package org.sourceforge.vlibrary.user.domain;
   
   import org.apache.commons.lang.StringUtils;
   
   
   
   /**
    * Represents a book.
    * @version $Revision$ $Date$
   */
  
  public class Book {
      private String title = null;
      private long id = 0;
      private String publisher = "";
      private String pub_date = "";
      private String created = "";
      private long owner = 0;
      private String isbn = "";
      private int copy = 0;
      private int editable =0;
  
      public Book() {
      }
  
  
      public Book(String title,
       long id,
       String publisher,
       String pub_date,
       String created,
       long owner,
       String isbn
       ) {
          this.title = title;
          this.id = id;
          this.publisher= publisher;
          this.pub_date = pub_date;
          this.created = created;
          this.owner = owner;
          this.isbn = isbn;
      }
  
      public void setEditable( int editable ) {
          this.editable = editable;
      }
  
      public int getEditable() {
          return this.editable;
      }
  
      public String toString() {
          return  "<Book "            +
           "id=\""             + id +
           "\" title=\""       + title +
           "\" publisher=\""   + publisher +
           "\" pub_date=\""    + pub_date +
           "\" created=\""     + created +
           "\" owner=\""       + owner +
           "\" isbn=\""        + isbn +
           "\" editable=\""    + editable +
            "\" copy=\""    + copy +
           "\" />";
      }
  
      public String getCreated() {
          return created;
      }
  
      public void setCreated(String created) {
          this.created = created;
      }
  
      public long getId() {
          return id;
      }
  
      public void setId(long id) {
          this.id = id;
      }
  
      public void setId(Long id) {
          this.id = id.longValue();
      }
  
      public String getIsbn() {
          return isbn;
      }
  
      public void setIsbn(String isbn) {
          this.isbn = isbn;
      }
  
      public long getOwner() {
          return owner;
      }
  
      public void setOwner(long owner) {
          this.owner = owner;
     }
 
     public void setOwner(Long owner) {
         this.owner = owner.longValue();
     }
 
     public String getPub_date() {
         return pub_date;
     }
 
     public void setPub_date(String pub_date) {
         this.pub_date = pub_date;
     }
 
     public String getPublisher() {
         return publisher;
     }
 
     public void setPublisher(String publisher) {
         this.publisher = publisher;
     }
 
     public String getTitle() {
         return title;
     }
 
     public void setTitle(String title) {
         this.title = title;
     }
 
     public String getIsbnc() {
         StringBuffer st = new StringBuffer();
 
         for (int i=0;i<isbn.length();i++) {
             char thisChar = isbn.charAt(i);
             if (thisChar != '-')
                 st.append(isbn.charAt(i));
         }
 
         return st.toString();
     }
 
     public int getCopy() {
         return copy;
     }
 
     public void setCopy(int copy) {
         this.copy = copy;
     }
 
     /**
      * Normalizes isbn numbers to n-nnn-nnnnn-n format by stripping
      * all but digits and adding "-"'s in correct positions
      *
      * @param isbn - the input isbn string
      */
     public String normalizeIsbn(String isbn) {
         if ((isbn == null) || (isbn.length() == 0)) {
             return isbn;
         }
 
         String inString = isbn.trim();
         StringBuffer out = new StringBuffer();
         int digitCount = 0;
         String thisChar = "";
         for (int i = 0; i < isbn.length(); i++) {
             thisChar = inString.substring(i,i+1);
 
             if ((StringUtils.isNumeric(thisChar)) ||
              (thisChar.equalsIgnoreCase("x"))) {
                 digitCount++;
                 out.append(thisChar);
                 if ((digitCount == 1) || (digitCount == 4) || (digitCount == 9))
                     out.append("-");
             }
         }
         return out.toString();
     }
 
     /**
      * Returns true if obj is a book and id, owner, title, publisher, copy and
      * pub_date fields match the values of this exactly and the isbn fields
      * match when "-"'s are removed. Allows null field values in comparisons.
      *
      * @param obj the object to test
      * @return true if obj equals this
      */
     public boolean equals(Object obj) {
         if (this == obj) {
             return true;
         }
 
         if((obj == null) || !(obj instanceof Book)) {
             return false;
         }
 
         Book book = (Book) obj;
 
         if (this.title == null && book.getTitle() != null) {
             return false;
         }
         if ((this.publisher != null && this.publisher.equals("")) &&
          (book.getPublisher() != null && !book.getPublisher().equals(""))) {
             return false;
         }
         if ((this.pub_date != null && this.pub_date.equals("")) &&
          (book.getPub_date() != null && !book.getPub_date().equals(""))) {
             return false;
         }
         if (( this.isbn != null && this.isbn.equals("")) &&
          (book.getIsbn() != null && !book.getIsbn().equals(""))) {
             return false;
         }
 
         return
          (this.id == book.getId()) &&
          (this.publisher == null ||
          this.publisher.equals(book.getPublisher())) &&
          (this.title == null ||
          this.title.equals(book.getTitle())) &&
          (this.pub_date == null ||
          this.pub_date.equals(book.getPub_date())) &&
          (this.copy == book.copy) &&
          (this.owner == book.getOwner()) &&
          (this.isbn == null ||
          this.getIsbnc().equals(book.getIsbnc()));
     }
 
 
     public int hashCode() {
         int hash = (int) this.id * 7;
         hash = 17 * hash + (int) this.owner;
         String cat = this.publisher + "|" + this.title +
          "|" + this.getIsbnc() + "|" + this.pub_date;
         return 31 * hash + 19 * copy + cat.hashCode();
     }
 }