--- /dev/null
+/*
+ * Sone - PageToadlet.java - Copyright © 2010 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.wotns.web;
+
+import java.io.IOException;
+import java.net.URI;
+
+import net.pterodactylus.util.web.Header;
+import net.pterodactylus.util.web.Method;
+import net.pterodactylus.util.web.Page;
+import net.pterodactylus.util.web.Response;
+import freenet.client.HighLevelSimpleClient;
+import freenet.clients.http.LinkEnabledCallback;
+import freenet.clients.http.Toadlet;
+import freenet.clients.http.ToadletContext;
+import freenet.clients.http.ToadletContextClosedException;
+import freenet.support.MultiValueTable;
+import freenet.support.api.Bucket;
+import freenet.support.api.HTTPRequest;
+import freenet.support.io.Closer;
+
+/**
+ * {@link Toadlet} implementation that is wrapped around a {@link Page}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class PageToadlet extends Toadlet implements LinkEnabledCallback {
+
+ /** The name of the menu item. */
+ private final String menuName;
+
+ /** The page that handles processing. */
+ private final Page<FreenetRequest> page;
+
+ /** The path prefix for the page. */
+ private final String pathPrefix;
+
+ /**
+ * Creates a new toadlet that hands off processing to a {@link Page}.
+ *
+ * @param highLevelSimpleClient
+ * The high-level simple client
+ * @param menuName
+ * The name of the menu item
+ * @param page
+ * The page to handle processing
+ * @param pathPrefix
+ * Prefix that is prepended to all {@link Page#getPath()} return
+ * values
+ */
+ protected PageToadlet(HighLevelSimpleClient highLevelSimpleClient, String menuName, Page<FreenetRequest> page, String pathPrefix) {
+ super(highLevelSimpleClient);
+ this.menuName = menuName;
+ this.page = page;
+ this.pathPrefix = pathPrefix;
+ }
+
+ /**
+ * Returns the name to display in the menu.
+ *
+ * @return The name in the menu
+ */
+ public String getMenuName() {
+ return menuName;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String path() {
+ return pathPrefix + page.getPath();
+ }
+
+ /**
+ * Handles a HTTP GET request.
+ *
+ * @param uri
+ * The URI of the request
+ * @param httpRequest
+ * The HTTP request
+ * @param toadletContext
+ * The toadlet context
+ * @throws IOException
+ * if an I/O error occurs
+ * @throws ToadletContextClosedException
+ * if the toadlet context is closed
+ */
+ public void handleMethodGET(URI uri, HTTPRequest httpRequest, ToadletContext toadletContext) throws IOException, ToadletContextClosedException {
+ handleRequest(new FreenetRequest(uri, Method.GET, httpRequest, toadletContext));
+ }
+
+ /**
+ * Handles a HTTP POST request.
+ *
+ * @param uri
+ * The URI of the request
+ * @param httpRequest
+ * The HTTP request
+ * @param toadletContext
+ * The toadlet context
+ * @throws IOException
+ * if an I/O error occurs
+ * @throws ToadletContextClosedException
+ * if the toadlet context is closed
+ */
+ public void handleMethodPOST(URI uri, HTTPRequest httpRequest, ToadletContext toadletContext) throws IOException, ToadletContextClosedException {
+ handleRequest(new FreenetRequest(uri, Method.POST, httpRequest, toadletContext));
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String toString() {
+ return getClass().getName() + "[path=" + path() + ",page=" + page + "]";
+ }
+
+ /**
+ * Handles a HTTP request.
+ *
+ * @param pageRequest
+ * The request to handle
+ * @throws IOException
+ * if an I/O error occurs
+ * @throws ToadletContextClosedException
+ * if the toadlet context is closed
+ */
+ private void handleRequest(FreenetRequest pageRequest) throws IOException, ToadletContextClosedException {
+ Bucket pageBucket = null;
+ try {
+ pageBucket = pageRequest.getToadletContext().getBucketFactory().makeBucket(-1);
+ Response pageResponse = new Response(pageBucket.getOutputStream());
+ pageResponse = page.handleRequest(pageRequest, pageResponse);
+ MultiValueTable<String, String> headers = new MultiValueTable<String, String>();
+ if (pageResponse.getHeaders() != null) {
+ for (Header header : pageResponse.getHeaders()) {
+ for (String value : header) {
+ headers.put(header.getName(), value);
+ }
+ }
+ }
+ writeReply(pageRequest.getToadletContext(), pageResponse.getStatusCode(), pageResponse.getContentType(), pageResponse.getStatusText(), headers, pageBucket);
+ } catch (Throwable t1) {
+ writeInternalError(t1, pageRequest.getToadletContext());
+ } finally {
+ Closer.close(pageBucket);
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean isEnabled(ToadletContext toadletContext) {
+ if (page instanceof LinkEnabledCallback) {
+ return ((LinkEnabledCallback) page).isEnabled(toadletContext);
+ }
+ return true;
+ }
+
+}
projects / WoTNS.git / blobdiff