xref: /AOO41X/main/xmerge/source/bridge/java/XMergeBridge.java (revision 670c6ce3a38d7a1e133e70a2c9b5b397e90eaf64)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 /** You can find more
25  * information on the following web page:
26  * http://api.openoffice.org/common/ref/com/sun/star/index.html
27  */
28 
29 
30 /*Java Uno Helper Classes*/
31 import com.sun.star.lib.uno.adapter.XInputStreamToInputStreamAdapter;
32 import com.sun.star.lib.uno.adapter.XOutputStreamToOutputStreamAdapter;
33 
34 /*StarOffice/Uno Classes*/
35 import com.sun.star.lang.XMultiServiceFactory;
36 import com.sun.star.lang.XServiceInfo;
37 import com.sun.star.lang.XTypeProvider;
38 import com.sun.star.uno.Type;
39 import com.sun.star.uno.UnoRuntime;
40 import com.sun.star.comp.loader.FactoryHelper;
41 import com.sun.star.lang.XServiceName;
42 import com.sun.star.lang.XSingleServiceFactory;
43 import com.sun.star.registry.XRegistryKey;
44 import com.sun.star.frame.XConfigManager;
45 import com.sun.star.xml.sax.InputSource;
46 import com.sun.star.xml.sax.XParser;
47 import com.sun.star.io.XInputStream;
48 import com.sun.star.io.XOutputStream;
49 import com.sun.star.xml.sax.XDocumentHandler;
50 import com.sun.star.uno.AnyConverter;
51 
52 /* Generated from Idls */
53 import com.sun.star.xml.XImportFilter;
54 import com.sun.star.xml.XExportFilter;
55 
56 /* XMerge Classes */
57 import org.openoffice.xmerge.util.registry.ConverterInfoReader;
58 import org.openoffice.xmerge.util.registry.ConverterInfo;
59 import org.openoffice.xmerge.util.registry.ConverterInfoMgr;
60 import org.openoffice.xmerge.Convert;
61 import org.openoffice.xmerge.ConverterFactory;
62 import org.openoffice.xmerge.Document;
63 import org.openoffice.xmerge.ConvertData;
64 import org.openoffice.xmerge.converter.xml.OfficeDocument;
65 /*Java Classes*/
66 import java.util.Enumeration;
67 import java.io.*;
68 import javax.xml.parsers.*;
69 import java.net.URI;
70 
71 
72 /** This outer class provides an inner class to implement the service
73  * description and a method to instantiate the
74  * component on demand (__getServiceFactory()).
75  */
76 public class XMergeBridge {
77 
78 
79     private static XMultiServiceFactory xMSF;
80     private static XDocumentHandler exportDocHandler=null;
81     private static XInputStream xInStream =null;
82     private static XOutputStream xOutStream=null;
83     private static String  udJarPath=null;
84     private static XOutputStream xos = null;
85     private static XOutputStreamToOutputStreamAdapter adaptedStream=null;
86     private static String offMime=null;
87     private static String sdMime=null;
88     private static String sFileName=null;
89     private static String sURL="";
90 
91     //private static FileOutputStream adaptedStream =null;
92 
93     /** This inner class provides the component as a concrete implementation
94      * of the service description. It implements the needed interfaces.
95      */
96     static public class _XMergeBridge implements
97                                                XImportFilter,
98      XExportFilter,
99         XServiceName,
100         XServiceInfo,
101     XDocumentHandler,
102         XTypeProvider {
103 
104         /** The component will be registered under this name.
