/*
* Copyright (c) 2010 Red Hat, 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.ovirt.engine.api.common.util;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import javax.ws.rs.core.HttpHeaders;
public class DetailHelper {
private static final String ACCEPT = "Accept";
private static final String DETAIL = "detail";
private static final String PARAM_SEPARATOR = ";";
private static final String VALUE_SEPARATOR = "=";
private static final String DETAIL_SEPARATOR = "\\+";
public static boolean include(HttpHeaders httpheaders, String relation) {
List<String> accepts = httpheaders.getRequestHeader(ACCEPT);
if (!(accepts == null || accepts.isEmpty())) {
String[] parameters = accepts.get(0).split(PARAM_SEPARATOR);
for (String parameter : parameters) {
String[] includes = parameter.split(VALUE_SEPARATOR);
if (includes.length > 1 && DETAIL.equalsIgnoreCase(includes[0].trim())) {
for (String rel : includes[1].trim().split(DETAIL_SEPARATOR)) {
if (relation.equalsIgnoreCase(rel.trim())) {
return true;
}
}
}
}
}
return false;
}
public enum Detail {
DISKS,
NICS,
STATISTICS,
TAGS
}
public static Set<Detail> getDetails(HttpHeaders httpHeaders) {
Set<Detail> details = EnumSet.noneOf(Detail.class);
for (Detail detail : Detail.class.getEnumConstants()) {
if (include(httpHeaders, detail.name().toLowerCase())) {
details.add(detail);
}
}
return details;
}
}