Google Search Appliance OneBox for Enterprise Developers Uživatelský manuál stáhnout pdf (Strana 11)

Google Search Appliance: Google OneBox for Enterprise Developer’s Guide 11

• The regular expression

(?i)([a-z]+) airport(?: (?:status|delays?|conditions))?

matches queries such as the following:

•

lax airport conditions

•

SFO airport delays

•

newark airport status

A regular expression provides great flexibility, but you must ensure that a search appliance rapidly

evaluates the expression so as not to degrade performance during searches. Note that the regular

expression language used by OneBox triggers is not the same as the Google regular expressions that a

search appliance uses for URL patterns.

Specifying and Calling a Provider

A OneBox provider can be internal or external. An internal provider is a collection on a search

appliance. An external provider is an application outside a search appliance.

Using an Internal Provider

To use an internal provider, specify the

element (see the element “collection” on page 24)

and use the name of the collection as defined on a search appliance. The following example specifies an

internal provider using the

InternalNews

collection for the

news

trigger:

<description>This sample OneBox queries an intranet news source</description>

<collection>InternalNews</collection>

</onebox>

Using an External Provider

To specify an external provider, use the

element (see the element “providerURL” on

page 24) to specify the location of an external provider with the following guidelines:

• For standard providers, use a fully qualified URL such as:

http://server.mydomain.com:port/directory/...

• For secure providers, use a fully qualified secure (HTTPS) URL such as:

https://secure.server.mydomain.com:port/directory/...

The following example specifies

Acme.com

as the external provider for the

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Google Search Appliance OneBox for Enterprise Developers Uživatelský manuál Strana 11