Examples with Handler org.eclipse.jetty.server.Handler used on opensource projects

Example 41 with Handler

use of org.eclipse.jetty.server.Handler in project jetty.project by eclipse.

the class ContextHandlerCollection method handle.

/* ------------------------------------------------------------ */
/*
     * @see org.eclipse.jetty.server.server.Handler#handle(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
     */
@Override
public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    Handler[] handlers = getHandlers();
    if (handlers == null || handlers.length == 0)
        return;
    HttpChannelState async = baseRequest.getHttpChannelState();
    if (async.isAsync()) {
        ContextHandler context = async.getContextHandler();
        if (context != null) {
            Handler branch = _contextBranches.get(context);
            if (branch == null)
                context.handle(target, baseRequest, request, response);
            else
                branch.handle(target, baseRequest, request, response);
            return;
        }
    }
    // }
    if (target.startsWith("/")) {
        int limit = target.length() - 1;
        while (limit >= 0) {
            // Get best match
            Map.Entry<String, Branch[]> branches = _pathBranches.getBest(target, 1, limit);
            if (branches == null)
                break;
            int l = branches.getKey().length();
            if (l == 1 || target.length() == l || target.charAt(l) == '/') {
                for (Branch branch : branches.getValue()) {
                    branch.getHandler().handle(target, baseRequest, request, response);
                    if (baseRequest.isHandled())
                        return;
                }
            }
            limit = l - 2;
        }
    } else {
        // This may not work in all circumstances... but then I think it should never be called
        for (int i = 0; i < handlers.length; i++) {
            handlers[i].handle(target, baseRequest, request, response);
            if (baseRequest.isHandled())
                return;
        }
    }
}

Example 42 with Handler

use of org.eclipse.jetty.server.Handler in project jetty.project by eclipse.

the class ContextHandlerCollection method mapContexts.

/* ------------------------------------------------------------ */
/**
     * Remap the context paths.
     */
@ManagedOperation("update the mapping of context path to context")
public void mapContexts() {
    _contextBranches.clear();
    if (getHandlers() == null) {
        _pathBranches = new ArrayTernaryTrie<>(false, 16);
        return;
    }
    // Create map of contextPath to handler Branch
    Map<String, Branch[]> map = new HashMap<>();
    for (Handler handler : getHandlers()) {
        Branch branch = new Branch(handler);
        for (String contextPath : branch.getContextPaths()) {
            Branch[] branches = map.get(contextPath);
            map.put(contextPath, ArrayUtil.addToArray(branches, branch, Branch.class));
        }
        for (ContextHandler context : branch.getContextHandlers()) _contextBranches.putIfAbsent(context, branch.getHandler());
    }
    // Sort the branches so those with virtual hosts are considered before those without
    for (Map.Entry<String, Branch[]> entry : map.entrySet()) {
        Branch[] branches = entry.getValue();
        Branch[] sorted = new Branch[branches.length];
        int i = 0;
        for (Branch branch : branches) if (branch.hasVirtualHost())
            sorted[i++] = branch;
        for (Branch branch : branches) if (!branch.hasVirtualHost())
            sorted[i++] = branch;
        entry.setValue(sorted);
    }
    // Loop until we have a big enough trie to hold all the context paths
    int capacity = 512;
    Trie<Map.Entry<String, Branch[]>> trie;
    loop: while (true) {
        trie = new ArrayTernaryTrie<>(false, capacity);
        for (Map.Entry<String, Branch[]> entry : map.entrySet()) {
            if (!trie.put(entry.getKey().substring(1), entry)) {
                capacity += 512;
                continue loop;
            }
        }
        break loop;
    }
    if (LOG.isDebugEnabled()) {
        for (String ctx : trie.keySet()) LOG.debug("{}->{}", ctx, Arrays.asList(trie.get(ctx).getValue()));
    }
    _pathBranches = trie;
}

Example 43 with Handler

use of org.eclipse.jetty.server.Handler in project jetty.project by eclipse.

the class DefaultHandler method handle.

