Struts example source code file (TextArea.java)

This example Struts source code file (TextArea.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

boolean, html, html, http, integer, render, request, response, servlet, string, string, strutstag, strutstagattribute, strutstagattribute, template, template, textarea, uibean

The Struts TextArea.java source code

/*
 * $Id: TextArea.java 651946 2008-04-27 13:41:38Z apetrelli $
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.struts2.components;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.views.annotations.StrutsTag;
import org.apache.struts2.views.annotations.StrutsTagAttribute;

import com.opensymphony.xwork2.util.ValueStack;

/**
 * <!-- START SNIPPET: javadoc -->
 * Render HTML textarea tag.</p>
 * <!-- END SNIPPET: javadoc -->
 *
 * <p/> Examples
 *
 * <pre>
 * <!-- START SNIPPET: example -->
 * <s:textarea label="Comments" name="comments" cols="30" rows="8"/>
 * <!-- END SNIPPET: example -->
 * </pre>
 *
 * @see TabbedPanel
 *
 */
@StrutsTag(
    name="textarea",
    tldTagClass="org.apache.struts2.views.jsp.ui.TextareaTag",
    description="Render HTML textarea tag.",
    allowDynamicAttributes=true)
public class TextArea extends UIBean {
    final public static String TEMPLATE = "textarea";

    protected String cols;
    protected String readonly;
    protected String rows;
    protected String wrap;

    public TextArea(ValueStack stack, HttpServletRequest request, HttpServletResponse response) {
        super(stack, request, response);
    }

    protected String getDefaultTemplate() {
        return TEMPLATE;
    }

    public void evaluateExtraParams() {
        super.evaluateExtraParams();

        if (readonly != null) {
            addParameter("readonly", findValue(readonly, Boolean.class));
        }

        if (cols != null) {
            addParameter("cols", findString(cols));
        }

        if (rows != null) {
            addParameter("rows", findString(rows));
        }

        if (wrap != null) {
            addParameter("wrap", findString(wrap));
        }
    }

    @StrutsTagAttribute(description="HTML cols attribute", type="Integer")
    public void setCols(String cols) {
        this.cols = cols;
    }

    @StrutsTagAttribute(description="Whether the textarea is readonly", type="Boolean", defaultValue="false")
    public void setReadonly(String readonly) {
        this.readonly = readonly;
    }

    @StrutsTagAttribute(description="HTML rows attribute", type="Integer")
    public void setRows(String rows) {
        this.rows = rows;
    }

    @StrutsTagAttribute(description="HTML wrap attribute")
    public void setWrap(String wrap) {
        this.wrap = wrap;
    }
}