105          */
106         static private final String __serviceName = "com.sun.star.documentconversion.XMergeBridge";
107 
108 
109 
110         public com.sun.star.uno.Type[] getTypes() {
111             Type[] typeReturn = {};
112 
113             try {
114                 typeReturn = new Type[] {
115                 new Type( XTypeProvider.class ),
116                 new Type( XImportFilter.class ),
117         new Type( XExportFilter.class ),
118                 new Type( XServiceName.class ),
119                 new Type( XServiceInfo.class ) };
120             }
121             catch( Exception exception ) {
122 
123             }
124 
125             return( typeReturn );
126         }
127 
128     String getFileName(String origName)
129     {
130         String name=null;
131         if (origName !=null)
132         {
133         if(origName.equalsIgnoreCase(""))
134             name = "OutFile";
135         else {
136             if (origName.lastIndexOf("/")>=0){
137                 origName=origName.substring(origName.lastIndexOf("/")+1,origName.length());
138             }
139             if (origName.lastIndexOf(".")>=0){
140             name = origName.substring(0,(origName.lastIndexOf(".")));
141             }
142             else{
143             name=origName;
144             }
145         }
146         }
147         else{
148         name = "OutFile";
149         }
150         return name;
151     }
152 
153 
154 
155     public boolean importer(com.sun.star.beans.PropertyValue[] aSourceData,
156                 com.sun.star.xml.sax.XDocumentHandler xDocHandler,
157                 java.lang.String[] msUserData) throws com.sun.star.uno.RuntimeException {
158                 /*
159         System.out.println("\nFound the Importer!\n");
160 
161         System.out.println("\n"+msUserData[0]);
162         System.out.println("\n"+msUserData[1]);
163         System.out.println("\n"+msUserData[2]);
164         System.out.println("\n"+msUserData[3]);
165         System.out.println("\n"+msUserData[4]);
166         System.out.println("\n"+msUserData[5]);
167         */
168         sFileName="";
169         sURL="";
170         String sDirectory = null;
171         String udConvertClass=msUserData[0];
172         udJarPath=msUserData[1];
173         String udImport =msUserData[2];
174         String udExport =msUserData[3];
175         offMime =msUserData[4];
176         sdMime = msUserData[5];
177         com.sun.star.io.XInputStream xis=null;
178         com.sun.star.beans.PropertyValue[] pValue = aSourceData;
179 
180         for  (int  i = 0 ; i < pValue.length; i++)
181         {
182 
183         //System.out.println("\n"+pValue[i].Name+" "+pValue[i].Value;
184 
185          try{
186              //System.out.println("\n"+pValue[i].Name+" "+pValue[i].Value);
187              if (pValue[i].Name.compareTo("InputStream")==0){
188             xis=(com.sun.star.io.XInputStream)AnyConverter.toObject(new Type(com.sun.star.io.XInputStream.class), pValue[i].Value);
189              }
190              if (pValue[i].Name.compareTo("FileName")==0){
191              sFileName=(String)AnyConverter.toObject(new Type(java.lang.String.class), pValue[i].Value);
192              }
193 
194          }
195          catch(com.sun.star.lang.IllegalArgumentException AnyExec){
196              System.out.println("\nIllegalArgumentException "+AnyExec);
197          }
198 
199 
200 
201         }
202 
203 
204         try{
205 
206         Object xCfgMgrObj=xMSF.createInstance("com.sun.star.config.SpecialConfigManager");
207          XConfigManager xCfgMgr = (XConfigManager) UnoRuntime.queryInterface(
208                                             XConfigManager.class , xCfgMgrObj );
209         String PathString=xCfgMgr.substituteVariables("$(progurl)" );
210         PathString= PathString.concat("/");
211         udJarPath= PathString.concat(udJarPath);
212 
213         Object xPipeObj=xMSF.createInstance("com.sun.star.io.Pipe");
214         xInStream = (XInputStream) UnoRuntime.queryInterface(
215                         XInputStream.class , xPipeObj );
216             xOutStream = (XOutputStream) UnoRuntime.queryInterface(
217                         XOutputStream.class , xPipeObj );
218         convert (xis,xOutStream,false,udJarPath,sFileName,offMime,sdMime);
