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Posted to fop-commits@xmlgraphics.apache.org by es...@locus.apache.org on 2000/05/23 11:06:32 UTC
cvs commit: xml-fop/src/org/apache/fop/image FopImageFactory.java
eschaeffer 00/05/23 02:06:30
Modified: src/org/apache/fop/image FopImageFactory.java
Log:
new FopImageFactory, no configuration file for the moment (needs to be updated)
Revision Changes Path
1.6 +137 -37 xml-fop/src/org/apache/fop/image/FopImageFactory.java
Index: FopImageFactory.java
===================================================================
RCS file: /home/cvs/xml-fop/src/org/apache/fop/image/FopImageFactory.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- FopImageFactory.java 1999/11/22 02:31:43 1.5
+++ FopImageFactory.java 2000/05/23 09:06:27 1.6
@@ -1,4 +1,4 @@
-/*-- $Id: FopImageFactory.java,v 1.5 1999/11/22 02:31:43 jtauber Exp $ --
+/*-- $Id: FopImageFactory.java,v 1.6 2000/05/23 09:06:27 eschaeffer Exp $ --
============================================================================
The Apache Software License, Version 1.1
@@ -48,50 +48,150 @@
Software Foundation, please see <http://www.apache.org/>.
*/
-/* modified by JKT to integrate into 0.12.0 */
+//Author: Eric SCHAEFFER
+//Description: create FopImage objects (with a configuration file)
-//Title: BoBoGi FOP
-//Version: x
-//Copyright: Copyright (c) 1999
-//Author: Sergio Botti
-//Company: Dibe Elsag
-//Description: xml to pdf converter
-
package org.apache.fop.image;
-import java.io.FileInputStream;
+// Java
import java.io.IOException;
+import java.net.*;
+import java.lang.reflect.*;
+import java.util.Hashtable;
public class FopImageFactory {
+
+ private static Hashtable m_urlMap = new Hashtable();
- public static FopImage Make(String ref,int x,int y, int width, int height) {
+ public static FopImage Make(String href) throws MalformedURLException, FopImageException {
+ // Get the absolute URL
+ URL absoluteURL = null;
+// try {
+ absoluteURL = new URL(href);
+/*
+ }
+ catch (MalformedURLException e) {
+ // maybe relative
+ URL context_url = null;
+ try {
+ context_url = new URL(); // how to get the context URL ?
+ try {
+ absoluteURL = new URL(context_url, ref);
+ }
+ catch (MalformedURLException e_abs) {
+ // not found
+ System.err.println("Invalid Image URL : " + e_abs.getMessage() + "(base URL " + context_url.toString() + ")");
+ return null;
+ }
+ }
+ catch (MalformedURLException e_context) {
+ // pb context url
+ System.err.println("Invalid Image URL - error on relative URL : " + e_context.getMessage());
+ return null;
+ }
+ }
+*/
+
+ // check if already created
+ FopImage imageObject = (FopImage) m_urlMap.get(absoluteURL.toString());
+ if (imageObject != null) return imageObject;
+
+ // If not, check the content type and create a new one
+
+ String contentType = null;
+ // try to get content type by URL
+ try {
+ URLConnection url_conn = absoluteURL.openConnection();
+ contentType = url_conn.getContentType();
+ } catch (IOException e) {
+ throw new FopImageException("Error while recovering Image Type (" + absoluteURL.toString() + ") : " + e.getMessage());
+ }
+
+ // try get content type by extension if the first method failed
+ if (contentType == null) {
+ String stringURL = absoluteURL.toString();
+ int extensionStart = stringURL.lastIndexOf(".");
+ if ( ( extensionStart > 0 ) && ( extensionStart < stringURL.length() - 1 ) ) {
+ String extensionURL = stringURL.substring(extensionStart + 1, stringURL.length());
+
+ // BETTER : use the configuration file to associate an extension to a mime-type
+
+ if ( extensionURL.equalsIgnoreCase("gif") ) {
+ contentType = "image/gif";
+ } else if ( ( extensionURL.equalsIgnoreCase("jpeg") ) ||
+ ( extensionURL.equalsIgnoreCase("jpg") ) ||
