/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.jclouds.savvis.vpdc.functions;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.jclouds.http.HttpUtils.releasePayload;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.inject.Inject;
import javax.inject.Provider;
import javax.inject.Singleton;
import javax.ws.rs.core.HttpHeaders;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.HttpResponseException;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.http.functions.ParseSax.Factory;
import org.jclouds.savvis.vpdc.domain.Resource;
import org.jclouds.savvis.vpdc.domain.internal.VCloudSession;
import org.jclouds.savvis.vpdc.internal.VCloudToken;
import org.jclouds.savvis.vpdc.xml.OrgListHandler;
import com.google.common.base.Function;
/**
* This parses {@link VCloudSession} from HTTP headers.
*
* @author Adrian Cole
*/
@Singleton
public class ParseLoginResponseFromHeaders implements Function<HttpResponse, VCloudSession> {
static final Pattern pattern = Pattern.compile("vcloud-token=([^;]+);.*");
private final ParseSax.Factory factory;
private final Provider<OrgListHandler> orgHandlerProvider;
@Inject
private ParseLoginResponseFromHeaders(Factory factory,
Provider<OrgListHandler> orgHandlerProvider) {
this.factory = factory;
this.orgHandlerProvider = orgHandlerProvider;
}
/**
* parses the http response headers to create a new {@link VCloudSession} object.
*/
public VCloudSession apply(HttpResponse from) {
String cookieHeader = checkNotNull(from.getFirstHeaderOrNull(HttpHeaders.SET_COOKIE),
HttpHeaders.SET_COOKIE);
final Matcher matcher = pattern.matcher(cookieHeader);
boolean matchFound = matcher.find();
try {
if (matchFound) {
final Set<Resource> org = factory.create(orgHandlerProvider.get()).parse(
from.getPayload().getInput());
return new VCloudSession() {
@VCloudToken
public String getVCloudToken() {
return matcher.group(1);
}
public Set<Resource> getOrgs() {
return org;
}
};
}
} finally {
releasePayload(from);
}
throw new HttpResponseException("not found ", null, from);
}
}