219         Object xSaxParserObj=xMSF.createInstance("com.sun.star.xml.sax.Parser");
220 
221         XParser xParser = (XParser) UnoRuntime.queryInterface(
222                         XParser.class , xSaxParserObj );
223         if (xParser==null){
224             System.out.println("\nParser creation Failed");
225         }
226         xOutStream.closeOutput();
227         InputSource aInput = new InputSource();
228         if (sFileName==null){
229             sFileName="";
230             }
231         aInput.sSystemId = sFileName;
232         aInput.aInputStream =xInStream;
233                 xParser.setDocumentHandler ( xDocHandler );
234 
235         xParser.parseStream ( aInput );
236         xOutStream.closeOutput();
237         xInStream.closeInput();
238 
239         }
240         catch (IOException e){
241         //System.out.println("XMergeBridge IO Exception "+e.getMessage());
242           return false;
243         }
244          catch (Exception e){
245         //System.out.println("XMergeBridge Exception "+e+" "+e.getMessage());
246         return false;
247         }
248         return true;
249     }
250 
251        public boolean exporter(com.sun.star.beans.PropertyValue[] aSourceData,
252                    java.lang.String[] msUserData) throws com.sun.star.uno.RuntimeException{
253 
254                    /*
255         System.out.println("\nFound the Exporter!\n");
256 
257         System.out.println("\n"+msUserData[0]);
258         System.out.println("\n"+msUserData[1]);
259         System.out.println("\n"+msUserData[2]);
260         System.out.println("\n"+msUserData[3]);
261         System.out.println("\n"+msUserData[4]);
262         System.out.println("\n"+msUserData[5]);
263         */
264         sFileName=null;
265         sURL=null;
266         String sDirectory = null;
267         String title=null;
268         String udConvertClass=msUserData[0];
269         udJarPath=msUserData[1];
270         String udImport =msUserData[2];
271         String udExport =msUserData[3];
272         offMime =msUserData[4];
273         sdMime = msUserData[5];
274 
275         com.sun.star.beans.PropertyValue[] pValue = aSourceData;
276         for  (int  i = 0 ; i < pValue.length; i++)
277         {
278 
279         //System.out.println("\n"+pValue[i].Name+" "+pValue[i].Value);
280 
281 
282         try{
283             //System.out.println("\n"+pValue[i].Name+" "+pValue[i].Value);
284             if (pValue[i].Name.compareTo("OutputStream")==0){
285             xos=(com.sun.star.io.XOutputStream)AnyConverter.toObject(new Type(com.sun.star.io.XOutputStream.class), pValue[i].Value);
286             //  System.out.println(pValue[i].Name+" "+xos);
287             }
288             if (pValue[i].Name.compareTo("FileName")==0){
289             sFileName=(String)AnyConverter.toObject(new Type(java.lang.String.class), pValue[i].Value);
290             //System.out.println(pValue[i].Name+" "+sFileName);
291             }
292             if (pValue[i].Name.compareTo("URL")==0){
293             sURL=(String)AnyConverter.toObject(new Type(java.lang.String.class), pValue[i].Value);
294             // System.out.println("\nMediaDescriptor url "+pValue[i].Name+" "+sURL);
295 
296             }
297             if (pValue[i].Name.compareTo("Title")==0){
298 
299             title=(String)AnyConverter.toObject(new Type(java.lang.String.class), pValue[i].Value);
300             //System.out.println(pValue[i].Name+" "+title);
301             }
302         }
303         catch(com.sun.star.lang.IllegalArgumentException AnyExec){
304              System.out.println("\nIllegalArgumentException "+AnyExec);
305         }
306         }
307 
308 
309         if (sURL==null){
310         sURL="";
311         }
312 
313          try{
314 
315          Object xCfgMgrObj=xMSF.createInstance("com.sun.star.config.SpecialConfigManager");
316          XConfigManager xCfgMgr = (XConfigManager) UnoRuntime.queryInterface(
317                                             XConfigManager.class , xCfgMgrObj );
318 
319         String PathString=xCfgMgr.substituteVariables("$(progurl)" );
320         PathString= PathString.concat("/");
321         udJarPath= PathString.concat(udJarPath);
322 
323         Object xPipeObj=xMSF.createInstance("com.sun.star.io.Pipe");
324         xInStream = (XInputStream) UnoRuntime.queryInterface(
325                         XInputStream.class , xPipeObj );
