CountingReaderInputStream

java.lang.Object
- java.io.InputStream
- - org.h2.store.CountingReaderInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable
```
public class CountingReaderInputStream
extends java.io.InputStream
```
An input stream that reads the data from a reader and limits the number of bytes that can be read.

Field Summary

Fields
Modifier and Type	Field	Description
`private java.nio.ByteBuffer`	`byteBuffer`
`private java.nio.CharBuffer`	`charBuffer`
`private java.nio.charset.CharsetEncoder`	`encoder`
`private long`	`length`
`private java.io.Reader`	`reader`
`private long`	`remaining`

Constructor Summary

Constructors
Constructor Description

CountingReaderInputStream(java.io.Reader reader, long maxLength)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`private boolean`	`fetch()`
`private void`	`fillBuffer()`
`long`	`getLength()`	The number of characters read so far (but there might still be some bytes in the buffer).
`int`	`read()`
`int`	`read(byte[] buff, int offset, int len)`

Methods inherited from class java.io.InputStream
available, mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skip, transferTo

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

reader
```
private final java.io.Reader reader
```

charBuffer

private final java.nio.CharBuffer charBuffer

encoder

private final java.nio.charset.CharsetEncoder encoder

byteBuffer
```
private java.nio.ByteBuffer byteBuffer
```

length
```
private long length
```

remaining
```
private long remaining
```

Constructor Detail

CountingReaderInputStream

public CountingReaderInputStream(java.io.Reader reader,
                                 long maxLength)

Method Detail
- read
```
public int read(byte[] buff,
                int offset,
                int len)
         throws java.io.IOException
```
  Overrides:
  
  read in class java.io.InputStream
  
  Throws:
  
  java.io.IOException
- read
```
public int read()
         throws java.io.IOException
```
  Specified by:
  
  read in class java.io.InputStream
  
  Throws:
  
  java.io.IOException
- fetch
```
private boolean fetch()
               throws java.io.IOException
```
  Throws:
  
  java.io.IOException
- fillBuffer
```
private void fillBuffer()
                 throws java.io.IOException
```
  Throws:
  
  java.io.IOException
- getLength
```
public long getLength()
```
  The number of characters read so far (but there might still be some bytes in the buffer).
  
  Returns:
  
  the number of characters
- close
```
public void close()
           throws java.io.IOException
```
  Specified by:
  
  close in interface java.lang.AutoCloseable
  
  Specified by:
  
  close in interface java.io.Closeable
  
  Overrides:
  
  close in class java.io.InputStream
  
  Throws:
  
  java.io.IOException