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Response interface

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  11. CFML Reference
    1. Introduction to CFML Reference
      1. New functions in ColdFusion (2018 release)
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      3. Script supported tags and functions
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    2. Reserved words and variables
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      14. BooleanFormat
    5. Ajax JavaScript functions
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      3. ColdFusion.Ajax.submitForm
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      5. ColdFusion.Layout.enableSourceBind
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    8. Application.cfc reference
      1. Application.CFC reference
      2. Application variables
      3. Method summary
      4. onAbort
      5. onApplicationEnd
      6. onApplicationStart
      7. onMissingTemplate
      8. onCFCRequest
      9. onError
      10. onRequestEnd
      11. onRequest
      12. onRequestStart
      13. onServerStart
      14. onSessionEnd
      15. onSessionStart
    9. Script functions implemented as CFCs
      1. Script Functions Implemented as CFCs
      2. Accessing the functions
      3. Function summary
      4. ftp
      5. http
      6. mail
      7. pdf
      8. query
      9. Script functions implemented as CFCs in ColdFusion 9 Update 1
      10. storedproc
    10. ColdFusion Flash Form style reference
      1. Styles valid for all controls
      2. Styles for cfform
      3. Styles for cfformgroup with horizontal or vertical type attributes
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      7. Styles for cfformitem with hrule or vrule type attributes
      8. Styles for cfinput with radio, checkbox, button, image, or submit type attributes
      9. Styles for cftextarea tag and cfinput with text, password, or hidden type attributes
      10. Styles for cfselect with size attribute value of 1
      11. Styles for cfselect with size attribute value greater than 1
      12. Styles for cfcalendar tag and cfinput with dateField type attribute
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      14. Styles for the cftree tag
      15. ColdFusion Flash Form Style Reference
    11. ColdFusion event gateway reference
      1. ColdFusion Event Gateway reference
      2. addEvent
      3. CFEvent
      4. CFEventclass
      5. Constructor
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      7. getStatus
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      17. onIMServerMessage
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      20. onAddBuddyRequest
      21. IM Gateway CFC incoming message methods
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      23. CFML CFEvent structure
      24. warn
      25. info
      26. setOriginatorID
      27. data command
      28. submit Multi command
      29. submit command
      30. setGatewayType
      31. setGatewayID
      32. setData
      33. setCFCListeners
      34. outgoingMessage
      35. getStatusTimeStamp
      36. numberOfMessagesReceived
      37. numberOfMessagesSent
      38. removeBuddy
      39. removeDeny
      40. removePermit
      41. setNickName
      42. setPermitMode
      43. setStatus
      44. SMS Gateway CFEvent structure and commands
      45. SMS Gateway incoming message CFEvent structure
      46. getStatusAsString
      47. getProtocolName
      48. getPermitMode
      49. getPermitList
      50. getNickName
      51. getName
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      53. getCustomAwayMessage
      54. getQueueSize
      55. getMaxQueueSize
      56. getHelper
      57. getGatewayType
      58. getGatewayServices
      59. getGatewayID_1
      60. getGatewayID
      61. getData
      62. getCFCTimeout
      63. setCFCTimeout
      64. getCFCPath
      65. getCFCMethod
      66. GatewayServices class
      67. Gateway interface
      68. GatewayHelper interface
      69. addPermit
      70. addDeny
      71. addBuddy
      72. error
      73. debug
      74. Logger class
      75. stop
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      77. CFML event gateway SendGatewayMessage data parameter
      78. restart
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    12. ColdFusion C++ CFX Reference
      1. C++ class overview
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      3. CCFXException class
      4. CCFXQuery class
      5. CCFXRequest class
      6. CCFXStringSet class
      7. ColdFusion C++ CFX Reference
    13. ColdFusion Java CFX reference
      1. ColdFusion Java CFX reference
      2. Class libraries overview
      3. Custom tag interface
      4. Query interface
      5. Request interface
      6. Response interface
      7. Debugging classes reference
    14. WDDX JavaScript Objects
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      3. WddxRecordset object
      4. WddxSerializer object
  12. Develop ColdFusion applications
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    2. Changes in ColdFusion
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      15. Caching enhancements
      16. Server update using ColdFusion Administrator
      17. Secure Profile for ColdFusion Administrator
    3. Introduction to application development
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      2. Using the Developing ColdFusion Applications guide
      3. About Adobe ColdFusion documentation for Developers
    4. The CFML programming language
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      2. Elements of CFML
      3. ColdFusion variables
      4. Expressions and number signs
      5. Arrays and structures
      6. Extend ColdFusion pages with CFML scripting
      7. Regular expressions in functions
      8. ColdFusion language enhancements
      9. Built-in functions as first class citizen
      10. Data types- Developing guide
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      8. Object Oriented Programming in ColdFusion
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      11. REST enhancements in ColdFusion
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    10. ColdFusion and HTML5
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      6. Use LiveCycle Data Services ES assembler
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    12. Request and present information
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      4. Validate data
      5. Create forms in Flash
      6. Create skinnable XML forms
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      8. Use Ajax User Interface components and features
    13. Office file interoperability
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      5. Supported Office conversion formats
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    14. ColdFusion portlets
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      4. Common methods used in portlet.cfc
      5. ColdFusion portlet components
      6. Support for JSR-286
    15. Work with documents, charts, and reports
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      2. Manipulate PDF forms in ColdFusion
      3. Assemble PDF documents
      4. Create and manipulate ColdFusion images
      5. Create charts and graphs
      6. Create reports and documents for printing
      7. Create reports with Report Builder
      8. Create slide presentations
    16. Use web elements and external objects
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      2. Use XML and WDDX
      3. Use web services
      4. Use ColdFusion web services
      5. Integrate JEE and Java elements in CFML applications
      6. Use Microsoft .NET assemblies
      7. Integrate COM and CORBA objects in CFML applications
    17. Use external resources
      1. Send and receive e-mail
      2. Interact with Microsoft Exchange servers
      3. Interact with remote servers
      4. Manage files on the server
      5. Use event gateways
      6. Create custom event gateways
      7. Use the ColdFusion extensions for Eclipse
      8. Use the data services messaging event gateway
      9. Use the data management event gateway
      10. Use the FMS event gateway
      11. Use the instant messaging event gateways
      12. Use the SMS event gateway

