org.ovirt.engine.sdk4.internal.services.ExternalHostsServiceImpl Maven / Gradle / Ivy

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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.IOException;
import java.math.BigInteger;
import java.net.URISyntaxException;
import java.util.List;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
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.internal.HttpConnection;
import org.ovirt.engine.sdk4.internal.xml.XmlExternalHostReader;
import org.ovirt.engine.sdk4.services.ExternalHostService;
import org.ovirt.engine.sdk4.services.ExternalHostsService;
import org.ovirt.engine.sdk4.types.ExternalHost;

public class ExternalHostsServiceImpl extends ServiceImpl implements ExternalHostsService {
    
    public ExternalHostsServiceImpl(HttpConnection connection, String path) {
        super(connection, path);
    }
    
    private class ListRequestImpl implements ListRequest {
        private BigInteger max;
        public ListRequest max(BigInteger max) {
            this.max = max;
            return this;
        }
        
        public ListRequest max(Integer max) {
            this.max = BigInteger.valueOf(max);
            return this;
        }
        
        public ListRequest max(Long max) {
            this.max = BigInteger.valueOf(max);
            return this;
        }
        
        public ListResponse send() {
            HttpGet request = null;
            try {
                URIBuilder uriBuilder = new URIBuilder(getConnection().getUrl() + getPath());
                if (max != null) {
                    uriBuilder.addParameter("max", XmlWriter.renderInteger(max));
                }
                request = new HttpGet(uriBuilder.build());
            }
            catch (URISyntaxException ex) {
                throw new Error("Failed to build URL", ex);
            }
            
            HttpResponse response = getConnection().send(request);
            if (
              response.getStatusLine().getStatusCode() == 200
            ) {
                try (
                  XmlReader reader = new XmlReader(response.getEntity().getContent())
                ) {
                    return new ListResponseImpl(XmlExternalHostReader.readMany(reader));
                }
                catch (IOException ex) {
                    throw new Error("Failed to read response", ex);
                }
                finally {
                    EntityUtils.consumeQuietly(response.getEntity());
                }
            }
            else {
                checkFault(response);
                return new ListResponseImpl(null);
            }
        }
        
    }
    
    private class ListResponseImpl implements ListResponse {
        private List hosts;
        
        public ListResponseImpl(List hosts) {
            this.hosts = hosts;
        }
        
        public List hosts() {
            return hosts;
        }
        
    }
    
    public ListRequest list() {
        return new ListRequestImpl();
    }
    
    public ExternalHostService hostService(String id) {
        return new ExternalHostServiceImpl(getConnection(), getPath() + "/" + id);
    }
    
    public Service service(String path) {
        if (path == null) {
            return this;
        }
        
        int index = path.indexOf('/');
        if (index == -1) {
            return hostService(path);
        }
        return hostService(path.substring(0, index)).service(path.substring(index + 1));
    }
    
    public String toString() {
        return "ExternalHostsService:" + getPath();
    }
    
}