Xml string in Java - forbidden characters for data?

Hi there,
In my java class I am building a xml string and saving it as a xml file in the hard drive. Later when I open the file in the XML editor it gets errors "forbidden characters". I think the problem is that in the data there can be characters as & or <> and of course that would disturbe the xml structure. Is there any smart method in Java which convert all the forbidden characters for xml data?... many thanks for any hints.

emailkia wrote:
In my java class I am building a xml string and saving it as a xml file in the hard drive. I am guessing that you are building a string into which you are putting what you think is xml.
And it isn't.
So the real solution is to build it correctly in the first place.
Is there any smart method in Java which convert all the forbidden characters for xml data?There are also libraries that will allow you to build xml which handle those sorts of issues for you.

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package emsc.oracle.apps.emscper.sfapi.proxy;
import HTTPClient.HTTPConnection;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.IsValidSession;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.IsValidSessionResponse;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.Login;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.LoginResponse;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.LoginResult;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.Logout;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.LogoutResponse;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.SFCredential;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.SFParameter;
import emsc.oracle.apps.emscper.sfapi.proxy.types.sfobject_sfapi_successfactors_com.Error;
import java.io.File;
import javax.xml.rpc.ServiceFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.Date;
import javax.xml.ws.BindingProvider;
import javax.xml.soap.SOAPException;
import java.util.Map;
import oracle.security.ssl.OracleSSLCredential;
public class SFAPITest {
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    private String userName;
    private String password;
    private String developerKey;
    private Date   effDt;
    private String greaterThanEffDt;
    private String lessThanEffDt;
    // Declare constants:
    final static private String breakLine = "+---------------------------------------------------------------------------+";
    final static private String format    = "yyyy-mm-dd";
    private enum ReqId {
        PrimaryReq(25),
        PrimaryReqCEO(26),
        EmCarePrimary(27),
        RTI(28),
        EmCareClinical(29);
        private int reqId;
        private ReqId() {
        private ReqId(int value) {
            reqId = value;
        public int getReqId() {
            return reqId;
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    protected String getCompanyId() {
       return this.companyId;
    protected void setCompanyId(String value) {
       this.companyId = value;
    protected String getUserName() {
       return this.userName;
    protected void setUserName(String value) {
       this.userName = value;
    protected String getPassword() {
       return this.password;
    protected void setPassword(String value) {
       this.password = value;
    protected String getDeveloperKey() {
       return this.developerKey;
    protected void setDeveloperKey(String value) {
       this.developerKey = value;
    protected Date getEffDt() {
        return this.effDt;
    protected void setEffDt(Date value) {
        this.effDt = value;
    protected String getGreaterThanEffDt() {
       return this.greaterThanEffDt;
    protected void setGreaterThanEffDt(String value) {
       this.greaterThanEffDt = value;
    protected String getLessThanEffDt() {
       return this.lessThanEffDt;
    protected void setLessThanEffDt(String value) {
       this.lessThanEffDt = value;
    public void runProgram()
        SFAPIService mySFAPIService;
        String CompletionText = "";
        String effDtStr2 = null;
    /* Code your program logic here.
    * Use getJDBCConnection method to get the connection object for any
    * JDBC operations.
    * Use CpContext provided commit,rollback methods to commit/rollback
    * data base transactions.
    * Don't forget to release the connection before returning from this
    * method.
    /* Call setCompletion method to set the request completion status and
    * completion text.
    * Status values are ReqCompletion.NORMAL,ReqCompletion.WARNING,
    * ReqCompletion.ERROR.
    * Use Completion text message of length 240 characters. If it is more
    * than 240 then full string will appear in log file and truncated 240
    * characters will be used as request completion text.
    try
        ServiceFactory factory = ServiceFactory.newInstance();
        mySFAPIService = (emsc.oracle.apps.emscper.sfapi.proxy.SFAPIService)factory.loadService(emsc.oracle.apps.emscper.sfapi.proxy.SFAPIService.class);
        SFAPI api = mySFAPIService.getSFAPI();
       /// SFAPI api = new SFAPI();
        //Map<String, Object> requestContext = ((BindingProvider) api).getRequestContext();
        //requestContext.put(BindingProvider.SESSION_MAINTAIN_PROPERTY, true);
        System.out.println("ServiceName => " + mySFAPIService.getServiceName().toString());
        System.out.println("End Point   => " + mySFAPIService.getServiceName().toString());
        System.out.println(breakLine);
