java.lang.Object
- com.caucho.hessian.io.AbstractHessianInput
- - com.caucho.hessian.io.HessianInput

public class HessianInput
extends AbstractHessianInput

Input stream for Hessian requests.

HessianInput is unbuffered, so any client needs to provide its own buffering.

 InputStream is = ...; // from http connection
 HessianInput in = new HessianInput(is);
 String value;

 in.startReply();         // read reply header
 value = in.readString(); // read string value
 in.completeReply();      // read reply footer

Field Summary

Fields
Modifier and Type Field Description

protected int _peek

protected ArrayList _refs

protected SerializerFactory _serializerFactory

Constructor Summary

Constructors
Constructor	Description
`HessianInput()`	Creates an uninitialized Hessian input stream.
`HessianInput(InputStream is)`	Creates a new Hessian input stream, initialized with an underlying input stream.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`addRef(Object ref)`	Adds a list/map reference.
`void`	`close()`
`protected String`	`codeName(int ch)`
`void`	`completeCall()`	Completes reading the call
`void`	`completeReply()`	Completes reading the call
`void`	`completeValueReply()`	Completes reading the call
`protected IOException`	`error(String message)`
`protected IOException`	`expect(String expect, int ch)`
`String`	`getMethod()`	Returns the calls method
`Reader`	`getReader()`	Starts reading a string.
`Throwable`	`getReplyFault()`	Returns any reply fault.
`SerializerFactory`	`getSerializerFactory()`	Gets the serializer factory.
`void`	`init(InputStream is)`	Initialize the hessian stream with the underlying input stream.
`boolean`	`isEnd()`	Returns true if this is the end of a list or a map.
`boolean`	`readBoolean()`	Reads a boolean
`int`	`readByte()`	Reads a byte from the stream.
`byte[]`	`readBytes()`	Reads a byte array
`int`	`readBytes(byte[] buffer, int offset, int length)`	Reads a byte array from the stream.
`int`	`readCall()`	Starts reading the call
`int`	`readChar()`	Reads a byte from the stream.
`double`	`readDouble()`	Reads a double
`void`	`readEnd()`	Reads the end byte.
`float`	`readFloat()`	Reads a float
`String`	`readHeader()`	Reads a header, returning null if there are no headers.
`InputStream`	`readInputStream()`	Reads bytes based on an input stream.
`int`	`readInt()`	Reads an integer
`int`	`readLength()`	Parses the length for an array
`void`	`readListEnd()`	Reads the end byte.
`int`	`readListStart()`	Reads the start of a list.
`long`	`readLong()`	Reads a long
`void`	`readMapEnd()`	Reads the end byte.
`int`	`readMapStart()`	Reads the start of a list.
`String`	`readMethod()`	Starts reading the call
`Node`	`readNode()`	Reads an XML node.
`void`	`readNull()`	Reads a null
`Object`	`readObject()`	Reads an arbitrary object from the input stream when the type is unknown.
`Object`	`readObject(Class cl)`	Reads an object from the input stream with an expected type.
`Object`	`readRef()`	Reads a reference.
`Object`	`readRemote()`	Reads a remote object.
`Object`	`readReply(Class expectedClass)`	Reads a reply as an object.
`short`	`readShort()`	Reads a short
`String`	`readString()`	Reads a string
`int`	`readString(char[] buffer, int offset, int length)`	Reads a byte array from the stream.
`String`	`readType()`	Parses a type from the stream.
`long`	`readUTCDate()`	Reads a date.
`void`	`resetReferences()`	Resets the references for streaming.
`Object`	`resolveRemote(String type, String url)`	Resolves a remote object.
`void`	`setRef(int i, Object ref)`	Adds a list/map reference.
`void`	`setSerializerFactory(SerializerFactory factory)`	Sets the serializer factory.
`void`	`skipOptionalCall()`	For backward compatibility with HessianSkeleton
`void`	`startCall()`	Starts reading the call, including the headers.
`void`	`startReply()`	Starts reading the reply
`void`	`startReplyBody()`	Starts reading the body of the reply, i.e.

Methods inherited from class com.caucho.hessian.io.AbstractHessianInput
getRemoteResolver, readMethodArgLength, readToOutputStream, setRemoteResolver

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

- Field Detail
  - _serializerFactory
```
protected SerializerFactory _serializerFactory
```
  - _refs
```
protected ArrayList _refs
```
  - _peek
```
protected int _peek
```
- Constructor Detail
  - HessianInput
```
public HessianInput()
```
    Creates an uninitialized Hessian input stream.
  - HessianInput
```
public HessianInput(InputStream is)
```
    Creates a new Hessian input stream, initialized with an underlying input stream.
    
    Parameters:
    
    is - the underlying input stream.
- Method Detail
  - setSerializerFactory
```
public void setSerializerFactory(SerializerFactory factory)
```
    Sets the serializer factory.
    
