Package org.apache.catalina.connector
Class Response
- java.lang.Object
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- org.apache.catalina.connector.Response
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- All Implemented Interfaces:
HttpServletResponse,ServletResponse
public class Response extends java.lang.Object implements HttpServletResponse
Wrapper object for the Coyote response.- Author:
- Remy Maucherat, Craig R. McClanahan
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Field Summary
Fields Modifier and Type Field Description protected booleanappCommittedThe application commit flag.protected ResponsecoyoteResponseCoyote response.protected ResponseFacadefacadeThe facade associated with this response.protected java.text.SimpleDateFormatformatDeprecated.Unused.protected booleanincludedThe included flag.protected OutputBufferoutputBufferThe associated output buffer.protected CoyoteOutputStreamoutputStreamThe associated output stream.protected CharChunkredirectURLCCRecyclable buffer to hold the redirect URL.protected RequestrequestThe request with which this response is associated.protected static StringManagersmprotected UEncoderurlEncoderURL encoder.protected booleanusingOutputStreamUsing output stream flag.protected booleanusingWriterUsing writer flag.protected CoyoteWriterwriterThe associated writer.-
Fields inherited from interface javax.servlet.http.HttpServletResponse
SC_ACCEPTED, SC_BAD_GATEWAY, SC_BAD_REQUEST, SC_CONFLICT, SC_CONTINUE, SC_CREATED, SC_EXPECTATION_FAILED, SC_FORBIDDEN, SC_FOUND, SC_GATEWAY_TIMEOUT, SC_GONE, SC_HTTP_VERSION_NOT_SUPPORTED, SC_INTERNAL_SERVER_ERROR, SC_LENGTH_REQUIRED, SC_METHOD_NOT_ALLOWED, SC_MOVED_PERMANENTLY, SC_MOVED_TEMPORARILY, SC_MULTIPLE_CHOICES, SC_NO_CONTENT, SC_NON_AUTHORITATIVE_INFORMATION, SC_NOT_ACCEPTABLE, SC_NOT_FOUND, SC_NOT_IMPLEMENTED, SC_NOT_MODIFIED, SC_OK, SC_PARTIAL_CONTENT, SC_PAYMENT_REQUIRED, SC_PRECONDITION_FAILED, SC_PROXY_AUTHENTICATION_REQUIRED, SC_REQUEST_ENTITY_TOO_LARGE, SC_REQUEST_TIMEOUT, SC_REQUEST_URI_TOO_LONG, SC_REQUESTED_RANGE_NOT_SATISFIABLE, SC_RESET_CONTENT, SC_SEE_OTHER, SC_SERVICE_UNAVAILABLE, SC_SWITCHING_PROTOCOLS, SC_TEMPORARY_REDIRECT, SC_UNAUTHORIZED, SC_UNSUPPORTED_MEDIA_TYPE, SC_USE_PROXY
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Constructor Summary
Constructors Constructor Description Response()
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description voidaddCookie(Cookie cookie)Add the specified Cookie to those that will be included with this Response.voidaddDateHeader(java.lang.String name, long value)Add the specified date header to the specified value.voidaddHeader(java.lang.String name, java.lang.String value)Add the specified header to the specified value.voidaddIntHeader(java.lang.String name, int value)Add the specified integer header to the specified value.voidaddSessionCookieInternal(Cookie cookie)Special method for adding a session cookie as we should be overriding any previous.booleancontainsHeader(java.lang.String name)Has the specified header been set already in this response?java.lang.StringencodeRedirectUrl(java.lang.String url)Deprecated.As of Version 2.1 of the Java Servlet API, useencodeRedirectURL()instead.java.lang.StringencodeRedirectURL(java.lang.String url)Encode the session identifier associated with this response into the specified redirect URL, if necessary.java.lang.StringencodeUrl(java.lang.String url)Deprecated.As of Version 2.1 of the Java Servlet API, useencodeURL()instead.java.lang.StringencodeURL(java.lang.String url)Encode the session identifier associated with this response into the specified URL, if necessary.voidfinishResponse()Perform whatever actions are required to flush and close the output stream or writer, in a single operation.voidflushBuffer()Flush the buffer and commit this response.java.lang.StringgenerateCookieString(Cookie cookie)intgetBufferSize()Returns the actual buffer size used for the response.longgetBytesWritten(boolean flush)java.lang.StringgetCharacterEncoding()Returns the name of the character encoding (MIME charset) used for the body sent in this response.intgetContentLength()java.lang.StringgetContentType()Returns the content type used for the MIME body sent in this response.longgetContentWritten()ContextgetContext()java.util.List<Cookie>getCookies()ResponsegetCoyoteResponse()java.lang.StringgetHeader(java.lang.String name)Return the value for the specified header, ornullif this header