        // Authentication: Login to SFAPI:
        SFCredential credential = new SFCredential();
        // Fake credentials being passed in for this post:
        credential.setCompanyId("XXX");
        credential.setUsername("XXX");
        credential.setPassword("XXX");
        credential.setDeveloperKey("XXX");
        HTTPConnection httpsConnection = null;
        OracleSSLCredential _credential = new OracleSSLCredential();
        _credential.setWallet("\\\\\\C:\\Program Files\\Java\\jdk1.6.0_33\\jre\\lib\\security", "ParkEstes3");
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        System.setProperty("javax.net.ssl.trustStorePassword","changeit");
        System.out.println(System.getProperty("javax.net.ssl.trustStore"));*/
        // SFParameter: Define a generic SFParameter List. This is a necessary parameter
        // to invoking calls in SFAPI:
         /*System.setProperty("javax.net.ssl.keyStore",
         "file:\\\C:\\jdk1.4.1\\jre\\lib\\security\\client.keystore");
         System.setProperty("javax.net.ssl.keyStorePassword","welcome");         */
        /* System.setProperty("oracle.net.wallet_location",
                      "(SOURCE=(METHOD=file)(METHOD_DATA=(DIRECTORY=\\\C:\Users\dparrish\Oracle\WALLETS)))"); // (2)                     */
        File kstore = new File("C:\\OraHome_1\\jdev\\jdevbin\\jdk\\jre\\lib\\security\\jssecacerts");
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            System.out.println("Keystore does not exist");
        else {
            System.out.println("Keystore does exist");
        System.setProperty("javax.net.ssl.trustStore", kstore.getAbsolutePath());
        System.setProperty("javax.net.ssl.trustStorePassword", "changeit");
        //System.setProperty("proxySet", "false");
        //System.setProperty("http.proxyHost", "127.0.0.1");
        //System.setProperty("http.proxyPort", "8080");
        System.out.println(kstore.getAbsolutePath());
        List<SFParameter> lst = new ArrayList<SFParameter>();
        SFParameter param = new SFParameter();
        param.setName("");
        param.setValue("");
        lst.add(param);
        SFParameter[] sfParam = lst.toArray(new SFParameter[lst.size()]);
        Login login = new Login();
        try {
            login.setCredential(credential);
            System.out.println("1");
            login.setParam(sfParam);
            System.out.println("2");
            LoginResponse loginResponse = new LoginResponse();
            LoginResult loginResult = new LoginResult();
            try {
                 loginResponse = api.login(login);
            catch (Exception e ) {
                System.out.println(e.getMessage());
            System.out.println("3");
            try {
                 loginResult = loginResponse.getResult();
            catch (Exception e ) {
                System.out.println(e.getMessage());
            System.out.println("4");
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                 System.out.println("Result => " + loginResult.getSessionId());
                 System.out.println(breakLine);
                Logout logout = new Logout();
                LogoutResponse logoutResponse = api.logout(logout);
                if (logoutResponse.isResult()) {
                     System.out.println("Logout of SFAPI Successful");
                else {
                    System.out.println("Logout of SFAPI Unsuccessful");
            else {
                 System.out.println("Session is invalid");
                List<Error> errors = new ArrayList<Error>();
                for (int i = 0; i < loginResult.getError().length; i++) {
                    errors.add(loginResult.getError()[i]);
                for (int i = 0; i < errors.size(); i++) {
                     System.out.println("Error Indice   => " + i);
                     System.out.println("Error Code:    => " + errors.get(i).getErrorCode());
                     System.out.println("Error Message: => " + errors.get(i).getErrorMessage());
                     System.out.println(breakLine);
                } // end for loop of SFObject errors
            } // end InvalidSession
        catch (Exception e)
             System.out.println("Session Credential Exception");
             System.out.println("Exception => " + e.getMessage());
             System.out.println(breakLine);
    catch (Exception e)
        System.out.println("Parameter List Exception");
        System.out.println("Exception => " + e.getMessage());
        System.out.println(breakLine);
    }   // end runProgram
    // Constructor:
    public SFAPITest() {
    } // end constructor
    public static void main (String args[]) {
        try
            SFAPITest test = new SFAPITest();
            test.runProgram();
        catch (Exception e) {
            System.out.println("main exception => " + e.getMessage());
} // SFAPITest
Here is the output with trace:
WARNING: Unable to connect to URL: https://api4.successfactors.com:443/sfapi/v1/soap due to java.security.PrivilegedActionException: javax.xml.soap.SOAPException: Message send failed: String index out of range: -7
Session Credential Exception
Exception => ; nested exception is:
    HTTP transport error: javax.xml.soap.SOAPException: java.security.PrivilegedActionException: javax.xml.soap.SOAPException: Message send failed: String index out of range: -7
+---------------------------------------------------------------------------+
Process exited with exit code 0.

