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Spring Framework example source code file (AbstractHtmlElementTag.java)

This example Spring Framework source code file (AbstractHtmlElementTag.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 - Spring Framework tags/keywords

dir_attribute, http, jspexception, jspexception, lang_attribute, onkeydown_attribute, onkeypress_attribute, onkeyup_attribute, onmousemove_attribute, onmouseover_attribute, onmouseup_attribute, onmouseup_attribute, servlet, string, string, tabindex_attribute

The Spring Framework AbstractHtmlElementTag.java source code

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * Licensed 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.springframework.web.servlet.tags.form;

import javax.servlet.jsp.JspException;

import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;

/**
 * Base class for databinding-aware JSP tags that render HTML element. Provides
 * a set of properties corresponding to the set of HTML attributes that are common
 * across elements.
 * 
 * @author Rob Harrop
 * @since 2.0
 */
public abstract class AbstractHtmlElementTag extends AbstractDataBoundFormElementTag {

	public static final String CLASS_ATTRIBUTE = "class";

	public static final String STYLE_ATTRIBUTE = "style";

	public static final String LANG_ATTRIBUTE = "lang";

	public static final String TITLE_ATTRIBUTE = "title";

	public static final String DIR_ATTRIBUTE = "dir";

	public static final String TABINDEX_ATTRIBUTE = "tabindex";

	public static final String ONCLICK_ATTRIBUTE = "onclick";

	public static final String ONDBLCLICK_ATTRIBUTE = "ondblclick";

	public static final String ONMOUSEDOWN_ATTRIBUTE = "onmousedown";

	public static final String ONMOUSEUP_ATTRIBUTE = "onmouseup";

	public static final String ONMOUSEOVER_ATTRIBUTE = "onmouseover";

	public static final String ONMOUSEMOVE_ATTRIBUTE = "onmousemove";

	public static final String ONMOUSEOUT_ATTRIBUTE = "onmouseout";

	public static final String ONKEYPRESS_ATTRIBUTE = "onkeypress";

	public static final String ONKEYUP_ATTRIBUTE = "onkeyup";

	public static final String ONKEYDOWN_ATTRIBUTE = "onkeydown";


	private String cssClass;

	private String cssErrorClass;

	private String cssStyle;

	private String lang;

	private String title;

	private String dir;

	private String tabindex;

	private String onclick;

	private String ondblclick;

	private String onmousedown;

	private String onmouseup;

	private String onmouseover;

	private String onmousemove;

	private String onmouseout;

	private String onkeypress;

	private String onkeyup;

	private String onkeydown;


	/**
	 * Set the value of the '<code>class' attribute.
	 * May be a runtime expression.
	 */
	public void setCssClass(String cssClass) {
		this.cssClass = cssClass;
	}

	/**
	 * Get the value of the '<code>class' attribute.
	 * May be a runtime expression.
	 */
	protected String getCssClass() {
		return this.cssClass;
	}

	/**
	 * The CSS class to use when the field bound to a particular tag has errors.
	 * May be a runtime expression.
	 */
	public void setCssErrorClass(String cssErrorClass) {
		this.cssErrorClass = cssErrorClass;
	}

	/**
	 * The CSS class to use when the field bound to a particular tag has errors.
	 * May be a runtime expression.
	 */
	protected String getCssErrorClass() {
		return this.cssErrorClass;
	}

	/**
	 * Set the value of the '<code>style' attribute.
	 * May be a runtime expression.
	 */
	public void setCssStyle(String cssStyle) {
		this.cssStyle = cssStyle;
	}

	/**
	 * Get the value of the '<code>style' attribute.
	 * May be a runtime expression.
	 */
	protected String getCssStyle() {
		return this.cssStyle;
	}

	/**
	 * Set the value of the '<code>lang' attribute.
	 * May be a runtime expression.
	 */
	public void setLang(String lang) {
		this.lang = lang;
	}

	/**
	 * Get the value of the '<code>lang' attribute.
	 * May be a runtime expression.
	 */
	protected String getLang() {
		return this.lang;
	}

	/**
	 * Set the value of the '<code>title' attribute.
	 * May be a runtime expression.
	 */
	public void setTitle(String title) {
		this.title = title;
	}

	/**
	 * Get the value of the '<code>title' attribute.
	 * May be a runtime expression.
	 */
	protected String getTitle() {
		return this.title;
	}

	/**
	 * Set the value of the '<code>dir' attribute.
	 * May be a runtime expression.
	 */
	public void setDir(String dir) {
		this.dir = dir;
	}

	/**
	 * Get the value of the '<code>dir' attribute.
	 * May be a runtime expression.
	 */
	protected String getDir() {
		return this.dir;
	}

	/**
	 * Set the value of the '<code>tabindex' attribute.
	 * May be a runtime expression.
	 */
	public void setTabindex(String tabindex) {
		this.tabindex = tabindex;
	}

	/**
	 * Get the value of the '<code>tabindex' attribute.
	 * May be a runtime expression.
	 */
	protected String getTabindex() {
		return this.tabindex;
	}

	/**
	 * Set the value of the '<code>onclick' attribute.
	 * May be a runtime expression.
	 */
	public void setOnclick(String onclick) {
		this.onclick = onclick;
	}

	/**
	 * Get the value of the '<code>onclick' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnclick() {
		return this.onclick;
	}

	/**
	 * Set the value of the '<code>ondblclick' attribute.
	 * May be a runtime expression.
	 */
	public void setOndblclick(String ondblclick) {
		this.ondblclick = ondblclick;
	}

	/**
	 * Get the value of the '<code>ondblclick' attribute.
	 * May be a runtime expression.
	 */
	protected String getOndblclick() {
		return this.ondblclick;
	}

