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[Aplaws-commit] r758 - ccm-formbuilder-pdf/trunk/src/com/arsdigita/formbuilder/pdf
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From: <ssk...@vh...> - 2005-09-02 15:54:08
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Author: sskracic Date: 2005-09-02 17:45:21 +0200 (Fri, 02 Sep 2005) New Revision: 758 Modified: ccm-formbuilder-pdf/trunk/src/com/arsdigita/formbuilder/pdf/Converter.java Log: NFC: finishing the wildcard import trim work. This file had DOS newlines so it had been left out at the previous attempt. Modified: ccm-formbuilder-pdf/trunk/src/com/arsdigita/formbuilder/pdf/Converter.java =================================================================== --- ccm-formbuilder-pdf/trunk/src/com/arsdigita/formbuilder/pdf/Converter.java 2005-09-02 15:25:32 UTC (rev 757) +++ ccm-formbuilder-pdf/trunk/src/com/arsdigita/formbuilder/pdf/Converter.java 2005-09-02 15:45:21 UTC (rev 758) @@ -1,175 +1,181 @@ -/* - * Copyright (C) 2004 Red Hat Inc. All Rights Reserved. - * - * This library 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 library 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 library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -package com.arsdigita.formbuilder.pdf; - -import com.arsdigita.util.UncheckedWrapperException; - -import java.io.*; -import java.util.Iterator; -import java.util.Vector; - -import javax.servlet.ServletException; -import javax.servlet.http.*; -import javax.xml.parsers.DocumentBuilder; -import javax.xml.parsers.DocumentBuilderFactory; -import javax.xml.transform.Transformer; -import javax.xml.transform.TransformerFactory; -import javax.xml.transform.dom.DOMSource; -import javax.xml.transform.sax.SAXResult; -import javax.xml.transform.stream.StreamSource; - -import org.apache.fop.apps.Driver; -import org.apache.log4j.Logger; -import org.w3c.dom.*; - -/** - * Creation History Start - @Author Name: CS Gupta - @Create Date: 23/11/2004 - @Class Name: Converter.java - @Purpose: This servlet class uses Apache's FOP and format xml data in PDF Format - @Company: Infoaxon Technology - @Copyright: Copyright (c) 2004 - @Version : 1.0 - * Creation History End - * - **/ - -public class Converter extends HttpServlet -{ - private static final Logger s_log = Logger.getLogger(Converter.class); - public static final String BASE_DATA_OBJECT_TYPE = - "com.arsdigita.formbuilder.pdf.Converter"; - - private TransformerFactory transformerFactory; - - public Converter() { } - - public void init() throws ServletException - { - transformerFactory = TransformerFactory.newInstance(); - } - - //Setup FOP - public void doGet(HttpServletRequest req, HttpServletResponse res) - throws ServletException, IOException - { - s_log.debug("Converter-doGet(HttpServletRequest,HttpServletResponse)-Enter"); - HttpSession session=req.getSession(); - if (s_log.isDebugEnabled()) { - s_log.debug("Using session: " + session.getId()); - } - - //Request form data from PDFListener. Form data is stored in Vector inside Vector - //This is main Vecor that contains inner Vector - Vector objOuterFormData = PDFListener.getFormData(session.getId()); - if (null == objOuterFormData) { - s_log.error("Converter called with no FormData in session"); - return; - } - - Iterator iter=objOuterFormData.iterator(); - - if (s_log.isDebugEnabled()) { - s_log.debug("Dumping FormData"); - while (iter.hasNext()) { - Vector inner = (Vector) iter.next(); - s_log.debug(inner.firstElement().toString() + ": " + - inner.lastElement().toString()); - } - - iter = objOuterFormData.iterator(); - } - - //This is inner Vector for Form Data that contains Caption and Value - Vector objInnerFormData=null; - - byte[] bytes = "<?xml version='1.0' encoding='UTF-8'?><Document/>".getBytes(); - ByteArrayInputStream objByteArrayInputStream = new ByteArrayInputStream(bytes); - - DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); - DocumentBuilder db; - Document xmldoc; - try { - db = dbf.newDocumentBuilder(); - xmldoc = db.parse(objByteArrayInputStream); - } catch (Exception ex) { - throw new UncheckedWrapperException(ex); - } - - Node grpRoot=xmldoc.getDocumentElement(); - //Iterating objOuterFormData Vector - while (iter.hasNext()) - { - objInnerFormData=new Vector(); - objInnerFormData=(Vector)iter.next(); - //This is for Caption - String strkey =(String)objInnerFormData.firstElement(); - //This is for Value - String strValue=(String)objInnerFormData.lastElement(); - - Element root = xmldoc.createElement("Section"); - - Node captionNode = xmldoc.createElement("Caption"); - Text captionText = xmldoc.createTextNode(strkey); - captionNode.appendChild(captionText); - - Node valueNode = xmldoc.createElement("Value"); - Text valueText = xmldoc.createTextNode(strValue); - valueNode.appendChild(valueText); - - root.appendChild(captionNode); - root.appendChild(valueNode); - grpRoot.appendChild(root); - } - - res.setContentType("application/pdf"); - Driver driver = new Driver(); - driver.setRenderer(1); - //Setup a buffer to obtain the content length - ByteArrayOutputStream out = new ByteArrayOutputStream(); - driver.setOutputStream(out); - - //Setup Transformer - javax.xml.transform.Source xsltSrc = - new StreamSource(new File(PDFConfig.retrieve().getXSLFile())); - - try { - Transformer transformer = - transformerFactory.newTransformer(xsltSrc); - - //Make sure the XSL transformation's result is piped through to FOP - javax.xml.transform.Result result = - new SAXResult(driver.getContentHandler()); - //Setup