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University of Stellenbosch
South Africa

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How to store xml data into file in xml format through java program?

HI Friends,
Please let me know
How to store xml data into file in xml format through java program?
thanks......
can discuss further at messenger.....
Avanish Kumar Singh
Software Engineer,
Samsung India Development Center,
Bangalore--560001.
[email protected]

Hi i need to write the data from an XML file to a Microsoft SQL SErver database!
i got a piece of code from the net which allows me to parse th file:
import java.io.IOException;
import org.xml.sax.*;
import org.xml.sax.helpers.*;
import org.apache.xerces.parsers.SAXParser;
import java.lang.*;
public class MySaxParser extends DefaultHandler
private static int INDENT = 4;
private static String attList = "";
public static void main(String[] argv)
if (argv.length != 1)
System.out.println("Usage: java MySaxParser [URI]");
System.exit(0);
String uri = argv[0];
try
XMLReader parser = XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser");
MySaxParser MySaxParserInstance = new MySaxParser();
parser.setContentHandler(MySaxParserInstance);
parser.parse(uri);
catch(IOException ioe)
ioe.printStackTrace();
catch(SAXException saxe)
saxe.printStackTrace();
private int idx = 0;
public void characters(char[] ch, int start, int length)
throws SAXException
String s = new String(ch, start, length);
if (ch[0] == '\n')
return;
System.out.println(getIndent() + " Value: " + s);
public void endDocument() throws SAXException
idx -= INDENT;
public void endElement(String uri, String localName, String qName) throws SAXException
if (!attList.equals(""))
System.out.println(getIndent() + " Attributes: " + attList);
attList = "";
System.out.println(getIndent() + "end document");
idx -= INDENT;
public void startDocument() throws SAXException
idx += INDENT;
public void startElement(String uri,
String localName,
String qName,
Attributes attributes) throws SAXException
idx += INDENT;
System.out.println('\n' + getIndent() + "start element: " + localName);
if (localName.compareTo("Machine") == 0)
System.out.println("YES");
if (attributes.getLength() > 0)
idx += INDENT;
for (int i = 0; i < attributes.getLength(); i++)
attList = attList + attributes.getLocalName(i) + " = " + attributes.getValue(i);
if (i < (attributes.getLength() - 1))
attList = attList + ", ";
idx-= INDENT;
private String getIndent()
StringBuffer sb = new StringBuffer();
for (int i = 0; i < idx; i++)
sb.append(" ");
return sb.toString();
}// END PRGM
Now , am not a very good Java DEv. and i need to find a soln. to this prob within 1 week.
The next step is to write the data to the DB.
Am sending an example of my file:
<Start>
<Machine>
<Hostname> IPCServer </Hostname>
<HostID> 80c04499 </HostID>
<MachineType> sun4u [ID 466748 kern.info] Sun Ultra 5/10 UPA/PCI (UltraSPARC-IIi 360MHz) </MachineType>
<CPU> UltraSPARC-IIi at 360 MHz </CPU>
<Memory> RAM : 512 MB </Memory>
<HostAdapter>
<HA> kern.info] </HA>
</HostAdapter>
<Harddisks>
<HD>
<HD1> c0t0d0 ctrl kern.info] target 0 lun 0 </HD1>
<HD2> ST38420A 8.2 GB </HD2>
</HD>
</Harddisks>
<GraphicCard> m64B : PCI PGX 8-bit +Accel. </GraphicCard>
<NetworkType> hme0 : Fast-Ethernet </NetworkType>
<EthernetAddress> 09:00:30:C1:34:90 </EthernetAddress>
<IPAddress> 149.51.23.140 </IPAddress>
</Machine>
</Start>
Note that i can have more than 1 machines (meaning that i have to loop thru the file to be able to write to the DB)
Cal u tellme what to do!
Even better- do u have a piece of code that will help me understand and implement the database writing portion?
I badly need help here.
THANX