326         xOutStream = (XOutputStream) UnoRuntime.queryInterface(
327                         XOutputStream.class , xPipeObj );
328            }
329           catch (Exception e){
330         System.out.println("Exception "+e);
331           return false;
332         }
333 
334         return true;
335        }
336 
337     public String replace(String origString, String origChar, String replaceChar){
338            String tmp="";
339            int index=origString.indexOf(origChar);
340            if(index !=-1){
341            while (index !=-1){
342                String first =origString.substring(0,index);
343                first=first.concat(replaceChar);
344                tmp=tmp.concat(first);
345                origString=origString.substring(index+1,origString.length());
346                index=origString.indexOf(origChar);
347                if(index==-1) {
348                tmp=tmp.concat(origString);
349                }
350 
351            }
352 
353            }
354            return tmp;
355     }
356 
357     public String needsMask(String origString){
358         if (origString.indexOf("&")!=-1){
359         origString=replace(origString,"&","&amp;");
360         }
361          if (origString.indexOf("\"")!=-1){
362         origString=replace(origString,"\"","&quot;");
363         }
364         if (origString.indexOf("<")!=-1){
365         origString=replace(origString,"<","&lt;");
366         }
367         if (origString.indexOf(">")!=-1){
368         origString=replace(origString,">","&gt;");
369         }
370         return origString;
371 
372     }
373 
374 
375 
376        public void  startDocument ()    {
377        //System.out.println("\nStart Document!");
378        }
379 
380     public void endDocument()throws com.sun.star.uno.RuntimeException
381     {
382 
383         try{
384         xOutStream.closeOutput();
385         convert (xInStream,xos,true,udJarPath,sURL,offMime,sdMime);
386 
387         }
388         catch (IOException e){
389         //System.out.println("Exception "+e);
390         throw new com.sun.star.uno.RuntimeException(e.getMessage());
391 
392         }
393          catch (Exception e){
394         //System.out.println("Exception "+e);
395         throw new com.sun.star.uno.RuntimeException("Xmerge Exception");
396 
397         }
398     }
399 
400 
401 
402     public void startElement (String str, com.sun.star.xml.sax.XAttributeList xattribs)
403     {
404 
405         str="<".concat(str);
406         if (xattribs !=null)
407         {
408         str= str.concat(" ");
409         int len=xattribs.getLength();
410         for (short i=0;i<len;i++)
411             {
412             str=str.concat(xattribs.getNameByIndex(i));
413             str=str.concat("=\"");
414             str=str.concat(needsMask(xattribs.getValueByIndex(i)));
415             str=str.concat("\" ");
416             }
417         }
418         str=str.concat(">");
419         // System.out.println(str);
420         try{
421          xOutStream.writeBytes(str.getBytes("UTF-8"));
422         }
423         catch (Exception e){
424         System.out.println("\n"+e);
425         }
426 
427     }
428 
429     public void endElement(String str){
430 
431         str="</".concat(str);
432         str=str.concat(">");
433         try{
434          xOutStream.writeBytes(str.getBytes("UTF-8"));
435 
436         }
437         catch (Exception e){
438         System.out.println("\n"+e);
439         }
440 
441 
442     }
443     public void characters(String str){
444         str=needsMask(str);
445         try{
446          xOutStream.writeBytes(str.getBytes("UTF-8"));
447         }
448        catch (Exception e){
449            System.out.println("\n"+e);
450        }
451 
452 
453     }
454 
455     public void ignorableWhitespace(String str){
456 
457 
458     }
459        public void processingInstruction(String aTarget, String aData){
460 
461        }
462 
463     public void setDocumentLocator(com.sun.star.xml.sax.XLocator xLocator){
464 
465     }
466 
467 
468 
469 
470 
471 
472     public void convert (com.sun.star.io.XInputStream xml,com.sun.star.io.XOutputStream device,
473              boolean convertFromOffice,String pluginUrl,String FileName,String offMime,String sdMime) throws com.sun.star.uno.RuntimeException, IOException {
474 
