Zend/Gdata/App.php

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Zend Framework

LICENSE

This source file is subject to the new BSD license that is bundled with this package in the file LICENSE.txt. It is also available through the world-wide-web at this URL: http://framework.zend.com/license/new-bsd If you did not receive a copy of the license and are unable to obtain it through the world-wide-web, please send an email to license@zend.com so we can send you a copy immediately.

Category: Zend
Copyright: Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License
Package: Zend_Gdata
Subpackage: App
Version: $Id: App.php 24594 2012-01-05 21:27:01Z matthew $

\Zend_Gdata_App
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Package: Zend\Gdata\App

Provides Atom Publishing Protocol (APP) functionality. This class and all other components of Zend_Gdata_App are designed to work independently from other Zend_Gdata components in order to interact with generic APP services.

Children: \Zend_Gdata
Category: Zend
Copyright: Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
License: New BSD License

Constants

 
                DEFAULT_MAJOR_PROTOCOL_VERSION
                = 1

Default major protocol version.

See: \_majorProtocolVersion

 
                DEFAULT_MINOR_PROTOCOL_VERSION
                = null

Default minor protocol version.

See: \_minorProtocolVersion

Properties

string
                 $_defaultPostUri= 'null'

Default URI to which to POST.

Default valuenullDetails

Type: string

boolean
                 $_gzipEnabled= 'false'

static

Enable gzipped responses?

Default valuefalseDetails

Type: boolean

\Zend_Http_Client
                 $_httpClient= ''

Client object used to communicate

Details

Type: \Zend_Http_Client

boolean
                 $_httpMethodOverride= 'false'

static

Override HTTP PUT and DELETE request methods?

Default valuefalseDetails

Type: boolean


                 $_majorProtocolVersion= ''

Indicates the major protocol version that should be used.

At present, recognized values are either 1 or 2. However, any integer value >= 1 is considered valid.

Under most circumtances, this will be automatically set by Zend_Gdata_App subclasses.

Details

Type
See: \setMajorProtocolVersion()
See: \getMajorProtocolVersion()

int
                 $_maxRedirects= '5'

static

Maximum number of redirects to follow during HTTP operations

Default value5Details

Type: int


                 $_minorProtocolVersion= ''

Indicates the minor protocol version that should be used. Can be set to either an integer >= 0, or NULL if no minor version should be sent to the server.

At present, this field is not used by any Google services, but may be used in the future.

Under most circumtances, this will be automatically set by Zend_Gdata_App subclasses.

Details

Type
See: \setMinorProtocolVersion()
See: \getMinorProtocolVersion()

array
                 $_registeredPackages= 'array(
            'Zend_Gdata_App_Extension''

Packages to search for classes when using magic __call method, in order.

Default value

array(
            'Zend_Gdata_App_Extension'

Details

Type: array

\Zend_Http_Client
                 $_staticHttpClient= 'null'

static

Client object used to communicate in static context

Default valuenullDetails

Type: \Zend_Http_Client

boolean
                 $_useObjectMapping= 'true'

Whether we want to use XML to object mapping when fetching data.

Default valuetrueDetails

Type: boolean

boolean
                 $_verboseExceptionMessages= 'true'

static

Use verbose exception messages. In the case of HTTP errors, use the body of the HTTP response in the exception message.

Default valuetrueDetails

Type: boolean

Methods

__call(
          string $method, array $args
          )
        
        :
          void

Provides a magic factory method to instantiate new objects with shorter syntax than would otherwise be required by the Zend Framework naming conventions. For instance, to construct a new Zend_Gdata_Calendar_Extension_Color, a developer simply needs to do $gCal->newColor(). For this magic constructor, packages are searched in the same order as which they appear in the $_registeredPackages array

Parameters

Name	Type	Description
$method	string	The method name being called
$args	array	The arguments passed to the call

Throws

Exception	Description
\Zend_Gdata_App_Exception

__construct(
          \Zend_Http_Client $client
              =
              null, string $applicationId
              =
              'MyCompany-MyApp-1.0'
          )
        
