com.ibm.as400.access.NPAttrString Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jt400 Show documentation
The Open Source version of the IBM Toolbox for Java
The newest version!
///////////////////////////////////////////////////////////////////////////////
//                                                                             
// JTOpen (IBM Toolbox for Java - OSS version)                              
//                                                                             
// Filename: NPAttrString.java
//                                                                             
// The source code contained herein is licensed under the IBM Public License   
// Version 1.0, which has been approved by the Open Source Initiative.         
// Copyright (C) 1997-2000 International Business Machines Corporation and     
// others. All rights reserved.                                                
//                                                                             
///////////////////////////////////////////////////////////////////////////////

package com.ibm.as400.access;

/**
  * For a list of valid attribute IDs, see the NPObject class.
  *
  **/

class NPAttrString extends NPAttribute implements Cloneable,
                                                  java.io.Serializable  
{
    static final long serialVersionUID = 4L;

    private String attrValue_;    // stored string byte value in PC terms

    NPAttrString(NPAttrString attr)
    {
       super(attr);
       attrValue_ = attr.attrValue_;
    }

    NPAttrString(int ID)
    {
       super(ID, STRING);
    }

    /**
      * construct a new NPAttrString with the specified ID and value.
      * the value will be copied (you can modify it later and it won't
      * affect this attribute's value
      **/
    NPAttrString(int ID, String value)
    {
       super(ID, STRING);
       set(value);
    }

    NPAttrString(int ID,
                   byte[] hostDataStream,
                   int offset,
                   int length,
                   ConverterImpl hostConverter)                                                 
    {
       super(ID, STRING, hostDataStream, offset, length, hostConverter);
       buildStringFromHostData(hostConverter);                                                  
    }

    private void buildHostString(ConverterImpl converter)                                       
    {
       byte[] hostValue;
       hostValue = new byte[attrValue_.length() + 1];   // EBCDIC string must be null-terminated
       byte[] temp = converter.stringToByteArray(attrValue_);   // move string into byte array 
       System.arraycopy(temp, 0, hostValue, 0, hostValue.length-1);                            
       hostValue[hostValue.length-1] = 0;              // null terminate
       super.setHostData(hostValue, converter);
    }

    private void buildStringFromHostData(ConverterImpl converter)                               
    {
       byte[] hostValue = super.getHostData(converter);                                         
       if ((hostValue == null) || (hostValue.length == 0))
       {
          attrValue_ = "";
       } else {
          attrValue_ = converter.byteArrayToString(hostValue, 0, hostValue.length-1);           
          attrValue_ = attrValue_.trim();
       }

    }

    protected Object  clone()
    {
       NPAttrString attr;
       attr = new NPAttrString(this);
       return attr;
    }

    String get()
    {
       return attrValue_;
    }


    
    byte[] getHostData(ConverterImpl converter)                                             
    {
       buildHostString(converter);                // update host data with our string       
       return super.getHostData(converter);                                                 
    }

    int getHostLength(ConverterImpl converter)                                              
    {
       buildHostString(converter);                // update host data with our string       
       return super.getHostLength(converter);                                               
    }

    void set(String value)
    {
      attrValue_ = value;

       /////////////////////////////////////////////////
       // We must upper case object names, but we can't
       //  uppercase everything. The specified attrs 
       //  below shoudn't be uppercased 
       /////////////////////////////////////////////////
       if ( (getID() != PrintObject.ATTR_USERCMT)   &&
            (getID() != PrintObject.ATTR_USERDATA)  &&
            (getID() != PrintObject.ATTR_RMTPRTQ)   &&
            (getID() != PrintObject.ATTR_IPP_ATTR_NL)   &&       
            (getID() != PrintObject.ATTR_IPP_PRINTER_NAME)   &&  
            (getID() != PrintObject.ATTR_IPP_JOB_NAME)   &&      
            (getID() != PrintObject.ATTR_IPP_JOB_NAME_NL)   &&   
            (getID() != PrintObject.ATTR_IPP_JOB_ORIGUSER)   &&  
            (getID() != PrintObject.ATTR_IPP_JOB_ORIGUSER_NL)  &&
            (getID() != PrintObject.ATTR_RMTSYSTEM)  &&          
            (getID() != PrintObject.ATTR_FORMTYPE)   &&          
            (getID() != PrintObject.ATTR_USRDEFDATA) &&          
            (getID() != PrintObject.ATTR_USRDEFOPT)  &&          
            (getID() != PrintObject.ATTR_DESCRIPTION)
            )
       {
         /////////////////////////////////////////////////
         // If the string is not zero length,
         // upper case names that don't start with a
         // quotation mark
         /////////////////////////////////////////////////
         if (value.length() != 0)
         {
           if (!value.startsWith("\""))
           {
             // only uppercase characters which are lower case alphabetic characters
             String sAlphabet = "abcdefghijklmnopqrstuvwxyz";
             StringBuffer sbOutput = new StringBuffer();
             
             for(int i = 0;i