baseinputtag.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/html/BaseInputTag.java,v 1.1.1.1 2004/09/08 06:38:15 lava Exp $
 * $Revision: 1.1.1.1 $
 * $Date: 2004/09/08 06:38:15 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2003 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
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 *
 * 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
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package com.esimple.framework.web.taglib.html;

import javax.servlet.jsp.JspException;
import org.apache.struts.util.MessageResources;

/**
 * Abstract base class for the various input tags.
 *
 * @author Craig R. McClanahan
 * @version $Revision: 1.1.1.1 $ $Date: 2004/09/08 06:38:15 $
 */
public abstract class BaseInputTag extends BaseHandlerTag {

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

    /**
     * The number of character columns for this field, or negative
     * for no limit.
     */
    protected String cols = null;

    /**
     * The maximum number of characters allowed, or negative for no limit.
     */
    protected String maxlength = null;

    /**
     * The message resources for this package.
     */
    protected static MessageResources messages =
        MessageResources.getMessageResources(Constants.Package + ".LocalStrings");

    /**
     * The name of the field (and associated property) being processed.
     */
    protected String property = null;

    /**
     * The number of rows for this field, or negative for no limit.
     */
    protected String rows = null;

    /**
     * The value for this field, or <code>null</code> to retrieve the
     * corresponding property from our associated bean.
     */
    protected String value = null;

    // ------------------------------------------------------------- Properties

    /**
     * Return the number of columns for this field.
     */
    public String getCols() {

        return (this.cols);

    }

    /**
     * Set the number of columns for this field.
     *
     * @param cols The new number of columns
     */
    public void setCols(String cols) {

        this.cols = cols;

    }

    /**
     * Return the maximum length allowed.
     */
    public String getMaxlength() {

        return (this.maxlength);

    }

    /**
     * Set the maximum length allowed.
     *
     * @param maxlength The new maximum length
     */
    public void setMaxlength(String maxlength) {

        this.maxlength = maxlength;

    }

    /**
     * Return the property name.
     */
    public String getProperty() {

        return (this.property);

    }

    /**
     * Set the property name.
     *
     * @param property The new property name
     */
    public void setProperty(String property) {

        this.property = property;

    }

    /**
     * Return the number of rows for this field.
     */
    public String getRows() {

        return (this.rows);

    }

    /**
     * Set the number of rows for this field.
     *
     * @param rows The new number of rows
     */
    public void setRows(String rows) {

        this.rows = rows;

    }

    /**
     * Return the size of this field (synonym for <code>getCols()</code>).
     */
    public String getSize() {

        return (getCols());

    }

    /**
     * Set the size of this field (synonym for <code>setCols()</code>).
     *
     * @param size The new size
     */
    public void setSize(String size) {

        setCols(size);

    }

    /**
     * Return the field value (if any).
     */
    public String getValue() {

        return (this.value);

    }

    /**
     * Set the field value (if any).
     *
     * @param value The new field value, or <code>null</code> to retrieve the
     *  corresponding property from the bean
     */
    public void setValue(String value) {

        this.value = value;

    }

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

    /**
     * Process the start of this tag.  The default implementation does nothing.
     *
     * @exception JspException if a JSP exception has occurred
     */
    public int doStartTag() throws JspException {

        return (EVAL_BODY_TAG);

    }

    /**
     * Process the end of this tag.  The default implementation does nothing.
     *
     * @exception JspException if a JSP exception has occurred
     */
    public int doEndTag() throws JspException {

        return (EVAL_PAGE);

    }

    /**
     * Release any acquired resources.
     */
    public void release() {

        super.release();
        cols = null;
        maxlength = null;
        property = null;
        rows = null;
        value = null;

    }

}