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The Open Source version of the IBM Toolbox for Java
///////////////////////////////////////////////////////////////////////////////
//
// JTOpen (IBM Toolbox for Java - OSS version)
//
// Filename: HTMLTableCell.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) 1997-2001 International Business Machines Corporation and
// others. All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////
package com.ibm.as400.util.html;
import com.ibm.as400.access.ExtendedIllegalArgumentException;
import com.ibm.as400.access.ExtendedIllegalStateException;
import com.ibm.as400.access.Trace;
import java.beans.PropertyChangeSupport;
import java.beans.PropertyChangeListener;
import java.beans.PropertyVetoException;
import java.beans.VetoableChangeSupport;
import java.beans.VetoableChangeListener;
import java.io.Serializable;
/**
* The HTMLTableCell class represents data in an HTML table cell.
*
* This example creates an HTML text HTMLTableCell object.
*
*
* // Create an HTMLText object.
* HTMLText ibmText = new HTMLText("IBM");
* ibmText.setBold(true);
* ibmText.setItalic(true);
* HTMLTableCell textCell = new HTMLTableCell(ibmText);
* textCell.setHorizontalAlignment(HTMLConstants.CENTER);
* System.out.println(textCell.getTag());
*
*
* Here is the output of the tag:
*
*
<td align="center"><b><i>IBM</i></b></td>
*
* Calling getFOTag() produces the following:
*
* <fo:table-cell border-style='solid' border-width='1px' padding='1px' text-align='center'><fo:block-container>
* <fo:block font-weight='bold' font-style='italic'>IBM</fo:block>
* </fo:block-container>
* </fo:table-cell>
*
*
* This example creates an HTMLTableCell object with the element as an HTMLForm
* object containing a submit button.
*
*
* HTMLTableCell formCell = new HTMLTableCell();
* // create an HTMLForm object.
* SubmitFormInput submitButton = new SubmitFormInput("Submit", "Send");
* HTMLForm form = new HTMLForm("http://myCompany.com/myServlet");
* form.addElement(submitButton);
* // add the form to the table cell.
* formCell.setElement(form);
* System.out.println(formCell.getTag());
*
*
* Here is the output of the tag:
*
* <td><form action="http://myCompany.com/myServlet" method="get">
* <input type="submit" value="Send" />
* </form></td>
*
*
* HTMLTableCell objects generate the following events:
*
* - PropertyChangeEvent
*
- VetoableChangeEvent
*
*
* @see com.ibm.as400.util.html.HTMLTable
* @see com.ibm.as400.util.html.HTMLTableRow
**/
public class HTMLTableCell extends HTMLTagAttributes implements HTMLConstants, Serializable
{
private static final String copyright = "Copyright (C) 1997-2001 International Business Machines Corporation and others.";
static final long serialVersionUID = -4848852026390616957L;
private HTMLTagElement element_; // The cell data.
private String align_; // The cell horizontal alignment.
private int colSpan_ = 1; // The number of cell columns in the table the cell should span.
private int height_; // The cell height in percent or pixels.
private int rowSpan_ = 1; // The number of cell rows in the table the cell should span.
private String vAlign_; // The cell vertical alignment.
private int width_; // The cell width in percent or pixels.
private boolean wrap_ = true; // Indicates if normal HTML linebreaking conventions are used.
private String lang_; // The primary language used to display the tags contents. //$B1A
private String dir_; // The direction of the text interpretation. //$B1A
private boolean heightPercent_ = false; // Indicates if the height is in percent.
private boolean widthPercent_ = false; // Indicates if the width is in percent.
private boolean useFO_ = false; // Indicates if XSL-FO tags are used //@D1A
private int borderWidth_ = 1; // The width of the cell border //@D1A
private int cellPadding_ = 1; // The padding for the cell //@D1A
transient private VetoableChangeSupport vetos_; //@CRS
/**
* Constructs a default HTMLTableCell object.
**/
public HTMLTableCell()
{
}
/**
* Constructs an HTMLTableCell.
* @param element The table cell element.
**/
public HTMLTableCell(HTMLTagElement element)
{
if (element == null)
throw new NullPointerException("element");
element_ = element;
}
/**
* Adds the VetoableChangeListener. The specified VetoableChangeListener's vetoableChange
* method is called each time the value of any constrained property is changed.
