/**
* 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.apache.camel.component.gae.auth;
import com.google.gdata.client.authn.oauth.GoogleOAuthParameters;
import org.apache.camel.Exchange;
import org.apache.camel.component.gae.bind.OutboundBinding;
import org.apache.camel.impl.DefaultProducer;
import static org.apache.camel.component.gae.auth.GAuthEndpoint.Name.AUTHORIZE;
public class GAuthProducer extends DefaultProducer {
public GAuthProducer(GAuthEndpoint endpoint) {
super(endpoint);
}
@Override
public GAuthEndpoint getEndpoint() {
return (GAuthEndpoint)super.getEndpoint();
}
public OutboundBinding<GAuthEndpoint, GoogleOAuthParameters, GoogleOAuthParameters> getAuthorizeBinding() {
return getEndpoint().getAuthorizeBinding();
}
public OutboundBinding<GAuthEndpoint, GoogleOAuthParameters, GoogleOAuthParameters> getUpgradeBinding() {
return getEndpoint().getUpgradeBinding();
}
/**
* Depending on the {@link GAuthEndpoint.Name}, this method either fetches
* an unauthorized request token and creates a redirect response, or
* upgrades an authorized request token to an access token.
*
* @param exchange
*
* @see GAuthAuthorizeBinding
* @see GAuthUpgradeBinding
* @see GAuthServiceImpl
*/
public void process(Exchange exchange) throws Exception {
if (getEndpoint().getName() == AUTHORIZE) {
GoogleOAuthParameters params = getAuthorizeBinding().writeRequest(getEndpoint(), exchange, null);
getEndpoint().getService().getUnauthorizedRequestToken(params);
getAuthorizeBinding().readResponse(getEndpoint(), exchange, params);
} else {
GoogleOAuthParameters params = getUpgradeBinding().writeRequest(getEndpoint(), exchange, null);
getEndpoint().getService().getAccessToken(params);
getUpgradeBinding().readResponse(getEndpoint(), exchange, params);
}
}
}