has not been set.java.util.Collection<java.lang.String>getHeaderNames()Get the header names set for this HTTP response.java.util.Collection<java.lang.String>getHeaders(java.lang.String name)Return a Collection of all the header values associated with the specified header name.java.util.LocalegetLocale()Returns the locale specified for this response using theServletResponse.setLocale(java.util.Locale)method.java.lang.StringgetMessage()ServletOutputStreamgetOutputStream()Returns aServletOutputStreamsuitable for writing binary data in the response.java.io.PrintWritergetReporter()Return a PrintWriter that can be used to render error messages, regardless of whether a stream or writer has already been acquired.RequestgetRequest()HttpServletResponsegetResponse()intgetStatus()Get the HTTP status code for this Response.java.io.PrintWritergetWriter()Returns aPrintWriterobject that can send character text to the client.booleanisAppCommitted()Application commit flag accessor.booleanisClosed()Closed flag accessor.booleanisCommitted()Has the output of this response already been committed?protected booleanisEncodeable(java.lang.String location)Returntrueif the specified URL should be encoded with a session identifier.booleanisError()Error flag accessor.booleanisErrorReportRequired()booleanisSuspended()Suspended flag accessor.voidrecycle()Release all object references, and initialize instance variables, in preparation for reuse of this object.voidreset()Clear any content written to the buffer.voidresetBuffer()Reset the data buffer but not any status or header information.voidresetBuffer(boolean resetWriterStreamFlags)Reset the data buffer and the using Writer/Stream flags but not any status or header information.voidsendAcknowledgement()Deprecated.Unused.voidsendAcknowledgement(ContinueResponseTiming continueResponseTiming)Send an acknowledgement of a request.voidsendError(int status)Send an error response with the specified status and a default message.voidsendError(int status, java.lang.String message)Send an error response with the specified status and message.voidsendRedirect(java.lang.String location)Send a temporary redirect to the specified redirect location URL.voidsendRedirect(java.lang.String location, int status)Internal method that allows a redirect to be sent with a status other thanHttpServletResponse.SC_FOUND(302).voidsetAppCommitted(boolean appCommitted)Set the application commit flag.voidsetBufferSize(int size)Set the buffer size to be used for this Response.voidsetCharacterEncoding(java.lang.String charset)Overrides the name of the character encoding used in the body of the request.voidsetConnector(Connector connector)Set the Connector through which this Request was received.voidsetContentLength(int length)Set the content length (in bytes) for this Response.voidsetContentLengthLong(long length)Sets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.voidsetContentType(java.lang.String type)Set the content type for this Response.voidsetCoyoteResponse(Response coyoteResponse)Set the Coyote response.voidsetDateHeader(java.lang.String name, long value)Set the specified date header to the specified value.booleansetError()Set the error flag.booleansetErrorReported()voidsetHeader(java.lang.String name, java.lang.String value)Set the specified header to the specified value.voidsetIntHeader(java.lang.String name, int value)Set the specified integer header to the specified value.voidsetLocale(java.util.Locale locale)Set the Locale that is appropriate for this response, including setting the appropriate character encoding.voidsetRequest(Request request)Set the Request with which this Response is associated.voidsetResponse(HttpServletResponse applicationResponse)Set a wrapped HttpServletResponse to pass to the application.voidsetStatus(int status)Set the HTTP status to be returned with this response.voidsetStatus(int status, java.lang.String message)Deprecated.As of Version 2.1 of the Java Servlet API, this method has been deprecated due to the ambiguous meaning of the message parameter.voidsetSuspended(boolean suspended)Set the suspended flag.protected java.lang.StringtoAbsolute(java.lang.String location)Convert (if necessary) and return the absolute URL that represents the resource referenced by this possibly relative URL.protected java.lang.StringtoEncoded(java.lang.String url, java.lang.String sessionId)Return the specified URL with the specified session identifier suitably encoded.