 

 

public abstract interface Response

Interface to response generated from a custom tag. This interface includes methods for writing output, generating queries, and setting variables in the calling page.

Methods

Returns

Syntax

Description

Query

addQuery(String name, String[] columns)

Adds a query to the calling template.

void

SetVariable(String name{{, String}} value)

Sets a variable in the calling template.

void

write(String output)

Outputs text back to the user.

void

writeDebug(String output)

Writes text output into the debug stream.

addQuery

Description

Adds a query to the calling template. The query can be accessed by CFML tags in the template. After calling addQuery, the query is empty (it has 0 rows). To populate the query with data, call the Query methods addRow and setData. Returns the Query that was added to the template.

Category

Response interface

Syntax

public Query addQuery(String name, String[] columns)

Throws

  • IllegalArgumentException If the name parameter is not a valid CFML variable name.

See also

addRow, setData

Parameters

Parameter

Description

name

The name of the query to add to the template

columns

The column names to use in the query

Example

The following example adds a query named People to the calling template. The query has two columns (FirstName and LastName) and two rows:

// Create string array with column names (also track columns indexes)
String[] columns = { "FirstName", "LastName" } ;
int iFirstName = 1, iLastName = 2 ;

// Create a query which contains these columns
Query query = response.addQuery( "People", columns ) ;

// Add data to the query
int iRow = query.addRow() ;
query.setData( iRow, iFirstName, "John" ) ;
query.setData( iRow, iLastName, "Smith" ) ;
iRow = query.addRow() ;
query.setData( iRow, iFirstName, "Jane" ) ;
query.setData( iRow, iLastName, "Doe" ) ;

setVariable

Description

Sets a variable in the calling template. If the variable name specified exists in the template, its value is replaced. If it does not exist, a new variable is created.

Category

Response interface

Syntax

public void setVariable(String name, String value)

Throws

  • IllegalArgumentException If the name parameter is not a valid CFML variable name.

Parameters

Parameter

Description

name

The name of the variable to set

value

The value to set the variable to

Example

For example, this code sets the value of a variable named MessageSent based on the success of an operation performed by the custom tag:

boolean bMessageSent ;

...attempt to send the message...

if ( bMessageSent == true )
{
response.setVariable( "MessageSent", "Yes" ) ;
}
else
{
response.setVariable( "MessageSent", "No" ) ;
}

write

Description

Outputs text back to the user.

Category

Response interface

Syntax

public void write(String output)

Parameters

Parameter

Description

output

Text to output

Example

The following example outputs the value of the DESTINATION attribute:

response.write( "DESTINATION = " +
request.getAttribute("DESTINATION") ) ;

writeDebug

Description

Writes text output into the debug stream. This text is displayed to the end-user only if the tag contains the debug attribute (check for this attribute using the Request.debug method).

Category

Response interface

Syntax

public void writeDebug(String output)

See also

debug

Parameters

Parameter

Description

output

The text to output

Example

The following example checks whether the debug attribute is present; if so, it writes a brief debug message:

if ( request.debug() )
{
response.writeDebug( "debug info" ) ;
}
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