* @see #removeVetoableChangeListener
* @param listener The VetoableChangeListener.
**/
public void addVetoableChangeListener(VetoableChangeListener listener)
{
if (listener == null)
throw new NullPointerException("listener");
if (vetos_ == null) vetos_ = new VetoableChangeSupport(this); //@CRS
vetos_.addVetoableChangeListener(listener);
}
/**
* Returns the column span. The default value is one.
* @return The column span.
**/
public int getColumnSpan()
{
return colSpan_;
}
/**
* Returns the direction of the text interpretation.
* @return The direction of the text.
**/
public String getDirection() //$B1A
{
return dir_;
}
/**
* Returns the direction attribute tag.
* @return The direction tag.
**/
String getDirectionAttributeTag() //$B1A
{
if(useFO_ ) //@D1A
{ //@D1A
if((dir_ != null) && (dir_.length()>0)) //@D1A
{ //@D1A
if(dir_.equals(HTMLConstants.RTL)) //@D1A
return " writing-mode='rl'"; //@D1A
else //@D1A
return " writing-mode='lr'"; //@D1A
} //@D1A
else //@D1A
return ""; //@D1A
} //@D1A
else //@D1A
{ //@D1A
//@C1D
if ((dir_ != null) && (dir_.length() > 0))
return " dir=\"" + dir_ + "\"";
else
return "";
} //@D1A
}
/**
* Returns the table cell element.
* @return The cell element.
**/
public HTMLTagElement getElement()
{
return element_;
}
/**
* Returns the table cell end tag.
* @return The end tag.
**/
String getEndTag()
{
if(!useFO_) //@D1A
return "\n";
else
return "\n"; // @D1A
}
/**
* Returns the height relative to the table in pixels or percent.
* @return The height.
**/
public int getHeight()
{
return height_;
}
/**
* Returns the horizontal alignment. The default value is LEFT.
* @return The horizontal alignment. One of the following constants
* defined in HTMLConstants: CENTER, LEFT, or RIGHT.
* @see com.ibm.as400.util.html.HTMLConstants
**/
public String getHorizontalAlignment()
{
return align_;
}
/**
* Returns the language of the table cell.
* @return The language of the table cell.
**/
public String getLanguage() //$B1A
{
return lang_;
}
/**
* Returns the language attribute tag.
* @return The language tag.
**/
String getLanguageAttributeTag() //$B1A
{
//@C1D
if ((lang_ != null) && (lang_.length() > 0))
return " lang=\"" + lang_ + "\"";
else
return "";
}
/**
* Returns the row span. The default value is one.
* @return The row span.
**/
public int getRowSpan()
{
return rowSpan_;
}
/**
* Returns the table cell start tag.
* @return The start tag.
**/
String getStartTag()
{
if(!useFO_) //@D1A
return " 1) //@D1A
{
tag.append(" rowspan=\"");
tag.append(rowSpan_);
tag.append("\"");
}
if (colSpan_ > 1) //@D1A
{
tag.append(" colspan=\"");
tag.append(colSpan_);
tag.append("\"");
}
// Add the size attributes.
if (height_ > 0) //@D1A
{
tag.append(" height=\"");
tag.append(height_);
if (heightPercent_)
tag.append("%");
tag.append("\"");
}
if (width_ > 0) //@D1A
{
tag.append(" width=\"");
tag.append(width_);
if (widthPercent_)
tag.append("%");
tag.append("\"");
}
// Add the wrap attribute.
if (!wrap_) //@D1A
tag.append(" nowrap=\"nowrap\"");
tag.append(getLanguageAttributeTag()); //$B1A
tag.append(getDirectionAttributeTag()); //$B1A
tag.append(getAttributeString()); // @Z1A
}
else //@D1A
{
// Add the span attributes.
if (rowSpan_ > 1)
{
tag.append(" number-rows-spanned='");
tag.append(rowSpan_);
tag.append("'");
}
if (colSpan_ > 1)
{
tag.append(" number-columns-spanned='");
tag.append(colSpan_);
tag.append("'");
}
// Add the size attributes.
if (height_ > 0) //@D1A
{
tag.append(" height='");
tag.append(height_);
if (heightPercent_)
tag.append("%");
tag.append("'");
}
if (width_ > 0)
{
tag.append(" width='");
tag.append(width_);
if (widthPercent_)
tag.append("%");
tag.append("'");
}
}
tag.append(">");
return tag.toString(); //@D1C
}
/**
* Returns the table cell tag.
