inital commit - Durchstich

2012-01-08 15:18:29 +01:00
commit d72297216f
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+/*
+ * XRays Web Framework
+ * 
+ * Copyright (C) 2007 rico_g AT users DOT sourceforge DOT net
+ * 
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License s published by the Free Software
+ * Foundation; either version 2 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, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * 
+ */
+
+package net.sf.wikiinajar.xrays;
+
+import java.io.FileInputStream;
+import java.util.Properties;
+
+import net.sf.wikiinajar.xrays.HttpServer.UriPath;
+
+/**
+ * Contains information about the client's request. Also acts as a factory class
+ * to generate various controller responses.
+ * 
+ * @author rico_g AT users DOT sourceforge DOT net
+ * 
+ */
+public class Request {
+
+	private static final String ERROR_VIEW = "error";
+
+	private static final String COMMON_CONTROLLER = "common";
+
+	private Properties properties;
+
+	private UriPath path;
+
+	private String templateFile;
+
+	protected Request(UriPath path, Properties properties) {
+		this.path = path;
+		this.properties = properties;
+		this.templateFile = path.getAction();
+	}
+
+	public ControllerResponse forward(ControllerResponse response,
+			String templateFile) {
+		response.setTemplateFile(templateFile);
+		return response;
+	}
+
+	public ControllerResponse xmlResponse(Xml xml) {
+		
+		ControllerResponse controllerResponse = new ControllerResponse(ControllerResponse.MIME_XML, xml,
+				templateFile, path.getController());
+		
+		return controllerResponse;
+	}
+
+	public ControllerResponse xmlResponse(Xml xml, String templateFile) {
+		return new ControllerResponse(ControllerResponse.MIME_XML, xml,
+				templateFile, path.getController());
+	}
+
+	public ControllerResponse streamResponse(String resName,
+			FileInputStream stream) {
+		return new ControllerResponse(ControllerResponse.getMimeType(resName),
+				stream);
+	}
+
+	public UriPath getPath() {
+		return path;
+	}
+
+	public String getTemplateFile() {
+		return templateFile;
+	}
+
+	public Properties getProperties() {
+		return properties;
+	}
+
+	public ControllerResponse resourceNotFoundResponse(String resName) {
+		return new ControllerResponse(ControllerResponse.HTML_NOT_FOUND,
+				resName);
+	}
+
+	public String getProperty(String key) {
+		return properties.getProperty(key);
+	}
+
+	public ControllerResponse errorResponse(String message) {
+		Xml xml = new Xml("error");
+		xml.tag("message", message);
+		return new ControllerResponse(ControllerResponse.MIME_XML, xml,
+				ERROR_VIEW, COMMON_CONTROLLER);
+	}
+
+	/**
+	 * Creates redirect to local page. Performs URL encoding on given url.
+	 * 
+	 * @param url
+	 * @return
+	 */
+	public ControllerResponse redirect(String url) {
+		return new ControllerResponse(ControllerResponse.HTTP_REDIRECT_FOUND,
+				url);
+	}
+
+	/**
+	 * Creates redirect to external web page. No URL encoding will be performed
+	 * on the given URL.
+	 * 
+	 * @param url
+	 * @return
+	 */
+	public ControllerResponse externalRedirect(String url) {
+		return new ControllerResponse(
+				ControllerResponse.HTTP_EXTERNAL_REDIRECT_FOUND, url);
+	}
+
+    /**
+     * Creates a new redirect to a controller.
+     * 
+     * @param controllerClass
+     *            The controller class.
+     * @param action
+     *            The name of the action to invoke for the redirected
+     *            controller.
+     * @return
+     */
+    public ControllerResponse redirect(Class controllerClass, String action) {
+        return new ControllerResponse(controllerClass, action);
+    }
+}