        :
          void

Create Gdata object

Parameters

Name	Type	Description
$client	\Zend_Http_Client
$applicationId	string

delete(
          mixed $data,  $remainingRedirects
              =
              null
          )
        
        :
          void

DELETE entry with client object

Parameters

Name	Type	Description
$data	mixed	The Zend_Gdata_App_Entry or URL to delete
$remainingRedirects

Throws

Exception	Description
\Zend_Gdata_App_Exception
\Zend_Gdata_App_HttpException
\Zend_Gdata_App_InvalidArgumentException

enableRequestDebugLogging(
          string $logfile
          )
        
        :
          void

This method enables logging of requests by changing the Zend_Http_Client_Adapter used for performing the requests.

NOTE: This will not work if you have customized the adapter already to use a proxy server or other interface.

Parameters

Name	Type	Description
$logfile	string	The logfile to use when logging the requests

generateIfMatchHeaderData(
           $data,  $allowWeek
          )
        
        :
          string|null

Returns the data for an If-Match header based on the current Etag property. If Etags are not supported by the server or cannot be extracted from the data, then null will be returned.

Parameters

Name	Type	Description
$data
$allowWeek

Returns

Type	Description
string\|null	$data

get(
          string $uri, array $extraHeaders
              =
              array()
          )
        
        :
          \Zend_Http_Response

GET a URI using client object.

Parameters

Name	Type	Description
$uri	string	GET URI
$extraHeaders	array	Extra headers to add to the request, as an array of string-based key/value pairs.

Returns

Type	Description
\Zend_Http_Response

Throws

Exception	Description
\Zend_Gdata_App_HttpException

getEntry(
          string $uri, string $className
              =
              'Zend_Gdata_App_Entry'
          )
        
        :
          string|\Zend_Gdata_App_Entry

Retrieve entry as string or object

Parameters

Name	Type	Description
$uri	string
$className	string	The class which is used as the return type

Returns

Type	Description
string\|\Zend_Gdata_App_Entry	Returns string only if the object mapping has been disabled explicitly by passing false to the useObjectMapping() function.

getFeed(
          string $uri, string $className
              =
              'Zend_Gdata_App_Feed'
          )
        
        :
          string|\Zend_Gdata_App_Feed

Retrieve feed as string or object

Parameters

Name	Type	Description
$uri	string	The uri from which to retrieve the feed
$className	string	The class which is used as the return type

Returns

Type	Description
string\|\Zend_Gdata_App_Feed	Returns string only if the object mapping has been disabled explicitly by passing false to the useObjectMapping() function.

getGzipEnabled(
          
          )
        
        :
          boolean

static

Get the HTTP override state

Returns

Type	Description
boolean

getHttpClient(
          
          )
        
        :
          \Zend_Http_Client

Get the Zend_Http_Client object used for communication

Returns

Type	Description
\Zend_Http_Client

getHttpMethodOverride(
          
          )
        
        :
          boolean

static

Get the HTTP override state

Returns

Type	Description
boolean

getMajorProtocolVersion(
          
          )
        
        :
          int

Get the major protocol version that is in use.

Returns

Type	Description
int	The major protocol version in use.

Details

See: \_majorProtocolVersion

getMaxRedirects(
          
          )
        
        :
          int

static

Get the maximum number of redirects to follow during HTTP operations

Returns

Type	Description
int	Maximum number of redirects to follow

getMinorProtocolVersion(
          
          )
        
        :
          \(int|\NULL)

Get the minor protocol version that is in use.

Returns

Type	Description
\(int\|\NULL)	The major protocol version in use, or NULL if no minor version is specified.

Details

See: \_minorProtocolVersion

getNextFeed(
          \Zend_Gdata_App_Feed $feed, string $className
              =
              null
          )
        
        :
          \Zend_Gdata_App_Feed|null

Retrieve next set of results based on a given feed.

Parameters

Name	Type	Description
$feed	\Zend_Gdata_App_Feed	The feed from which to retreive the next set of results.
$className	string	(optional) The class of feed to be returned. If null, the next feed (if found) will be the same class as the feed that was given as the first argument.

