Using the TUrlMapping module different URLs can be +
Using the TUrlMapping module different URLs can be mapped into any existing Prado pages or services. This allows the application to use nice looking and friendly URLs.
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The TUrlMapping module allows aributary URL path to be mapped to a particular service and page class. This module must be configured before a service is initialized, thus this module should be configured @@ -25,9 +25,9 @@ This usually means delcaring the TUrlMapping module before any Specifying the mappings in the per directory config.xml is not supported. -
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To use TUrlMapping, one must set the UrlManager property of the THttpRequest module as the TUrlMapping module ID. See following for an example,
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The above example is part of the application configuration of the blog demo in the PRADO release. It enables recognition of the following URL formats:
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The ServiceParameter and ServiceID (the default ID is 'page') set the service parameter and service ID, respectively, of the Request module. The service parameter for the TPageService service is the Page class name, e.g., for an URL "index.php?page=Home", "page" is the service ID and the service parameter is "Home". Other services may use the service parameter and ID differently. See Services for further details.
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TUrlMapping enables recognition of customized URL formats based on a list prespecified of URL patterns. Each pattern is specified in a <url> tag.
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The Pattern and Parameters attribute
values are regular expression patterns that
determine the mapping criteria. The Pattern property takes
@@ -65,20 +65,20 @@ a regular expression with parameter names enclosed between a left brace '{}'. The pattens for each parameter can be set
using Parametersattribute collection.
For example,
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In the above example, the pattern contains 3 parameters named "year", "month" and "day". The pattern for these parameters are, respectively, "\d{4}" (4 digits), "\d{2}" (2 digits) @@ -92,7 +92,7 @@ to form a complete regular expression string. property you need to escape the slash in regular expressions. -
Following from the above pattern example, +
Following from the above pattern example, an URL "http://example.com/index.php/articles/2006/07/21" will be matched and valid. However, "http://example.com/index.php/articles/2006/07/hello" is not valid since the "day" parameter pattern is not satisfied. @@ -101,19 +101,19 @@ and valid. However, "http://example.com/index.php/articles/2006/07/hello/index.php/articles/2006/07/21" portion of the URL is considered.
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The mapped request URL is equivalent to index.php?page=ArticleView&year=2006&month=07&day=21. The request parameter values are available through the standard Request object. For example, $this->Request['year'].
-The URL mapping are evaluated in order they are place and only the first mapping that matches +
The URL mapping are evaluated in order they are place and only the first mapping that matches the URL will be used. Cascaded mapping can be achieved by placing the URL mappings in particular order. For example, placing the most specific mappings first.
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Since version 3.0.6, TUrlMapping starts to support constructing customized URL formats. This is achieved by allowing users to extend TUrlMapping class and override the constructUrl method. In the applications, users can still use THttpRequest.constructUrl() or TPageService.constructUrl() to generate PRADO-recognizable URLS. The actual URL construction work is ultimately delegated to the TUrlMapping.constructUrl(), provided it is implemented.
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