharSequence value)
append
in interface Appendable
append
in class Writer
value
- The character to appendpublic Writer append(CharSequence value, int start, int end)
StringBuilder
.append
in interface Appendable
append
in class Writer
value
- The character to appendstart
- The index of the first characterend
- The index of the last character + 1public void close()
public void flush()
public void write(String value)
StringBuilder
.public void write(char[] value, int offset, int length)
StringBuilder
.public StringBuilder getBuilder()
public String toString()
StringBuilder.toString()
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