CheckboxTag.java |
/* * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution 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. * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that Software is not designed, licensed or intended * for use in the design, construction, operation or maintenance of * any nuclear facility. */ package com.sun.j2ee.blueprints.waf.view.taglibs.smart; import javax.servlet.jsp.JspTagException; import javax.servlet.jsp.tagext.BodyTagSupport; import javax.servlet.jsp.tagext.BodyContent; import java.io.IOException; import java.lang.StringBuffer; /** * HTML 'input' tag. Use with NameTag and ValueTag. */ public class CheckboxTag extends BodyTagSupport { private String value = null; private String name = null; private boolean checked = true; public void setName(String name) { this.name = name; } public void setValue(String value) { this.value = value; } public void setChecked(boolean checked) { this.checked = checked; } public int doStartTag() throws JspTagException { return EVAL_BODY_BUFFERED; } public int doEndTag() throws JspTagException { try { FormTag tag = (FormTag) findAncestorWithClass(this, FormTag.class); StringBuffer html = new StringBuffer(); html.append("<input type=\"checkbox\""); html.append(name != null ? (" name=\"" + name + "\"") : ""); html.append(value != null ? (" value=\"" + value + "\"") : ""); if (!checked) html.append(" checked"); html.append(">"); pageContext.getOut().print(html.toString()); return EVAL_PAGE; } catch (IOException e) { throw new JspTagException("CheckboxTag: " + e.getMessage()); } finally { // reset everything value = null; name = null; checked = true; } } }
CheckboxTag.java |