JDK 11 jdk.httpserver.jmod - HTTP Server Module

JDK 11 jdk.httpserver.jmod is the JMOD file for JDK 11 HTTP Server module.

JDK 11 HTTP Server module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.httpserver.jmod.

JDK 11 HTTP Server module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 HTTP Server module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.httpserver.

You can click and view the content of each source code file in the list below.

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com/sun/net/httpserver/Filter.java

/*
 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package com.sun.net.httpserver;

import java.io.IOException;
import java.util.*;

/**
 * A filter used to pre- and post-process incoming requests. Pre-processing occurs
 * before the application's exchange handler is invoked, and post-processing
 * occurs after the exchange handler returns.  Filters
 * are organised in chains, and are associated with HttpContext instances.
 * <p>
 * Each Filter in the chain, invokes the next filter within its own
 * doFilter() implementation. The final Filter in the chain invokes the applications
 * exchange handler.
 * @since 1.6
 */
public abstract class Filter {

    protected Filter () {}

    /**
     * a chain of filters associated with a HttpServer.
     * Each filter in the chain is given one of these
     * so it can invoke the next filter in the chain
     */
    public static class Chain {
        /* the last element in the chain must invoke the users
         * handler
         */
        private ListIterator<Filter> iter;
        private HttpHandler handler;

        public Chain (List<Filter> filters, HttpHandler handler) {
            iter = filters.listIterator();
            this.handler = handler;
        }

        /**
         * calls the next filter in the chain, or else
         * the users exchange handler, if this is the
         * final filter in the chain. The Filter may decide
         * to terminate the chain, by not calling this method.
         * In this case, the filter <b>must</b> send the
         * response to the request, because the application's
         * exchange handler will not be invoked.
         * @param exchange the HttpExchange
         * @throws IOException let exceptions pass up the stack
         * @throws NullPointerException if exchange is {@code null}
         */
        public void doFilter (HttpExchange exchange) throws IOException {
            if (!iter.hasNext()) {
                handler.handle (exchange);
            } else {
                Filter f = iter.next();
                f.doFilter (exchange, this);
            }
        }
    }

    /**
     * Asks this filter to pre/post-process the given exchange. The filter
     * can:
     * <ul><li>examine or modify the request headers</li>
     * <li>filter the request body or the response body, by creating suitable
     * filter streams and calling
     * {@link HttpExchange#setStreams(InputStream,OutputStream)}</li>
     * <li>set attribute Objects in the exchange, which other filters or the
     * exchange handler can access.</li>
     * <li>decide to either<ol>
     * <li>invoke the next filter in the chain, by calling
     * {@link Filter.Chain#doFilter(HttpExchange)}</li>
     * <li>terminate the chain of invocation, by <b>not</b> calling
     * {@link Filter.Chain#doFilter(HttpExchange)}</li></ol>
     * <li>if option 1. above taken, then when doFilter() returns all subsequent
     * filters in the Chain have been called, and the response headers can be
     * examined or modified.</li>
     * <li>if option 2. above taken, then this Filter must use the HttpExchange
     * to send back an appropriate response</li></ul>
     *
     * @param exchange the {@code HttpExchange} to be filtered.
     * @param chain the Chain which allows the next filter to be invoked.
     * @throws IOException may be thrown by any filter module, and if
     *          caught, must be rethrown again.
     * @throws NullPointerException if either exchange or chain are {@code null}
     */
    public abstract void doFilter (HttpExchange exchange, Chain chain)
        throws IOException;

    /**
     * returns a short description of this Filter
     * @return a string describing the Filter
     */
    public abstract String description ();

}

com/sun/net/httpserver/Filter.java

 

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