/*
* 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.abiquo.binders;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.http.HttpRequest;
import org.jclouds.rest.binders.BindToXMLPayload;
import org.jclouds.rest.internal.GeneratedHttpRequest;
import org.jclouds.xml.XMLParser;
import com.abiquo.model.transport.SingleResourceTransportDto;
/**
* Binds the given object to the payload and extracts the path parameters from
* the edit link.
* <p>
* This method should be used in {@link PUT} methods to automatically extract
* the path parameters from the edit link of the updated object.
*
* @author Ignasi Barrera
*/
@Singleton
public class BindToXMLPayloadAndPath extends BindToXMLPayload {
@Inject
public BindToXMLPayloadAndPath(final XMLParser xmlParser) {
super(xmlParser);
}
@Override
public <R extends HttpRequest> R bindToRequest(final R request, final Object payload) {
checkArgument(checkNotNull(request, "request") instanceof GeneratedHttpRequest,
"this binder is only valid for GeneratedHttpRequests");
GeneratedHttpRequest gRequest = (GeneratedHttpRequest) request;
checkState(gRequest.getInvocation().getArgs() != null, "args should be initialized at this point");
// Update the request URI with the configured link URI
String newEndpoint = getNewEndpoint(gRequest, payload);
R updatedRequest = BindToPath.bindToPath(request, newEndpoint);
// Add the payload
return super.bindToRequest(updatedRequest, payload);
}
/**
* Get the new endpoint to use.
*
* @param gRequest
* The request.
* @param input
* The input parameter.
* @return The new endpoint to use.
*/
protected String getNewEndpoint(final GeneratedHttpRequest gRequest, final Object input) {
SingleResourceTransportDto dto = BindToPath.checkValidInput(input);
return BindToPath.getLinkToUse(gRequest, dto).getHref();
}
}