Source Code Cross Referenced for xlsParser.java in  » Search-Engine » yacy » de » anomic » plasma » parser » xls » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Search Engine » yacy » de.anomic.plasma.parser.xls 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        //xlsParser.java 
002:        //------------------------
003:        //part of YaCy
004:        //(C) by Michael Peter Christen; mc@anomic.de
005:        //first published on http://www.anomic.de
006:        //Frankfurt, Germany, 2005
007:
008:        //this file is contributed by Tim Riemann
009:        //last major change: 12.09.2006
010:
011:        //This program is free software; you can redistribute it and/or modify
012:        //it under the terms of the GNU General Public License as published by
013:        //the Free Software Foundation; either version 2 of the License, or
014:        //(at your option) any later version.
015:
016:        //This program is distributed in the hope that it will be useful,
017:        //but WITHOUT ANY WARRANTY; without even the implied warranty of
018:        //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
019:        //GNU General Public License for more details.
020:
021:        //You should have received a copy of the GNU General Public License
022:        //along with this program; if not, write to the Free Software
023:        //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024:
025:        //Using this software in any meaning (reading, learning, copying, compiling,
026:        //running) means that you agree that the Author(s) is (are) not responsible
027:        //for cost, loss of data or any harm that may be caused directly or indirectly
028:        //by usage of this softare or this documentation. The usage of this software
029:        //is on your own risk. The installation and usage (starting/running) of this
030:        //software may allow other people or application to access your computer and
031:        //any attached devices and is highly dependent on the configuration of the
032:        //software which must be done by the user of the software; the author(s) is
033:        //(are) also not responsible for proper configuration and usage of the
034:        //software, even if provoked by documentation provided together with
035:        //the software.
036:
037:        //Any changes to this file according to the GPL as documented in the file
038:        //gpl.txt aside this file in the shipment you received can be done to the
039:        //lines that follows this copyright notice here, but changes must not be
040:        //done inside the copyright notive above. A re-distribution must contain
041:        //the intact and unchanged copyright notice.
042:        //Contributions and changes to the program code must be marked as such.
043:
044:        package de.anomic.plasma.parser.xls;
045:
046:        import java.io.InputStream;
047:        import java.util.Hashtable;
048:
049:        import org.apache.poi.hssf.eventusermodel.HSSFEventFactory;
050:        import org.apache.poi.hssf.eventusermodel.HSSFListener;
051:        import org.apache.poi.hssf.eventusermodel.HSSFRequest;
052:        import org.apache.poi.hssf.record.LabelSSTRecord;
053:        import org.apache.poi.hssf.record.NumberRecord;
054:        import org.apache.poi.hssf.record.Record;
055:        import org.apache.poi.hssf.record.SSTRecord;
056:        import org.apache.poi.poifs.filesystem.POIFSFileSystem;
057:
058:        import de.anomic.plasma.plasmaParserDocument;
059:        import de.anomic.plasma.parser.AbstractParser;
060:        import de.anomic.plasma.parser.Parser;
061:        import de.anomic.plasma.parser.ParserException;
062:        import de.anomic.yacy.yacyURL;
063:
064:        public class xlsParser extends AbstractParser implements  Parser,
065:                HSSFListener {
066:
067:            //StringBuffer for parsed text
068:            private StringBuffer sbFoundStrings = null;
069:
070:            //sstrecord needed for event parsing
071:            private SSTRecord sstrec;
072:
073:            /**
074:             * a list of mime types that are supported by this parser class
075:             * @see #getSupportedMimeTypes()
076:             */
077:            public static final Hashtable<String, String> SUPPORTED_MIME_TYPES = new Hashtable<String, String>();
078:            static {
079:                SUPPORTED_MIME_TYPES.put("application/msexcel", "xls");
080:                SUPPORTED_MIME_TYPES.put("application/excel", "xls");
081:                SUPPORTED_MIME_TYPES.put("application/vnd.ms-excel", "xls");
082:                SUPPORTED_MIME_TYPES.put("application/x-excel", "xls");
083:                SUPPORTED_MIME_TYPES.put("application/x-msexcel", "xls");
084:            }
085:
086:            /**
087:             * a list of library names that are needed by this parser
088:             * @see Parser#getLibxDependences()
089:             */
090:            private static final String[] LIBX_DEPENDENCIES = new String[] {
091:                    "poi-3.0-alpha2-20060616.jar",
092:                    "poi-scratchpad-3.0-alpha2-20060616.jar", };
