BaseTextTag.java

/**
 * Copyright (C) 2008-2010, Squale Project - http://www.squale.org
 *
 * This file is part of Squale.
 *
 * Squale is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 *
 * Squale is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Squale.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.squale.welcom.taglib.field;

import javax.servlet.jsp.JspException;

import org.apache.struts.taglib.html.TextTag;
import org.apache.struts.util.RequestUtils;
import org.apache.struts.util.ResponseUtils;

/**
 * @author M327837 Etend la classe TextTag pour ajouter une methode prepareOthersAttributes
 */
public class BaseTextTag
    extends TextTag
{

    /**
     * @see javax.servlet.jsp.tagext.Tag#doStartTag()
     */
    public int doStartTag()
        throws JspException
    {
        // Create an appropriate "input" element based on our parameters
        final StringBuffer results = new StringBuffer( "<input type=\"" );
        results.append( type );
        results.append( "\" name=\"" );

        // * @since Struts 1.1
        if ( indexed )
        {
            prepareIndex( results, name );
        }

        results.append( property );
        results.append( "\"" );

        if ( accesskey != null )
        {
            results.append( " accesskey=\"" );
            results.append( accesskey );
            results.append( "\"" );
        }

        if ( accept != null )
        {
            results.append( " accept=\"" );
            results.append( accept );
            results.append( "\"" );
        }

        if ( maxlength != null )
        {
            results.append( " maxlength=\"" );
            results.append( maxlength );
            results.append( "\"" );
        }

        if ( cols != null )
        {
            results.append( " size=\"" );
            results.append( cols );
            results.append( "\"" );
        }

        if ( tabindex != null )
        {
            results.append( " tabindex=\"" );
            results.append( tabindex );
            results.append( "\"" );
        }

        prepareOthersAttributes( results );

        results.append( prepareValue() );
        results.append( prepareEventHandlers() );
        results.append( prepareStyles() );
        results.append( getElementClose() );

        // Print this field to our output writer
        ResponseUtils.write( pageContext, results.toString() );

        // Continue processing this page
        return ( EVAL_PAGE );
    }

    /**
     * Ecrit dans le stringbuffer la partie relative a la value
     * 
     * @return lattribut value
     * @throws JspException exception sur la recherche de l'objet
     */
    private String prepareValue()
        throws JspException
    {
        StringBuffer results = new StringBuffer();
        results.append( " value=\"" );
        doRenderValue( results );
        results.append( "\"" );
        return results.toString();
    }

    /**
     * Ecrit dans le stringbuffer la partie relative a la value
     * 
     * @param results le stringbuffer
     * @throws JspException exception pouvant etre levee
     */
    protected void doRenderValue( final StringBuffer results )
        throws JspException
    {

        if ( value != null )
        {
            results.append( ResponseUtils.filter( value ) );
        }
        else if ( redisplay || !"password".equals( type ) )
        {
            Object value = RequestUtils.lookup( pageContext, name, property, null );

            if ( value == null )
            {
                value = "";
            }

            results.append( ResponseUtils.filter( value.toString() ) );
        }

    }

    /**
     * Ajoute a string buffer les attributs supplementaires
     * 
     * @param sb string buffer
     */
    protected void prepareOthersAttributes( StringBuffer sb )
    {
        // Dans ce ca ne fais rien
    }

}