I2NPMessageHandler (Javadocs [I2P+ 2.13.0+]

java.lang.Object
- net.i2p.data.i2np.I2NPMessageHandler

```
public class I2NPMessageHandler
extends Object
```
Handle messages from router to router. This class is NOT threadsafe

Constructor Summary
Constructors
Constructor and Description
I2NPMessageHandler(I2PAppContext context)
Message handler for reading and writing I2NP messages.

Constructors
Constructor and Description
`I2NPMessageHandler(I2PAppContext context)` Message handler for reading and writing I2NP messages.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`I2NPMessage`	`lastRead()` Clear the last message read from a byte array with an offset.
`I2NPMessage`	`readMessage(byte[] data)` Read an I2NPMessage from the byte array and return the fully populated object.
`int`	`readMessage(byte[] data, int offset)` Result is retreived with lastRead()
`int`	`readMessage(byte[] data, int offset, int maxLen)` Limit the max to read from the data buffer, so that we can use a large buffer but prevent the reader from reading off the end.

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

- Constructor Detail
  - I2NPMessageHandler
```
public I2NPMessageHandler(I2PAppContext context)
```
    Message handler for reading and writing I2NP messages.
- Method Detail
  - lastRead
```
public I2NPMessage lastRead()
```
    Clear the last message read from a byte array with an offset.
  - readMessage
```
public I2NPMessage readMessage(byte[] data)
                        throws I2NPMessageException
```
    Read an I2NPMessage from the byte array and return the fully populated object.
    Parameters:
    data - the data
    Returns:
    the result
    Throws:
    I2NPMessageException - if there is a problem handling the particular message - if it is an unknown type or has improper formatting, etc.
  - readMessage
```
public int readMessage(byte[] data,
                       int offset)
                throws I2NPMessageException
```
    Result is retreived with lastRead()
    Parameters:
    data - the data
    offset - the offset
    Returns:
    the result
    Throws:
    I2NPMessageException - on error
  - readMessage
```
public int readMessage(byte[] data,
                       int offset,
                       int maxLen)
                throws I2NPMessageException
```
    Limit the max to read from the data buffer, so that we can use a large buffer but prevent the reader from reading off the end. Result is retreived with lastRead()
    Parameters:
    data - the data
    offset - the offset
    maxLen - read no more than this many bytes from data starting at offset, even if it is longer must be at least 16
    Returns:
    the result
    Throws:
    I2NPMessageException - on error

Class I2NPMessageHandler

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

I2NPMessageHandler

Method Detail

lastRead

readMessage

readMessage

readMessage