Mercurial > hg > digilib-old

changeset 537:bd1080df81ad digilibPDF

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some cleanup
author casties
date Thu, 26 Aug 2010 17:30:45 +0200
parents e758a49258e8
children b153f014e3c7
files servlet/src/digilib/image/DocuImageImpl.java servlet/src/digilib/servlet/NumRange.java servlet/src/digilib/servlet/Raster.java
diffstat 3 files changed, 0 insertions(+), 342 deletions(-) [+]
line wrap: on
line diff
--- a/servlet/src/digilib/image/DocuImageImpl.java	Wed Aug 25 18:29:08 2010 +0200
+++ b/servlet/src/digilib/image/DocuImageImpl.java	Thu Aug 26 17:30:45 2010 +0200
@@ -164,44 +164,37 @@
 		return empty.iterator();
 	}
 
-    @Override
     public void crop(int xoff, int yoff, int width, int height)
             throws ImageOpException {
         // TODO Auto-generated method stub
         
     }
 
-    @Override
     public Image getAwtImage() {
         // TODO Auto-generated method stub
         return null;
     }
 
-    @Override
     public int getHeight() {
         // TODO Auto-generated method stub
         return 0;
     }
 
-    @Override
     public int getWidth() {
         // TODO Auto-generated method stub
         return 0;
     }
 
-    @Override
     public void loadImage(ImageFile f) throws FileOpException {
         // TODO Auto-generated method stub
         
     }
 
-    @Override
     public void scale(double scaleX, double scaleY) throws ImageOpException {
         // TODO Auto-generated method stub
         
     }
 
-    @Override
     public void writeImage(String mt, OutputStream ostream)
             throws FileOpException {
         // TODO Auto-generated method stub
--- a/servlet/src/digilib/servlet/NumRange.java	Wed Aug 25 18:29:08 2010 +0200
+++ b/servlet/src/digilib/servlet/NumRange.java	Thu Aug 26 17:30:45 2010 +0200
@@ -101,7 +101,6 @@
         }
     }
 
-    @Override
     public Iterator<Integer> iterator() {
         if (list == null) {
             // return count-based iterator
@@ -110,17 +109,14 @@
                 private int num = getStart();
                 private int end = getEnd();
 
-                @Override
                 public boolean hasNext() {
                     return (num < end);
                 }
 
-                @Override
                 public Integer next() {
                     return num++;
                 }
 
-                @Override
                 public void remove() {
                     // don't do this
                 }
@@ -134,12 +130,10 @@
                 private int num = getStart();
                 private int end = getEnd();
 
-                @Override
                 public boolean hasNext() {
                     return (num < end);
                 }
 
-                @Override
                 public Integer next() {
                     if (listidx < listend) {
                         num = list.get(listidx++);
@@ -149,7 +143,6 @@
                     }
                 }
 
