Author: chris.laprun(a)jboss.com Date: 2008-01-29 19:12:37 -0500 (Tue, 29 Jan 2008) New Revision: 9641 Added: modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/ modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleClippingPortlet.java modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleWeatherClippingPortlet.java Log: - Added simple map and weather portlets using Google search results and clipping to be used as samples. Need to package them and make them use public render params. Added: modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleClippingPortlet.java =================================================================== --- modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleClippingPortlet.java (rev 0) +++ modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleClippingPortlet.java 2008-01-30 00:12:37 UTC (rev 9641) @@ -0,0 +1,170 @@ +/****************************************************************************** + * JBoss, a division of Red Hat * + * Copyright 2008, Red Hat Middleware, LLC, and individual * + * contributors as indicated by the @authors tag. See the * + * copyright.txt in the distribution for a full listing of * + * individual contributors. * + * * + * This is free software; you can redistribute it and/or modify it * + * under the terms of the GNU Lesser General Public License as * + * published by the Free Software Foundation; either version 2.1 of * + * the License, or (at your option) any later version. * + * * + * This software 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 * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this software; if not, write to the Free * + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. * + ******************************************************************************/ + +package org.jboss.portal.simple.samples; + +import javax.portlet.ActionRequest; +import javax.portlet.ActionResponse; +import javax.portlet.GenericPortlet; +import javax.portlet.PortletException; +import javax.portlet.PortletMode; +import javax.portlet.PortletPreferences; +import javax.portlet.PortletURL; +import javax.portlet.RenderRequest; +import javax.portlet.RenderResponse; +import java.io.BufferedInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.PrintWriter; +import java.net.URL; +import java.net.URLConnection; + +/** + * A simple portlet using Google's search services to extract interesting information (weather, map, ...) from first + * result. + * + * @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a> + * @version $Revision$ + */ +public abstract class GoogleClippingPortlet extends GenericPortlet +{ + protected static final String A = "<a"; + private static final String A_TARGET_BLANK = "<a target='_blank'"; + private static final String ZIP = "zip"; + private static final String SAN_FRAN = "94102"; + private static final String GOOGLE = "http://www.google.com/search?q="; + + @Override + protected void doView(RenderRequest renderRequest, RenderResponse renderResponse) throws PortletException, IOException + { + String zip = renderRequest.getParameter(ZIP); + if (zip == null) + { + zip = renderRequest.getPreferences().getValue(ZIP, SAN_FRAN); + } + + String query = getQueryString(zip); + + URL url = new URL(query); + + URLConnection connection = url.openConnection(); + connection.setRequestProperty("User-Agent", "Mozilla/5.0"); + + InputStream in = new BufferedInputStream(connection.getInputStream()); + StringBuilder tmp = new StringBuilder(8192); + byte[] buffer = new byte[4096]; + while (true) + { + int i = in.read(buffer); + if (i == 0) + { + continue; + } + if (i == -1) + { + break; + } + tmp.append(new String(buffer, "UTF-8"), 0, i); + } + + String html = tmp.toString(); + String beg = "<div class=e>"; + String end = "</table>"; + int begIndex = html.indexOf(beg); + if (begIndex != -1) + { + // extract table containing specific first result + int endIndex = html.indexOf(end, begIndex); + html = html.substring(begIndex + beg.length(), endIndex + end.length()); + + html = postProcessHTML(html); + + renderResponse.setContentType("text/html"); + PrintWriter printWriter = renderResponse.getWriter(); + printWriter.print(html); + + PortletURL edit = renderResponse.createRenderURL(); + edit.setPortletMode(PortletMode.EDIT); + printWriter.print("<p><a href='" + edit + "'>Change location</a></p>"); + } + } + + @Override + protected void doEdit(RenderRequest renderRequest, RenderResponse renderResponse) throws PortletException, IOException + { + renderResponse.setContentType("text/html"); + renderResponse.getWriter().print( + "<div align='center'>\n" + + " <br/>\n" + + " <font class='portlet-font'>Change Location:</font>\n" + + "\n" + + " <form method='post' action='" + renderResponse.createActionURL() + "'\n" + + " <font class='portlet-font'>Zip Code:</font><br/>\n" + + " <input class='portlet-form-input-field' type='text' value='' size='12' name='zip'>\n" + + " <br/>\n" + + " <input class='portlet-form-input-field' type='submit' name='submit' value='submit'>\n" + + " </form>\n" + + "</div>"); + } + + @Override + public void processAction(ActionRequest actionRequest, ActionResponse actionResponse) throws PortletException, IOException + { + String zip = actionRequest.getParameter(ZIP); + + if (null != zip) + { + PortletPreferences prefs = actionRequest.getPreferences(); + prefs.setValue(ZIP, zip); + prefs.store(); + } + + // set zip as render parameter + actionResponse.setRenderParameter(ZIP, zip); + + // request view + actionResponse.setPortletMode(PortletMode.VIEW); + } + + protected String postProcessHTML(String html) + { + String tmp = new String(html); + + // links should open in new windows + tmp = tmp.replaceAll(A, A_TARGET_BLANK); + + // src attributes should be absolute + tmp = tmp.replaceAll("src=/", "src=http://google.com/"); + tmp = tmp.replaceAll("src=\"/", "src=\"http://google.com/"); + + // forms should open in new windows and have an absolute action URL + tmp = tmp.replaceAll("action=\"/", "target='_blank' action=\"http://google.com/"); + + return tmp; + } + + protected String getQueryString(String zip) + { + return GOOGLE + zip; + } +} Property changes on: modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleClippingPortlet.java ___________________________________________________________________ Name: svn:keywords + Author Date Id Revision Name: svn:eol-style + native Added: modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleWeatherClippingPortlet.java =================================================================== --- modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleWeatherClippingPortlet.java (rev 0) +++ modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleWeatherClippingPortlet.java 2008-01-30 00:12:37 UTC (rev 9641) @@ -0,0 +1,57 @@ +/****************************************************************************** + * JBoss, a division of Red Hat * + * Copyright 2008, Red Hat Middleware, LLC, and individual * + * contributors as indicated by the @authors tag. See the * + * copyright.txt in the distribution for a full listing of * + * individual contributors. * + * * + * This is free software; you can redistribute it and/or modify it * + * under the terms of the GNU Lesser General Public License as * + * published by the Free Software Foundation; either version 2.1 of * + * the License, or (at your option) any later version. * + * * + * This software 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 * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this software; if not, write to the Free * + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. * + ******************************************************************************/ + +package org.jboss.portal.simple.samples; + +/** + * @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a> + * @version $Revision$ + */ +public class GoogleWeatherClippingPortlet extends GoogleClippingPortlet +{ + private final static String WEATHER_URL = "http://www.google.com/search?q=weather+"; + private static final String A_END = "</a"; + + protected String getQueryString(String zip) + { + return WEATHER_URL + zip; + } + + protected String postProcessHTML(String html) + { + int begIndex; + int endIndex; + + String tmp = new String(html); + + // remove add to iGoogle link + begIndex = html.indexOf(A); + if (begIndex != -1) + { + endIndex = html.indexOf(A_END, begIndex); + tmp = tmp.substring(0, begIndex) + html.substring(endIndex); + } + + return tmp; + } +} Property changes on: modules/portlet/trunk/test/src/main/java/org/jboss/portal/simple/samples/GoogleWeatherClippingPortlet.java ___________________________________________________________________ Name: svn:keywords + Author Date Id Revision Name: svn:eol-style + native