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5.3 THE OBJ.CONF FILE use vs .net code 128 creation toinsert code 128 for .net NETMF conditions. Example Code 128C for .NET 5.

4 demonstrates various objects that are de ned as part of the default object con guration le. One of the most common attributes for the <Object> tag is the name attribute, which uniquely identi es the object within the con guration le. The syntax for objects that use the name attribute is as follows:.

<Object name= objectname > directives </Object> The object con gurat visual .net USS Code 128 ion le contains a default object that tells the instance how to process requests by default..

<Object name= default > directives </Object> The object con gurat barcode standards 128 for .NET ion le can contain objects that are executed only when certain conditions are true for a particular NameTrans directive. Two such conditions involve the use of additional named objects or ppath objects.

. Named Object Processing One such example of .net framework barcode code 128 conditional processing is the use of the optional name attribute in the NameTrans directive. Assume that a client is requesting the following URL:. During request proce Visual Studio .NET Code 128 Code Set A ssing, the server evaluates each NameTrans directive in the default object in an attempt to locate a match. In this case, the second directive is matched because the URI begins with /mc-icons.

. NameTrans fn= ntrans -j2ee name= j2ee NameTrans fn= pfx2dir from= /mc-icons dir= /opt/webserver7/lib/ icons name= es-internal . The server then determines whether a directive. name attribute has been speci ed for the NameTrans fn= pfx2dir from= /mc-icons dir= /opt/webserver7/lib/ icons name= es-internal CHAPTER 5 WEB SERVER 7.0 CONFIGURATION FILES If the directive spe ci es a name attribute, the value of the attribute points to another object that contains additional directives that should be used for processing the request.. <Object name= es-internal > directives </Object> Any directives found in the additional object are processed prior to those found in the default object for the particular stage being processed.. Note: Request processing is discussed in more detail in 6. ppath Object Processing Another example of conditional processing is the use of the ppath (partial path) object. <Object ppath= path > directives </Object> The ppath object ena Code 128 Code Set C for .NET bles you to specify a path to a document or resource where directives contained in the object are executed only if the path to the resource can be found beneath the location speci ed in the ppath value. For example, suppose you specify a ppath object as follows:.

<Object ppath= /opt/webserver7/ private/* > directives </Object> During the processin visual .net Code128 g of the NameTrans directive, if it is determined that the resource can be found beneath the /opt/webserver7/https-www.example.

com/ docs/private/ directory, then any directives found within this ppath object are processed prior to those found in the default object. In general, the server always starts processing requests with the default object and may process directives in other objects based on conditions within the. 5.3 THE OBJ.CONF FILE NameTrans directive. Each new object added to the object con guration le has the potential to modify the default object s behavior. Variables SAF parameters can c ontain references to variables and expressions. The variables can be prede ned variables, variables de ned at request time using the setvariable SAF, or variables de ned in the server.xml le.

. Note: The set-variab visual .net ANSI/AIM Code 128 le SAF allows the dynamic creation of variables during request processing. This can be a very powerful feature, but it also can be somewhat confusing because unde ned variables are not reported until they are used (during request time).

. Within the server.xm l le itself, a variable can be de ned at various levels (for example, <server> and <virtual-server>). As such, the server must have a method for resolving duplicate variable de nitions.

The server consults the following namespaces (in the following order) when attempting to resolve a variable: 1. 2. 3.

4. Prede ned variables Variables de ned at request time through the use of the set-variable SAF Virtual Server speci c variables de ned at the <virtual-server> level Server variables de ned at the <server> level. Web Server variables .net framework barcode standards 128 begin with a dollar sign character ($), followed by either upper- or lowercase letters as the next character. Subsequent characters can include any combination of upper- or lowercase alphanumeric characters or underscores (_).

A regular expression notation for variable syntax would be as follows:. \$[A-Za-z][A-Za-z0-9_]*. Examples of valid va .net framework Code 128 Code Set B riable names include $variable, $Variable, $var_iable, or $var9. Examples of invalid variable names include $_variable and $9variable.

. CHAPTER 5 WEB SERVER 7.0 CONFIGURATION FILES 5.3.3 Context The server.xml le c ontains de nitions for each virtual server contained within the instance, so there is a one-to-many relationship between the server.xml le and virtual servers.

Each virtual server can use a different object con guration le for processing requests. Therefore, there is a one-to-many relationship between an instance and the object con guration le(s), but there is a one-to-one relationship between the virtual server and its object con guration le..

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