-                @Override
                 public void remove() {
                     // don't do this
                 }
--- a/servlet/src/digilib/servlet/Raster.java	Wed Aug 25 18:29:08 2010 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,328 +0,0 @@
-/*
- * Raster -- Servlet for displaying rasterized SVG graphics
- * 
- * Digital Image Library servlet components
- * 
- * Copyright (C) 2003 Robert Casties (robcast@mail.berlios.de)
- * 
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- * 
- * Please read license.txt for the full details. A copy of the GPL may be found
- * at http://www.gnu.org/copyleft/lgpl.html 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., 59 Temple Place, Suite 330, Boston, MA
- * 02111-1307 USA
- * 
- * Created on 25.11.2003 by casties
- */
-
-package digilib.servlet;
-
-import java.awt.geom.Rectangle2D;
-import java.io.IOException;
-
-import javax.servlet.ServletConfig;
-import javax.servlet.ServletContext;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import javax.xml.parsers.SAXParserFactory;
-
-import org.apache.batik.dom.svg.SAXSVGDocumentFactory;
-import org.apache.batik.transcoder.TranscoderException;
-import org.apache.batik.transcoder.TranscoderInput;
-import org.apache.batik.transcoder.TranscoderOutput;
-import org.apache.batik.transcoder.image.PNGTranscoder;
-import org.apache.batik.util.XMLResourceDescriptor;
-import org.apache.log4j.Logger;
-import org.w3c.dom.svg.SVGDocument;
-import org.w3c.dom.svg.SVGSVGElement;
-
-import digilib.auth.AuthOps;
-import digilib.io.DocuDirCache;
-import digilib.io.DocuDirectory;
-import digilib.io.FileOpException;
-import digilib.io.FileOps;
-import digilib.io.SVGFile;
-
-/**
- * Servlet for displaying SVG graphics
- * 
- * @author casties
- *  
- */
-public class Raster extends HttpServlet {
-
-	private static final long serialVersionUID = -7756999389932675241L;
-
-	/** Servlet version */
-	public static String servletVersion = "0.2b1";
-	/** DigilibConfiguration instance */
-	DigilibConfiguration dlConfig = null;
-	/** general logger */
-	Logger logger = Logger.getLogger("digilib.raster");
-	/** AuthOps instance */
-	AuthOps authOp;
-	/** DocuDirCache instance */
-	DocuDirCache dirCache;
-	/** SVG document factory */
-	SAXSVGDocumentFactory docFactory;
-
-	/** use authentication */
-	boolean useAuthentication = false;
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see javax.servlet.Servlet#init(javax.servlet.ServletConfig)
-	 */
-	public void init(ServletConfig config) throws ServletException {
-		super.init(config);
-
-		System.out.println(
-			"***** Digital Image Library SVG Render Servlet (version "
-				+ servletVersion
-				+ ") *****");
-
-		// get our ServletContext
-		ServletContext context = config.getServletContext();
-		// see if there is a Configuration instance
-		dlConfig =
-			(DigilibConfiguration) context.getAttribute(
-				"digilib.servlet.configuration");
-		if (dlConfig == null) {
-			// no config
-			throw new ServletException("ERROR: No Configuration!");
-		}
-		// say hello in the log file
-		logger.info(
-			"***** Digital Image Library SVG Render Servlet (version "
-				+ servletVersion
-				+ ") *****");
-
-		// set our AuthOps
-		useAuthentication = dlConfig.getAsBoolean("use-authorization");
-		authOp = (AuthOps) dlConfig.getValue("servlet.auth.op");
-		// DocuDirCache instance
-		dirCache = (DocuDirCache) dlConfig.getValue("servlet.dir.cache");
-		// parser name as a String (I hate you for not using JAXP, Batik!)
-		String parserName = null;
-		try {
-			// try the proper JAXP way
-			parserName = SAXParserFactory.newInstance().newSAXParser().getXMLReader().getClass().getName();
-		} catch (Exception e) {
-			// fall back to Batik's hack
-			parserName = XMLResourceDescriptor.getXMLParserClassName();
-		}
-		logger.debug("parser name: "+parserName);
-		docFactory = new SAXSVGDocumentFactory(parserName);
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
-	 *      javax.servlet.http.HttpServletResponse)
-	 */
-	protected void doGet(
-		HttpServletRequest request,
-		HttpServletResponse response)
-		throws ServletException, IOException {
-		// create new request with defaults
-		DigilibRequest dlReq = new DigilibRequest();
-		// set with request parameters
-		dlReq.setWithRequest(request);
-		// add DigilibRequest to ServletRequest
-		request.setAttribute("digilib.servlet.request", dlReq);
-		// do the processing
-		processRequest(request, response);
-	}
-
-	/*
-	 */
-	protected void doPost(
-		HttpServletRequest request,
-		HttpServletResponse response)
-		throws ServletException, IOException {
-		// create new request with defaults
-		DigilibRequest dlReq = new DigilibRequest();
