texttag.java

这是一个轻便的j2ee的web应用框架,是一个在多个项目中运用的实际框架,采用struts,hebinate,xml等技术,有丰富的tag,role,navigation,session,dictio

/*
 * $Header: /sfroot/cvs/esimple/src/core/com/esimple/framework/web/taglib/tiles/ext/TextTag.java,v 1.1.1.1 2004/09/08 06:38:27 lava Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2004/09/08 06:38:27 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
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 * <http://www.apache.org/>.
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 */


package com.esimple.framework.web.taglib.tiles.ext;


import javax.servlet.jsp.JspException;

import com.esimple.framework.web.taglib.html.BaseFieldTag;
import org.apache.struts.util.RequestUtils;
import org.apache.struts.util.ResponseUtils;


/**
 * Convenience base class for the various input tags for text fields.
 * Modification : add an prefix property
 *
 * @author Craig R. McClanahan
 * @author Cedric Dumoulin
 * @version $Revision: 1.1.1.1 $ $Date: 2004/09/08 06:38:27 $
 * @deprecated Use o.a.s.taglib.html.TextTag instead.
 */

public class TextTag extends BaseFieldTag {


    // ----------------------------------------------------- Instance Variables



    /**
     * The prefix to be added before the html name.
     */
    protected String prefix = null;

    /**
     * Release all allocated resources.
     */
    public void release() {

        super.release();
        prefix = null;
    }

    public String getPrefix() {
	return (this.prefix);
    }

    public void setPrefix(String prefix) {
	this.prefix = prefix;
    }

    // --------------------------------------------------------- Public Methods


    /**
     * Construct a new instance of this tag.
     */
    public TextTag() {

    	super();
	    this.type = "text";
    }

    /**
     * Generate the required input tag.
     *
     * @exception JspException if a JSP exception has occurred
     */
    public int doStartTag() throws JspException {

	// Create an appropriate "input" element based on our parameters
	StringBuffer results = new StringBuffer("<input type=\"");
	results.append(type);
	results.append("\" name=\"");
    // start modification
  if( prefix != null )
    results.append(prefix);
    // end modification
	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("\"");
	}
	results.append(" value=\"");
	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()));
	}
	results.append("\"");
	results.append(prepareEventHandlers());
	results.append(prepareStyles());
	results.append(">");

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

	// Continue processing this page
	return (EVAL_BODY_TAG);

    }


}