org.apache.camel.http.common

Class DefaultHttpBinding

java.lang.Object

org.apache.camel.http.common.DefaultHttpBinding

All Implemented Interfaces:

HttpBinding

public class DefaultHttpBinding
extends Object
implements HttpBinding

Binding between HttpMessage and HttpServletResponse.

Uses by default the HttpHeaderFilterStrategy

Field Summary

Fields

Modifier and Type	Field and Description
static String	DATE_FORMAT The data format used for storing java.util.Date instances as a String value.
static String	DATE_LOCALE_CONVERSION Whether Date/Locale should be converted to String types (enabled by default)

Constructor Summary

Constructors

Constructor and Description
DefaultHttpBinding()
DefaultHttpBinding(org.apache.camel.spi.HeaderFilterStrategy headerFilterStrategy) Deprecated.
DefaultHttpBinding(HttpCommonEndpoint endpoint) Deprecated.

Method Summary

Modifier and Type	Method and Description
protected boolean	checkChunked(org.apache.camel.Message message, org.apache.camel.Exchange exchange)
protected boolean	convertDateAndLocaleLocally(org.apache.camel.Exchange exchange)
protected String	convertHeaderValueToString(org.apache.camel.Exchange exchange, Object headerValue)
protected int	copyStream(InputStream is, OutputStream os, int bufferSize)
protected void	doWriteDirectResponse(org.apache.camel.Message message, javax.servlet.http.HttpServletResponse response, org.apache.camel.Exchange exchange)
void	doWriteExceptionResponse(Throwable exception, javax.servlet.http.HttpServletResponse response) Strategy method that writes the response to the http response stream when an exception occurred
void	doWriteFaultResponse(org.apache.camel.Message message, javax.servlet.http.HttpServletResponse response, org.apache.camel.Exchange exchange) Strategy method that writes the response to the http response stream for a fault message
protected void	doWriteGZIPResponse(org.apache.camel.Message message, javax.servlet.http.HttpServletResponse response, org.apache.camel.Exchange exchange)
void	doWriteResponse(org.apache.camel.Message message, javax.servlet.http.HttpServletResponse response, org.apache.camel.Exchange exchange) Strategy method that writes the response to the http response stream for an OUT message
org.apache.camel.spi.HeaderFilterStrategy	getHeaderFilterStrategy() Gets the header filter strategy
protected static SimpleDateFormat	getHttpDateFormat()
boolean	isAllowJavaSerializedObject() Whether to allow java serialization when a request uses context-type=application/x-java-serialized-object This is by default turned off.
boolean	isEagerCheckContentAvailable() Whether to eager check whether the HTTP requests has content if the content-length header is 0 or not present.
boolean	isMapHttpMessageBody() Whether to allow Exchange Body HTTP mapping
boolean	isMapHttpMessageFormUrlEncodedBody() Whether to allow Exchange Form URL Encoded Body HTTP mapping
boolean	isMapHttpMessageHeaders() Whether to allow Exchange Headers HTTP mapping
protected boolean	isText(String contentType)
boolean	isTransferException() If enabled and an Exchange failed processing on the consumer side, and if the caused Exception was send back serialized in the response as a application/x-java-serialized-object content type (for example using Jetty or Servlet Camel components).
boolean	isUseReaderForPayload() Should reader by used instead of input stream.
Object	parseBody(HttpMessage httpMessage) Parses the body from a HttpMessage
protected void	populateAttachments(javax.servlet.http.HttpServletRequest request, HttpMessage message)
protected void	populateRequestParameters(javax.servlet.http.HttpServletRequest request, HttpMessage message)
protected void	readBody(javax.servlet.http.HttpServletRequest request, HttpMessage message)
protected void	readFormUrlEncodedBody(javax.servlet.http.HttpServletRequest request, HttpMessage message)
protected void	readHeaders(javax.servlet.http.HttpServletRequest request, HttpMessage message)
void	readRequest(javax.servlet.http.HttpServletRequest request, HttpMessage message) Strategy to read the given request and bindings it to the given message.
void	setAllowJavaSerializedObject(boolean allowJavaSerializedObject) Whether to allow java serialization when a request uses context-type=application/x-java-serialized-object This is by default turned off.
void	setEagerCheckContentAvailable(boolean eagerCheckContentAvailable) Whether to eager check whether the HTTP requests has content if the content-length header is 0 or not present.
void	setHeaderFilterStrategy(org.apache.camel.spi.HeaderFilterStrategy headerFilterStrategy) Sets the header filter strategy to use.
void	setMapHttpMessageBody(boolean mapHttpMessageBody) Whether to allow Exchange Body HTTP mapping This is by default turned on.
void	setMapHttpMessageFormUrlEncodedBody(boolean mapHttpMessageFormUrlEncodedBody) Whether to allow Exchange Form URL Encoded Body HTTP mapping This is by default turned on.
void	setMapHttpMessageHeaders(boolean mapHttpMessageHeaders) Whether to allow Exchange Headers HTTP mapping This is by default turned on.
void	setTransferException(boolean transferException) If enabled and an Exchange failed processing on the consumer side, and if the caused Exception was send back serialized in the response as a application/x-java-serialized-object content type (for example using Jetty or Servlet Camel components).
void	setUseReaderForPayload(boolean useReaderForPayload) Should the ServletRequest.getReader() be exposed as the payload of input messages in the Camel Message.getBody() or not.
protected static String	toHttpDate(Date date)
protected static String	toHttpLanguage(Locale locale)
void	writeResponse(org.apache.camel.Exchange exchange, javax.servlet.http.HttpServletResponse response) Writes the exchange to the servlet response.

