Excel libraries Java 6

Hi,
1) Can someone please let me know "whether there are excel libraries available in Java 6".
I have checked under javax but didn't find any.
2) I have to read the excel file and insert data into the database.
I don't want to use POI, JExcel / any other 3rd party libraries.
Could you please point me to some sample programs on the same.
Thanks in advnace.
Regards,
- Bharath.

865966 wrote:
1) Can someone please let me know "whether there are excel libraries available in Java 6".
I have checked under javax but didn't find any.Of course not. In your opinion the JDK should have support for loading and manipulating proprietary file formats? Because there are hundreds and it can be quite a legal mess.
2) I have to read the excel file and insert data into the database.
I don't want to use POI, JExcel / any other 3rd party libraries. Well then you're stuck.

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External Libraries DC load Excel Webdynpro java

Hello my dear Experts.
I have a DC that contain WD proyecto in wich i want to load excel into table wed dynpro.
I have followowed the next links.
http://forums.sdn.sap.com/thread.jspa?threadID=122856
http://wiki.sdn.sap.com/wiki/display/Java/External+jar+file+error+and+Solution
http://www.sapgeek.net/2010/10/web-dynpro-java-use-external-library/
http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/2361
http://forums.sdn.sap.com/thread.jspa?threadID=1907794
http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/9515 (part 1)
http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/9517 (part 2)
If I try to put references in DC properties: sap.com~ externallibrary_deployableunit i got the next Exception when i try to deploy my DC.
15-sep-2010 17:24:58 /userOut/deploy
(com.sap.ide.eclipse.sdm.threading.DeployThreadManager) [Thread[Deploy
Thread,5,main]] WARNING:
[007]Deployment finished with warning
Settings
SDM host : PORTAL
SDM port : 50118
URL to deploy :
file:/C:/WINDOWS/TEMP/temp53671ebpartners.net~samplecargadescargaxcel.ear
Result
=> deployed with warning :
file:/C:/WINDOWS/TEMP/temp53671ebpartners.net~samplecargadescargaxcel.ear
Finished with warnings: development component
'samplecargadescargaxcel'/'ebpartners.net'/'local'/'20100915172420'/'0':
Caught exception during application startup from SAP J2EE Engine's
deploy service:
java.rmi.RemoteException: Error occurred while starting application
ebpartners.net/samplecargadescargaxcel and wait. Reason: Clusterwide
exception: server ID
17229150:com.sap.engine.services.deploy.container.DeploymentException:
Clusterwide exception: Failed to prepare application
''ebpartners.net/samplecargadescargaxcel'' for startup.
Reason=Clusterwide exception: Failed to start dependent library
''sap.com~externallibrary_deployableunit'' of application
''ebpartners.net/samplecargadescargaxcel''. Status of dependent
component: STATUS_MISSING. Hint: Is the component deployed correctly
on the engine?
       at com.sap.engine.services.webdynpro.WebDynproContainer.prepareStart(WebDynproContainer.java:1490)
       at com.sap.engine.services.deploy.server.application.StartTransaction.prepareCommon(StartTransaction.java:223)
       at com.sap.engine.services.deploy.server.application.StartTransaction.prepare(StartTransaction.java:171)
       at com.sap.engine.services.deploy.server.application.ApplicationTransaction.makeAllPhasesOnOneServer(ApplicationTransaction.java:301)
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       at com.sap.engine.services.deploy.server.application.ParallelAdapter.makeAllPhasesAndWait(ParallelAdapter.java:245)
       at com.sap.engine.services.deploy.server.DeployServiceImpl.startApplicationAndWait(DeployServiceImpl.java:4761)
       at com.sap.engine.services.deploy.server.DeployServiceImpl.startApplicationAndWait(DeployServiceImpl.java:4666)
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(message ID: com.sap.sdm.serverext.servertype.inqmy.extern.EngineApplOnlineDeployerImpl.performAction(DeploymentActionTypes).REMEXC)
Deployment exception : Got problems during deployment
Unfortunatelly I am stuck in it.