Returns

Type	Description
\Zend_Gdata_App_Feed\|null	Returns a Zend_Gdata_App_Feed or null if no next set of results exists.

getPreviousFeed(
          \Zend_Gdata_App_Feed $feed, string $className
              =
              null
          )
        
        :
          \Zend_Gdata_App_Feed|null

Retrieve previous set of results based on a given feed.

Parameters

Name	Type	Description
$feed	\Zend_Gdata_App_Feed	The feed from which to retreive the previous set of results.
$className	string	(optional) The class of feed to be returned. If null, the previous feed (if found) will be the same class as the feed that was given as the first argument.

Returns

Type	Description
\Zend_Gdata_App_Feed\|null	Returns a Zend_Gdata_App_Feed or null if no previous set of results exists.

getStaticHttpClient(
          
          )
        
        :
          \Zend_Http_Client

static

Gets the HTTP client object. If none is set, a new Zend_Http_Client will be used.

Returns

Type	Description
\Zend_Http_Client

getVerboseExceptionMessages(
          
          )
        
        :
          boolean

static

Get whether to use verbose exception messages

In the case of HTTP errors, use the body of the HTTP response in the exception message.

Returns

Type	Description
boolean

import(
          string $uri, \Zend_Http_Client $client
              =
              null, string $className
              =
              'Zend_Gdata_App_Feed'
          )
        
        :
          string|\Zend_Gdata_App_Feed

static

Imports a feed located at $uri.

Parameters

Name	Type	Description
$uri	string
$client	\Zend_Http_Client	The client used for communication
$className	string	The class which is used as the return type

Returns

Type	Description
string\|\Zend_Gdata_App_Feed	Returns string only if the object mapping has been disabled explicitly by passing false to the useObjectMapping() function.

Throws

Exception	Description
\Zend_Gdata_App_Exception

importFile(
          string $filename, string $className
              =
              'Zend_Gdata_App_Feed', string $useIncludePath
              =
              false
          )
        
        :
          \Zend_Gdata_App_Feed

static

Imports a feed from a file located at $filename.

Parameters

Name	Type	Description
$filename	string
$className	string	The class which is used as the return type
$useIncludePath	string	Whether the include_path should be searched

Returns

Type	Description
\Zend_Gdata_App_Feed

Throws

Exception	Description
\Zend_Gdata_App_Exception

importString(
          string $string, string $className
              =
              'Zend_Gdata_App_Feed',  $majorProtocolVersion
              =
              null,  $minorProtocolVersion
              =
              null
          )
        
        :
          \Zend_Gdata_App_Feed

static

Imports a feed represented by $string.

Parameters

Name	Type	Description
$string	string
$className	string	The class which is used as the return type
$majorProtocolVersion
$minorProtocolVersion

Returns

Type	Description
\Zend_Gdata_App_Feed

Throws

Exception	Description
\Zend_Gdata_App_Exception

importUrl(
          string $url, string $className
              =
              'Zend_Gdata_App_Feed', array $extraHeaders
              =
              array()
          )
        
        :
          string|\Zend_Gdata_App_Feed

Imports the specified URL (non-statically).

Parameters

Name	Type	Description
$url	string	The URL to import
$className	string	The class which is used as the return type
$extraHeaders	array	Extra headers to add to the request, as an array of string-based key/value pairs.

Returns

Type	Description
string\|\Zend_Gdata_App_Feed	Returns string only if the object mapping has been disabled explicitly by passing false to the useObjectMapping() function.

Throws

Exception	Description
\Zend_Gdata_App_Exception

insertEntry(
          mixed $data, string $uri, string $className
              =
              'Zend_Gdata_App_Entry', array $extraHeaders
              =
              array()
          )
        
        :
          \Zend_Gdata_App_Entry

Inserts an entry to a given URI and returns the response as a fully formed Entry.

Parameters

Name	Type	Description
$data	mixed	The Zend_Gdata_App_Entry or XML to post
$uri	string	POST URI
$className	string	The class of entry to be returned.
$extraHeaders	array	Extra headers to add to the request, as an array of string-based key/value pairs.