* @return The cell tag.
**/
public String getTag()
{
return getTag(element_);
}
/**
* Returns the XSL-FO table cell tag.
* @return The cell tag.
**/
public String getFOTag() //@D1A
{
return getFOTag(element_);
}
/**
* Returns the XSL-FO table cell tag with the specified element.
* It does not change the cell object's element attribute.
* The valign, wrap and laguage attributes are not supported in XSL-FO.
* @param element The table cell element.
* @return The XSL-FO cell tag.
**/
public String getFOTag(HTMLTagElement element) //@D1A
{
//Save current state of useFO_
boolean useFO = useFO_;
setUseFO(true);
// Verify that the element is set.
if (element == null)
throw new NullPointerException("element");
StringBuffer tag = new StringBuffer(getStartTag());
tag.append(getAttributeTag());
tag.append("\n");
tag.append(element.getFOTag());
tag.append("\n");
tag.append(getEndTag());
//Set useFO_ to previous state
setUseFO(useFO);
return tag.toString();
}
/**
* Returns the table cell tag with the specified element.
* It does not change the cell object's element attribute.
* @param element The table cell element.
* @return The cell tag.
**/
public String getTag(HTMLTagElement element)
{
//@C1D
if(useFO_) //@D1A
return getFOTag(element); //@D1A
// Verify that the element is set.
if (element == null)
throw new NullPointerException("element");
StringBuffer tag = new StringBuffer(getStartTag());
tag.append(getAttributeTag());
tag.append(element.getTag());
tag.append(getEndTag());
return tag.toString(); //@D1C
}
/**
* Returns the vertical alignment.
* @return The vertical alignment. One of the following constants
* defined in HTMLConstants: BASELINE, BOTTOM, MIDDLE, or TOP.
* @see com.ibm.as400.util.html.HTMLConstants
**/
public String getVerticalAlignment()
{
return vAlign_;
}
/**
* Returns the width relative to the table in pixels or percent.
* @return The width.
**/
public int getWidth()
{
return width_;
}
/**
* Indicates if the height is in percent or pixels.
* The default value is false.
* @return true if percent; pixels otherwise.
**/
public boolean isHeightInPercent()
{
return heightPercent_;
}
/**
* Returns if Formatting Object tags are outputted.
* The default value is false.
* @return true if the output generated is an XSL formatting object, false if the output generated is HTML.
**/
public boolean isUseFO()
{
//@D1A
return useFO_;
}
/**
* Indicates if the width is in percent or pixels.
* The default value is false.
* @return true if percent; pixels otherwise.
**/
public boolean isWidthInPercent()
{
return widthPercent_;
}
/**
* Indicates if the cell data will use normal HTML linebreaking conventions.
* The default value is true.
* @return true if normal HTML linebreaking is used; false otherwise.
**/
public boolean isWrap()
{
return wrap_;
}
/**
* Deserializes and initializes transient data.
**/
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException
{
in.defaultReadObject();
//@CRS changes_ = new PropertyChangeSupport(this);
//@CRS vetos_ = new VetoableChangeSupport(this);
}
/**
* Removes the VetoableChangeListener from the internal list.
* If the VetoableChangeListener is not on the list, nothing is done.
* @see #addVetoableChangeListener
* @param listener The VetoableChangeListener.
**/
public void removeVetoableChangeListener(VetoableChangeListener listener)
{
if (listener == null)
throw new NullPointerException("listener");
if (vetos_ != null) vetos_.removeVetoableChangeListener(listener); //@CRS
}
/**
* Sets the column span. The default value is one.
* @param span The column span.
* @exception PropertyVetoException If the change is vetoed.