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Field Detail
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sm
protected static final StringManager sm
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format
@Deprecated protected java.text.SimpleDateFormat format
Deprecated.Unused. This will be removed in Tomcat 10The date format we will use for creating date headers.
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coyoteResponse
protected Response coyoteResponse
Coyote response.
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outputBuffer
protected OutputBuffer outputBuffer
The associated output buffer.
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outputStream
protected CoyoteOutputStream outputStream
The associated output stream.
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writer
protected CoyoteWriter writer
The associated writer.
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appCommitted
protected boolean appCommitted
The application commit flag.
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included
protected boolean included
The included flag.
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usingOutputStream
protected boolean usingOutputStream
Using output stream flag.
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usingWriter
protected boolean usingWriter
Using writer flag.
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urlEncoder
protected final UEncoder urlEncoder
URL encoder.
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redirectURLCC
protected final CharChunk redirectURLCC
Recyclable buffer to hold the redirect URL.
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request
protected Request request
The request with which this response is associated.
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facade
protected ResponseFacade facade
The facade associated with this response.
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Method Detail
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setConnector
public void setConnector(Connector connector)
Set the Connector through which this Request was received.- Parameters:
connector- The new connector
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setCoyoteResponse
public void setCoyoteResponse(Response coyoteResponse)
Set the Coyote response.- Parameters:
coyoteResponse- The Coyote response
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getCoyoteResponse
public Response getCoyoteResponse()
- Returns:
- the Coyote response.
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getContext
public Context getContext()
- Returns:
- the Context within which this Request is being processed.
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recycle
public void recycle()
Release all object references, and initialize instance variables, in preparation for reuse of this object.
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getCookies
public java.util.List<Cookie> getCookies()
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getContentWritten
public long getContentWritten()
- Returns:
- the number of bytes the application has actually written to the output stream. This excludes chunking, compression, etc. as well as headers.
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getBytesWritten
public long getBytesWritten(boolean flush)
- Parameters:
flush- iftruewill perform a buffer flush first- Returns:
- the number of bytes the actually written to the socket. This includes chunking, compression, etc. but excludes headers.
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setAppCommitted
public void setAppCommitted(boolean appCommitted)
Set the application commit flag.- Parameters:
appCommitted- The new application committed flag value
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isAppCommitted
public boolean isAppCommitted()
Application commit flag accessor.- Returns:
trueif the application has committed the response
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getRequest
public Request getRequest()
- Returns:
- the Request with which this Response is associated.
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setRequest
public void setRequest(Request request)
Set the Request with which this Response is associated.- Parameters:
request- The new associated request
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getResponse
public HttpServletResponse getResponse()
- Returns:
- the
ServletResponsefor which this object is the facade.
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setResponse
public void setResponse(HttpServletResponse applicationResponse)
Set a wrapped HttpServletResponse to pass to the application. Components wishing to wrap the response should obtain the response viagetResponse(), wrap it and then call this method with the wrapped response.- Parameters:
applicationResponse- The wrapped response to pass to the application
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setSuspended
public void setSuspended(boolean suspended)
Set the suspended flag.- Parameters:
suspended- The new suspended flag value
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isSuspended
public boolean isSuspended()
Suspended flag accessor.- Returns:
trueif the response is suspended
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isClosed
public boolean isClosed()
Closed flag accessor.- Returns:
trueif the response has been closed
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setError
public boolean setError()
Set the error flag.- Returns:
falseif the error flag was already set
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isError
public boolean isError()
Error flag accessor.- Returns:
trueif the response has encountered an error
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isErrorReportRequired
public boolean isErrorReportRequired()
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setErrorReported
public boolean setErrorReported()
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finishResponse
public void finishResponse() throws java.io.IOExceptionPerform whatever actions are required to flush and close the output stream or writer, in a single operation.- Throws:
java.io.IOException- if an input/output error occurs
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getContentLength
public int getContentLength()
- Returns:
- the content length that was set or calculated for this Response.
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getContentType
public java.lang.String getContentType()
Description copied from interface:javax.servlet.ServletResponseReturns the content type used for the MIME body sent in this response. The content type proper must have been specified usingServletResponse.setContentType(java.lang.String)before the response is committed. If no content type has been specified, this method returns null. If a content type has been specified and a character encoding has been explicitly or implicitly specified as described inServletResponse.getCharacterEncoding(), the charset parameter is included in the string returned. If no character encoding has been specified, the charset parameter is omitted.- Specified by:
getContentTypein interfaceServletResponse- Returns:
- the content type that was set or calculated for this response,
or
nullif no content type was set.