Thanks for helping me.
I have done exactly what you told me, i have the same problem.
I fact i do not get compilation error:
1) Escenary one problem during deploy DC
If I try to put references in DC properties: sap.com~ externallibrary_deployableunit i got the next Exception when i try to deploy my DC.
15-sep-2010 17:24:58 /userOut/deploy
(com.sap.ide.eclipse.sdm.threading.DeployThreadManager) [Thread[Deploy
Thread,5,main]] WARNING:
007Deployment finished with warning
Settings
SDM host : PORTAL
SDM port : 50118
URL to deploy :
file:/C:/WINDOWS/TEMP/temp53671ebpartners.net~samplecargadescargaxcel.ear
Result
=> deployed with warning :
file:/C:/WINDOWS/TEMP/temp53671ebpartners.net~samplecargadescargaxcel.ear
Finished with warnings: development component
'samplecargadescargaxcel'/'ebpartners.net'/'local'/'20100915172420'/'0':
Caught exception during application startup from SAP J2EE Engine's
deploy service:
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ebpartners.net/samplecargadescargaxcel and wait. Reason: Clusterwide
exception: server ID
17229150:com.sap.engine.services.deploy.container.DeploymentException:
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''ebpartners.net/samplecargadescargaxcel'' for startup.
Reason=Clusterwide exception: Failed to start dependent library
''sap.com~externallibrary_deployableunit'' of application
''ebpartners.net/samplecargadescargaxcel''. Status of dependent
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at com.sap.engine.services.webdynpro.WebDynproContainer.prepareStart(WebDynproContainer.java:1490)
at com.sap.engine.services.deploy.server.application.StartTransaction.prepareCommon(StartTransaction.java:223)
at com.sap.engine.services.deploy.server.application.StartTransaction.prepare(StartTransaction.java:171)
at com.sap.engine.services.deploy.server.application.ApplicationTransaction.makeAllPhasesOnOneServer(ApplicationTransaction.java:301)
at com.sap.engine.services.deploy.server.application.ParallelAdapter.makeAllPhasesImpl(ParallelAdapter.java:342)
at com.sap.engine.services.deploy.server.application.ParallelAdapter.runInTheSameThread(ParallelAdapter.java:126)
at com.sap.engine.services.deploy.server.application.ParallelAdapter.makeAllPhasesAndWait(ParallelAdapter.java:245)
at com.sap.engine.services.deploy.server.DeployServiceImpl.startApplicationAndWait(DeployServiceImpl.java:4761)
at com.sap.engine.services.deploy.server.DeployServiceImpl.startApplicationAndWait(DeployServiceImpl.java:4666)
at com.sap.engine.services.deploy.server.DeployServiceImpl.startApplicationAndWait(DeployServiceImpl.java:4639)
at com.sap.engine.services.deploy.server.DeployServiceImplp4_Skel.dispatch(DeployServiceImplp4_Skel.java:1163)
at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:320)
at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:198)
at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:129)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
(message ID: com.sap.sdm.serverext.servertype.inqmy.extern.EngineApplOnlineDeployerImpl.performAction(DeploymentActionTypes).REMEXC)
1) Escenary two problem in runtime:
I try to not write the references in properties DC in Web dynpro references in Libraries references, in mi DC WD deploy correct, i got the next run time Exception:
java.lang.ClassNotFoundException: jxl.Workbook
Loader Info
ClassLoader name: http://ebpartners.net/repguad Parent loader name: Frame ClassLoader References: common:service:http;service:servlet_jsp service:ejb common:service:iiop;service:naming;service:p4;service:ts service:jmsconnector library:jsse library:servlet common:library:IAIKSecurity;library:activation;library:mail;library:tcsecssl library:ejb20 library:j2eeca library:jms library:opensql common:library:com.sap.security.api.sda;library:com.sap.security.core.sda;library:security.class;library:webservices_lib;service:adminadapter;service:basicadmin;service:com.sap.security.core.ume.service;service:configuration;service:connector;service:dbpool;service:deploy;service:jmx;service:jmx_notification;service:keystore;service:security;service:userstore interface:resourcecontext_api interface:webservices interface:cross interface:ejbserialization sap.com/tcwddispwda sap.com/tcwdcorecomp service:webdynpro service:sld library:tcddicddicservices library:com.sap.aii.proxy.framework library:tcgraphicsigs library:com.sap.mw.jco library:com.sap.lcr.api.cimclient library:sapxmltoolkit library:com.sap.aii.util.rb library:com.sap.util.monitor.jarm library:tcddicddicruntime library:com.sap.aii.util.xml library:com.sap.aii.util.misc library:tccmi Resources: /usr/sap/JDV/JC00/j2ee/cluster/server0/apps/ebpartners.net/repguad/webdynpro/public/lib/ebpartners.netrepguad.jar /usr/sap/JDV/JC00/j2ee/cluster/server0/apps/ebpartners.net/repguad/src.zip Loading model: {parent,references,local}
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connecting to
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Oracle 10.2 (Solaris)
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     at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3111)
     at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338)
     at sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(JdbcOdbcStatement.java:288)
     at hk.gov.edb.util.ExcelHandle.updateNewEmail(ExcelHandle.java:414)
     at hk.gov.edb.core.AppMain.doUpdate(AppMain.java:369)
     at hk.gov.edb.core.AppMain$7.construct(AppMain.java:584)
     at hk.gov.edb.util.SwingWorker$2.run(SwingWorker.java:127)
     at java.lang.Thread.run(Thread.java:595)

