1 files changed, 118 insertions, 0 deletions
diff --git a/org.eclipse.help.webapp/src/org/eclipse/help/internal/webapp/service/SearchStateService.java b/org.eclipse.help.webapp/src/org/eclipse/help/internal/webapp/service/SearchStateService.java
new file mode 100644
index 000000000..6183516a7
--- /dev/null
+++ b/org.eclipse.help.webapp/src/org/eclipse/help/internal/webapp/service/SearchStateService.java
@@ -0,0 +1,118 @@
+/*******************************************************************************
+ * Copyright (c) 2011 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.help.internal.webapp.service;
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.eclipse.help.internal.search.SearchProgressMonitor;
+import org.eclipse.help.internal.webapp.data.UrlUtil;
+import org.eclipse.help.internal.webapp.utils.Utils;
+
+/**
+ * Returns <code>xml</code> or <code>String</code> representing search progress monitor
+ * 
+ * @param lang			- (optional) specifies the locale
+ * @param returnType	- (Optional) specifies the return type of the servlet.
+ * 						  Accepts either <code>xml</code> (default) or
+ * 						  <code>json</code>
+ * 
+ * @return		Search progress monitor state, either as <code>xml</code>
+ * or <code>String</code> (default)
+ * 
+ * @version	$Version$
+ * 
+ **/
+public class SearchStateService extends HttpServlet {
+	
+	private static final long serialVersionUID = 1L;
+	private final static String STATE = "state"; //$NON-NLS-1$
+	private final static String PERCENT = "percent"; //$NON-NLS-1$
+	
+	public void init() throws ServletException {
+	}
+
+	/**
+	 * Called by the server (via the <code>service</code> method) to allow a
+	 * Servlet to handle a GET request.
+	 */
+	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
+
+		process(req,resp);
+	}
+
+	/**
+	 *
+	 * Called by the server (via the <code>service</code> method) to allow a
+	 * Servlet to handle a POST request.
+	 *
+	 * Handle the search requests,
+	 *
+	 */
+	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
+		process(req, resp);
+	}
+
+
+	/**
+	 * Processes all requests to the servlet.
+	 *
+	 */
+	private void process(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
+		
+		resp.setHeader("Cache-Control", "no-store, no-cache, must-revalidate"); //$NON-NLS-1$ //$NON-NLS-2$
+		resp.setCharacterEncoding("UTF-8"); //$NON-NLS-1$
+		
+		int indexCompletion = 0;
+		String locale = UrlUtil.getLocale(req, resp);
+		SearchProgressMonitor pm = SearchProgressMonitor
+				.getProgressMonitor(locale);
+		if (pm.isDone()) {
+			indexCompletion = 100;
+		} else {
+			indexCompletion = pm.getPercentage();
+			if (indexCompletion >= 100) {
+				// 38573 We do not have results, so index cannot be 100
+				indexCompletion = 100 - 1;
+			}
+		}
+		
+		String returnType = req.getParameter(Utils.RETURN_TYPE);
+		boolean isXML = Utils.XML.equalsIgnoreCase(returnType);
+		if (isXML) {
+			resp.setContentType("application/xml"); //$NON-NLS-1$
+			resp.getWriter().write(toXML(indexCompletion));
+		} else {
+			resp.setContentType("text/plain"); //$NON-NLS-1$
+			resp.getWriter().write(toString(indexCompletion));
+		}
+		resp.getWriter().flush();
+	}
+	
+	public static String toXML(int percent) {
+		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"; //$NON-NLS-1$
+		xml += '<'+STATE+">\n"; //$NON-NLS-1$
+		xml += "	<"+PERCENT+'>'+percent+"</"+PERCENT+">\n"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+		xml += "</"+STATE+">"; //$NON-NLS-1$ //$NON-NLS-2$
+		return xml;
+	}
+	
+	public static String toString(int percent) {
+		return "Percent:" + percent; //$NON-NLS-1$
+	}
+}