Source Code Cross Referenced for SFAJasperViewHandler.java in  » ERP-CRM-Financial » SourceTap-CRM » com » sourcetap » sfa » view » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ERP CRM Financial » SourceTap CRM » com.sourcetap.sfa.view 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * 
003:         * Copyright (c) 2004 SourceTap - www.sourcetap.com
004:         *
005:         *  The contents of this file are subject to the SourceTap Public License 
006:         * ("License"); You may not use this file except in compliance with the 
007:         * License. You may obtain a copy of the License at http://www.sourcetap.com/license.htm
008:         * Software distributed under the License is distributed on an  "AS IS"  basis,
009:         * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
010:         * the specific language governing rights and limitations under the License.
011:         *
012:         * The above copyright notice and this permission notice shall be included
013:         * in all copies or substantial portions of the Software.
014:         *
015:         */
016:
017:        /**
018:         * SFAJasperViewHandler - View Handler for Jasper PDF files.  same as JSPViewHandler, except it calls forward, not include
019:         *
020:         *@author     <a href="mailto:jaz@zsolv.com">Andy Zeneski</a>
021:         *@created    Feb 26, 2002
022:         *@version    1.0
023:         */package com.sourcetap.sfa.view;
024:
025:        import java.io.IOException;
026:
027:        import javax.servlet.RequestDispatcher;
028:        import javax.servlet.ServletContext;
029:        import javax.servlet.ServletException;
030:        import javax.servlet.http.HttpServletRequest;
031:        import javax.servlet.http.HttpServletResponse;
032:        import javax.servlet.jsp.JspException;
033:
034:        import org.ofbiz.base.util.Debug;
035:        import org.ofbiz.content.webapp.view.ViewHandler;
036:        import org.ofbiz.content.webapp.view.ViewHandlerException;
037:
038:        /**
039:         * DOCUMENT ME!
040:         *
041:         */
042:        public class SFAJasperViewHandler implements  ViewHandler {
043:            protected ServletContext context;
044:
045:            /**
046:             * DOCUMENT ME!
047:             *
048:             * @param context 
049:             *
050:             * @throws ViewHandlerException 
051:             */
052:            public void init(ServletContext context)
053:                    throws ViewHandlerException {
054:                this .context = context;
055:            }
056:
057:            /**
058:             * DOCUMENT ME!
059:             *
060:             * @param name 
061:             * @param page 
062:             * @param info 
063:             * @param request 
064:             * @param response 
065:             *
066:             * @throws ViewHandlerException 
067:             */
068:            public void render(String name, String page, String info,
069:                    String contentType, String encoding,
070:                    HttpServletRequest request, HttpServletResponse response)
071:                    throws ViewHandlerException {
072:                // some containers call filters on EVERY request, even forwarded ones,
073:                // so let it know that it came from the control servlet
074:                if (request == null) {
075:                    throw new ViewHandlerException(
076:                            "Null HttpServletRequest object");
077:                }
078:
079:                if ((page == null) || (page.length() == 0)) {
080:                    throw new ViewHandlerException("Null or empty source");
081:                }
082:
083:                request.setAttribute("_FORWARDED_FROM_CONTROL_SERVLET_",
084:                        new Boolean(true));
085:
086:                RequestDispatcher rd = request.getRequestDispatcher(page);
087:
088:                if (rd == null) {
089:                    throw new ViewHandlerException(
090:                            "Source returned a null dispatcher (" + page + ")");
091:                }
092:
093:                try {
094:                    rd.forward(request, response);
095:                } catch (IOException ie) {
096:                    throw new ViewHandlerException("IO Error in view", ie);
097:                } catch (ServletException e) {
098:                    Throwable throwable = (e.getRootCause() != null) ? e
099:                            .getRootCause() : e;
100:
101:                    if (throwable instanceof  JspException) {
102:                        JspException jspe = (JspException) throwable;
103:
104:                        throwable = (jspe.getRootCause() != null) ? jspe
105:                                .getRootCause() : jspe;
106:                    }
107:
108:                    Debug.logError(throwable,
109:                            "ServletException rendering JSP view");
110:                    throw new ViewHandlerException(e.getMessage(), throwable);
111:                }
112:            }
113:        }
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