-		// set with request parameters
-		dlReq.setWithRequest(request);
-		// add DigilibRequest to ServletRequest
-		request.setAttribute("digilib.servlet.request", dlReq);
-		// do the processing
-		processRequest(request, response);
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see javax.servlet.http.HttpServlet#getLastModified(javax.servlet.http.HttpServletRequest)
-	 */
-	protected long getLastModified(HttpServletRequest request) {
-		logger.debug("GetLastModified from " + request.getRemoteAddr()
-				+ " for " + request.getQueryString());
-		long mtime = -1;
-		// create new request with defaults
-		DigilibRequest dlReq = new DigilibRequest();
-		// set with request parameters
-		dlReq.setWithRequest(request);
-		// find the requested file
-		
-		// get PathInfo
-		String loadPathName = dlReq.getFilePath();
-		// find the file(set)
-		SVGFile fileToLoad =
-			(SVGFile) dirCache.getFile(
-				loadPathName,
-				dlReq.getAsInt("pn"),
-				FileOps.CLASS_SVG);
-		if (fileToLoad != null) {
-			DocuDirectory dd = (DocuDirectory) fileToLoad.getParent();
-			mtime = dd.getDirMTime() / 1000 * 1000;
-		}
-		return mtime;
-	}
-
-	
-	
-	
-	protected void processRequest(
-		HttpServletRequest request,
-		HttpServletResponse response)
-		throws ServletException, IOException {
-
-		logger.debug("request: "+request.getQueryString());
-		// time for benchmarking
-		long startTime = System.currentTimeMillis();
-
-		/*
-		 * request parameters
-		 */
-		DigilibRequest dlRequest =
-			(DigilibRequest) request.getAttribute("digilib.servlet.request");
-
-		// destination image width
-		int paramDW = dlRequest.getAsInt("dw");
-		// destination image height
-		int paramDH = dlRequest.getAsInt("dh");
-		// relative area x_offset (0..1)
-		float paramWX = dlRequest.getAsFloat("wx");
-		// relative area y_offset
-		float paramWY = dlRequest.getAsFloat("wy");
-		// relative area width (0..1)
-		double paramWW = dlRequest.getAsFloat("ww");
-		// relative area height
-		double paramWH = dlRequest.getAsFloat("wh");
-
-		try {
-
-			/*
-			 * find the file to load/send
-			 */
-
-			// get PathInfo
-			String loadPathName = dlRequest.getFilePath();
-			// find the file(set)
-			SVGFile fileToLoad =
-				(SVGFile) dirCache.getFile(
-					loadPathName,
-					dlRequest.getAsInt("pn"),
-					FileOps.CLASS_SVG);
-			if (fileToLoad == null) {
-				throw new FileOpException(
-					"File "
-						+ loadPathName
-						+ "("
-						+ dlRequest.getAsString("pn")
-						+ ") not found.");
-			}
-
-			/*
-			 * read the SVG document
-			 */
-
-			// read the document
-			SVGDocument doc =
-				docFactory.createSVGDocument(
-					fileToLoad.getFile().toURI().toString());
-			// extract the SVG root
-			SVGSVGElement svgroot = doc.getRootElement();
-			// get document width and height
-			float imgWidth = svgroot.getWidth().getBaseVal().getValue();
-			float imgHeight = svgroot.getHeight().getBaseVal().getValue();
-			logger.debug("IMG: "+imgWidth+"x"+imgHeight);
-			
-			/*
-			 * set up the transcoder
-			 */
-
-			// create a PNG transcoder
-			PNGTranscoder transcoder = new PNGTranscoder();
-			// create the transcoder input
-			//InputStream is = new FileInputStream(fileToLoad.getFile());
-			TranscoderInput input = new TranscoderInput(doc);
-			logger.info("Loading: " + fileToLoad.getFile());
-			// create the transcoder output
-			TranscoderOutput output =
-				new TranscoderOutput(response.getOutputStream());
-			// output is image/png
-			response.setContentType("image/png");
-
-			// area of interest
-			Rectangle2D aoi =
-			new Rectangle2D.Double(
-					paramWX * imgWidth,
-					paramWY * imgHeight,
-					paramWW * imgWidth,
-					paramWH * imgHeight);
-			transcoder.addTranscodingHint(PNGTranscoder.KEY_AOI, aoi);
-
-			// destination image dimensions
-			if (paramDW > 0) {
-				transcoder.addTranscodingHint(
-					PNGTranscoder.KEY_WIDTH,
-					new Float(paramDW));
-			}
-			if (paramDH > 0) {
-				transcoder.addTranscodingHint(
-					PNGTranscoder.KEY_HEIGHT,
-					new Float(paramDH));
-			}
-
-			/*
-			 * transcode
-			 */
-
-			transcoder.transcode(input, output);
-
-			logger.info(
-				"Done in " + (System.currentTimeMillis() - startTime) + "ms");
-
-			/*
-			 * error handling
-			 */
-			
-		} catch (FileOpException e) {
-			logger.error("ERROR: File IO Error: ", e);
-			try {
-				ServletOps.htmlMessage("ERROR: File IO Error: " + e, response);
-			} catch (Exception ex) {
-			} // so we don't get a loop
-		} catch (TranscoderException e) {
-			logger.error("ERROR: SVG encoder error: ", e);
-			try {
-				ServletOps.htmlMessage(
-					"ERROR: SVG encoder error: " + e,
-					response);
-			} catch (Exception ex) {
-			} // so we don't get a loop
-		}
-
-	}
-
-}