/*
 *  Licensed to GraphHopper GmbH under one or more contributor
 *  license agreements. See the NOTICE file distributed with this work for 
 *  additional information regarding copyright ownership.
 * 
 *  GraphHopper GmbH licenses this file to you 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.graphhopper.http;

import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;

/**
 * @author Peter Karich
 */
public class CORSFilter implements Filter
{
    @Override
    public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain ) throws IOException, ServletException
    {
        if (!"jsonp".equals(request.getParameter("type")))
        {
            HttpServletResponse rsp = (HttpServletResponse) response;
            rsp.setHeader("Access-Control-Allow-Origin", "*");
        }

        chain.doFilter(request, response);
    }

    @Override
    public void init( FilterConfig filterConfig ) throws ServletException
    {
    }

    @Override
    public void destroy()
    {
    }
}

/*
 *  Licensed to GraphHopper GmbH under one or more contributor
 *  license agreements. See the NOTICE file distributed with this work for 
 *  additional information regarding copyright ownership.
 * 
 *  GraphHopper GmbH licenses this file to you 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.graphhopper.http;

import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;

/**
 * @author Peter Karich
 */
public class CORSFilter implements Filter
{
    @Override
    public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain ) throws IOException, ServletException
    {
        if (!"jsonp".equals(request.getParameter("type")))
        {
            HttpServletResponse rsp = (HttpServletResponse) response;
            rsp.setHeader("Access-Control-Allow-Methods", "GET, POST, HEAD, OPTIONS");
            rsp.setHeader("Access-Control-Allow-Headers", "Origin,Accept,X-Requested-With,"
                    + "Content-Type,Access-Control-Request-Method,Access-Control-Request-Headers");
            rsp.setHeader("Access-Control-Allow-Origin", "*");
        }

        chain.doFilter(request, response);
    }

    @Override
    public void init( FilterConfig filterConfig ) throws ServletException
    {
    }

    @Override
    public void destroy()
    {
    }
}

allow POST method too e.g. for map matching