Append new data to a file

BufferedWriter out = new BufferedWriter(new FileWriter("Output.txt"));
The above line of code will overwrite my existing Output.txt. How to append new data to Output.txt instead of overwriting?
Thank you very much!

Check out the FileWriter class - particularly the constructor that looks like this:FileWriter writer = new FileWriter (String filename, boolean append); Good Luck
Lee

Similar Messages

Need solu to Append the data frm different files..Element 'Rec' not expecte

i need solution to append the data coming from different files.
sample file is of format
Header Records
Data Records
i need to append the data coming from files to single file which consist of single header and data records from all the four files.
Using assign activity to append the Data Record. but not able to force the data to write in the target location
Facing following error..
Record in the below error is data records. i can view all the appended data put variable.but facing following error Element 'Record' not expected.
<Record>
<RecType>1</RecType>
<SSAppsID>ICD </SSAppsID>
<TSAppsID>NPS </TSAppsID>
<FileType>CUSTOMER</FileType>
<SeqNo>0030</SeqNo>
<CusNum>50902 </CusNum>
<CSAppID>ICONS </CSAppID>
<CusName>YTL Communications Sdn Bhd </CusName>
<OldIDCardNum/>
<NewIdentyCardNum/>
<PassPortNum/>
<BusinessRegNum/>
<Police_armyPerNum/>
<SEGCode>W20</SEGCode>
<SecCode/>
<NewSegCode/>
<IcareMAsterAccNum/>
</Record>
</Record>
</Root-Element>
</part>
</PutFilesToTarget_Put_InputVariable>
</input>
<fault>
<bpelFault>
<faultType>0</faultType>
<bindingFault>
<part name="summary">
<summary>Exception occured when binding was invoked. Exception occured during invocation of JCA binding: "JCA Binding execute of Reference operation 'Put_InboxNew' failed due to: Translation Error. Translation Error. Error while translating message to native format. Please make sure that the payload for the outbound interaction conforms to the schema. ". The invoked JCA adapter raised a resource exception. Please examine the above error message carefully to determine a resolution. </summary>
</part>
<part name="detail">
<detail>Element 'Record' not expected.</detail>
</part>
<part name="code">
<code>null</code>
</part>
</bindingFault>
</bpelFault>
</fault>
<faultType>
<message>0</message>
</faultType>
</messages>

ya i am reading the data and writing the data with the same format..
but i need to append data from different files..eliminating the header from second file..
i am invoking the write adapter out of the while loop..
this seems some problem while writing..its looking for data records still..