Accessing excel from java code

Hello
our system uses reportNet to generate reports. When reports are generated in CSV format we have a problem:
Report consists of people (can be more than one) so under name column we have same name in more than one row. BUT if more than one name is suppose to be in the CSV report then the header (column names row) is again printed.
so for example if i requested rpeort for two names A and B (reportNet uses same template which is executed twice) then report will look like this
Name (header - column name)
A
A
A
A
A
Name (header - column name)
B
B
B
B
I want to be able to remove the second header that comes before B starts.
so i was thinking i would be able to access this excel sheet from java. and keep record of every row. If the row changes from A to B...i delete the previous row (which would end up being the second header).
Can this be done thru java. I havnt before accessed excel sheets from java so any pointers would be greatly appreciated.

Hi, well CSV is not currently an Excel file, it is a Comma Separated Values
file which can be read through Excel.
Now, if you wish to remove the header, I would purpose that you develop an
application that reads the CSV file, as it is mere text, and that it also reads
another file (lets call it confirguration.txt) in which you determine the pattern
you want to remove, then you just read your report and if a string line
matches the pattern you defined in the configuration.txt file, then you simply
erase it.
And if you keep interested in reading real Excel files (xls), I would
recommend you use POI-HSSF API from Apache.org
http://jakarta.apache.org/poi/hssf/index.html
Hope this helps, cya around.

Recalculation in excel thru java

Hi,
Thru java program i can able to read and write the values into the excel sheet. but...Latest re calculating values are not available to read
Example, for the following situation i am not getting right values
In worksheet1 cell A1 = 10 (writing this value thru java pgm)
worksheet1 cell B1 = 5 (writing this value thru java pgm)
worksheet1 cell C1 = A1 * B1 (writing this formula manually)
close the excel thru program
open the worksheet1 and read the cell C1 value thru program now newly calculated is not available.
if i open the excel sheet manually and read the cell value C1 thru program.then new value is available.
could you please help me.
thanks in advance
GS

I have a similar problem using a JDBC-ODBC bridge, and i solve it closing the connection after an update.

Invoking MS Excel from Java

HI,
I'm trying to create a standalone application that would need to logon in a database.If the user is a valid one, the user can then choose which table he wanted to update. All the rows of the column will be shown in an excel format. (the program will invoke Excel to show all the records in that table). From that, the user can edit the content and after saving it, data in the databse will also be updated.
Is there any Java API that I can use to make this application possible?
Thanks,

Crossposted: http://forum.java.sun.com/thread.jspa?threadID=678912
Please don't answer on this duplicate copy.
And @OP: QUIT IT!

From Time column in Excel to Java Date ?

Hi there!
After I have read range data from Excel to a Java Object[][]
array/table, one of my excel time columns becomes "floats"
numbers when I try to access them in Java, like this:
from 15:00:00 in Excel to 0.625 in my Java program
How can I avoid this OR transform/parse this 0.625 number
back again to time/Date 15:00:00 inside Java ? hmmm
Is there any setup of jCom that can controll this somehow ?
I have been able to transform:
from 11.15.01 in Excel, becomes "Thu Nov 15 00:00:00 CET 2001"
with the jCom bridge ...
When I have this "string" on this format, it's easy
to get a Java Date of this with SimpleDateFormat.
... but not with this time of mine :-)
Any clues where to look or a solution for this ?
-- Thank you !
-- Erlend

Excel stores times as decimal fractions (representing portions of a day)
There is no Time data type in VB so is probably represented by a Single
object.
This object is then converting to a java.lang.float on the Java side.
0.625 can be parsed by multiplying by (24*60*60) to get the number
of seconds after midnight.
A list of supported COM data types and their java equivalents
can be found in chapter 7 of the jCOMReference pdf file.
damon
"Erlend Bjorge" <[email protected]> wrote in message
news:3be2983e$[email protected]..
>
Hi there!
After I have read range data from Excel to a Java Object[][]
array/table, one of my excel time columns becomes "floats"
numbers when I try to access them in Java, like this:
from 15:00:00 in Excel to 0.625 in my Java program
How can I avoid this OR transform/parse this 0.625 number
back again to time/Date 15:00:00 inside Java ? hmmm
Is there any setup of jCom that can controll this somehow ?
I have been able to transform:
from 11.15.01 in Excel, becomes "Thu Nov 15 00:00:00 CET 2001"
with the jCom bridge ...
When I have this "string" on this format, it's easy
to get a Java Date of this with SimpleDateFormat.
... but not with this time of mine :-)
Any clues where to look or a solution for this ?
-- Thank you !
-- Erlend

Excel libraries Java 6

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