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java.lang.Object java.io.Writer org.elasticsearch.common.io.StringBuilderWriter
@NotThreadSafe public class StringBuilderWriter
A Writer based on StringBuilder
. Also alows for thread local reuse of StringBuilder
by using: StringBuilderWriter.Cached.cached()
in order to obtain the cached writer. Note,
in such cases, the getBuilder()
should be called and used (usually toString
it)
before another usage of the writer.
Nested Class Summary | |
---|---|
static class |
StringBuilderWriter.Cached
A thread local based cache of StringBuilderWriter . |
Field Summary |
---|
Fields inherited from class java.io.Writer |
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lock |
Constructor Summary | |
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StringBuilderWriter()
Construct a new StringBuilder instance with default capacity. |
|
StringBuilderWriter(int capacity)
Construct a new StringBuilder instance with the specified capacity. |
|
StringBuilderWriter(java.lang.StringBuilder builder)
Construct a new instance with the specified StringBuilder . |
Method Summary | |
---|---|
java.io.Writer |
append(char value)
Append a single character to this Writer. |
java.io.Writer |
append(java.lang.CharSequence value)
Append a character sequence to this Writer. |
java.io.Writer |
append(java.lang.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. |
java.lang.StringBuilder |
getBuilder()
Return the underlying builder. |
java.lang.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(java.lang.String value)
Write a String to the StringBuilder . |
Methods inherited from class java.io.Writer |
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write, write, write |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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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(java.lang.StringBuilder builder)
StringBuilder
.
builder
- The String builderMethod Detail |
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public java.io.Writer append(char value)
append
in interface java.lang.Appendable
append
in class java.io.Writer
value
- The character to append
public java.io.Writer append(java.lang.CharSequence value)
append
in interface java.lang.Appendable
append
in class java.io.Writer
value
- The character to append
public java.io.Writer append(java.lang.CharSequence value, int start, int end)
StringBuilder
.
append
in interface java.lang.Appendable
append
in class java.io.Writer
value
- The character to appendstart
- The index of the first characterend
- The index of the last character + 1
public void close()
close
in interface java.io.Closeable
close
in class java.io.Writer
public void flush()
flush
in interface java.io.Flushable
flush
in class java.io.Writer
public void write(java.lang.String value)
StringBuilder
.
write
in class java.io.Writer
value
- The value to writepublic void write(char[] value, int offset, int length)
StringBuilder
.
write
in class java.io.Writer
value
- The value to writeoffset
- The index of the first characterlength
- The number of characters to writepublic java.lang.StringBuilder getBuilder()
public java.lang.String toString()
StringBuilder.toString()
.
toString
in class java.lang.Object
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