Methods inherited from class java.lang.Object

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

Field Detail

DATE_LOCALE_CONVERSION

public static final String DATE_LOCALE_CONVERSION

Whether Date/Locale should be converted to String types (enabled by default)

See Also:

Constant Field Values

DATE_FORMAT

public static final String DATE_FORMAT

The data format used for storing java.util.Date instances as a String value.

See Also:

Constant Field Values

Constructor Detail

DefaultHttpBinding

public DefaultHttpBinding()

DefaultHttpBinding

@Deprecated
public DefaultHttpBinding(org.apache.camel.spi.HeaderFilterStrategy headerFilterStrategy)

Deprecated.

DefaultHttpBinding

@Deprecated
public DefaultHttpBinding(HttpCommonEndpoint endpoint)

Deprecated.

Method Detail

readRequest

public void readRequest(javax.servlet.http.HttpServletRequest request,
                        HttpMessage message)

Description copied from interface: HttpBinding

Strategy to read the given request and bindings it to the given message.

Specified by:

readRequest in interface HttpBinding

Parameters:

request - the request

message - the message to populate with data from request

readHeaders

protected void readHeaders(javax.servlet.http.HttpServletRequest request,
                           HttpMessage message)

readBody

protected void readBody(javax.servlet.http.HttpServletRequest request,
                        HttpMessage message)

populateRequestParameters

protected void populateRequestParameters(javax.servlet.http.HttpServletRequest request,
                                         HttpMessage message)
                                  throws Exception

Throws:

Exception

readFormUrlEncodedBody

protected void readFormUrlEncodedBody(javax.servlet.http.HttpServletRequest request,
                                      HttpMessage message)
                               throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

populateAttachments

protected void populateAttachments(javax.servlet.http.HttpServletRequest request,
                                   HttpMessage message)

writeResponse

public void writeResponse(org.apache.camel.Exchange exchange,
                          javax.servlet.http.HttpServletResponse response)
                   throws IOException

Description copied from interface: HttpBinding

Writes the exchange to the servlet response.

Default implementation will delegate to the following methods depending on the status of the exchange

• doWriteResponse - processing returns a OUT message
• doWriteFaultResponse - processing returns a fault message
• doWriteResponse - processing returns an exception and status code 500

Specified by:

writeResponse in interface HttpBinding

Parameters:

exchange - the exchange

response - the http response

Throws:

IOException - can be thrown from http response

doWriteExceptionResponse

public void doWriteExceptionResponse(Throwable exception,
                                     javax.servlet.http.HttpServletResponse response)
                              throws IOException

Description copied from interface: HttpBinding

Strategy method that writes the response to the http response stream when an exception occurred

Specified by:

doWriteExceptionResponse in interface HttpBinding

Parameters:

exception - the exception occurred

response - the http response

Throws:

IOException - can be thrown from http response

doWriteFaultResponse

public void doWriteFaultResponse(org.apache.camel.Message message,
                                 javax.servlet.http.HttpServletResponse response,
                                 org.apache.camel.Exchange exchange)
                          throws IOException

