org.squashtest.tm.web.internal.exceptionresolver.ExceptionResolverUtils.java Source code

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Here is the source code for org.squashtest.tm.web.internal.exceptionresolver.ExceptionResolverUtils.java

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/**
 *     This file is part of the Squashtest platform.
 *     Copyright (C) 2010 - 2016 Henix, henix.fr
 *
 *     See the NOTICE file distributed with this work for additional
 *     information regarding copyright ownership.
 *
 *     This is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     this software is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 *
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with this software.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.squashtest.tm.web.internal.exceptionresolver;

import java.util.Enumeration;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang3.StringUtils;
import org.squashtest.tm.web.internal.http.RequestHeaders;

public final class ExceptionResolverUtils {
    private ExceptionResolverUtils() {

    }

    public static boolean clientAcceptsMIME(HttpServletRequest request, MimeType type) {
        Enumeration<String> e = request.getHeaders(RequestHeaders.ACCEPT);
        while (e.hasMoreElements()) {
            String header = e.nextElement();
            if (StringUtils.containsIgnoreCase(StringUtils.trimToEmpty(header), type.requestHeaderValue())) {
                return true;
            }
        }
        return false;
    }

    public static boolean clientAcceptsMIMEOrAnything(HttpServletRequest request, MimeType type) {
        Enumeration<String> e = request.getHeaders(RequestHeaders.ACCEPT);
        while (e.hasMoreElements()) {
            String header = e.nextElement();
            if (StringUtils.containsIgnoreCase(StringUtils.trimToEmpty(header), type.requestHeaderValue())
                    || StringUtils.containsIgnoreCase(StringUtils.trimToEmpty(header),
                            MimeType.ANYTHING.requestHeaderValue())) {
                return true;
            }
        }
        return false;
    }

}