475          String jarName = pluginUrl;
476          String name= getFileName(FileName);
477 
478          ConverterInfo converterInfo = null;
479          Enumeration ciEnum= null;
480 
481          XInputStreamToInputStreamAdapter xis =new XInputStreamToInputStreamAdapter(xml);
482 
483 
484          XOutputStreamToOutputStreamAdapter newxos =new XOutputStreamToOutputStreamAdapter(device);
485          try{
486          ConverterInfoReader cir = new ConverterInfoReader(jarName,false);
487          ciEnum =cir.getConverterInfoEnumeration();
488          }
489          catch (ParserConfigurationException pexc){
490           System.out.println("Error:"+pexc);
491          }
492           catch ( org.xml.sax.SAXException pexc){
493           System.out.println("Error:"+pexc);
494          }
495          catch(Exception e){
496          System.out.println("Error:"+e);
497          }
498          ConverterInfoMgr. removeByJar(jarName);
499          if (convertFromOffice)
500          {
501 
502          try {
503 
504              //Check to see if jar contains a plugin Impl
505 
506                  ConverterInfoMgr.addPlugIn(ciEnum);
507              ConverterFactory cf = new ConverterFactory();
508 
509              Convert cv = cf.getConverter(ConverterInfoMgr.findConverterInfo(sdMime,offMime),false);
510              if (cv == null) {
511                  System.out.println("\nNo plug-in exists to convert from <staroffice/sxw> to <specified format> ");
512 
513              }
514              else
515              {
516                  cv.addInputStream(name,(InputStream)xis,false);
517                  ConvertData dataOut = cv.convert();
518 
519                  Enumeration docEnum = dataOut.getDocumentEnumeration();
520 
521                  if (docEnum.hasMoreElements()){
522                      Document docOut      = (Document)docEnum.nextElement();
523                      String fileName      = docOut.getFileName();
524                      docOut.write(newxos);
525 
526                      newxos.flush();
527                      newxos.close();
528 
529 
530                      int i=1;
531                      while (docEnum.hasMoreElements() && sURL.startsWith("file:")) {
532                      //URI uri=new URI(sFileName);
533                      URI uri=new URI(sURL);
534                      String  newFileName= getPath(uri);
535 
536 
537                      //System.out.println("\nURI: "+uri.getPath());
538                      File newFile=null;
539                      if (newFileName.lastIndexOf(".")!=-1){
540                          newFile =new File(newFileName.substring(0,newFileName.lastIndexOf("."))+String.valueOf(i)+newFileName.substring(newFileName.lastIndexOf(".")));
541                      }
542                      else{
543                         newFile =new File(newFileName.concat(String.valueOf(i)));
544                      }
545 
546                      FileOutputStream fos = new FileOutputStream(newFile);
547                      docOut      = (Document)docEnum.nextElement();
548                      fileName      = docOut.getFileName();
549                      docOut.write(fos);
550                      fos.flush();
551                      fos.close();
552                      i++;
553 
554                      }
555 
556                  }
557              }
558              ConverterInfoMgr.removeByJar(jarName);
559          }
560          catch (StackOverflowError sOE){
561              System.out.println("\nERROR : Stack OverFlow. \n Increase of the JRE by adding the following line to the end of the javarc file \n \"-Xss1m\"\n");
562 
563          }
564          catch (Exception e) {
565              System.out.println("Error:"+e);
566               throw new IOException("Xmerge Exception");
567              }
568          }
569          else{
570 
571          try {
572               //Check to see if jar contains a plugin Impl
573                  ConverterInfoMgr.addPlugIn(ciEnum);
574                  ConverterFactory cf = new ConverterFactory();
575              Convert cv = cf.getConverter(ConverterInfoMgr.findConverterInfo(sdMime,offMime),true);
576              if (cv == null) {
577                  System.out.println("\nNo plug-in exists to convert to <staroffice/sxw> from <specified format>");
578              }
579              else