**/
public void setColumnSpan(int span) throws PropertyVetoException
{
if (span <= 0)
throw new ExtendedIllegalArgumentException("span", ExtendedIllegalArgumentException.RANGE_NOT_VALID);
//@CRS Integer oldSpan = new Integer(colSpan_);
//@CRS Integer newSpan = new Integer(span);
int oldSpan = colSpan_; //@CRS
if (vetos_ != null) vetos_.fireVetoableChange("span", new Integer(oldSpan), new Integer(span)); //@CRS
colSpan_ = span;
if (changes_ != null) changes_.firePropertyChange("span", new Integer(oldSpan), new Integer(span)); //@CRS
}
/**
* Sets the direction of the text interpretation.
* @param dir The direction. One of the following constants
* defined in HTMLConstants: LTR or RTL.
*
* @see com.ibm.as400.util.html.HTMLConstants
*
* @exception PropertyVetoException If a change is vetoed.
**/
public void setDirection(String dir) //$B1A
throws PropertyVetoException
{
if (dir == null)
throw new NullPointerException("dir");
// If direction is not one of the valid HTMLConstants, throw an exception.
if ( !(dir.equals(HTMLConstants.LTR)) && !(dir.equals(HTMLConstants.RTL)) )
{
throw new ExtendedIllegalArgumentException("dir", ExtendedIllegalArgumentException.PARAMETER_VALUE_NOT_VALID);
}
String old = dir_;
if (vetos_ != null) vetos_.fireVetoableChange("dir", old, dir ); //@CRS
dir_ = dir;
if (changes_ != null) changes_.firePropertyChange("dir", old, dir ); //@CRS
}
/**
* Sets the table cell element.
* @param element The cell element.
* @exception PropertyVetoException If the change is vetoed.
**/
public void setElement(String element) throws PropertyVetoException
{
setElement(new HTMLText(element));
}
/**
* Sets the table cell element.
* @param element The cell element.
* @exception PropertyVetoException If the change is vetoed.
**/
public void setElement(HTMLTagElement element) throws PropertyVetoException
{
if (element == null)
throw new NullPointerException("element");
HTMLTagElement old = element_;
if (vetos_ != null) vetos_.fireVetoableChange("element", old, element ); //@CRS
element_ = element;
if (changes_ != null) changes_.firePropertyChange("element", old, element ); //@CRS
}
/**
* Sets the height relative to the table. The default unit is pixels.
* A table row can only have one height.
* If multiple cell heights are defined for different cells in the row, the outcome is browser
* dependent.
* @param height The height.
* @exception PropertyVetoException If the change is vetoed.
* @see #setHeightInPercent
**/
public void setHeight(int height) throws PropertyVetoException
{
if (height <= 0)
throw new ExtendedIllegalArgumentException("height", ExtendedIllegalArgumentException.RANGE_NOT_VALID);
//@CRS Integer oldHeight = new Integer(height_);
//@CRS Integer newHeight = new Integer(height);
int oldHeight = height_;
if (vetos_ != null) vetos_.fireVetoableChange("height", new Integer(oldHeight), new Integer(height)); //@CRS
height_ = height;
if (changes_ != null) changes_.firePropertyChange("height", new Integer(oldHeight), new Integer(height)); //@CRS
}
/**
* Sets the height relative to the table in pixels or percent.
* A table row can only have one height.
* If multiple cell heights are defined for different cells in the row, the outcome is browser dependent.
* @param height The height.
* @param heightInPercent true if unit is percent; false if pixels.
* @exception PropertyVetoException If the change is vetoed.
**/
public void setHeight(int height, boolean heightInPercent) throws PropertyVetoException
{
int oldHeight = height_;
setHeight(height);
try
{
setHeightInPercent(heightInPercent);
}
catch (PropertyVetoException e)
{
// Restore the original height.
height_ = oldHeight;
throw new PropertyVetoException("heightInPercent", e.getPropertyChangeEvent());
}
}
/**
* Sets the height unit in percent or pixels. The default is false.
* @param heightInPercent true if unit is percent; false if pixels.
* @exception PropertyVetoException If the change is vetoed.
* @see #setHeight
**/
public void setHeightInPercent(boolean heightInPercent) throws PropertyVetoException
{
//@CRS Boolean oldHeight = new Boolean(heightPercent_);
//@CRS Boolean newHeight = new Boolean(heightInPercent);
boolean oldHeight = heightPercent_; //@CRS
if (vetos_ != null) vetos_.fireVetoableChange("heightInPercent", new Boolean(oldHeight), new Boolean(heightInPercent)); //@CRS
heightPercent_ = heightInPercent;
if (changes_ != null) changes_.firePropertyChange("heightInPercent", new Boolean(oldHeight), new Boolean(heightInPercent)); //@CRS
}
/**
* Sets the horizontal alignment. The default value is LEFT.