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getReporter
public java.io.PrintWriter getReporter() throws java.io.IOExceptionReturn a PrintWriter that can be used to render error messages, regardless of whether a stream or writer has already been acquired.- Returns:
- Writer which can be used for error reports. If the response is not an error report returned using sendError or triggered by an unexpected exception thrown during the servlet processing (and only in that case), null will be returned if the response stream has already been used.
- Throws:
java.io.IOException- if an input/output error occurs
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flushBuffer
public void flushBuffer() throws java.io.IOExceptionFlush the buffer and commit this response.- Specified by:
flushBufferin interfaceServletResponse- Throws:
java.io.IOException- if an input/output error occurs- See Also:
ServletResponse.setBufferSize(int),ServletResponse.getBufferSize(),ServletResponse.isCommitted(),ServletResponse.reset()
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getBufferSize
public int getBufferSize()
Description copied from interface:javax.servlet.ServletResponseReturns the actual buffer size used for the response. If no buffering is used, this method returns 0.- Specified by:
getBufferSizein interfaceServletResponse- Returns:
- the actual buffer size used for this Response.
- See Also:
ServletResponse.setBufferSize(int),ServletResponse.flushBuffer(),ServletResponse.isCommitted(),ServletResponse.reset()
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getCharacterEncoding
public java.lang.String getCharacterEncoding()
Description copied from interface:javax.servlet.ServletResponseReturns the name of the character encoding (MIME charset) used for the body sent in this response. The character encoding may have been specified explicitly using theServletResponse.setCharacterEncoding(java.lang.String)orServletResponse.setContentType(java.lang.String)methods, or implicitly using theServletResponse.setLocale(java.util.Locale)method. Explicit specifications take precedence over implicit specifications. Calls made to these methods aftergetWriterhas been called or after the response has been committed have no effect on the character encoding. If no character encoding has been specified,ISO-8859-1is returned.See RFC 2047 (http://www.ietf.org/rfc/rfc2047.txt) for more information about character encoding and MIME.
- Specified by:
getCharacterEncodingin interfaceServletResponse- Returns:
- the character encoding used for this Response.
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getOutputStream
public ServletOutputStream getOutputStream() throws java.io.IOException
Description copied from interface:javax.servlet.ServletResponseReturns aServletOutputStreamsuitable for writing binary data in the response. The servlet container does not encode the binary data.Calling flush() on the ServletOutputStream commits the response. Either this method or
ServletResponse.getWriter()may be called to write the body, not both.- Specified by:
getOutputStreamin interfaceServletResponse- Returns:
- the servlet output stream associated with this Response.
- Throws:
java.lang.IllegalStateException- ifgetWriterhas already been called for this responsejava.io.IOException- if an input/output error occurs- See Also:
ServletResponse.getWriter()
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getLocale
public java.util.Locale getLocale()
Description copied from interface:javax.servlet.ServletResponseReturns the locale specified for this response using theServletResponse.setLocale(java.util.Locale)method. Calls made tosetLocaleafter the response is committed have no effect.- Specified by:
getLocalein interfaceServletResponse- Returns:
- the Locale assigned to this response.
- See Also:
ServletResponse.setLocale(java.util.Locale)
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getWriter
public java.io.PrintWriter getWriter() throws java.io.IOExceptionDescription copied from interface:javax.servlet.ServletResponseReturns aPrintWriterobject that can send character text to the client. ThePrintWriteruses the character encoding returned byServletResponse.getCharacterEncoding(). If the response's character encoding has not been specified as described ingetCharacterEncoding(i.e., the method just returns the default valueISO-8859-1),getWriterupdates it toISO-8859-1.Calling flush() on the
PrintWritercommits the response.Either this method or
ServletResponse.getOutputStream()may be called to write the body, not both.- Specified by:
getWriterin interfaceServletResponse- Returns:
- the writer associated with this Response.
