org.springframework.web.servlet.tags.form.PasswordInputTag Maven / Gradle / Ivy
/*
* Copyright 2002-2014 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;
/**
* Databinding-aware JSP tag for rendering an HTML '{@code input}'
* element with a '{@code type}' of '{@code password}'.
*
* @author Rob Harrop
* @author Rick Evans
* @author Rossen Stoyanchev
* @since 2.0
*/
@SuppressWarnings("serial")
public class PasswordInputTag extends InputTag {
private boolean showPassword = false;
/**
* Is the password value to be rendered?
* @param showPassword {@code true} if the password value is to be rendered
*/
public void setShowPassword(boolean showPassword) {
this.showPassword = showPassword;
}
/**
* Is the password value to be rendered?
* @return {@code true} if the password value to be rendered
*/
public boolean isShowPassword() {
return this.showPassword;
}
/**
* Flags "type" as an illegal dynamic attribute.
*/
@Override
protected boolean isValidDynamicAttribute(String localName, Object value) {
return !"type".equals(localName);
}
/**
* Return '{@code password}' causing the rendered HTML '{@code input}'
* element to have a '{@code type}' of '{@code password}'.
*/
@Override
protected String getType() {
return "password";
}
/**
* The {@link PasswordInputTag} only writes it's value if the
* {@link #setShowPassword(boolean) 'showPassword'} property value is
* {@link Boolean#TRUE true}.
*/
@Override
protected void writeValue(TagWriter tagWriter) throws JspException {
if (this.showPassword) {
super.writeValue(tagWriter);
}
else {
tagWriter.writeAttribute("value", processFieldValue(getName(), "", getType()));
}
}
}