input and start the transformation and rendering process - transformer.transform(new DOMSource(xmldoc), result); - } catch (Exception ex) { - throw new UncheckedWrapperException(ex); - } - - //Prepare response - res.setContentLength(out.size()); - //Send content to Browser - res.getOutputStream().write(out.toByteArray()); - res.getOutputStream().flush(); - - s_log.debug("Converter-doGet(HttpServletRequest,HttpServletResponse)-Exit"); - } -} +/* + * Copyright (C) 2004 Red Hat Inc. All Rights Reserved. + * + * This library 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 library 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 library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +package com.arsdigita.formbuilder.pdf; + +import com.arsdigita.util.UncheckedWrapperException; +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.IOException; +import java.util.Iterator; +import java.util.Vector; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import javax.servlet.http.HttpSession; +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.transform.Transformer; +import javax.xml.transform.TransformerFactory; +import javax.xml.transform.dom.DOMSource; +import javax.xml.transform.sax.SAXResult; +import javax.xml.transform.stream.StreamSource; +import org.apache.fop.apps.Driver; +import org.apache.log4j.Logger; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; +import org.w3c.dom.Text; + +/** + * Creation History Start + @Author Name: CS Gupta + @Create Date: 23/11/2004 + @Class Name: Converter.java + @Purpose: This servlet class uses Apache's FOP and format xml data in PDF Format + @Company: Infoaxon Technology + @Copyright: Copyright (c) 2004 + @Version : 1.0 + * Creation History End + * + **/ + +public class Converter extends HttpServlet +{ + private static final Logger s_log = Logger.getLogger(Converter.class); + public static final String BASE_DATA_OBJECT_TYPE = + "com.arsdigita.formbuilder.pdf.Converter"; + + private TransformerFactory transformerFactory; + + public Converter() { } + + public void init() throws ServletException + { + transformerFactory = TransformerFactory.newInstance(); + } + + //Setup FOP + public void doGet(HttpServletRequest req, HttpServletResponse res) + throws ServletException, IOException + { + s_log.debug("Converter-doGet(HttpServletRequest,HttpServletResponse)-Enter"); + HttpSession session=req.getSession(); + if (s_log.isDebugEnabled()) { + s_log.debug("Using session: " + session.getId()); + } + + //Request form data from PDFListener. Form data is stored in Vector inside Vector + //This is main Vecor that contains inner Vector + Vector objOuterFormData = PDFListener.getFormData(session.getId()); + if (null == objOuterFormData) { + s_log.error("Converter called with no FormData in session"); + return; + } + + Iterator iter=objOuterFormData.iterator(); + + if (s_log.isDebugEnabled()) { + s_log.debug("Dumping FormData"); + while (iter.hasNext()) { + Vector inner = (Vector) iter.next(); + s_log.debug(inner.firstElement().toString() + ": " + + inner.lastElement().toString()); + } + + iter = objOuterFormData.iterator(); + } + + //This is inner Vector for Form Data that contains Caption and Value + Vector objInnerFormData=null; + + byte[] bytes = "<?xml version='1.0' encoding='UTF-8'?><Document/>".getBytes(); + ByteArrayInputStream objByteArrayInputStream = new ByteArrayInputStream(bytes); + + DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); + DocumentBuilder db; + Document xmldoc; + try { + db = dbf.newDocumentBuilder(); + xmldoc = db.parse(objByteArrayInputStream); + } catch (Exception ex) { + throw new UncheckedWrapperException(ex); + } + + Node grpRoot=xmldoc.getDocumentElement(); + //Iterating objOuterFormData Vector + while (iter.hasNext()) + { + objInnerFormData=new Vector(); + objInnerFormData=(Vector)iter.next(); + //This is for Caption + String strkey =(String)objInnerFormData.firstElement(); + //This is for Value + String strValue=(String)objInnerFormData.lastElement(); + + Element root = xmldoc.createElement("Section"); + + Node captionNode = xmldoc.createElement("Caption"); + Text captionText = xmldoc.createTextNode(strkey); + captionNode.appendChild(captionText); + + Node valueNode = xmldoc.createElement("Value"); + Text valueText = xmldoc.createTextNode(strValue); + valueNode.appendChild(valueText); + + root.appendChild(captionNode); + root.appendChild(valueNode); + grpRoot.appendChild(root); + } + + res.setContentType("application/pdf"); + Driver driver = new Driver(); + driver.setRenderer(1); + //Setup a buffer to obtain the content length + ByteArrayOutputStream out = new ByteArrayOutputStream(); + driver.setOutputStream(out); + + //Setup Transformer + javax.xml.transform.Source xsltSrc = + new StreamSource(new File(PDFConfig.retrieve().getXSLFile())); + + try { + Transformer transformer = + transformerFactory.newTransformer(xsltSrc); + + //Make sure the XSL transformation's result is piped through to FOP + javax.xml.transform.Result result = + new SAXResult(driver.getContentHandler()); + //Setup input and start the transformation and rendering process + transformer.transform(new DOMSource(xmldoc), result); + } catch (Exception ex) { + throw new UncheckedWrapperException(ex); + } + + //Prepare response + res.setContentLength(out.size()); + //Send content to Browser + res.getOutputStream().write(out.toByteArray()); + res.getOutputStream().flush(); + + s_log.debug("Converter-doGet(HttpServletRequest,HttpServletResponse)-Exit"); + } +} |
