org.jclouds.savvis.vpdc.binders.BindVMSpecsToXmlPayload.java Source code

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Here is the source code for org.jclouds.savvis.vpdc.binders.BindVMSpecsToXmlPayload.java

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/*
 * 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.binders;

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

import javax.inject.Singleton;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;

import org.jclouds.rest.internal.GeneratedHttpRequest;
import org.jclouds.savvis.vpdc.domain.VMSpec;

import com.google.common.collect.Iterables;
import com.jamesmurty.utils.XMLBuilder;

/**
 * 
 * @author Adrian Cole
 * 
 */
@Singleton
public class BindVMSpecsToXmlPayload extends BaseBindVMSpecToXmlPayload<Iterable<VMSpec>> {

    @SuppressWarnings("unchecked")
    protected Iterable<VMSpec> findSpecInArgsOrNull(GeneratedHttpRequest gRequest) {
        for (Object arg : gRequest.getInvocation().getArgs()) {
            if (arg instanceof Iterable<?>) {
                Iterable<VMSpec> specs = (Iterable<VMSpec>) arg;
                checkArgument(Iterables.size(specs) > 0,
                        "At least one VMSpec must be included in the argument list");
                return specs;
            }
        }
        throw new IllegalArgumentException("Iterable<VMSpec> must be included in the argument list");
    }

    @Override
    protected void bindSpec(Iterable<VMSpec> specs, XMLBuilder rootBuilder)
            throws ParserConfigurationException, FactoryConfigurationError {
        rootBuilder.a("name", "");
        XMLBuilder specBuilder = buildChildren(rootBuilder);
        for (VMSpec spec : specs) {
            checkSpec(spec);
            XMLBuilder vAppBuilder = buildRootForName(specBuilder, spec.getName());
            addOperatingSystemAndVirtualHardware(spec, vAppBuilder);
        }
    }
}