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An application component provider is an individual who develops components for JEE applications, such as Web components, enterprise beans, applets and application clients. The application component provider is a component and business domain expert who fills the roles of HTML designer, document programmer and Enterprise JavaBeans developer.
The application component provider’s tools are developed by the tool provider. In application development and deployment, J2EE specifies different roles, which may be handled by the same or different individuals, depending on the organization’s size. J2EE architecture roles are product provider, tool provider, application component provider, application assembler and deployer.
The application component provider develops J2EE components after the software is purchased and installed by the product and tool providers. The assembler assembles the components, and the deployer deploys them.
J2EE’s declarative application security structure is described in a deployment descriptor. The application assembler and application component provider are responsible for describing the deployment descriptor, where the security policy is mapped to the operating environment’s security structure.