+ ( extensionURL.equalsIgnoreCase("jpe") ) ) {
+ contentType = "image/jpeg";
+ } else if ( extensionURL.equalsIgnoreCase("png") ) {
+ contentType = "image/png";
+ } else if ( extensionURL.equalsIgnoreCase("tga") ) {
+ contentType = "image/tga";
+ } else if ( extensionURL.equalsIgnoreCase("dib") ) {
+ contentType = "image/dib";
+ } else if ( extensionURL.equalsIgnoreCase("ddb") ) {
+ contentType = "image/ddb";
+ } else if ( extensionURL.equalsIgnoreCase("bmp") ) {
+ contentType = "image/bmp";
+ } else if ( extensionURL.equalsIgnoreCase("pict") ) {
+ contentType = "image/pict";
+ } else if ( extensionURL.equalsIgnoreCase("psd") ) {
+ contentType = "image/jpeg";
+ } else if ( extensionURL.equalsIgnoreCase("ras") ) {
+ contentType = "image/cmu-raster";
+ } else if ( ( extensionURL.equalsIgnoreCase("tiff") ) ||
+ ( extensionURL.equalsIgnoreCase("tif") ) ) {
+ contentType = "image/tiff";
+ } else if ( extensionURL.equalsIgnoreCase("xbm") ) {
+ contentType = "image/xbm";
+ } else if ( extensionURL.equalsIgnoreCase("xpm") ) {
+ contentType = "image/xpm";
+ } else if ( extensionURL.equalsIgnoreCase("ico") ) {
+ contentType = "image/ico";
+ } else if ( extensionURL.equalsIgnoreCase("cur") ) {
+ contentType = "image/cur";
+ } else if ( extensionURL.equalsIgnoreCase("pcx") ) {
+ contentType = "image/pcx";
+ }
+ }
+ }
+
+ // if content type is still unknown
+ if (contentType == null) {
+ throw new FopImageException("Unknown image type (" + absoluteURL.toString() + ")");
+ }
+
+ // load the right image class (configuration file)
+ // ...
+ // return new <FopImage implementing class>
+ // ...
+ Object imageInstance = null;
+ Class imageClass = null;
+ try {
+ imageClass = Class.forName("org.apache.fop.image.JimiImage"); //ClassNotFoundException
+ Class[] imageConstructorParameters = new Class[1];
+ imageConstructorParameters[0] = Class.forName("java.net.URL");
+ Constructor imageConstructor = imageClass.getDeclaredConstructor(imageConstructorParameters); //NoSuchMethodException, SecurityException
+ Object[] initArgs = new Object[1];
+ initArgs[0] = absoluteURL;
+ imageInstance = imageConstructor.newInstance(initArgs); // InstanciationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException
+ } catch (ClassNotFoundException classex) {
+ throw new FopImageException("class " + "org.apache.fop.image.JimiImage" + " not found");
+/*
+ } catch (FopImageException fopex) {
+ throw new FopImageException(fopex.getMessage());
+*/
+ } catch (Exception ex) {
+ throw new FopImageException("class " + imageClass.getName() + " doesn't implement org.apache.fop.image.FopImage interface : " + ex.getMessage());
+ }
+ if (! (imageInstance instanceof org.apache.fop.image.FopImage)) {
+ throw new FopImageException("class " + imageClass.getName() + " doesn't implement org.apache.fop.image.FopImage interface");
+ }
+ m_urlMap.put(absoluteURL.toString(), imageInstance);
+ return (FopImage) imageInstance;
- int colorpos=28; //offset positioning for w and height in bmp files
- int [] headermap = new int[54];
- try{
- FileInputStream file=new FileInputStream(ref);
- boolean eof=false;
- int count=0;
- while ((!eof) && (count<54) ) {
- int input =file.read();
- if (input==-1)
- eof=true;
- else
- headermap[count++]=input;
- }
- file.close();
- } catch (IOException e) {System.err.println("Image not found");}
- int bpp=headermap[28];
- if (bpp==8) {
- return (new BmpBwImage(ref,x,y,width,height));
- } else if (bpp==24) {
- return (new BmpColImage(ref,x,y,width,height));
+ // if no corresponding image class
+// throw new FopImageException(contentType + " not supported (" + absoluteURL.toString() + ")");
}
- System.err.println("Unsupported bmp format");
-
- return null;
-
- }
-}
+}