Error in JSF - java.lang.NumberFormatException: For input string:

Nice day friends,
I am sure that this is one stupid question by newbie like me, but I already lost hope since there no many post on this error especially in JSF at Google.
Here the full error I've got :
executePhase(RENDER_RESPONSE 6,com.sun.faces.context.FacesContextImpl@12bb287) threw exception
java.lang.NumberFormatException: For input string: "id"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
at java.lang.Integer.parseInt(Integer.java:447)
at java.lang.Integer.parseInt(Integer.java:497)
at javax.el.ListELResolver.toInteger(ListELResolver.java:373)
at javax.el.ListELResolver.getValue(ListELResolver.java:167)
Here my snippet of code :
NationalityDO.java (managed bean)
public class NationalityDO implements Serializable {
@Id
@Column(name = "ID", nullable = false)
private String id;
private List nationalityList;
public NationalityDO() {
public NationalityDO(String id) {
this.id = id;
public String getId() {
return this.id;
public void setId(String id) {
this.id = id;
public List getNationalityList(){
NationalityDA da=new NationalityDA();
if(nationalityList==null){
System.out.println("if(nationalityList==null)");
try {
nationalityList=da.retrieveNationalityList();
} catch (Exception ex) {
ex.printStackTrace();
return nationalityList;
public void setNationalityList(){
this.nationalityList=nationalityList;
This is my NationalityDA (used to retrieve data)
public class NationalityDA {
public NationalityDA() {
public List retrieveNationalityList() throws Exception{
ArrayList ls=new ArrayList();
Connection con = null;
PreparedStatement ps = null;
ResultSet rsReturn = null;
try {
con = DBManager.getDBConnection();
String sql="select id,descr,setup_date,change_date from nationality order by id asc" ;
ps = con.prepareStatement(sql);
rsReturn = ps.executeQuery();
while(rsReturn.next()){
List lsNationality =new ArrayList();
lsNationality.add(rsReturn.getString(1));//id
lsNationality.add(rsReturn.getString(2));//descr
ls.add(lsNationality);
} catch(SQLException sqlex) {
sqlex.printStackTrace();
} finally {
con.close();
ps.close();
return ls;
Here my nationality.jsp
<h:dataTable value='#{nationality.nationalityList}' var='item' border="1" cellpadding="2" cellspacing="0">
<h:column>
<f:facet name="header">
<h:outputText value="Id"/>
</f:facet>
<h:outputText value="#{item.id}"/>
</h:column>
<h:column>
<f:facet name="header">
<h:outputText value="Descr"/>
</f:facet>
<h:outputText value="#{item.descr}"/>
</h:column>
</h:dataTable>
Here my face-config.xml
<managed-bean>
<managed-bean-name>nationality</managed-bean-name>
<managed-bean-class>com.dataobject.nationality.NationalityDO</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<navigation-rule>
<navigation-case>
<from-outcome>success</from-outcome>
<to-view-id>/nationality/testNationality.jsp</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>fail</from-outcome>
<to-view-id>/nationality/testNationality.jsp</to-view-id>
</navigation-case>
</navigation-rule>
For your information, the retrieve of data work successfully, this is the table description in oracle database which is varchar for id,
SQL> desc nationality
Name Null? Type
ID NOT NULL VARCHAR2(4)
DESCR VARCHAR2(20)
SETUP_DATE TIMESTAMP(6)
CHANGE_DATE TIMESTAMP(6)
*If you feel that I should improve my writing in forum, I am really happy to know
Thanks,
unid

thanks....
Actually I already view the site many times before but after you told me then I get the idea,that's y working together is better, because i sometimes won't realize my mistake even it was the easiest one...
So i just change my code in NationalityDA.java as
while(rsReturn.next()){
NationalityDO n=new NationalityDO();
n.setId(rsReturn.getString(1));
System.out.println("rsReturn.getString(1)"+ rsReturn.getString(1));
n.setDescr(rsReturn.getString(2));
System.out.println("rsReturn.getString(2)"+ rsReturn.getString(2));
n.setSetupDate(rsReturn.getDate(3));
System.out.println("rsReturn.getString(3)"+ rsReturn.getString(3));
n.setChangeDate(rsReturn.getDate(4));
System.out.println("rsReturn.getString(4)"+ rsReturn.getString(4));
ls.add(n);
Once again, thanks..and my 3 dukes are yours..
-unid

How to get an XML string from a Java Bean without wrting to a file first ?