Returns

Type	Description
\Zend_Gdata_App_Entry	The entry returned by the service after insertion.

performHttpRequest(
          string $method, string $url, array $headers
              =
              null, string $body
              =
              null, string $contentType
              =
              null, int $remainingRedirects
              =
              null
          )
        
        :
          \Zend_Http_Response

Performs a HTTP request using the specified method

Parameters

Name	Type	Description
$method	string	The HTTP method for the request - 'GET', 'POST', 'PUT', 'DELETE'
$url	string	The URL to which this request is being performed
$headers	array	An associative array of HTTP headers for this request
$body	string	The body of the HTTP request
$contentType	string	The value for the content type of the request body
$remainingRedirects	int	Number of redirects to follow if request s results in one

Returns

Type	Description
\Zend_Http_Response	The response object

post(
          mixed $data, string $uri
              =
              null,  $remainingRedirects
              =
              null, string $contentType
              =
              null, array $extraHeaders
              =
              null
          )
        
        :
          \Zend_Http_Response

POST data with client object

Parameters

Name	Type	Description
$data	mixed	The Zend_Gdata_App_Entry or XML to post
$uri	string	POST URI
$remainingRedirects
$contentType	string	Content-type of the data
$extraHeaders	array	Extra headers to add to the request, as an array of string-based key/value pairs.

Returns

Type	Description
\Zend_Http_Response

Throws

Exception	Description
\Zend_Gdata_App_Exception
\Zend_Gdata_App_HttpException
\Zend_Gdata_App_InvalidArgumentException

prepareRequest(
          string $method, string $url
              =
              null, array $headers
              =
              array(), mixed $data
              =
              null, string $contentTypeOverride
              =
              null
          )
        
        :
          array

Provides pre-processing for HTTP requests to APP services.

Checks the $data element and, if it's an entry, extracts the XML, multipart data, edit link (PUT,DELETE), etc.
If $data is a string, sets the default content-type header as 'application/atom+xml' if it's not already been set.
Adds a x-http-method override header and changes the HTTP method to 'POST' if necessary as per getHttpMethodOverride()

Parameters

Name	Type	Description
$method	string	The HTTP method for the request - 'GET', 'POST', 'PUT', 'DELETE'
$url	string	The URL to which this request is being performed, or null if found in $data
$headers	array	An associative array of HTTP headers for this request
$data	mixed	The Zend_Gdata_App_Entry or XML for the body of the request
$contentTypeOverride	string	The override value for the content type of the request body

Returns

Type	Description
array	An associative array containing the determined 'method', 'url', 'data', 'headers', 'contentType'

put(
          mixed $data, string $uri
              =
              null,  $remainingRedirects
              =
              null, string $contentType
              =
              null, array $extraHeaders
              =
              null
          )
        
        :
          \Zend_Http_Response

PUT data with client object

Parameters

Name	Type	Description
$data	mixed	The Zend_Gdata_App_Entry or XML to post
$uri	string	PUT URI
$remainingRedirects
$contentType	string	Content-type of the data
$extraHeaders	array	Extra headers to add to the request, as an array of string-based key/value pairs.

Returns

Type	Description
\Zend_Http_Response

Throws

Exception	Description
\Zend_Gdata_App_Exception
\Zend_Gdata_App_HttpException
\Zend_Gdata_App_InvalidArgumentException

registerPackage(
          string $name
          )
        
        :
          void

Adds a Zend Framework package to the $_registeredPackages array.

This array is searched when using the magic __call method below to instantiante new objects.

Parameters

Name	Type	Description
$name	string	The name of the package (eg Zend_Gdata_App)

retrieveAllEntriesForFeed(
          object $feed
          )
        
        :
          mixed

Retrieve all entries for a feed, iterating through pages as necessary.

Be aware that calling this function on a large dataset will take a significant amount of time to complete. In some cases this may cause execution to timeout without proper precautions in place.

Parameters

Name	Type	Description
$feed	object	The feed to iterate through.