093:
094:            public xlsParser() {
095:                super (LIBX_DEPENDENCIES);
096:                this .parserName = "Microsoft Excel Parser";
097:                this .parserVersionNr = "0.1";
098:            }
099:
100:            /*
101:             * parses the source documents and returns a plasmaParserDocument containing
102:             * all extracted information about the parsed document
103:             */
104:            public plasmaParserDocument parse(yacyURL location,
105:                    String mimeType, String charset, InputStream source)
106:                    throws ParserException, InterruptedException {
107:                try {
108:                    //generate new StringBuffer for parsing
109:                    sbFoundStrings = new StringBuffer();
110:
111:                    //create a new org.apache.poi.poifs.filesystem.Filesystem
112:                    POIFSFileSystem poifs = new POIFSFileSystem(source);
113:                    //get the Workbook (excel part) stream in a InputStream
114:                    InputStream din = poifs
115:                            .createDocumentInputStream("Workbook");
116:                    //construct out HSSFRequest object
117:                    HSSFRequest req = new HSSFRequest();
118:                    //lazy listen for ALL records with the listener shown above
119:                    req.addListenerForAllRecords(this );
120:                    //create our event factory
121:                    HSSFEventFactory factory = new HSSFEventFactory();
122:                    //process our events based on the document input stream
123:                    factory.processEvents(req, din);
124:                    //close our document input stream (don't want to leak these!)
125:                    din.close();
126:
127:                    //now the parsed strings are in the StringBuffer, now convert them to a String
128:                    String contents = sbFoundStrings.toString();
129:
130:                    /*
131:                     * create the plasmaParserDocument for the database
132:                     * and set shortText and bodyText properly
133:                     */
134:                    plasmaParserDocument theDoc = new plasmaParserDocument(
135:                            location, mimeType, "UTF-8", null, ((contents
136:                                    .length() > 80) ? contents.substring(0, 80)
137:                                    : contents.trim()).replaceAll("\r\n", " ")
138:                                    .replaceAll("\n", " ")
139:                                    .replaceAll("\r", " ")
140:                                    .replaceAll("\t", " "), "", // TODO: AUTHOR
141:                            null, null, contents.getBytes("UTF-8"), null, null);
142:                    return theDoc;
143:                } catch (Exception e) {
144:                    if (e instanceof  InterruptedException)
145:                        throw (InterruptedException) e;
146:
147:                    /*
148:                     * an unexpected error occurred, log it and throw a ParserException
149:                     */
150:                    String errorMsg = "Unable to parse the xls document '"
151:                            + location + "':" + e.getMessage();
152:                    this .theLogger.logSevere(errorMsg);
153:                    throw new ParserException(errorMsg, location);
154:                } finally {
155:                    sbFoundStrings = null;
156:                }
157:            }
158:
159:            public Hashtable<String, String> getSupportedMimeTypes() {
160:                return SUPPORTED_MIME_TYPES;
161:            }
162:
163:            public void reset() {
164:                //nothing to do
165:                super .reset();
166:            }
167:
168:            public void processRecord(Record record) {
169:                switch (record.getSid()) {
170:                case NumberRecord.sid: {
171:                    NumberRecord numrec = (NumberRecord) record;
172:                    sbFoundStrings.append(numrec.getValue());
173:                    break;
174:                }
175:                    //unique string records
176:                case SSTRecord.sid: {
177:                    sstrec = (SSTRecord) record;
178:                    for (int k = 0; k < sstrec.getNumUniqueStrings(); k++) {
179:                        sbFoundStrings.append(sstrec.getString(k));
180:
181:                        //add line seperator
182:                        sbFoundStrings.append("\n");
183:                    }
184:                    break;
185:                }
186:
187:                case LabelSSTRecord.sid: {
188:                    LabelSSTRecord lsrec = (LabelSSTRecord) record;
189:                    sbFoundStrings
190:                            .append(sstrec.getString(lsrec.getSSTIndex()));
191:                    break;
192:                }
193:                }
194:
195:                //add line seperator
196:                sbFoundStrings.append("\n");
197:            }
198:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.