org.tranche.httpd
Class AbstractHttpHandler

java.lang.Object
  org.tranche.httpd.AbstractHttpHandler

All Implemented Interfaces:

IFileResources, IHttpHandler

Direct Known Subclasses:

GetHandler

public abstract class AbstractHttpHandler
extends java.lang.Object
implements IHttpHandler, IFileResources

Abstract class for handling HTTP requests. All classes handling a specific HTTP requests e.g. GET, will derive from this class.

Author:

Takis Papoulias

Field Summary

static boolean	DEBUG Debug flag reserved for midium level of stdout vebrocity.
static boolean	DEBUG_VERBOSE Debug flag reserver for a higher level of stdout vebrocity.
static boolean	ECHO Flag for debugging an input stream.
protected java.lang.String	httpVersion
protected java.io.BufferedReader	is
protected java.io.PrintStream	os
protected java.util.HashMap<java.lang.String,java.lang.String>	pvMap
static int	READ_AHEAD Size to be used in marking an input stream.
protected java.lang.String	requestCode
protected java.lang.String	requestName

Fields inherited from interface org.tranche.httpd.IFileResources

HTTP_PAGE_DIRECTORY, HTTP_PROPERTIES_DIRECTORY, HTTP_RESPONSE_MESSAGES_PROP_FILE, LOCALE

Constructor Summary

AbstractHttpHandler()

Method Summary

protected void	send(HttpConstant contentType, byte[] content)
protected void	sendError(HttpConstant errorNumber, java.lang.String errorDetails) Helper method for sending an error message for the specified locale.
void	setHeaderPV(java.util.HashMap<java.lang.String,java.lang.String> paramValMap) Setter method for the param value pair send by the browser.
void	setHttpVersion(java.lang.String ver) The browsers http version
void	setIn(java.io.BufferedReader br) Setter method for the input stream to the browser.
void	setOut(java.io.PrintStream os) Setter method for the output stream to the browser.
void	setRequestCode(java.lang.String rc) The request code send by the browser.
void	setRequestName(java.lang.String rn) The request name send by the browser

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.tranche.httpd.IHttpHandler

handle

Field Detail

is

protected java.io.BufferedReader is

os

protected java.io.PrintStream os

pvMap

protected java.util.HashMap<java.lang.String,java.lang.String> pvMap

requestCode

protected java.lang.String requestCode

requestName

protected java.lang.String requestName

httpVersion

protected java.lang.String httpVersion

DEBUG

public static final boolean DEBUG

Debug flag reserved for midium level of stdout vebrocity.

See Also:

Constant Field Values

DEBUG_VERBOSE

public static final boolean DEBUG_VERBOSE

Debug flag reserver for a higher level of stdout vebrocity.

See Also:

Constant Field Values

ECHO

public static final boolean ECHO

Flag for debugging an input stream. Usually used to activate a block of code that marks an input stream.

See Also:

Constant Field Values

READ_AHEAD

public static final int READ_AHEAD

Size to be used in marking an input stream.

See Also:

Constant Field Values

Constructor Detail

AbstractHttpHandler

public AbstractHttpHandler()

Method Detail

sendError

protected void sendError(HttpConstant errorNumber,
                         java.lang.String errorDetails)
                  throws java.io.IOException

Helper method for sending an error message for the specified locale.

Parameters:

errorNumber -

errorDetails -

Throws:

java.io.IOException

send

protected void send(HttpConstant contentType,
                    byte[] content)
             throws java.io.IOException

Parameters:

contentType -

content -

Throws:

java.io.IOException

setOut

public void setOut(java.io.PrintStream os)

Setter method for the output stream to the browser.

Specified by:

setOut in interface IHttpHandler

Parameters:

os -

setIn

public void setIn(java.io.BufferedReader br)

Setter method for the input stream to the browser.

Specified by:

setIn in interface IHttpHandler

Parameters:

br -

setHeaderPV

public void setHeaderPV(java.util.HashMap<java.lang.String,java.lang.String> paramValMap)

Setter method for the param value pair send by the browser.

Specified by:

setHeaderPV in interface IHttpHandler

Parameters:

paramValMap - Map containing the param value pair

setRequestCode

public void setRequestCode(java.lang.String rc)

The request code send by the browser.

Specified by:

setRequestCode in interface IHttpHandler

Parameters:

rc - The request code

setRequestName

public void setRequestName(java.lang.String rn)

The request name send by the browser

Specified by:

setRequestName in interface IHttpHandler

Parameters:

rn - The request name

setHttpVersion

public void setHttpVersion(java.lang.String ver)

The browsers http version

Specified by:

setHttpVersion in interface IHttpHandler

Parameters:

ver - The http version