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/*
Copyright (c) 2015 Red Hat, Inc.
Licensed 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.ovirt.engine.sdk4.internal.services;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.util.EntityUtils;
import org.ovirt.api.metamodel.runtime.xml.XmlReader;
import org.ovirt.api.metamodel.runtime.xml.XmlWriter;
import org.ovirt.engine.sdk4.Error;
import org.ovirt.engine.sdk4.Service;
import org.ovirt.engine.sdk4.builders.ActionBuilder;
import org.ovirt.engine.sdk4.internal.HttpConnection;
import org.ovirt.engine.sdk4.internal.xml.XmlActionWriter;
import org.ovirt.engine.sdk4.services.MoveableService;
import org.ovirt.engine.sdk4.types.Action;

public class MoveableServiceImpl extends ServiceImpl implements MoveableService {
    
    public MoveableServiceImpl(HttpConnection connection, String path) {
        super(connection, path);
    }
    
    private class MoveRequestImpl implements MoveRequest {
        private Boolean async;
        public MoveRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public MoveResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/move");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                ActionBuilder action = new ActionBuilder();
                action.async(async);
                XmlActionWriter.writeOne(action.build(), xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to write request", ex);
            }
            
            HttpResponse response = getConnection().send(request);
            if (response.getStatusLine().getStatusCode() == 200) {
                Action action = checkAction(response);
                EntityUtils.consumeQuietly(response.getEntity());
                return new MoveResponseImpl();
            }
            else {
                checkFault(response);
                return null;
            }
        }
        
    }
    
    private class MoveResponseImpl implements MoveResponse {
    }
    
    public MoveRequest move() {
        return new MoveRequestImpl();
    }
    
    public Service service(String path) {
        if (path == null) {
            return this;
        }
        
        throw new Error("The path " + path + " doesn't correspond to any service");
    }
    
    public String toString() {
        return "MoveableService:" + getPath();
    }
    
}