X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fwotns%2Fweb%2FPageToadlet.java;fp=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fwotns%2Fweb%2FPageToadlet.java;h=818a27ce03004c346b9c71b98ba4757bc994eb2b;hb=622c4a4d3ebed447d5708a41cf3e1e82e18fa29b;hp=0000000000000000000000000000000000000000;hpb=77869390c46e8e5eff63bf00c7ef44a37ba8f317;p=WoTNS.git

diff --git a/src/main/java/net/pterodactylus/wotns/web/PageToadlet.java b/src/main/java/net/pterodactylus/wotns/web/PageToadlet.java
new file mode 100644
index 0000000..818a27c
--- /dev/null
+++ b/src/main/java/net/pterodactylus/wotns/web/PageToadlet.java
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+/*
+ * 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;
+	}
+
+}