	/**
	 * Set the value of the '<code>onmousedown' attribute.
	 * May be a runtime expression.
	 */
	public void setOnmousedown(String onmousedown) {
		this.onmousedown = onmousedown;
	}

	/**
	 * Get the value of the '<code>onmousedown' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnmousedown() {
		return this.onmousedown;
	}

	/**
	 * Set the value of the '<code>onmouseup' attribute.
	 * May be a runtime expression.
	 */
	public void setOnmouseup(String onmouseup) {
		this.onmouseup = onmouseup;
	}

	/**
	 * Get the value of the '<code>onmouseup' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnmouseup() {
		return this.onmouseup;
	}

	/**
	 * Set the value of the '<code>onmouseover' attribute.
	 * May be a runtime expression.
	 */
	public void setOnmouseover(String onmouseover) {
		this.onmouseover = onmouseover;
	}

	/**
	 * Get the value of the '<code>onmouseover' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnmouseover() {
		return this.onmouseover;
	}

	/**
	 * Set the value of the '<code>onmousemove' attribute.
	 * May be a runtime expression.
	 */
	public void setOnmousemove(String onmousemove) {
		this.onmousemove = onmousemove;
	}

	/**
	 * Get the value of the '<code>onmousemove' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnmousemove() {
		return this.onmousemove;
	}

	/**
	 * Set the value of the '<code>onmouseout' attribute.
	 * May be a runtime expression.
	 */
	public void setOnmouseout(String onmouseout) {
		this.onmouseout = onmouseout;
	}
	/**
	 * Get the value of the '<code>onmouseout' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnmouseout() {
		return this.onmouseout;
	}

	/**
	 * Set the value of the '<code>onkeypress' attribute.
	 * May be a runtime expression.
	 */
	public void setOnkeypress(String onkeypress) {
		this.onkeypress = onkeypress;
	}

	/**
	 * Get the value of the '<code>onkeypress' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnkeypress() {
		return this.onkeypress;
	}

	/**
	 * Set the value of the '<code>onkeyup' attribute.
	 * May be a runtime expression.
	 */
	public void setOnkeyup(String onkeyup) {
		this.onkeyup = onkeyup;
	}

	/**
	 * Get the value of the '<code>onkeyup' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnkeyup() {
		return this.onkeyup;
	}

	/**
	 * Set the value of the '<code>onkeydown' attribute.
	 * May be a runtime expression.
	 */
	public void setOnkeydown(String onkeydown) {
		this.onkeydown = onkeydown;
	}

	/**
	 * Get the value of the '<code>onkeydown' attribute.
	 * May be a runtime expression.
	 */
	protected String getOnkeydown() {
		return this.onkeydown;
	}


	/**
	 * Writes the default attributes configured via this base class to the supplied {@link TagWriter}.
	 * Subclasses should call this when they want the base attribute set to be written to the output.
	 */
	protected void writeDefaultAttributes(TagWriter tagWriter) throws JspException {
		super.writeDefaultAttributes(tagWriter);
		writeOptionalAttributes(tagWriter);
	}

	/**
	 * Writes the optional attributes configured via this base class to the supplied {@link TagWriter}.
	 * Called by {@link #writeDefaultAttributes(TagWriter)}.
	 */
	protected void writeOptionalAttributes(TagWriter tagWriter) throws JspException {
		tagWriter.writeOptionalAttributeValue(CLASS_ATTRIBUTE, resolveCssClass());
		tagWriter.writeOptionalAttributeValue(STYLE_ATTRIBUTE,
				ObjectUtils.getDisplayString(evaluate("cssStyle", getCssStyle())));
		writeOptionalAttribute(tagWriter, LANG_ATTRIBUTE, getLang());
		writeOptionalAttribute(tagWriter, TITLE_ATTRIBUTE, getTitle());
		writeOptionalAttribute(tagWriter, DIR_ATTRIBUTE, getDir());
		writeOptionalAttribute(tagWriter, TABINDEX_ATTRIBUTE, getTabindex());
		writeOptionalAttribute(tagWriter, ONCLICK_ATTRIBUTE, getOnclick());
		writeOptionalAttribute(tagWriter, ONDBLCLICK_ATTRIBUTE, getOndblclick());
		writeOptionalAttribute(tagWriter, ONMOUSEDOWN_ATTRIBUTE, getOnmousedown());
		writeOptionalAttribute(tagWriter, ONMOUSEUP_ATTRIBUTE, getOnmouseup());
		writeOptionalAttribute(tagWriter, ONMOUSEOVER_ATTRIBUTE, getOnmouseover());
		writeOptionalAttribute(tagWriter, ONMOUSEMOVE_ATTRIBUTE, getOnmousemove());
		writeOptionalAttribute(tagWriter, ONMOUSEOUT_ATTRIBUTE, getOnmouseout());
		writeOptionalAttribute(tagWriter, ONKEYPRESS_ATTRIBUTE, getOnkeypress());
		writeOptionalAttribute(tagWriter, ONKEYUP_ATTRIBUTE, getOnkeyup());
		writeOptionalAttribute(tagWriter, ONKEYDOWN_ATTRIBUTE, getOnkeydown());
	}

	/**
	 * Gets the appropriate CSS class to use based on the state of the current
	 * {@link org.springframework.web.servlet.support.BindStatus} object.
	 */
	protected String resolveCssClass() throws JspException {
		if (getBindStatus().isError() && StringUtils.hasText(getCssErrorClass())) {
			return ObjectUtils.getDisplayString(evaluate("cssErrorClass", getCssErrorClass()));
		}
		else {
			return ObjectUtils.getDisplayString(evaluate("cssClass", getCssClass()));
		}
	}

}

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