    Overrides:
    
    setSerializerFactory in class AbstractHessianInput
  - getSerializerFactory
```
public SerializerFactory getSerializerFactory()
```
    Gets the serializer factory.
  - init
```
public void init(InputStream is)
```
    Initialize the hessian stream with the underlying input stream.
    
    Overrides:
    
    init in class AbstractHessianInput
  - getMethod
```
public String getMethod()
```
    Returns the calls method
    
    Specified by:
    
    getMethod in class AbstractHessianInput
  - getReplyFault
```
public Throwable getReplyFault()
```
    Returns any reply fault.
  - readCall
```
public int readCall()
             throws IOException
```
    Starts reading the call
    c major minor
    Specified by:
    
    readCall in class AbstractHessianInput
    
    Throws:
    
    IOException
  - skipOptionalCall
```
public void skipOptionalCall()
                      throws IOException
```
    For backward compatibility with HessianSkeleton
    
    Overrides:
    
    skipOptionalCall in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readMethod
```
public String readMethod()
                  throws IOException
```
    Starts reading the call
    A successful completion will have a single value:
    m b16 b8 method
    Specified by:
    
    readMethod in class AbstractHessianInput
    
    Throws:
    
    IOException
  - startCall
```
public void startCall()
               throws IOException
```
    Starts reading the call, including the headers.
    The call expects the following protocol data
    c major minor m b16 b8 method
    Specified by:
    
    startCall in class AbstractHessianInput
    
    Throws:
    
    IOException
  - completeCall
```
public void completeCall()
                  throws IOException
```
    Completes reading the call
    A successful completion will have a single value:
    z
    Specified by:
    
    completeCall in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readReply
```
public Object readReply(Class expectedClass)
                 throws Throwable
```
    Reads a reply as an object. If the reply has a fault, throws the exception.
    
    Specified by:
    
    readReply in class AbstractHessianInput
    
    Throws:
    
    Throwable
  - startReply
```
public void startReply()
                throws Throwable
```
    Starts reading the reply
    A successful completion will have a single value:
    r
    Specified by:
    
    startReply in class AbstractHessianInput
    
    Throws:
    
    Throwable
  - startReplyBody
```
public void startReplyBody()
                    throws Throwable
```
    Description copied from class: AbstractHessianInput
    
    Starts reading the body of the reply, i.e. after the 'r' has been parsed.
    
    Overrides:
    
    startReplyBody in class AbstractHessianInput
    
    Throws:
    
    Throwable
  - completeReply
```
public void completeReply()
                   throws IOException
```
    Completes reading the call
    A successful completion will have a single value:
    z
    Specified by:
    
    completeReply in class AbstractHessianInput
    
    Throws:
    
    IOException
  - completeValueReply
```
public void completeValueReply()
                        throws IOException
```
    Completes reading the call
    A successful completion will have a single value:
    z
    Throws:
    
    IOException
  - readHeader
```
public String readHeader()
                  throws IOException
```
    Reads a header, returning null if there are no headers.
    H b16 b8 value
    Specified by:
    
    readHeader in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readNull
```
public void readNull()
              throws IOException
```
    Reads a null
    N
    Specified by:
    
    readNull in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readBoolean
```
public boolean readBoolean()
                    throws IOException
```
    Reads a boolean
    T F
    Specified by:
    
    readBoolean in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readShort
```
public short readShort()
                throws IOException
```
    Reads a short
    I b32 b24 b16 b8
    Throws:
    
    IOException
  - readInt
```
public int readInt()
            throws IOException
```
    Reads an integer
    I b32 b24 b16 b8
    Specified by:
    
    readInt in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readLong
```
public long readLong()
              throws IOException
```
    Reads a long
    L b64 b56 b48 b40 b32 b24 b16 b8
    Specified by:
    
    readLong in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readFloat
```
public float readFloat()
                throws IOException
```
    Reads a float
    D b64 b56 b48 b40 b32 b24 b16 b8
    Throws:
    
    IOException
  - readDouble
```
public double readDouble()
                  throws IOException
```
    Reads a double
    D b64 b56 b48 b40 b32 b24 b16 b8
    Specified by:
    
    readDouble in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readUTCDate
```
public long readUTCDate()
                 throws IOException
```
    Reads a date.
    T b64 b56 b48 b40 b32 b24 b16 b8
    Specified by:
    
    readUTCDate in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readChar
```
public int readChar()
             throws IOException
```
    Reads a byte from the stream.
    
    Throws:
    
    IOException
  - readString
```
public int readString(char[] buffer,
                      int offset,
                      int length)
               throws IOException
```
    Reads a byte array from the stream.
    
    Throws:
    
    IOException
  - readString
```
public String readString()
                  throws IOException
```
    Reads a string
    S b16 b8 string value
    Specified by:
    
    readString in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readNode
```
public Node readNode()
              throws IOException
```
    Reads an XML node.
    S b16 b8 string value
    Overrides:
    
    readNode in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readBytes
```
public byte[] readBytes()
                 throws IOException
```
    Reads a byte array
    B b16 b8 data value
    Specified by:
    
    readBytes in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readByte
```
public int readByte()
             throws IOException
```
    Reads a byte from the stream.
    
