org.jclouds.openstack.nova.v1_1.binders.BindSecurityGroupRuleToJsonPayload.java Source code

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Here is the source code for org.jclouds.openstack.nova.v1_1.binders.BindSecurityGroupRuleToJsonPayload.java

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/**
 * Licensed to jclouds, Inc. (jclouds) under one or more
 * contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  jclouds 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.openstack.nova.v1_1.binders;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;

import java.util.Map;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.jclouds.http.HttpRequest;
import org.jclouds.json.Json;
import org.jclouds.openstack.nova.v1_1.domain.Ingress;
import org.jclouds.rest.MapBinder;
import org.jclouds.rest.binders.BindToJsonPayload;
import org.jclouds.rest.internal.GeneratedHttpRequest;

import com.google.common.base.Predicates;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.google.common.collect.ImmutableMap.Builder;

/**
 * 
 * @author Adrian Cole
 * 
 */
@Singleton
public class BindSecurityGroupRuleToJsonPayload extends BindToJsonPayload implements MapBinder {
    @Inject
    public BindSecurityGroupRuleToJsonPayload(Json jsonBinder) {
        super(jsonBinder);
    }

    @Override
    public <R extends HttpRequest> R bindToRequest(R request, Object toBind) {
        throw new IllegalStateException("BindCredentialsToJsonPayload needs parameters");
    }

    @Override
    public <R extends HttpRequest> R bindToRequest(R request, Map<String, String> postParams) {
        Builder<String, String> payload = ImmutableMap.builder();
        payload.putAll(postParams);
        checkArgument(checkNotNull(request, "request") instanceof GeneratedHttpRequest<?>,
                "this binder is only valid for GeneratedHttpRequests!");
        GeneratedHttpRequest<?> gRequest = (GeneratedHttpRequest<?>) request;

        Ingress ingress = Ingress.class
                .cast(Iterables.find(gRequest.getArgs(), Predicates.instanceOf(Ingress.class)));
        payload.put("ip_protocol", ingress.getIpProtocol().toString());
        payload.put("from_port", ingress.getFromPort() + "");
        payload.put("to_port", ingress.getToPort() + "");

        return super.bindToRequest(request, ImmutableMap.of("security_group_rule", payload.build()));
    }
}