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public interface: Block [javadoc | source]

All Known Implementing Classes:
    RenderableAsBlock, BlockImpl, PlaceholderBlock

A block is a collection of static text and elements, and components, derived from a component template. In the template, a block is demarcated using the <t:block> or <t:parameter> elements. The interface defines no methods, but the provided implementations of Block are capable of rendering their contents on demand.

Tapestry includes coecions from String to org.apache.tapestry5.Renderable and org.apache.tapestry5.Renderable to Block. This means that components that take Block parameters may be bound to literal strings, to arbitrary numbers (or other objects, with the expectation that they will be converted to strings), or to renderable objects such as components.