Returns

Type	Description
mixed	A new feed of the same type as the one originally passed in, containing all relevent entries.

setGzipEnabled(
          boolean $enabled
              =
              false
          )
        
        :
          void

static

Toggle requesting gzip encoded responses

Parameters

Name	Type	Description
$enabled	boolean	Whether or not to enable gzipped responses

setHttpClient(
          \Zend_Http_Client $client,  $applicationId
              =
              'MyCompany-MyApp-1.0'
          )
        
        :
          \Zend_Gdata_App

Set the Zend_Http_Client object used for communication

Parameters

Name	Type	Description
$client	\Zend_Http_Client	The client to use for communication
$applicationId

Returns

Type	Description
\Zend_Gdata_App	Provides a fluent interface

Throws

Exception	Description
\Zend_Gdata_App_HttpException

setHttpMethodOverride(
          boolean $override
              =
              true
          )
        
        :
          void

static

Toggle using POST instead of PUT and DELETE HTTP methods

Some feed implementations do not accept PUT and DELETE HTTP methods, or they can't be used because of proxies or other measures. This allows turning on using POST where PUT and DELETE would normally be used; in addition, an X-Method-Override header will be sent with a value of PUT or DELETE as appropriate.

Parameters

Name	Type	Description
$override	boolean	Whether to override PUT and DELETE with POST.

setMajorProtocolVersion(
          int $value
          )
        
        :
          void

Set the major protocol version that should be used. Values < 1 will cause a Zend_Gdata_App_InvalidArgumentException to be thrown.

Parameters

Name	Type	Description
$value	int	The major protocol version to use.

Throws

Exception	Description
\Zend_Gdata_App_InvalidArgumentException

Details

See: \_majorProtocolVersion

setMaxRedirects(
          int $maxRedirects
          )
        
        :
          void

static

Set the maximum number of redirects to follow during HTTP operations

Parameters

Name	Type	Description
$maxRedirects	int	Maximum number of redirects to follow

setMinorProtocolVersion(
          \(int|\NULL) $value
          )
        
        :
          void

Set the minor protocol version that should be used. If set to NULL, no minor protocol version will be sent to the server. Values < 0 will cause a Zend_Gdata_App_InvalidArgumentException to be thrown.

Parameters

Name	Type	Description
$value	\(int\|\NULL)	The minor protocol version to use.

Throws

Exception	Description
\Zend_Gdata_App_InvalidArgumentException

Details

See: \_minorProtocolVersion

setStaticHttpClient(
          \Zend_Http_Client $httpClient
          )
        
        :
          void

static

Set the static HTTP client instance

Sets the static HTTP client object to use for retrieving the feed.

Parameters

Name	Type	Description
$httpClient	\Zend_Http_Client

setVerboseExceptionMessages(
          boolean $verbose
          )
        
        :
          void

static

Set whether to use verbose exception messages

In the case of HTTP errors, use the body of the HTTP response in the exception message.

Parameters

Name	Type	Description
$verbose	boolean	Whether to use verbose exception messages

updateEntry(
          mixed $data, string|null $uri
              =
              null, string|null $className
              =
              null, array $extraHeaders
              =
              array()
          )
        
        :
          \Zend_Gdata_App_Entry

Update an entry

Parameters

Name	Type	Description
$data	mixed	Zend_Gdata_App_Entry or XML (w/ID and link rel='edit')
$uri	string\|null	The URI to send requests to, or null if $data contains the URI.
$className	string\|null	The name of the class that should be deserialized from the server response. If null, then 'Zend_Gdata_App_Entry' will be used.
$extraHeaders	array	Extra headers to add to the request, as an array of string-based key/value pairs.

Returns

Type	Description
\Zend_Gdata_App_Entry	The entry returned from the server

Throws

Exception	Description
\Zend_Gdata_App_Exception

useObjectMapping(
          boolean $value
          )
        
        :
          void

Enable/disable the use of XML to object mapping.

Parameters

Name	Type	Description
$value	boolean	Pass in true to use the XML to object mapping. Pass in false or null to disable it.

usingObjectMapping(
          
          )
        
        :
          boolean

Determine whether service object is using XML to object mapping.

Returns

Type	Description
boolean	True if service object is using XML to object mapping, false otherwise.

API Documentation

Zend/Gdata/App.php

\Zend_Gdata_Appjump to top

Constants

Properties

Methods

\Zend_Gdata_App
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