/* ------------------------------------------------------------ */
/*
     * @see org.eclipse.jetty.server.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
     */
@Override
public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    if (response.isCommitted() || baseRequest.isHandled())
        return;
    baseRequest.setHandled(true);
    String method = request.getMethod();
    // little cheat for common request
    if (_serveIcon && _favicon != null && HttpMethod.GET.is(method) && request.getRequestURI().equals("/favicon.ico")) {
        if (request.getDateHeader(HttpHeader.IF_MODIFIED_SINCE.toString()) == _faviconModified)
            response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        else {
            response.setStatus(HttpServletResponse.SC_OK);
            response.setContentType("image/x-icon");
            response.setContentLength(_favicon.length);
            response.setDateHeader(HttpHeader.LAST_MODIFIED.toString(), _faviconModified);
            response.setHeader(HttpHeader.CACHE_CONTROL.toString(), "max-age=360000,public");
            response.getOutputStream().write(_favicon);
        }
        return;
    }
    if (!_showContexts || !HttpMethod.GET.is(method) || !request.getRequestURI().equals("/")) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;
    }
    response.setStatus(HttpServletResponse.SC_NOT_FOUND);
    response.setContentType(MimeTypes.Type.TEXT_HTML.toString());
    try (ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(1500)) {
        writer.write("<HTML>\n<HEAD>\n<TITLE>Error 404 - Not Found");
        writer.write("</TITLE>\n<BODY>\n<H2>Error 404 - Not Found.</H2>\n");
        writer.write("No context on this server matched or handled this request.<BR>");
        writer.write("Contexts known to this server are: <ul>");
        Server server = getServer();
        Handler[] handlers = server == null ? null : server.getChildHandlersByClass(ContextHandler.class);
        for (int i = 0; handlers != null && i < handlers.length; i++) {
            ContextHandler context = (ContextHandler) handlers[i];
            if (context.isRunning()) {
                writer.write("<li><a href=\"");
                if (context.getVirtualHosts() != null && context.getVirtualHosts().length > 0)
                    writer.write(request.getScheme() + "://" + context.getVirtualHosts()[0] + ":" + request.getLocalPort());
                writer.write(context.getContextPath());
                if (context.getContextPath().length() > 1 && context.getContextPath().endsWith("/"))
                    writer.write("/");
                writer.write("\">");
                writer.write(context.getContextPath());
                if (context.getVirtualHosts() != null && context.getVirtualHosts().length > 0)
                    writer.write("&nbsp;@&nbsp;" + context.getVirtualHosts()[0] + ":" + request.getLocalPort());
                writer.write("&nbsp;--->&nbsp;");
                writer.write(context.toString());
                writer.write("</a></li>\n");
            } else {
                writer.write("<li>");
                writer.write(context.getContextPath());
                if (context.getVirtualHosts() != null && context.getVirtualHosts().length > 0)
                    writer.write("&nbsp;@&nbsp;" + context.getVirtualHosts()[0] + ":" + request.getLocalPort());
                writer.write("&nbsp;--->&nbsp;");
                writer.write(context.toString());
                if (context.isFailed())
                    writer.write(" [failed]");
                if (context.isStopped())
                    writer.write(" [stopped]");
                writer.write("</li>\n");
            }
        }
        writer.write("</ul><hr>");
        baseRequest.getHttpChannel().getHttpConfiguration().writePoweredBy(writer, "<a href=\"http://eclipse.org/jetty\"><img border=0 src=\"/favicon.ico\"/></a>&nbsp;", "<hr/>\n");
        writer.write("\n</BODY>\n</HTML>\n");
        writer.flush();
        response.setContentLength(writer.size());
        try (OutputStream out = response.getOutputStream()) {
            writer.writeTo(out);
        }
    }
}

Example 44 with Handler

use of org.eclipse.jetty.server.Handler in project jetty.project by eclipse.

the class HandlerCollection method destroy.

/* ------------------------------------------------------------ */
@Override
public void destroy() {
    if (!isStopped())
        throw new IllegalStateException("!STOPPED");
    Handler[] children = getChildHandlers();
    setHandlers(null);
    for (Handler child : children) child.destroy();
    super.destroy();
}

Example 45 with Handler

use of org.eclipse.jetty.server.Handler in project jetty.project by eclipse.

the class HandlerWrapper method insertHandler.

/* ------------------------------------------------------------ */
/** 
     * Replace the current handler with another HandlerWrapper
     * linked to the current handler.  
     * <p>
     * This is equivalent to:
     * <pre>
     *   wrapper.setHandler(getHandler());
     *   setHandler(wrapper);
     * </pre>
     * @param wrapper the wrapper to insert
     */
public void insertHandler(HandlerWrapper wrapper) {
    if (wrapper == null)
        throw new IllegalArgumentException();
    HandlerWrapper tail = wrapper;
    while (tail.getHandler() instanceof HandlerWrapper) tail = (HandlerWrapper) tail.getHandler();
    if (tail.getHandler() != null)
        throw new IllegalArgumentException("bad tail of inserted wrapper chain");
    Handler next = getHandler();
    setHandler(wrapper);
    tail.setHandler(next);
}