How to append binary data to existing file in OSB

Hi,
I have an OSB project that I need for it to append binary data via ftp. Here's my current flow:
MFL binary output --> Replace $body with mfl binary output --> Publish to action (Business service that's configured to ftp binary data).
However, when the data is ftp'ed the following error is thrown:
URI = ftp://xxx:21/opt/home/zzz/logs
Request metadata =
    <xml-fragment>
      <tran:headers xsi:type="ftp:FtpRequestHeaders" xmlns:ftp="http://www.bea.com/wli/sb/transports/ftp" xmlns:tran="http://www.bea.com/wli/sb/transports" xmlns:xsi="h
ttp://www.w3.org/2001/XMLSchema-instance">
        <ftp:fileName>11802_insert_oh_xfrmr.eai_data</ftp:fileName>
      </tran:headers>
      <tran:encoding xmlns:tran="http://www.bea.com/wli/sb/transports">utf-8</tran:encoding>
      <ftp:isFilePath xmlns:ftp="http://www.bea.com/wli/sb/transports/ftp">false</ftp:isFilePath>
    </xml-fragment>
Payload =
19266787^CLLL^C711791^CLLL^C^C1178213^CSingle Phase(1)^C63185066204^CA^CConstructed^C358880 NW 4 DR LK MONTAZA^C120/240^C09361^CN/A^CProposed Remove^CAerial^C45718100^C
Unknown^C^CNo^CNormal Closed^CClamp^CA^C1^C2-Cover^C19266796^CNo^CNo^C15^C^CYes^CYes^CYes^C13200Y/7620 X 22860Y/13200^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C19266641^Coh_fuse_switch^C63086930001^C4^CN31^CDD0613^C22.9^C63376474601^C8129580^CFalse^C4^COke
echobee^C43^C0^Cdefault^CYes^C
>
####<Nov 6, 2013 2:28:23 PM EST> <Error> <WliSbTransports> <goxsd1604> <osb_server1> <[ACTIVE] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <<
anonymous>> <BEA1-4B688443B66FA09FFE75> <d2b4601b2fffd9b7:6b9f2297:1422a857ee8:-8000-000000000000171b> <1383766103889> <BEA-381105> <Error occured for the service endpo
int: com.bea.wli.sb.transports.TransportException: Unable to open data connection. Message is Received error response (553) from FTP server [mpsd1] IP [10.111.19.32] po
rt [21] status [connected] upon executing command [stor opt/home/zzz/logs/11802_insert_oh_xfrmr.eai_data.a]
com.bea.wli.sb.transports.TransportException: Unable to open data connection. Message is Received error response (553) from FTP server [mpsd1] IP [10.111.19.32] port [2
1] status [connected] upon executing command [stor opt/home/icanadm/logs/11802_insert_oh_xfrmr.eai_data.a]
        at com.bea.wli.sb.transports.ftp.connector.FTPTransportProvider.sendMessage(FTPTransportProvider.java:422)
From what I understand the error code 553 represents a bad file name. The file name that I'm supplying is 11802_insert_oh_xfrmr.eai_data but it appears that the name is changed to 11802_insert_oh_xfrmr.eai_data.a . So I did the obvious and changed the file several different ways (without the .eai_data extension, removed the numbers from the file name) but still no luck.
Any suggestions?
Thanks,
Yusuf

Thanks Eric.
I'm using the JCA FTP adapter instead and noticed it's appending the test generated data supplied by the OSB test console.
However, how can I ensure that the MFL output that I need to append will be placed on a new line?
Also, how should I map/assign the MFL binary output to the opaqueElement type base64Binary defined in the WSDL file below?
Once again here's a sample payload that I need to ensure will be presented on a new line:
19266787^CLLL^C711791^CLLL^C^C1178213^CSingle Phase(1)^C63185066204^CA^CConstructed^C358880 NW 4 DR LK MONTAZA^C120/240^C09361^CN/A^CProposed Remove^CAerial^C45718100^C
Unknown^C^CNo^CNormal Closed^CClamp^CA^C1^C2-Cover^C19266796^CNo^CNo^C15^C^CYes^CYes^CYes^C13200Y/7620 X 22860Y/13200^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C
^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C^C19266641^Coh_fuse_switch^C63086930001^C4^CN31^CDD0613^C22.9^C63376474601^C8129580^CFalse^C4^COke
echobee^C43^C0^Cdefault^CYes
Here's the WSDL file that gets generated for the FTP adapter:
<wsdl:definitions
     name="PutGenericDevice"
     targetNamespace="http://xmlns.oracle.com/pcbpel/adapter/ftp/AMS/Project1/PutGenericDevice"
     xmlns:jca="http://xmlns.oracle.com/pcbpel/wsdl/jca/"
     xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
     xmlns:tns="http://xmlns.oracle.com/pcbpel/adapter/ftp/AMS/Project1/PutGenericDevice"
     xmlns:opaque="http://xmlns.oracle.com/pcbpel/adapter/opaque/"
     xmlns:plt="http://schemas.xmlsoap.org/ws/2003/05/partner-link/"
    >
<plt:partnerLinkType name="Put_plt" >
    <plt:role name="Put_role" >
      <plt:portType name="tns:Put_ptt" />
    </plt:role>
</plt:partnerLinkType>
    <wsdl:types>
    <schema targetNamespace="http://xmlns.oracle.com/pcbpel/adapter/opaque/"
            xmlns="http://www.w3.org/2001/XMLSchema" >
      <element name="opaqueElement" type="base64Binary"/>
    </schema>
    </wsdl:types>
    <wsdl:message name="Put_msg">
        <wsdl:part name="opaque" element="opaque:opaqueElement"/>
    </wsdl:message>
    <wsdl:portType name="Put_ptt">
        <wsdl:operation name="Put">
            <wsdl:input message="tns:Put_msg"/>
        </wsdl:operation>
    </wsdl:portType>
</wsdl:definitions>
Here's the JCA details:
<adapter-config name="PutGenericDevice" adapter="FTP Adapter" wsdlLocation="PutGenericDevice.wsdl" xmlns="http://platform.integration.oracle/blocks/adapter/fw/metadata">
<connection-factory location="eis/ftp/DssPut"/>
<endpoint-interaction portType="Put_ptt" operation="Put">
    <interaction-spec className="oracle.tip.adapter.ftp.outbound.FTPInteractionSpec">
      <property name="PhysicalDirectory" value="/opt/eai/ofmw/Oracle/Middleware_R7/logs"/>
      <property name="FileType" value="binary"/>
      <property name="Append" value="true"/>
      <property name="FileNamingConvention" value="dummy.txt"/>
    </interaction-spec>
</endpoint-interaction>
</adapter-config>
Thanks,
Yusuf

