/*
* 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.internna.iwebmvc.tags;
import javax.servlet.jsp.JspContext;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.SimpleTagSupport;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.internna.iwebmvc.crypto.Cipherer;
/**
* Ciphers some text.
*
* @author Jose Noheda
* @since 2.0
*/
public class Encrypt extends SimpleTagSupport {
protected Log logger = LogFactory.getLog(getClass());
private String code;
/**
* String to be cipherered.
*
* @param code a not empty String
*/
public void setCode(String code) {
this.code = code;
}
/**
* Ciphers the provided code attribute
*/
@Override
public void doTag() throws JspException {
try {
JspContext context = getJspContext();
JspWriter out = context.getOut();
Cipherer cipher = (Cipherer) context.getAttribute(Cipherer.CIPHERER, 2);
String encoded = cipher.encrypt(code);
if (logger.isDebugEnabled()) logger.debug("Ciphered [" + code + "] to [" + encoded + "] in view");
out.print(encoded);
} catch (java.io.IOException ex) {
throw new JspException(ex.getMessage());
}
}
}