580              {
581                              /*
582                              ByteArrayOutputStream bout = new ByteArrayOutputStream();
583                              byte[][] buf = new byte[1][4096];
584                              int n=0;
585                              while ((n=xml.readSomeBytes(buf, 4096))>0)
586                                  bout.write(buf[0], 0, n);
587                              ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
588                              cv.addInputStream(name, bin, false);
589                             */
590                  cv.addInputStream(name,(InputStream)xis,false);
591                  //System.out.println("\nConverting");
592                  ConvertData dataIn = cv.convert();
593                  //System.out.println("\nFinished Converting");
594                  Enumeration docEnum = dataIn.getDocumentEnumeration();
595                  while (docEnum.hasMoreElements()) {
596                  OfficeDocument docIn      = (OfficeDocument)docEnum.nextElement();
597 
598                  docIn.write(newxos,false);
599                  }
600                  //newxos.write(-1); //EOF character
601                                //newxos.flush();
602                  newxos.close();
603              }
604              ConverterInfoMgr.removeByJar(jarName);
605          }
606          catch (StackOverflowError sOE){
607               System.out.println("\nERROR : Stack OverFlow. \n Increase of the JRE by adding the following line to the end of the javarc file \n \"-Xss1m\"\n");
608          }
609          catch (Exception e) {
610              System.out.println("Error:"+e);
611              throw new IOException("Xmerge Exception");
612          }
613 
614 
615          }
616 
617     }
618 
619         private String getPath(URI uri){
620         String path = uri.getPath();
621         String opSys=System.getProperty("os.name");
622         if(opSys.indexOf("Windows")!=-1){
623         path= path.replace('/','\\');
624         path = path.substring(1);
625         }
626         return path;
627     }
628 
629 
630 
631 
632 
633 
634 
635         // Implement methods from interface XTypeProvider
636         public byte[] getImplementationId() {
637             byte[] byteReturn = {};
638 
639             byteReturn = new String( "" + this.hashCode() ).getBytes();
640 
641             return( byteReturn );
642         }
643 
644         // Implement method from interface XServiceName
645         public String getServiceName() {
646             return( __serviceName );
647         }
648 
649         // Implement methods from interface XServiceInfo
650         public boolean supportsService(String stringServiceName) {
651             return( stringServiceName.equals( __serviceName ) );
652         }
653 
654         public String getImplementationName() {
655             return( _XMergeBridge.class.getName() );
656         }
657 
658         public String[] getSupportedServiceNames() {
659             String[] stringSupportedServiceNames = { __serviceName };
660             return( stringSupportedServiceNames );
661         }
662     }
663 
664     /**
665      * Returns a factory for creating the service.
666      * This method is called by the <code>JavaLoader</code>
667      *
668      * @return  returns a <code>XSingleServiceFactory</code> for creating the
669      *          component
670      *
671      * @param   implName     the name of the implementation for which a
672      *                       service is desired
673      * @param   multiFactory the service manager to be used if needed
674      * @param   regKey       the registryKey
675      *
676      * @see                  com.sun.star.comp.loader.JavaLoader
677      */
678     public static XSingleServiceFactory __getServiceFactory(String implName,
679     XMultiServiceFactory multiFactory,
680     XRegistryKey regKey) {
681     xMSF= multiFactory;
682         XSingleServiceFactory xSingleServiceFactory = null;
683         if (implName.equals(_XMergeBridge.class.getName()) ) {
684             xSingleServiceFactory = FactoryHelper.getServiceFactory(_XMergeBridge.class,
685             _XMergeBridge.__serviceName,
686             multiFactory,
687             regKey);
688         }
689 
690         return xSingleServiceFactory;
691     }
692 }
693