LabVIEW created .DAT file with saving only new data on existing files

I can successfully create and save a .DAT file using LabView and Diadem. The save command I am using (in Labview) only overwrites existing files, I would like it to save only the new data from the last save. Overall I would like to save the data every 1hr and since my test will last for many hours, the further along in the test the longer it would take to save the full file. I know Diadem has the capability to save in such a manner, so I have thought about after I write to Diadem have a small Diadem application save periodically, but I haven't found a way to save the .DAT file, with out any signals coming into the save function. I have attached the example .DAT file creater and saver I am using to figure it out. thanks for your help!

Howdy New Guy -
I am not sure if you are looking to append to a file, or if you would
like to overwrite a file. In either case, you can take a look at
the "Append To File.vi" example for DIAdem.
Either way, you may be experiencing problems because you are only using
the "DIAdem Simple File Write.vi" (found on the DIAdem >> DAT
Files palette). Instead, you can use the "DIAdem File Write.vi"
(located on teh DIAdem >> DAT Files >> DAT Files Advanced
palette). This VI can be set to overwrite or append to file.
I hope this helps in your development!
Andrew W. || Applications Engineer

Appending XML data to a file using file adaptor

Hi,
I am trying to append data to a file using file adaptor in XML format. (Objective is to store data as XML message in the file). I understand it is possible to append data to an existing file by making appropriate changes in WSDL manually. However, my issue is every time the XML data is appended to a file even the XML header message is also getting appended. As a result the file data does not adhere to defined schema structure anymore.
Is there a way to save XML data in a file in append mode ?
Thanks, Riz

I am having the same issue as well, which makes the output XML an invalid one. I have an XSD that has a hierarchy of elements. whenever I am wiriting the child elements the header message & the name space is also getting written. For example
<?xml version="1.0" ?><Parent xmlns="http://testSchema.com/outputSchema">
<StartDate>01/01/2001</StartDate>
<EndDate>01/30/2001</EndDate>
<Child/>
</Parent>
<?xml version="1.0" ?><Child xmlns:ns1="http://testSchema.com/outputSchema">
<ns1:Id>20012981</ns1:Id>
<ns1:Value/>
<ns1:Date>01/15/2001</ns1:Date>
</Child>
<?xml version="1.0" ?><Child xmlns:ns1="http://testSchema.com/outputSchema">
<ns1:Id>20012981</ns1:Id>
<ns1:Value/>
<ns1:Date>01/15/2001</ns1:Date>
</Child>
I am using a onefile adapter partnerlink to write the parent & an another one for writing the child element, since the child elements will repeat more than once. One other way to fix this issue is write the data using java embedded activity, but that would need a lot of boiler plate code, for writing/reading/appending the same file & for handling all those IOexceptions & buffer IN/outs. I am curious if someone had the same issue & how they resolved it.

Append new data with existing one.

Hi,
In sql * loader if i want to append the existing data with new one what can be done?
Shall i use external tables to get the data or is there something i can use.
plz do suggest me.
thanks,
Mandar.

