From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Thu, 21 Oct 2010 10:23:31 +0000 (+0200)
Subject: Add page implementation that delivers a JSON object.
X-Git-Tag: 0.1-RC1~127
X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=commitdiff_plain;h=cb2f7e57a8ac1768da8f9c2a11d23118c1564f87

Add page implementation that delivers a JSON object.
---

diff --git a/src/main/java/net/pterodactylus/sone/web/ajax/JsonPage.java b/src/main/java/net/pterodactylus/sone/web/ajax/JsonPage.java
new file mode 100644
index 0000000..20ddfc6
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/web/ajax/JsonPage.java
@@ -0,0 +1,80 @@
+/*
+ * Sone - JsonPage.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.sone.web.ajax;
+
+import net.pterodactylus.sone.web.page.Page;
+import net.pterodactylus.util.json.JsonObject;
+import net.pterodactylus.util.json.JsonUtils;
+
+/**
+ * A JSON page is a specialized {@link Page} that will always return a JSON
+ * object to the browser, e.g. for use with AJAX or other scripting frameworks.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public abstract class JsonPage implements Page {
+
+	/** The path of the page. */
+	private final String path;
+
+	/**
+	 * Creates a new JSON page at the given path.
+	 *
+	 * @param path
+	 *            The path of the page
+	 */
+	public JsonPage(String path) {
+		this.path = path;
+	}
+
+	//
+	// METHODS FOR SUBCLASSES TO OVERRIDE
+	//
+
+	/**
+	 * This method is called to create the JSON object that is returned back to
+	 * the browser.
+	 *
+	 * @param request
+	 *            The request to handle
+	 * @return The created JSON object
+	 */
+	protected abstract JsonObject createJsonObject(Request request);
+
+	//
+	// PAGE METHODS
+	//
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public String getPath() {
+		return path;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public Response handleRequest(Request request) {
+		JsonObject jsonObject = createJsonObject(request);
+		return new Response(200, "OK", "application/json", JsonUtils.format(jsonObject));
+	}
+
+}