Description copied from interface: HttpBinding

Strategy method that writes the response to the http response stream for a fault message

Specified by:

doWriteFaultResponse in interface HttpBinding

Parameters:

message - the fault message

response - the http response

exchange - the exchange to provide context for header filtering

Throws:

IOException - can be thrown from http response

doWriteResponse

public void doWriteResponse(org.apache.camel.Message message,
                            javax.servlet.http.HttpServletResponse response,
                            org.apache.camel.Exchange exchange)
                     throws IOException

Description copied from interface: HttpBinding

Strategy method that writes the response to the http response stream for an OUT message

Specified by:

doWriteResponse in interface HttpBinding

Parameters:

message - the OUT message

response - the http response

exchange - the exchange to provide context for header filtering

Throws:

IOException - can be thrown from http response

convertHeaderValueToString

protected String convertHeaderValueToString(org.apache.camel.Exchange exchange,
                                            Object headerValue)

convertDateAndLocaleLocally

protected boolean convertDateAndLocaleLocally(org.apache.camel.Exchange exchange)

isText

protected boolean isText(String contentType)

copyStream

protected int copyStream(InputStream is,
                         OutputStream os,
                         int bufferSize)
                  throws IOException

Throws:

IOException

doWriteDirectResponse

protected void doWriteDirectResponse(org.apache.camel.Message message,
                                     javax.servlet.http.HttpServletResponse response,
                                     org.apache.camel.Exchange exchange)
                              throws IOException

Throws:

IOException

checkChunked

protected boolean checkChunked(org.apache.camel.Message message,
                               org.apache.camel.Exchange exchange)

doWriteGZIPResponse

protected void doWriteGZIPResponse(org.apache.camel.Message message,
                                   javax.servlet.http.HttpServletResponse response,
                                   org.apache.camel.Exchange exchange)
                            throws IOException

Throws:

IOException

parseBody

public Object parseBody(HttpMessage httpMessage)
                 throws IOException

Description copied from interface: HttpBinding

Parses the body from a HttpMessage

Specified by:

parseBody in interface HttpBinding

Parameters:

httpMessage - the http message

Returns:

the parsed body returned as either a InputStream or a Reader depending on the HttpBinding.setUseReaderForPayload(boolean) property.

Throws:

IOException - can be thrown

isUseReaderForPayload

public boolean isUseReaderForPayload()

Description copied from interface: HttpBinding

Should reader by used instead of input stream.

Specified by:

isUseReaderForPayload in interface HttpBinding

Returns:

true if reader should be used

See Also:

for more details

setUseReaderForPayload

public void setUseReaderForPayload(boolean useReaderForPayload)

Description copied from interface: HttpBinding

Should the ServletRequest.getReader() be exposed as the payload of input messages in the Camel Message.getBody() or not. If false then the ServletRequest.getInputStream() will be exposed.

Is default false.

Specified by:

setUseReaderForPayload in interface HttpBinding

Parameters:

useReaderForPayload - whether to use reader or not

isEagerCheckContentAvailable

public boolean isEagerCheckContentAvailable()

Description copied from interface: HttpBinding

Whether to eager check whether the HTTP requests has content if the content-length header is 0 or not present. This can be turned on in case HTTP clients do not send streamed data.

Specified by:

isEagerCheckContentAvailable in interface HttpBinding

setEagerCheckContentAvailable

public void setEagerCheckContentAvailable(boolean eagerCheckContentAvailable)

Description copied from interface: HttpBinding

Whether to eager check whether the HTTP requests has content if the content-length header is 0 or not present. This can be turned on in case HTTP clients do not send streamed data.

Specified by:

setEagerCheckContentAvailable in interface HttpBinding

isTransferException

public boolean isTransferException()

Description copied from interface: HttpBinding

If enabled and an Exchange failed processing on the consumer side, and if the caused Exception was send back serialized in the response as a application/x-java-serialized-object content type (for example using Jetty or Servlet Camel components). On the producer side the exception will be deserialized and thrown as is, instead of the HttpOperationFailedException. The caused exception is required to be serialized.

This is by default turned off. If you enable this then be aware that Java will deserialize the incoming data from the request to Java and that can be a potential security risk.