- Throws:
java.lang.IllegalStateException- ifgetOutputStreamhas already been called for this responsejava.io.IOException- if an input/output error occurs- See Also:
ServletResponse.getOutputStream(),ServletResponse.setCharacterEncoding(java.lang.String)
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isCommitted
public boolean isCommitted()
Has the output of this response already been committed?- Specified by:
isCommittedin interfaceServletResponse- Returns:
trueif the response has been committed- See Also:
ServletResponse.setBufferSize(int),ServletResponse.getBufferSize(),ServletResponse.flushBuffer(),ServletResponse.reset()
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reset
public void reset()
Clear any content written to the buffer.- Specified by:
resetin interfaceServletResponse- Throws:
java.lang.IllegalStateException- if this response has already been committed- See Also:
ServletResponse.setBufferSize(int),ServletResponse.getBufferSize(),ServletResponse.flushBuffer(),ServletResponse.isCommitted()
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resetBuffer
public void resetBuffer()
Reset the data buffer but not any status or header information.- Specified by:
resetBufferin interfaceServletResponse- Throws:
java.lang.IllegalStateException- if the response has already been committed- See Also:
ServletResponse.setBufferSize(int),ServletResponse.getBufferSize(),ServletResponse.isCommitted(),ServletResponse.reset()
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resetBuffer
public void resetBuffer(boolean resetWriterStreamFlags)
Reset the data buffer and the using Writer/Stream flags but not any status or header information.- Parameters:
resetWriterStreamFlags-trueif the internalusingWriter,usingOutputStream,isCharacterEncodingSetflags should also be reset- Throws:
java.lang.IllegalStateException- if the response has already been committed
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setBufferSize
public void setBufferSize(int size)
Set the buffer size to be used for this Response.- Specified by:
setBufferSizein interfaceServletResponse- Parameters:
size- The new buffer size- Throws:
java.lang.IllegalStateException- if this method is called after output has been committed for this response- See Also:
ServletResponse.getBufferSize(),ServletResponse.flushBuffer(),ServletResponse.isCommitted(),ServletResponse.reset()
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setContentLength
public void setContentLength(int length)
Set the content length (in bytes) for this Response.- Specified by:
setContentLengthin interfaceServletResponse- Parameters:
length- The new content length
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setContentLengthLong
public void setContentLengthLong(long length)
Description copied from interface:javax.servlet.ServletResponseSets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.- Specified by:
setContentLengthLongin interfaceServletResponse- Parameters:
length- an integer specifying the length of the content being returned to the client; sets the Content-Length header
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setContentType
public void setContentType(java.lang.String type)
Set the content type for this Response.- Specified by:
setContentTypein interfaceServletResponse- Parameters:
type- The new content type- See Also:
ServletResponse.setLocale(java.util.Locale),ServletResponse.setCharacterEncoding(java.lang.String),ServletResponse.getOutputStream(),ServletResponse.getWriter()
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setCharacterEncoding
public void setCharacterEncoding(java.lang.String charset)
Overrides the name of the character encoding used in the body of the request. This method must be called prior to reading request parameters or reading input using getReader().- Specified by:
setCharacterEncodingin interfaceServletResponse- Parameters:
charset- String containing the name of the character encoding.- See Also:
#setLocale
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setLocale
public void setLocale(java.util.Locale locale)
Set the Locale that is appropriate for this response, including setting the appropriate character encoding.- Specified by:
setLocalein interfaceServletResponse- Parameters:
locale- The new locale- See Also:
ServletResponse.getLocale(),ServletResponse.setContentType(java.lang.String),ServletResponse.setCharacterEncoding(java.lang.String)
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getHeader
public java.lang.String getHeader(java.lang.String name)
Description copied from interface:javax.servlet.http.HttpServletResponseReturn the value for the specified header, ornullif this header has not been set. If more than one value was added for this name, only the first is returned; useHttpServletResponse.getHeaders(String)to retrieve all of them.- Specified by:
getHeaderin interfaceHttpServletResponse- Parameters:
name- Header name to look up- Returns:
- The first value for the specified header. This is the raw value so if multiple values are specified in the first header then they will be returned as a single header value .
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getHeaderNames
public java.util.Collection<java.lang.String> getHeaderNames()
Description copied from interface:javax.servlet.http.HttpServletResponseGet the header names set for this HTTP response.- Specified by:
getHeaderNamesin interfaceHttpServletResponse- Returns:
- The header names set for this HTTP response.
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getHeaders
public java.util.Collection<java.lang.String> getHeaders(java.lang.String name)
Description copied from interface:javax.servlet.http.HttpServletResponseReturn a Collection of all the header values associated with the specified header name.- Specified by:
getHeadersin interfaceHttpServletResponse- Parameters:
name- Header name to look up- Returns:
- The values for the specified header. These are the raw values so if multiple values are specified in a single header that will be returned as a single header value.
