HttpServiceImpl.java

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package com.sun.grizzly.osgi.httpservice;

import com.sun.grizzly.osgi.httpservice.util.Logger;
import org.osgi.framework.Bundle;
import org.osgi.service.http.HttpContext;
import org.osgi.service.http.HttpService;
import org.osgi.service.http.NamespaceException;

import javax.servlet.Servlet;
import javax.servlet.ServletException;
import java.util.Dictionary;

/**
 * Grizzly OSGi HttpService implementation.
 *
 * @author Hubert Iwaniuk
 * @since Jan 20, 2009
 */
public class HttpServiceImpl implements HttpService {
    private final Logger logger;
    private final Bundle bundle;
    final OSGiMainAdapter mainAdapter;

    /**
     * {@link HttpService} constructor.
     *
     * @param bundle {@link org.osgi.framework.Bundle} that got this instance of {@link org.osgi.service.http.HttpService}.
     * @param logger {@link com.sun.grizzly.osgi.httpservice.util.Logger} utility to be used here.
     */
    public HttpServiceImpl(
            Bundle bundle, final Logger logger) {
        this.bundle = bundle;
        this.logger = logger;
        mainAdapter = new OSGiMainAdapter(logger, bundle);
    }

    /**
     * {@inheritDoc}
     */
    public HttpContext createDefaultHttpContext() {
        return new HttpContextImpl(bundle);
    }

    /**
     * {@inheritDoc}
     */
    public void registerServlet(
            final String alias, final Servlet servlet, final Dictionary initparams, HttpContext httpContext)
            throws ServletException, NamespaceException {

        logger.info(
                new StringBuilder(128).append("Registering servlet: ").append(servlet).append(", under: ").append(alias)
                        .append(", with: ").append(initparams).append(" and context: ").append(httpContext).toString());

        mainAdapter.registerServletAdapter(alias, servlet, initparams, httpContext, this);
    }

    /**
     * {@inheritDoc}
     */
    public void registerResources(final String alias, String prefix, HttpContext httpContext)
            throws NamespaceException {

        logger.info(
                new StringBuilder(128).append("Registering resource: alias: ").append(alias).append(", prefix: ")
                        .append(prefix).append(" and context: ").append(httpContext).toString());

        mainAdapter.registerResourceAdapter(alias, httpContext, prefix, this);
    }

    /**
     * {@inheritDoc}
     */
    public void unregister(final String alias) {
        logger.info(new StringBuilder(32).append("Unregistering alias: ").append(alias).toString());
        mainAdapter.unregisterAlias(alias);
    }

}