Package org.apache.struts.tiles

Class ComponentContext

java.lang.Object
org.apache.struts.tiles.ComponentContext
All Implemented Interfaces:
Serializable
public class ComponentContext extends Object implements Serializable
Component context.
See Also:

  • Constructor Details

    • ComponentContext

      public ComponentContext()
      Constructor.

    • ComponentContext

      public ComponentContext(Map<String,Object> attributes)
      Constructor. Create a context and set specified attributes.
      Parameters:
      attributes - Attributes to initialize context.

  • Method Details

    • addAll

      public void addAll(Map<String,Object> newAttributes)
      Add all attributes to this context. Copies all of the mappings from the specified attribute map to this context. New attribute mappings will replace any mappings that this context had for any of the keys currently in the specified attribute map.
      Parameters:
      newAttributes - Attributes to add.

    • addMissing

      public void addMissing(Map<String,Object> defaultAttributes)
      Add all missing attributes to this context. Copies all of the mappings from the specified attributes map to this context. New attribute mappings will be added only if they don't already exist in this context.
      Parameters:
      defaultAttributes - Attributes to add.

    • getAttribute

      public Object getAttribute(String name)
      Get an attribute from context.
      Parameters:
      name - Name of the attribute.
      Returns:
      the value of the attribute

    • getAttributeNames

      public Iterator<String> getAttributeNames()
      Get names of all attributes.
      Returns:
      iterator with all attribute-names

    • putAttribute

      public void putAttribute(String name, Object value)
      Put a new attribute to context.
      Parameters:
      name - Name of the attribute.
      value - Value of the attribute.

    • findAttribute

      public Object findAttribute(String beanName, PageContext pageContext)
      Find object in one of the contexts. Order : component then pageContext.findAttribute()
      Parameters:
      beanName - Name of the bean to find.
      pageContext - Page context.
      Returns:
      Requested bean or null if not found.

    • getAttribute

      public Object getAttribute(String beanName, int scope, PageContext pageContext)
      Get object from requested context. Context can be 'component'.
      Parameters:
      beanName - Name of the bean to find.
      scope - Search scope (see PageContext).
      pageContext - Page context.
      Returns:
      requested bean or null if not found.

    • getContext

      public static ComponentContext getContext(ServletRequest request)
      Get component context from request.
      Parameters:
      request - ServletRequest.
      Returns:
      ComponentContext or null if context is not found or an jspException is present in the request.

    • setContext

      public static void setContext(ComponentContext context, ServletRequest request)
      Store component context into request.
      Parameters:
      context - ComponentContext to store.
      request - Request to store ComponentContext.