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getMessage
public java.lang.String getMessage()
- Returns:
- the error message that was set with
sendError()for this Response.
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getStatus
public int getStatus()
Description copied from interface:javax.servlet.http.HttpServletResponseGet the HTTP status code for this Response.- Specified by:
getStatusin interfaceHttpServletResponse- Returns:
- The HTTP status code for this Response
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addCookie
public void addCookie(Cookie cookie)
Add the specified Cookie to those that will be included with this Response.- Specified by:
addCookiein interfaceHttpServletResponse- Parameters:
cookie- Cookie to be added
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addSessionCookieInternal
public void addSessionCookieInternal(Cookie cookie)
Special method for adding a session cookie as we should be overriding any previous.- Parameters:
cookie- The new session cookie to add the response
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generateCookieString
public java.lang.String generateCookieString(Cookie cookie)
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addDateHeader
public void addDateHeader(java.lang.String name, long value)Add the specified date header to the specified value.- Specified by:
addDateHeaderin interfaceHttpServletResponse- Parameters:
name- Name of the header to setvalue- Date value to be set- See Also:
HttpServletResponse.setDateHeader(java.lang.String, long)
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addHeader
public void addHeader(java.lang.String name, java.lang.String value)Add the specified header to the specified value.- Specified by:
addHeaderin interfaceHttpServletResponse- Parameters:
name- Name of the header to setvalue- Value to be set- See Also:
HttpServletResponse.setHeader(java.lang.String, java.lang.String)
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addIntHeader
public void addIntHeader(java.lang.String name, int value)Add the specified integer header to the specified value.- Specified by:
addIntHeaderin interfaceHttpServletResponse- Parameters:
name- Name of the header to setvalue- Integer value to be set- See Also:
HttpServletResponse.setIntHeader(java.lang.String, int)
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containsHeader
public boolean containsHeader(java.lang.String name)
Has the specified header been set already in this response?- Specified by:
containsHeaderin interfaceHttpServletResponse- Parameters:
name- Name of the header to check- Returns:
trueif the header has been set
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encodeRedirectURL
public java.lang.String encodeRedirectURL(java.lang.String url)
Encode the session identifier associated with this response into the specified redirect URL, if necessary.- Specified by:
encodeRedirectURLin interfaceHttpServletResponse- Parameters:
url- URL to be encoded- Returns:
trueif the URL was encoded- See Also:
HttpServletResponse.sendRedirect(java.lang.String),HttpServletResponse.encodeUrl(java.lang.String)
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encodeRedirectUrl
@Deprecated public java.lang.String encodeRedirectUrl(java.lang.String url)
Deprecated.As of Version 2.1 of the Java Servlet API, useencodeRedirectURL()instead.Encode the session identifier associated with this response into the specified redirect URL, if necessary.- Specified by:
encodeRedirectUrlin interfaceHttpServletResponse- Parameters:
url- URL to be encoded- Returns:
trueif the URL was encoded
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encodeURL
public java.lang.String encodeURL(java.lang.String url)
Encode the session identifier associated with this response into the specified URL, if necessary.- Specified by:
encodeURLin interfaceHttpServletResponse- Parameters:
url- URL to be encoded- Returns:
trueif the URL was encoded
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encodeUrl
@Deprecated public java.lang.String encodeUrl(java.lang.String url)
Deprecated.As of Version 2.1 of the Java Servlet API, useencodeURL()instead.Encode the session identifier associated with this response into the specified URL, if necessary.- Specified by:
encodeUrlin interfaceHttpServletResponse- Parameters:
url- URL to be encoded- Returns:
trueif the URL was encoded
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sendAcknowledgement
@Deprecated public void sendAcknowledgement() throws java.io.IOExceptionDeprecated.Unused. Will be removed in Tomcat 10. UsesendAcknowledgement(ContinueResponseTiming).Send an acknowledgement of a request.- Throws:
java.io.IOException- if an input/output error occurs
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sendAcknowledgement
public void sendAcknowledgement(ContinueResponseTiming continueResponseTiming) throws java.io.IOException
Send an acknowledgement of a request.- Parameters:
continueResponseTiming- Indicates when the request for the ACK originated so it can be compared with the configured timing for ACK responses.- Throws:
java.io.IOException- if an input/output error occurs
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sendError
public void sendError(int status) throws java.io.IOExceptionSend an error response with the specified status and a default message.- Specified by:
sendErrorin interfaceHttpServletResponse- Parameters:
status- HTTP status code to send- Throws:
java.lang.IllegalStateException- if this response has already been committedjava.io.IOException- if an input/output error occurs
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sendError
public void sendError(int status, java.lang.String message) throws java.io.IOExceptionSend an error response with the specified status and message.- Specified by:
sendErrorin interfaceHttpServletResponse- Parameters:
status- HTTP status code to sendmessage- Corresponding message to send- Throws:
java.lang.IllegalStateException- if this response has already been committedjava.io.IOException- if an input/output error occurs
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sendRedirect
public void sendRedirect(java.lang.String location) throws java.io.IOExceptionSend a temporary redirect to the specified redirect location URL.- Specified by:
sendRedirectin interfaceHttpServletResponse- Parameters:
location- Location URL to redirect to- Throws:
java.lang.IllegalStateException- if this response has already been committedjava.io.IOException- if an input/output error occurs
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sendRedirect
public void sendRedirect(java.lang.String location, int status) throws java.io.IOExceptionInternal method that allows a redirect to be sent with a status other thanHttpServletResponse.SC_FOUND(302). No attempt is made to validate the status code.- Parameters:
location- Location URL to redirect tostatus- HTTP status code that will be sent- Throws:
java.io.IOException- an IO exception occurred
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setDateHeader
public void setDateHeader(java.lang.String name, long value)Set the specified date header to the specified value.- Specified by:
setDateHeaderin interfaceHttpServletResponse- Parameters:
name- Name of the header to setvalue- Date value to be set- See Also:
HttpServletResponse.containsHeader(java.lang.String),HttpServletResponse.addDateHeader(java.lang.String, long)
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setHeader
public void setHeader(java.lang.String name, java.lang.String value)Set the specified header to the specified value.- Specified by:
setHeaderin interfaceHttpServletResponse- Parameters:
name- Name of the header to setvalue- Value to be set- See Also:
HttpServletResponse.containsHeader(java.lang.String),HttpServletResponse.addHeader(java.lang.String, java.lang.String)
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setIntHeader
public void setIntHeader(java.lang.String name, int value)Set the specified integer header to the specified value.- Specified by:
setIntHeaderin interfaceHttpServletResponse- Parameters:
name- Name of the header to setvalue- Integer value to be set- See Also:
HttpServletResponse.containsHeader(java.lang.String),HttpServletResponse.addIntHeader(java.lang.String, int)
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setStatus
public void setStatus(int status)
Set the HTTP status to be returned with this response.- Specified by:
setStatusin interfaceHttpServletResponse- Parameters:
status- The new HTTP status- See Also:
HttpServletResponse.sendError(int, java.lang.String)
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setStatus
@Deprecated public void setStatus(int status, java.lang.String message)Deprecated.As of Version 2.1 of the Java Servlet API, this method has been deprecated due to the ambiguous meaning of the message parameter.Set the HTTP status and message to be returned with this response.- Specified by:
setStatusin interfaceHttpServletResponse- Parameters:
status- The new HTTP statusmessage- The associated text message
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isEncodeable
protected boolean isEncodeable(java.lang.String location)
Returntrueif the specified URL should be encoded with a session identifier. This will be true if all of the following conditions are met:- The request we are responding to asked for a valid session
- The requested session ID was not received via a cookie
- The specified URL points back to somewhere within the web application that is responding to this request
- Parameters:
location- Absolute URL to be validated- Returns:
trueif the URL should be encoded
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toAbsolute
protected java.lang.String toAbsolute(java.lang.String location)
Convert (if necessary) and return the absolute URL that represents the resource referenced by this possibly relative URL. If this URL is already absolute, return it unchanged.- Parameters:
location- URL to be (possibly) converted and then returned- Returns:
- the encoded URL
- Throws:
java.lang.IllegalArgumentException- if a MalformedURLException is thrown when converting the relative URL to an absolute one
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toEncoded
protected java.lang.String toEncoded(java.lang.String url, java.lang.String sessionId)Return the specified URL with the specified session identifier suitably encoded.- Parameters:
url- URL to be encoded with the session idsessionId- Session id to be included in the encoded URL- Returns:
- the encoded URL
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