Thanks for your reply.
let me elaborate my problem.
1)load data 2)append 3)into table STATUS_FILE
me using this syntax.
I want to add values which are already from other file and just append into this status_file(status_file table doesnt have these fields) what should be done..
thst why i wrote external tables and i got this hint.
The EXTERNAL_TABLE=EXECUTE qualifier tells SQL*Loader to create an external table that can be used to load data and then execute the INSERT statement to load the data.
is it the way to append the already existing data with the new in table status_file.
Thanks,
Mandar.

How to append the data in a file

Dear All,
i want to continously update one text file that is
in myfile.txt using java,
for example username:test:password:test
like wise how can i append this text with username and password to added in the next next line

Take a look at this:
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
public class FileWrite {
     public static void main(String[] args) throws IOException {
          BufferedWriter br = new BufferedWriter(new FileWriter("C:\\temp.txt",true));
          br.write("Hello");
          br.newLine();
          br.close();
}

Creating a new data base for file maker pro from an existing data base.

I get this error message: (file name) could not be created on this disk. Use a different name, make more room on this disk, unlock it or use a different disk.
I have gigabits of free space, I tried several different names, and I don't see how to unlock it.
Trying to start the new year with a blank database instead of doing the work around I've done for years.
Can you help?
Many thanks!

meanwhile i have found the solution :-), The name of the empty directory must be
xxlx
and not
hulx
Laszlo

Appending new TextLine into existing file

I tried to add new text lines into an existing txt file. The problem is my method add new Strings on the same line (to see it you need to open the output file with notepad).
The method invoked is:
public static void addText( String arg0, String path ) {
          long pos;
          try {
               raf = new RandomAccessFile( path , "rw" );
               pos = raf.length();
               raf.seek( pos ); //mi sposto alla fine del file
               raf.writeBytes( "\n" ); // new line
               raf.writeBytes(arg0); //
               raf.close();
          } catch (FileNotFoundException e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
          } catch (IOException e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
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To make your app system-independent use:
String lineSeparator = System.getProperty("line.separator");as line separator
[]

How I can append new node in existing XML file

I've just begun learning DOM XML , so I'm currently at a very beginner level.
I have an existing XML file that I would like to add an additional node to before saving it to another variable.
how I can append new node in this file.
now this code is overwrite new data over old data
The code looks like this:
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
public class VerbXMLWriter
    static String EVerb3;
    static String englishTranslate3;
    public void VerbXMLWriter(String EVerb, String englishTranslate )
         EVerb3 = EVerb;
         englishTranslate3=englishTranslate;
    File xmlFile = new File("VerbDB.xml");
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    try
     DocumentBuilder builder = factory.newDocumentBuilder();
     Document document = builder.newDocument();
    Element root = document.createElement("Verb");
     document.appendChild(root);
     Element verb = document.createElement(EVerb3);
     verb.setAttribute("EnglishTranslate",englishTranslate3);
     root.appendChild(verb);
     Source xmlSource = new DOMSource( document );
     Result result = new StreamResult( new FileOutputStream(xmlFile) );
    TransformerFactory transformerFactory = TransformerFactory.newInstance();
    Transformer transformer =
    transformerFactory.newTransformer();
    transformer.setOutputProperty( "indent", "yes" );
     transformer.transform( xmlSource, result );
catch(TransformerFactoryConfigurationError factoryError )
    factoryError.printStackTrace();
   catch (ParserConfigurationException pc)
       pc.printStackTrace();
   catch (IOException io)
      io.printStackTrace();
   catch(Exception excep )
       excep.printStackTrace();
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<Verb>
<Play EnglishTranslate="playing" />
</Verb>Edited by: itb402 on Mar 9, 2008 6:05 AM

in your code you are already appending new nodes to the root node. so what exactly is your problem? The following steps are usually taken for appending a new node:
1. Read the XML document
2. Build a DOM tree
3. Navigate to the node under which you want to insert the new node
4. Create a new node.
5. Insert the new node to the node selected in point #3.
~Debopam

Insert data to MySQL when there is new data in the text file

I have one log file, the log file will update its data (alarm type & datetime) when there is alarm. If I would like to write program to monitor the log file every minute, and insert the data to mysql when there is a new data in log file. Any Idea how to use java to write it ?
Thanks !

imagination21 wrote:
Any Idea how to use java to write it ?Yes. But do you have a specific question? What's the problem?

