Examples of java.io.IOException

java.io.IOException
This IO exception is thrown when a program encounters some sort I/O error. Details may be specified in the constructor or by one of the subclasses.

        if(m_dir.equals("")) {
          setDir(System.getProperty("user.dir"));
        }
        if(m_prefix.equals("")) {
          if (relationName.length() == 0) {
            throw new IOException("[Saver] Empty filename!!");
          }
            setFile(new File(m_dir + File.separator + relationName+ add + FILE_EXTENSION));
        } else {
          if (relationName.length() > 0) {
            relationName = "_" + relationName;

View Full Code Here

   */
  public Instances getStructure() throws IOException {


    if (m_structure == null) {
      if (m_sourceReader == null) {
        throw new IOException("No source has been specified");
      }
      
      try {
  m_ArffReader = new ArffReader(m_sourceReader, 1);
  m_structure  = m_ArffReader.getStructure();
      } catch (Exception ex) {
  throw new IOException("Unable to determine structure as arff (Reason: " + ex.toString() + ").");
      }
    }


    return new Instances(m_structure, 0);
  }

View Full Code Here

   * @throws IOException if there is no source or parsing fails
   */
  public Instances getDataSet() throws IOException {


    if (m_sourceReader == null) {
      throw new IOException("No source has been specified");
    }
    if (getRetrieval() == INCREMENTAL) {
      throw new IOException("Cannot mix getting Instances in both incremental and batch modes");
    }
    setRetrieval(BATCH);
    if (m_structure == null) {
      getStructure();
    }

View Full Code Here

  public Instance getNextInstance(Instances structure) throws IOException {


    m_structure = structure;


    if (getRetrieval() == BATCH) {
      throw new IOException("Cannot mix getting Instances in both incremental and batch modes");
    }
    setRetrieval(INCREMENTAL);


    Instance current = null;
    if (m_sourceReader != null)

View Full Code Here

     */
    private String putData(InputStream srcStream, String remoteFile,
                           boolean append)
        throws IOException, FTPException {


        IOException storedEx = null;
        BufferedInputStream in = null;
        BufferedOutputStream out = null;
        long size = 0;
        try {
            in = new BufferedInputStream(srcStream);

View Full Code Here

        BufferedOutputStream out =
            new BufferedOutputStream(destStream);
        
        BufferedInputStream in = null;
        long size = 0;
        IOException storedEx = null;
        try {
            // get an input stream to read data from ... AFTER we have
            // the ok to go ahead AND AFTER we've successfully opened a
            // stream for the local file
            in = new BufferedInputStream(

View Full Code Here

   * @exception IOException always. CSVLoader is unable to process a data
   * set incrementally.
   */
  @Override
  public Instance getNextInstance(Instances structure) throws IOException {
    throw new IOException("CSVLoader can't read data sets incrementally.");
  }

View Full Code Here

      int writeMode = getWriteMode();
      Instances structure = getInstances();
      PrintWriter outW = null;
      
      if(getRetrieval() == BATCH || getRetrieval() == NONE)
          throw new IOException("Batch and incremental saving cannot be mixed.");
      if(getWriter() != null)
          outW = new PrintWriter(getWriter());
          
      if(writeMode == WAIT){
        if(structure == null){
            setWriteMode(CANCEL);
            if(inst != null)
                System.err.println("Structure(Header Information) has to be set in advance");
        }
        else
            setWriteMode(STRUCTURE_READY);
        writeMode = getWriteMode();
      }
      if(writeMode == CANCEL){
          if(outW != null)
              outW.close();
          cancel();
      }
      if(writeMode == STRUCTURE_READY){
          setWriteMode(WRITE);
          //write header
          if(retrieveFile() == null || outW == null){
              // print out attribute names as first row
              for (int i = 0; i < structure.numAttributes(); i++) {
                System.out.print(structure.attribute(i).name());
                if (i < structure.numAttributes()-1) {
                    System.out.print(m_FieldSeparator);
                } else {
                    System.out.println();
                }
              } 
          }
          else{
              for (int i = 0; i < structure.numAttributes(); i++) {
                outW.print(structure.attribute(i).name());
                if (i < structure.numAttributes()-1) {
                    outW.print(m_FieldSeparator);
                } else {
                    outW.println();
                }
              }
              outW.flush();
          }
          writeMode = getWriteMode();
      }
      if(writeMode == WRITE){
          if(structure == null)
              throw new IOException("No instances information available.");
          if(inst != null){
          //write instance 
              if(retrieveFile() == null || outW == null)
                System.out.println(inst);
              else{

View Full Code Here

   * @throws IOException throws IOException if saving in batch mode is not possible
   */
  public void writeBatch() throws IOException {
  
      if(getInstances() == null)
          throw new IOException("No instances to save");
      if(getRetrieval() == INCREMENTAL)
          throw new IOException("Batch and incremental saving cannot be mixed.");
      setRetrieval(BATCH);
      setWriteMode(WRITE);
      if(retrieveFile() == null && getWriter() == null){
          // print out attribute names as first row
          for (int i = 0; i < getInstances().numAttributes(); i++) {

View Full Code Here

    m_structure = null;
    
    setRetrieval(NONE);


    if (file == null)
      throw new IOException("Source file object is null!");


  //  try {
      String fName = file.getPath();
      try {
        if (m_env == null) {

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of java.io.IOException

com.facebook.hive.orc.lazy.LazyTreeReader

com.facebook.hive.orc.TestObjectInspector

com.github.kevinsawicki.http.HttpRequest

com.lightboxtechnologies.spectrum.MRCoffeeClient

com.linkedin.databus.core.util.Base64

com.ontologycentral.estatwrap.Data

com.sun.jna.Native

com.sun.messaging.jmq.jmsclient.protocol.direct.DirectConnectionHandler

com.sun.messaging.jmq.jmsserver.net.http.HTTPProtocol

com.sun.messaging.jmq.jmsserver.net.http.HTTPStreams

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.