* @param alignment The horizontal alignment. One of the following constants
* defined in HTMLConstants: CENTER, LEFT, or RIGHT.
* @exception PropertyVetoException If the change is vetoed.
* @see com.ibm.as400.util.html.HTMLConstants
**/
public void setHorizontalAlignment(String alignment) throws PropertyVetoException
{
if (alignment == null)
{
throw new NullPointerException("alignment");
}
else if (alignment.equalsIgnoreCase(LEFT) ||
alignment.equalsIgnoreCase(CENTER) ||
alignment.equalsIgnoreCase(RIGHT))
{
String old = align_;
if (vetos_ != null) vetos_.fireVetoableChange("alignment", old, alignment ); //@CRS
align_ = alignment;
if (changes_ != null) changes_.firePropertyChange("alignment", old, alignment ); //@CRS
}
else
{
throw new ExtendedIllegalArgumentException("alignment", ExtendedIllegalArgumentException.PARAMETER_VALUE_NOT_VALID);
}
}
/**
* Sets the language of the table cell.
* @param lang The language. Example language tags include:
* en and en-US.
*
* @exception PropertyVetoException If a change is vetoed.
**/
public void setLanguage(String lang) //$B1A
throws PropertyVetoException
{
if (lang == null)
throw new NullPointerException("lang");
String old = lang_;
if (vetos_ != null) vetos_.fireVetoableChange("lang", old, lang ); //@CRS
lang_ = lang;
if (changes_ != null) changes_.firePropertyChange("lang", old, lang ); //@CRS
}
/**
* Sets the row span. The default value is one.
* @param span The row span.
* @exception PropertyVetoException If the change is vetoed.
**/
public void setRowSpan(int span) throws PropertyVetoException
{
if (span <= 0)
throw new ExtendedIllegalArgumentException("span", ExtendedIllegalArgumentException.RANGE_NOT_VALID);
//@CRS Integer oldSpan = new Integer(rowSpan_);
//@CRS Integer newSpan = new Integer(span);
int oldSpan = rowSpan_; //@CRS
if (vetos_ != null) vetos_.fireVetoableChange("span", new Integer(oldSpan), new Integer(span)); //@CRS
rowSpan_ = span;
if (changes_ != null) changes_.firePropertyChange("span", new Integer(oldSpan), new Integer(span)); //@CRS
}
/**
* Sets if Formatting Object tags should be used.
* The default value is false.
* @param useFO - true if output generated is a XSL formatting object, false if the output generated is HTML.
**/
public void setUseFO(boolean useFO) // @D1A
{
boolean old = useFO_;
useFO_ = useFO;
if (changes_ != null) changes_.firePropertyChange("useFO", old, useFO );
}
/**
* Sets the border width in pixels. A value of zero indicates no border.
* The default value is one.
* @param borderWidth The border width.
**/
public void setBorderWidth(int borderWidth) // @D1A
{
Integer oldWidth = new Integer(borderWidth_);
Integer newWidth = new Integer(borderWidth);
borderWidth_ = borderWidth;
if (changes_ != null) changes_.firePropertyChange("borderWidth", oldWidth, newWidth);
}
/**
* Sets the global table cell padding. The cell padding is the spacing between
* data in a table cell and the border of the cell.
* @param cellPadding The cell padding.
**/
public void setCellPadding(int cellPadding) // @D1A
{
Integer oldPadding = new Integer(cellPadding_);
Integer newPadding = new Integer(cellPadding);
cellPadding_ = cellPadding;
if (changes_ != null) changes_.firePropertyChange("cellPadding", oldPadding, newPadding);
}
/**
* Sets the vertical alignment.
* @param alignment The vertical alignment. One of the following constants
* defined in HTMLConstants: BASELINE, BOTTOM, MIDDLE, or TOP.
* @exception PropertyVetoException If the change is vetoed.
