cn.vlabs.umt.ui.tags.SsoParamsTag.java Source code

Introduction

Here is the source code for cn.vlabs.umt.ui.tags.SsoParamsTag.java

Source

/*
 * Copyright (c) 2008-2013 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 *
 * 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 cn.vlabs.umt.ui.tags;

import java.io.IOException;

import javax.servlet.ServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.TagSupport;

import org.apache.commons.lang.StringUtils;

import cn.vlabs.umt.ui.Attributes;

public class SsoParamsTag extends TagSupport {

    public int doEndTag() throws JspException {
        ServletRequest request = pageContext.getRequest();
        JspWriter writer = pageContext.getOut();
        for (String param : Attributes.SSO_PARAMS) {
            String value = request.getParameter(param);
            if (StringUtils.isNotBlank(value)) {
                try {
                    writer.println(String.format("<input type=\"hidden\" name=\"%s\" value=\"%s\">", param, value));
                } catch (IOException e) {
                    throw new JspException(e);
                }
            }
        }
        return EVAL_PAGE;
    }

    private static final long serialVersionUID = 1L;
}