I know we can save a Java Bean to an XML file with XMLEncoder and then read it back with XMLDecoder.
But how can I get an XML string of a Java Bean without writing to a file first ?
For instance :
My_Class A_Class = new My_Class("a",1,2,"Z", ...);
String XML_String_Of_The_Class = an XML representation of A_Class ?
Of course I can save it to a file with XMLEncoder, and read it in using XMLDecoder, then delete the file, I wonder if it is possible to skip all that and get the XML string directly ?
Frank

I think so too, but I am trying to send the object to a servlet as shown below, since I don't know how to send an object to a servlet, I can only turn it into a string and reconstruct it back to an object on the server side after receiving it :
import java.io.*;
import java.net.*;
import java.util.*;
class Servlet_Message        // Send a message to an HTTP servlet. The protocol is a GET or POST request with a URLEncoded string holding the arguments sent as name=value pairs.
public static int GET=0;
public static int POST=1;
private URL servlet;
// the URL of the servlet to send messages to
public Servlet_Message(URL servlet) { this.servlet=servlet; }
public String sendMessage(Properties args) throws IOException { return sendMessage(args,POST); }
// Send the request. Return the input stream with the response if the request succeeds.
// @param args the arguments to send to the servlet
// @param method GET or POST
// @exception IOException if error sending request
// @return the response from the servlet to this message
public String sendMessage(Properties args,int method) throws IOException
    String Input_Line;
    StringBuffer Result_Buf=new StringBuffer();
    // Set this up any way you want -- POST can be used for all calls, but request headers
    // cannot be set in JDK 1.0.2 so the query string still must be used to pass arguments.
    if (method==GET)
      URL url=new URL(servlet.toExternalForm()+"?"+toEncodedString(args));
      BufferedReader in=new BufferedReader(new InputStreamReader(url.openStream()));
      while ((Input_Line=in.readLine()) != null) Result_Buf.append(Input_Line+"\n");
    else
      URLConnection conn=servlet.openConnection();
      conn.setDoInput(true);
      conn.setDoOutput(true);
      conn.setUseCaches(false);
      // Work around a Netscape bug
      conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
      // POST the request data (html form encoded)
      DataOutputStream out=new DataOutputStream(conn.getOutputStream());
      if (args!=null && args.size()>0)
        out.writeBytes(toEncodedString(args));
//        System.out.println("ServletMessage args: "+args);
//        System.out.println("ServletMessage toEncString args: "+toEncodedString(args));
      BufferedReader in=new BufferedReader(new InputStreamReader(conn.getInputStream()));
      while ((Input_Line=in.readLine()) != null) Result_Buf.append(Input_Line+"\n");
      out.flush();
      out.close(); // ESSENTIAL for this to work!
    return Result_Buf.toString();               // Read the POST response data
// Encode the arguments in the property set as a URL-encoded string. Multiple name=value pairs are separated by ampersands.
// @return the URLEncoded string with name=value pairs
public String toEncodedString(Properties args)
    StringBuffer sb=new StringBuffer();
    if (args!=null)
      String sep="";
      Enumeration names=args.propertyNames();
      while (names.hasMoreElements())
        String name=(String)names.nextElement();
        try { sb.append(sep+URLEncoder.encode(name,"UTF-8")+"="+URLEncoder.encode(args.getProperty(name),"UTF-8")); }
//        try { sb.append(sep+URLEncoder.encode(name,"UTF-16")+"="+URLEncoder.encode(args.getProperty(name),"UTF-16")); }
        catch (UnsupportedEncodingException e) { System.out.println(e); }
        sep="&";
    return sb.toString();
}As shown above the servlet need to encode a string.
Now my question becomes :
<1> Is it possible to send an object to a servlet, if so how ? And at the receiving end how to get it back to an object ?
<2> If it can't be done, how can I be sure to encode the string in the right format to send it over to the servlet ?
Frank

Xml string in Java - forbidden characters for data?

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