Specified by:

isTransferException in interface HttpBinding

setTransferException

public void setTransferException(boolean transferException)

Description copied from interface: HttpBinding

If enabled and an Exchange failed processing on the consumer side, and if the caused Exception was send back serialized in the response as a application/x-java-serialized-object content type (for example using Jetty or Servlet Camel components). On the producer side the exception will be deserialized and thrown as is, instead of the HttpOperationFailedException. The caused exception is required to be serialized.

This is by default turned off. If you enable this then be aware that Java will deserialize the incoming data from the request to Java and that can be a potential security risk.

Specified by:

setTransferException in interface HttpBinding

isAllowJavaSerializedObject

public boolean isAllowJavaSerializedObject()

Description copied from interface: HttpBinding

Whether to allow java serialization when a request uses context-type=application/x-java-serialized-object

This is by default turned off. If you enable this then be aware that Java will deserialize the incoming data from the request to Java and that can be a potential security risk.

Specified by:

isAllowJavaSerializedObject in interface HttpBinding

setAllowJavaSerializedObject

public void setAllowJavaSerializedObject(boolean allowJavaSerializedObject)

Description copied from interface: HttpBinding

Whether to allow java serialization when a request uses context-type=application/x-java-serialized-object

This is by default turned off. If you enable this then be aware that Java will deserialize the incoming data from the request to Java and that can be a potential security risk.

Specified by:

setAllowJavaSerializedObject in interface HttpBinding

Parameters:

allowJavaSerializedObject - true to allow serializing java objects

getHeaderFilterStrategy

public org.apache.camel.spi.HeaderFilterStrategy getHeaderFilterStrategy()

Description copied from interface: HttpBinding

Gets the header filter strategy

Specified by:

getHeaderFilterStrategy in interface HttpBinding

Returns:

the strategy

setHeaderFilterStrategy

public void setHeaderFilterStrategy(org.apache.camel.spi.HeaderFilterStrategy headerFilterStrategy)

Description copied from interface: HttpBinding

Sets the header filter strategy to use.

Will default use HttpHeaderFilterStrategy

Specified by:

setHeaderFilterStrategy in interface HttpBinding

Parameters:

headerFilterStrategy - the custom strategy

isMapHttpMessageBody

public boolean isMapHttpMessageBody()

Description copied from interface: HttpBinding

Whether to allow Exchange Body HTTP mapping

Specified by:

isMapHttpMessageBody in interface HttpBinding

setMapHttpMessageBody

public void setMapHttpMessageBody(boolean mapHttpMessageBody)

Description copied from interface: HttpBinding

Whether to allow Exchange Body HTTP mapping

This is by default turned on. If you disable this then be aware that the Exchange body won't be mapped to HTTP

Specified by:

setMapHttpMessageBody in interface HttpBinding

isMapHttpMessageHeaders

public boolean isMapHttpMessageHeaders()

Description copied from interface: HttpBinding

Whether to allow Exchange Headers HTTP mapping

Specified by:

isMapHttpMessageHeaders in interface HttpBinding

setMapHttpMessageHeaders

public void setMapHttpMessageHeaders(boolean mapHttpMessageHeaders)

Description copied from interface: HttpBinding

Whether to allow Exchange Headers HTTP mapping

This is by default turned on. If you disable this then be aware that the Exchange headers won't be mapped to HTTP

Specified by:

setMapHttpMessageHeaders in interface HttpBinding

isMapHttpMessageFormUrlEncodedBody

public boolean isMapHttpMessageFormUrlEncodedBody()

Description copied from interface: HttpBinding

Whether to allow Exchange Form URL Encoded Body HTTP mapping

Specified by:

isMapHttpMessageFormUrlEncodedBody in interface HttpBinding

setMapHttpMessageFormUrlEncodedBody

public void setMapHttpMessageFormUrlEncodedBody(boolean mapHttpMessageFormUrlEncodedBody)

Description copied from interface: HttpBinding

Whether to allow Exchange Form URL Encoded Body HTTP mapping

This is by default turned on. If you disable this then be aware that the Exchange Form URL Encoded Body won't be mapped to HTTP

Specified by:

setMapHttpMessageFormUrlEncodedBody in interface HttpBinding

getHttpDateFormat

protected static SimpleDateFormat getHttpDateFormat()

toHttpDate

protected static String toHttpDate(Date date)

toHttpLanguage

protected static String toHttpLanguage(Locale locale)