org.apache.lucene.analysis.util

## Class OpenStringBuilder

- java.lang.Object
- - org.apache.lucene.analysis.util.OpenStringBuilder

All Implemented Interfaces:
  Appendable, CharSequence

    public class OpenStringBuilder
    extends Object
    implements Appendable, CharSequence

A StringBuilder that allows one to access the array.

### Field Summary

Fields
`protected char[]` `buf`
`protected int` `len`

### Constructor Summary

Constructors
Constructor and Description
`OpenStringBuilder()`
`OpenStringBuilder(char[] arr, int len)`
`OpenStringBuilder(int size)`

### Method Summary

All Methods Instance Methods Concrete Methods
`Appendable` `append(char c)`
`Appendable` `append(CharSequence csq)`
`Appendable` `append(CharSequence csq, int start, int end)`
`int` `capacity()`
`char` `charAt(int index)`
`void` `flush()`
`char[]` `getArray()`
`int` `length()`
`void` `reserve(int num)`
`void` `reset()`
`protected void` `resize(int len)`
`void` `set(char[] arr, int end)`
`void` `setCharAt(int index, char ch)`
`void` `setLength(int len)`
`int` `size()`
`CharSequence` `subSequence(int start, int end)`
`char[]` `toCharArray()`
`String` `toString()`
`void` `unsafeWrite(char b)`
`void` `unsafeWrite(char[] b, int off, int len)`
`void` `unsafeWrite(int b)`
`void` `write(char b)`
`void` `write(char[] b)`
`void` `write(char[] b, int off, int len)`
`void` `write(int b)`
`void` `write(OpenStringBuilder arr)`
`void` `write(String s)`

### Methods inherited from class java.lang.Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

### Methods inherited from interface java.lang.CharSequence

`chars, codePoints`

### Field Detail

#### buf

    protected char[] buf

#### len

    protected int len

### Constructor Detail

#### OpenStringBuilder

    public OpenStringBuilder()

#### OpenStringBuilder

    public OpenStringBuilder(int size)

#### OpenStringBuilder

    public OpenStringBuilder(char[] arr,
                             int len)

### Method Detail

#### setLength

    public void setLength(int len)

#### set

    public void set(char[] arr,
                    int end)

#### getArray

    public char[] getArray()

#### size

    public int size()

#### length

    public int length()

Specified by:
  `length` in interface `CharSequence`

#### capacity

    public int capacity()

#### append

    public Appendable append(CharSequence csq)

Specified by:
  `append` in interface `Appendable`

#### append

    public Appendable append(CharSequence csq,
                             int start,
                             int end)

Specified by:
  `append` in interface `Appendable`

#### append

    public Appendable append(char c)

Specified by:
  `append` in interface `Appendable`

#### charAt

    public char charAt(int index)

Specified by:
  `charAt` in interface `CharSequence`

#### setCharAt

    public void setCharAt(int index,
                          char ch)

#### subSequence

    public CharSequence subSequence(int start,
                                    int end)

Specified by:
  `subSequence` in interface `CharSequence`

#### unsafeWrite

    public void unsafeWrite(char b)

#### unsafeWrite

    public void unsafeWrite(int b)

#### unsafeWrite

    public void unsafeWrite(char[] b,
                            int off,
                            int len)

#### resize

    protected void resize(int len)

#### reserve

    public void reserve(int num)

#### write

    public void write(char b)

#### write

    public void write(int b)

#### write

    public final void write(char[] b)

#### write

    public void write(char[] b,
                      int off,
                      int len)

#### write

    public final void write(OpenStringBuilder arr)

#### write

    public void write(String s)

#### flush

    public void flush()

#### reset

    public final void reset()

#### toCharArray

    public char[] toCharArray()

#### toString

    public String toString()

Specified by:
  `toString` in interface `CharSequence`
Overrides:
  `toString` in class `Object`