highcharts java_Highcharts:非常漂亮的图表 带各类示例~

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* Copyright 2004 The Apache Software Foundation

*

* 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 com.highcharts.export.filters;

import java.io.IOException;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

//import org.apache.log4j.Logger;

public class DefaultEncodingFilter implements Filter {

protected String encoding = null;

protected boolean ignore = true;

//private Logger logger= Logger.getLogger(this.getClass().getName());

@Override

public void destroy() {

this.encoding = null;

}

@Override

public void doFilter(ServletRequest request, ServletResponse response,

FilterChain chain) throws IOException, ServletException {

// Conditionally select and set the character encoding to be used

if (ignore || (request.getCharacterEncoding() == null)) {

String encoding = selectEncoding(request);

if (encoding != null){

request.setCharacterEncoding(encoding);

}

}

// Pass control on to the next filter

chain.doFilter(request, response);

}

@Override

public void init(FilterConfig config) throws ServletException {

this.encoding = config.getInitParameter("encoding");

String value = config.getInitParameter("ignore");

if (value == null)

this.ignore = true;

else if (value.equalsIgnoreCase("true"))

this.ignore = true;

else if (value.equalsIgnoreCase("yes"))

this.ignore = true;

else

this.ignore = false;

}

protected String selectEncoding(ServletRequest request) {

return (this.encoding);

}

}