    Throws:
    
    IOException
  - readBytes
```
public int readBytes(byte[] buffer,
                     int offset,
                     int length)
              throws IOException
```
    Reads a byte array from the stream.
    
    Throws:
    
    IOException
  - readObject
```
public Object readObject(Class cl)
                  throws IOException
```
    Reads an object from the input stream with an expected type.
    
    Specified by:
    
    readObject in class AbstractHessianInput
    
    Parameters:
    
    cl - the expected class if the protocol doesn't supply it.
    
    Throws:
    
    IOException
  - readObject
```
public Object readObject()
                  throws IOException
```
    Reads an arbitrary object from the input stream when the type is unknown.
    
    Specified by:
    
    readObject in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readRemote
```
public Object readRemote()
                  throws IOException
```
    Reads a remote object.
    
    Specified by:
    
    readRemote in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readRef
```
public Object readRef()
               throws IOException
```
    Reads a reference.
    
    Specified by:
    
    readRef in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readListStart
```
public int readListStart()
                  throws IOException
```
    Reads the start of a list.
    
    Specified by:
    
    readListStart in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readMapStart
```
public int readMapStart()
                 throws IOException
```
    Reads the start of a list.
    
    Specified by:
    
    readMapStart in class AbstractHessianInput
    
    Throws:
    
    IOException
  - isEnd
```
public boolean isEnd()
              throws IOException
```
    Returns true if this is the end of a list or a map.
    
    Specified by:
    
    isEnd in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readEnd
```
public void readEnd()
             throws IOException
```
    Reads the end byte.
    
    Specified by:
    
    readEnd in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readMapEnd
```
public void readMapEnd()
                throws IOException
```
    Reads the end byte.
    
    Specified by:
    
    readMapEnd in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readListEnd
```
public void readListEnd()
                 throws IOException
```
    Reads the end byte.
    
    Specified by:
    
    readListEnd in class AbstractHessianInput
    
    Throws:
    
    IOException
  - addRef
```
public int addRef(Object ref)
```
    Adds a list/map reference.
    
    Specified by:
    
    addRef in class AbstractHessianInput
  - setRef
```
public void setRef(int i,
                   Object ref)
```
    Adds a list/map reference.
    
    Specified by:
    
    setRef in class AbstractHessianInput
  - resetReferences
```
public void resetReferences()
```
    Resets the references for streaming.
    
    Overrides:
    
    resetReferences in class AbstractHessianInput
  - resolveRemote
```
public Object resolveRemote(String type,
                            String url)
                     throws IOException
```
    Resolves a remote object.
    
    Throws:
    
    IOException
  - readType
```
public String readType()
                throws IOException
```
    Parses a type from the stream.
    t b16 b8
    Specified by:
    
    readType in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readLength
```
public int readLength()
               throws IOException
```
    Parses the length for an array
    l b32 b24 b16 b8
    Specified by:
    
    readLength in class AbstractHessianInput
    
    Throws:
    
    IOException
  - readInputStream
```
public InputStream readInputStream()
                            throws IOException
```
    Reads bytes based on an input stream.
    
    Specified by:
    
    readInputStream in class AbstractHessianInput
    
    Throws:
    
    IOException
  - close
```
public void close()
```
    Overrides:
    
    close in class AbstractHessianInput
  - getReader
```
public Reader getReader()
```
    Description copied from class: AbstractHessianInput
    Starts reading a string. All the characters must be read before calling the next method. The actual characters will be read with the reader's read() or read(char [], int, int).
    s b16 b8 non-final string chunk S b16 b8 final string chunk
    Specified by:
    
    getReader in class AbstractHessianInput
  - expect
```
protected IOException expect(String expect,
                             int ch)
```
  - codeName
```
protected String codeName(int ch)
```
  - error
```
protected IOException error(String message)
```

Modifier and Type	Field	Description
`protected int`	`_peek`
`protected ArrayList`	`_refs`
`protected SerializerFactory`	`_serializerFactory`

Class HessianInput

Field Summary

Constructor Summary

Method Summary

Methods inherited from class com.caucho.hessian.io.AbstractHessianInput

Methods inherited from class java.lang.Object

Field Detail

_serializerFactory

_refs

_peek

Constructor Detail

HessianInput

HessianInput

Method Detail

setSerializerFactory

getSerializerFactory

init

getMethod

getReplyFault

readCall

skipOptionalCall

readMethod

startCall

completeCall

readReply

startReply

startReplyBody

completeReply

completeValueReply

readHeader

readNull

readBoolean

readShort

readInt

readLong

readFloat

readDouble

readUTCDate

readChar

readString

readString

readNode

readBytes

readByte

readBytes

readObject

readObject

readRemote

readRef

readListStart

readMapStart

isEnd

readEnd

readMapEnd

readListEnd

addRef

setRef

resetReferences

resolveRemote

readType

readLength

readInputStream

close

getReader

expect

codeName

error