org.openprovenance.prov.service.core.rest.ApiOriginFilter Maven / Gradle / Ivy

/**
 *  Copyright 2012 Wordnik, Inc.
 *
 *  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.openprovenance.prov.service.core.rest;

import java.io.IOException;

import jakarta.servlet.*;
import jakarta.servlet.http.HttpServletResponse;

public class ApiOriginFilter implements jakarta.servlet.Filter {
	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		HttpServletResponse res = (HttpServletResponse) response;
		res.addHeader("Access-Control-Allow-Origin", "*");
		res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");
		res.addHeader("Access-Control-Allow-Headers", "Content-Type");
		chain.doFilter(request, response);
	}

	@Override
	public void destroy() {
	}

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