org.objectweb.jac.aspects.gui.web
Class AbstractJacRequest

java.lang.Object
  |
  +--org.objectweb.jac.aspects.gui.web.AbstractJacRequest

All Implemented Interfaces:

JacRequest

Direct Known Subclasses:

MultiMapJacRequest, MultiPartJacRequest

public abstract class AbstractJacRequest

extends Object

implements JacRequest

This class represents a multi-part HttpRequest.

Field Summary

protected static long	DEFAULT_REQUEST_TIMEOUT
protected Semaphore	semaphore The semaphore that blocks the requesting thread until the response is available.

Constructor Summary

AbstractJacRequest(HttpServletRequest servletRequest)

Method Summary

String	getHeader(String name) Gets the value of a header.
abstract Object	getParameter(String name) Returns a parameter.
String	getUserAgent() Returns the user agent of this request
boolean	isIEUserAgent() Tells if the user agent of the request is Internet Explorer
void	setParent(JacRequest parent)
void	setResponse() Unblock a thread that was blocked by a waitForResult call.
boolean	userAgentMatch(String s) Tells if the user agent contains a given string
boolean	waitForResponse() Makes the current requesting thread block and wait until the response is available.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.objectweb.jac.aspects.gui.web.JacRequest

contains, getParameters

Field Detail

semaphore

protected transient Semaphore semaphore

The semaphore that blocks the requesting thread until the response is available.

DEFAULT_REQUEST_TIMEOUT

protected static final long DEFAULT_REQUEST_TIMEOUT

See Also:

Constant Field Values

Constructor Detail

AbstractJacRequest

public AbstractJacRequest(HttpServletRequest servletRequest)

Method Detail

getParameter

public abstract Object getParameter(String name)

Description copied from interface: JacRequest

Returns a parameter. The result can be a String or a FileParameter object.

Specified by:

getParameter in interface JacRequest

Parameters:

name - the name of the parameter

Returns:

the value of the parameter (a String a or FileParameter) if the parameter exists in the request, null otherwise.

isIEUserAgent

public boolean isIEUserAgent()

Description copied from interface: JacRequest

Tells if the user agent of the request is Internet Explorer

Specified by:

isIEUserAgent in interface JacRequest

Returns:

true if the user agent is Internet Explorer, false otherwise

See Also:

JacRequest.userAgentMatch(String)

getUserAgent

public String getUserAgent()

Description copied from interface: JacRequest

Returns the user agent of this request

Specified by:

getUserAgent in interface JacRequest

Returns:

the user agent of this request

userAgentMatch

public boolean userAgentMatch(String s)

Description copied from interface: JacRequest

Tells if the user agent contains a given string

Specified by:

userAgentMatch in interface JacRequest

Parameters:

s - string to be searched in user agent

Returns:

true if the user agent is Internet Explorer, false otherwise

getHeader

public String getHeader(String name)

Description copied from interface: JacRequest

Gets the value of a header.

Specified by:

getHeader in interface JacRequest

Parameters:

name - name of the header

Returns:

the value of the header

setParent

public void setParent(JacRequest parent)

waitForResponse

public boolean waitForResponse()

Description copied from interface: JacRequest

Makes the current requesting thread block and wait until the response is available.

The thread that call this method waits until a call to setResponse occurs or a timeout occurs.

Specified by:

waitForResponse in interface JacRequest

Returns:

false if a timeout occured, true otherwise.

See Also:

JacRequest.setResponse()

setResponse

public void setResponse()

Description copied from interface: JacRequest

Unblock a thread that was blocked by a waitForResult call.

Specified by:

setResponse in interface JacRequest

See Also:

JacRequest.waitForResponse()