org.ovirt.engine.sdk4.internal.services.ClusterEnabledFeaturesServiceImpl 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.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
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.BaseRequest;
import org.ovirt.engine.sdk4.Error;
import org.ovirt.engine.sdk4.Service;
import org.ovirt.engine.sdk4.builders.ClusterFeatureBuilder;
import org.ovirt.engine.sdk4.internal.HttpConnection;
import org.ovirt.engine.sdk4.internal.xml.XmlClusterFeatureReader;
import org.ovirt.engine.sdk4.internal.xml.XmlClusterFeatureWriter;
import org.ovirt.engine.sdk4.services.ClusterEnabledFeatureService;
import org.ovirt.engine.sdk4.services.ClusterEnabledFeaturesService;
import org.ovirt.engine.sdk4.types.ClusterFeature;

public class ClusterEnabledFeaturesServiceImpl extends ServiceImpl implements ClusterEnabledFeaturesService {
    
    public ClusterEnabledFeaturesServiceImpl(HttpConnection connection, String path) {
        super(connection, path);
    }
    
    private class AddRequestImpl extends BaseRequest implements AddRequest {
        private ClusterFeature feature;
        public AddRequest feature(ClusterFeature feature) {
            this.feature = feature;
            return this;
        }
        
        public AddRequest feature(ClusterFeatureBuilder feature) {
            this.feature = feature.build();
            return this;
        }
        
        public AddResponse send() {
            HttpPost request = null;
            try {
                URIBuilder uriBuilder = new URIBuilder(getConnection().getUrl() + getPath());
                if (query != null) {
                    for (Map.Entry queryParam : query.entrySet()) {
                        uriBuilder.addParameter(queryParam.getKey(), queryParam.getValue());
                    }
                }
                request = new HttpPost(uriBuilder.build());
            }
            catch (URISyntaxException ex) {
                throw new Error("Failed to build URL", ex);
            }
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                XmlClusterFeatureWriter.writeOne(feature, xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to parse response", ex);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            if (
              response.getStatusLine().getStatusCode() == 200
              || response.getStatusLine().getStatusCode() == 201
              || response.getStatusLine().getStatusCode() == 202
            ) {
                try (
                  XmlReader reader = new XmlReader(response.getEntity().getContent())
                ) {
                    AddResponseImpl actionResponse = new AddResponseImpl();
                    actionResponse.feature(XmlClusterFeatureReader.readOne(reader));
                    return actionResponse;
                }
                catch (IOException ex) {
                    throw new Error("Failed to read response", ex);
                }
                finally {
                    EntityUtils.consumeQuietly(response.getEntity());
                }
            }
            else {
                checkFault(response);
                return new AddResponseImpl();
            }
        }
        
    }
    
    private class AddResponseImpl implements AddResponse {
        private ClusterFeature feature;
        
        public void feature(ClusterFeature feature) {
            this.feature = feature;
        }
        
        public ClusterFeature feature() {
            return feature;
        }
        
    }
    
    public AddRequest add() {
        return new AddRequestImpl();
    }
    
    private class ListRequestImpl extends BaseRequest implements ListRequest {
        private String follow;
        public ListRequest follow(String follow) {
            this.follow = follow;
            return this;
        }
        
        public ListResponse send() {
            HttpGet request = null;
            try {
                URIBuilder uriBuilder = new URIBuilder(getConnection().getUrl() + getPath());
                if (follow != null) {
                    uriBuilder.addParameter("follow", XmlWriter.renderString(follow));
                }
                if (query != null) {
                    for (Map.Entry queryParam : query.entrySet()) {
                        uriBuilder.addParameter(queryParam.getKey(), queryParam.getValue());
                    }
                }
                request = new HttpGet(uriBuilder.build());
            }
            catch (URISyntaxException ex) {
                throw new Error("Failed to build URL", ex);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            if (
              response.getStatusLine().getStatusCode() == 200
            ) {
                try (
                  XmlReader reader = new XmlReader(response.getEntity().getContent())
                ) {
                    ListResponseImpl actionResponse = new ListResponseImpl();
                    actionResponse.features(XmlClusterFeatureReader.readMany(reader));
                    return actionResponse;
                }
                catch (IOException ex) {
                    throw new Error("Failed to read response", ex);
                }
                finally {
                    EntityUtils.consumeQuietly(response.getEntity());
                }
            }
            else {
                checkFault(response);
                return new ListResponseImpl();
            }
        }
        
    }
    
    private class ListResponseImpl implements ListResponse {
        private List features;
        
        public void features(List features) {
            this.features = features;
        }
        
        public List features() {
            return features;
        }
        
    }
    
    public ListRequest list() {
        return new ListRequestImpl();
    }
    
    public ClusterEnabledFeatureService featureService(String id) {
        return new ClusterEnabledFeatureServiceImpl(getConnection(), getPath() + "/" + id);
    }
    
    public Service service(String path) {
        if (path == null) {
            return this;
        }
        
        int index = path.indexOf('/');
        if (index == -1) {
            return featureService(path);
        }
        return featureService(path.substring(0, index)).service(path.substring(index + 1));
    }
    
    public String toString() {
        return "ClusterEnabledFeaturesService:" + getPath();
    }
    
}