Can I append date to the file name using Bursting

Hi All,
I know that we can append date to the file using %y, %m and %d for
Email
FTP
WEBDAV
But is there any way of appending the date to the file name if I am bursting my file to a shared location.
I tried that %y, %m and %d but that doesn't work for bursting.
Please reply
Thanks,
Ronny

If this requirment is for EBS, please refer the following blog
http://blogs.oracle.com/BIDeveloper/2010/08/xdoburstrpt_passing_parameters.html
For standalone see the following delivery sql query as example.
select
d.department_name KEY,
'Standard' TEMPLATE,
'RTF' TEMPLATE_FORMAT,
'en-US' LOCALE,
'PDF' OUTPUT_FORMAT,
'FILE' DEL_CHANNEL,
'C:\Temp' PARAMETER1,
d.department_name||'_'||to_char(sysdate,'mmddyyyy')|| '.pdf' PARAMETER2
from
departments d
Thanks
Ashish

BPC 7.5 will extract data from flat file or directly from cube

Hi,
i have a doubt plz give me a solution.
1) previously our BPC 7.0 team extracted data from BI 7.0 through flat file, but now they have upgraded to BPC 7.5 i want to know whether BPC 7.5 will extract directly from our BW infocube or not.
2) please let me know how data extracted from BPC 7.5.
Thanks and Regards
Satish

Hi,
If your import file has duplicate record in it then the Status of your DM package for import ends with warning, where all the records in your file might have got accepted but only one last data rows amoung the duplicate rows might have got submitted to the system.
The duplicate records will be rejected and you can see the list of duplicate records as well in the DM package status report.
Like Nilanjan said you can use Append DM Pacakge to submit all duplicate records aswell into the system. But here the problem is it appends the data in flat file with data available in the system.
Say you have 100 for account1 in the system and you run Append DM Package having values duplicate values for account1 say 100 and 200. So after the Append Package execution you will have 100100200= 400 for account1.
So for Append DM package to work in the same way as import, run clear package before executing the Append package.
Hope this helps,
Regards,
G.Vijaya Kumar

Can't we add new dates automatically via MDIS- unmapped values- ADD

Hi,
I have a qualified table with non qualifier as Date(TYPE: Literal Date).
and Qualifiers as Valid from and valid to.
We have 4 dates currently in Date field.
Our incoming file will have New dates init, So want these new dates to be added automaticaly via Import map.
I have set the Date field property as MDIS unmapped fields as - ADD.
But it is not adding new dates.
When i have Date field with Type TEXT and not 'Literal Date' then the new dates from Incoming file are added automatically.
Is this Normal that MDIS unmapped value - ADD will not add date Type fields???
Please Help
KR
John

Hi,
the incoming date format is MM/DD/YYYY.
In configutration parameters it is mentioned as MM/DD/YYYY format.
If the incoming file has Existing dates in MDM then it updates Fine.
But if the Incoming file has a new date then it failes with value exception..
'error message : Type mismatch. Invalid field values.<LF/></Trace>
cant understand this behaviuor of Literal date Field...
Can anyone please help...
KR
John

Append the data in file at receiver side

Hi All,
I want dump the data frm SAP tables. the data is hughe so we are sending the data in slots from ECC like 50K recoerds at a time and after that to collect that i using the append parameter at file receiver side and records are getting appended in file only that is correct
but my one doubt is
let say monday the records get append into file at receiver side and on tuesday again the records will get appended in same file....it will be problem for this i used create parameter with overrite my question if i am using create then we can not use append ........
please suggest...........
Regards

Hi gangadhar,
Append will work like this..
if there is no file ..create the file and if file already exists then appends the data to the existing file..
in your case when you create the file with day i.e file_day ..first time when you send 50K records file will get created..
if you send another 50k in the same then will get appended to the same...
in case if you send the another 50K set another day..then a new file will get create as there is no file available with taht file name
i.e filename_nextday...
Hope this clears all your queries
HTH
Rajesh

Append new data to a file

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