* @see com.ibm.as400.util.html.HTMLConstants
**/
public void setVerticalAlignment(String alignment) throws PropertyVetoException
{
if (alignment == null)
{
throw new NullPointerException("alignment");
}
else if (alignment.equalsIgnoreCase(TOP) ||
alignment.equalsIgnoreCase(MIDDLE) ||
alignment.equalsIgnoreCase(BOTTOM) ||
alignment.equalsIgnoreCase(BASELINE))
{
String old = vAlign_;
if (vetos_ != null) vetos_.fireVetoableChange("alignment", old, alignment ); //@CRS
vAlign_ = alignment;
if (changes_ != null) changes_.firePropertyChange("alignment", old, alignment ); //@CRS
}
else
{
throw new ExtendedIllegalArgumentException("alignment", ExtendedIllegalArgumentException.PARAMETER_VALUE_NOT_VALID);
}
}
/**
* Sets the width relative to the table. The default width unit is pixels.
* A table column can only have one width and the width used is usually the widest.
* If multiple cell widths are defined for different cells in the column, the outcome is browser dependent.
* @param width The width.
* @exception PropertyVetoException If the change is vetoed.
* @see #setWidthInPercent
**/
public void setWidth(int width) throws PropertyVetoException
{
if (width <= 0)
throw new ExtendedIllegalArgumentException("width", ExtendedIllegalArgumentException.RANGE_NOT_VALID);
//@CRS Integer oldWidth = new Integer(width_);
//@CRS Integer newWidth = new Integer(width);
int oldWidth = width_; //@CRS //@K1C
if (vetos_ != null) vetos_.fireVetoableChange("width", new Integer(oldWidth), new Integer(width)); //@CRS
width_ = width;
if (changes_ != null) changes_.firePropertyChange("width", new Integer(oldWidth), new Integer(width)); //@CRS
}
/**
* Sets the width relative to the table in percent or pixels.
* A table column can only have one width and the width used is usually the widest.
* If multiple cell widths are defined for different cells in the column, the outcome
* is browser dependent.
* @param width The width.
* @param widthInPercent true if unit is percent; false if pixels.
* @exception PropertyVetoException If the change is vetoed.
**/
public void setWidth(int width, boolean widthInPercent) throws PropertyVetoException
{
int oldWidth = width_;
setWidth(width);
try
{
setWidthInPercent(widthInPercent);
}
catch (PropertyVetoException e)
{
width_ = oldWidth;
throw new PropertyVetoException("widthInPercent", e.getPropertyChangeEvent());
}
}
/**
* Sets the width unit in percent or pixels. The default is false.
* @param widthInPercent true if unit is percent; false if pixels.
* @exception PropertyVetoException If the change is vetoed.
* @see #setWidth
**/
public void setWidthInPercent(boolean widthInPercent) throws PropertyVetoException
{
//@CRS Boolean oldWidth = new Boolean(widthPercent_);
//@CRS Boolean newWidth = new Boolean(widthInPercent);
boolean oldWidth = widthPercent_; //@CRS
if (vetos_ != null) vetos_.fireVetoableChange("widthInPercent", new Boolean(oldWidth), new Boolean(widthInPercent)); //@CRS
widthPercent_ = widthInPercent;
if (changes_ != null) changes_.firePropertyChange("widthInPercent", new Boolean(oldWidth), new Boolean(widthInPercent)); //@CRS
}
/**
* Sets if the cell data will use normal HTML linebreaking conventions.
* The default value is true.
* @param wrap true if normal HTML linebreaking is used; false otherwise.
* @exception PropertyVetoException If the change is vetoed.
**/
public void setWrap(boolean wrap) throws PropertyVetoException
{
//@CRS Boolean oldWrap = new Boolean(wrap_);
//@CRS Boolean newWrap = new Boolean(wrap);
boolean oldWrap = wrap_; //@CRS
if (vetos_ != null) vetos_.fireVetoableChange("wrap", new Boolean(oldWrap), new Boolean(wrap)); //@CRS
wrap_ = wrap;
if (changes_ != null) changes_.firePropertyChange("wrap", new Boolean(oldWrap), new Boolean(wrap)); //@CRS
}
/**
* Returns the HTML table cell tag.
* @return The cell tag.
**/
public String toString()
{
return getTag();
}
}