Example usage for org.apache.commons.chain CatalogFactory getCatalog

Introduction

In this page you can find the example usage for org.apache.commons.chain CatalogFactory getCatalog.

Prototype

public abstract Catalog getCatalog(String name);

Source Link

Document

Retrieves a Catalog instance by name (if any); otherwise return null.

Usage

From source file:com.liulangf.pattern.gof.behavioral.chain.jakarta.simple.ExampleServlet.java

/**
 * <p>Configure a {@link ServletWebContext} for the current request, and
 * pass it to the <code>execute()</code> method of the specified
 * {@link Command}, loaded from our configured {@link Catalog}.</p>
 *
 * @param request The request we are processing
 * @param response The response we are creating
 *
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet exception occurs
 *//*from ww  w .  ja  v a  2s.c o  m*/
public void service(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    CatalogFactory factory = CatalogFactory.getInstance();
    Catalog catalog = factory.getCatalog(servletName);
    if (catalog == null) {
        catalog = factory.getCatalog();
    }

    ServletWebContext context = new ServletWebContext(getServletContext(), request, response);
    Command command = catalog.getCommand("COMMAND_MAPPER");
    try {
        command.execute(context);
    } catch (Exception e) {
        throw new ServletException(e);
    }

}

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From source file:net.jradius.handler.EventHandlerChain.java

public Catalog getCatalog() {
    if (this.catalog == null) {
        CatalogFactory factory = CatalogFactory.getInstance();
        this.catalog = factory.getCatalog(getCatalogName());
        if (this.catalog == null) {
            RadiusLog.error("Unknown catalog named: " + getCatalogName());
        }//w w w .  jav  a2  s.  co  m
    }
    return this.catalog;
}

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