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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.Map;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpDelete;
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.ActionBuilder;
import org.ovirt.engine.sdk4.builders.OptionBuilder;
import org.ovirt.engine.sdk4.internal.HttpConnection;
import org.ovirt.engine.sdk4.internal.xml.XmlActionWriter;
import org.ovirt.engine.sdk4.internal.xml.XmlGlusterVolumeReader;
import org.ovirt.engine.sdk4.services.GlusterBricksService;
import org.ovirt.engine.sdk4.services.GlusterVolumeService;
import org.ovirt.engine.sdk4.services.StatisticsService;
import org.ovirt.engine.sdk4.types.Action;
import org.ovirt.engine.sdk4.types.GlusterVolume;
import org.ovirt.engine.sdk4.types.GlusterVolumeProfileDetails;
import org.ovirt.engine.sdk4.types.Option;

public class GlusterVolumeServiceImpl extends MeasurableServiceImpl implements GlusterVolumeService {
    
    public GlusterVolumeServiceImpl(HttpConnection connection, String path) {
        super(connection, path);
    }
    
    private class GetRequestImpl extends BaseRequest implements GetRequest {
        private String follow;
        public GetRequest follow(String follow) {
            this.follow = follow;
            return this;
        }
        
        public GetResponse 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())
                ) {
                    GetResponseImpl actionResponse = new GetResponseImpl();
                    actionResponse.volume(XmlGlusterVolumeReader.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 GetResponseImpl();
            }
        }
        
    }
    
    private class GetResponseImpl implements GetResponse {
        private GlusterVolume volume;
        
        public void volume(GlusterVolume volume) {
            this.volume = volume;
        }
        
        public GlusterVolume volume() {
            return volume;
        }
        
    }
    
    public GetRequest get() {
        return new GetRequestImpl();
    }
    
    private class GetProfileStatisticsRequestImpl extends BaseRequest implements GetProfileStatisticsRequest {
        public GetProfileStatisticsResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/getprofilestatistics");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                ActionBuilder action = new ActionBuilder();
                XmlActionWriter.writeOne(action.build(), xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to write request", ex);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            GetProfileStatisticsResponseImpl actionResponse = new GetProfileStatisticsResponseImpl();
            actionResponse.details(action.details());
            return actionResponse;
        }
        
    }
    
    private class GetProfileStatisticsResponseImpl implements GetProfileStatisticsResponse {
        private GlusterVolumeProfileDetails details;
        
        public void details(GlusterVolumeProfileDetails details) {
            this.details = details;
        }
        
        public GlusterVolumeProfileDetails details() {
            return details;
        }
        
    }
    
    public GetProfileStatisticsRequest getProfileStatistics() {
        return new GetProfileStatisticsRequestImpl();
    }
    
    private class RebalanceRequestImpl extends BaseRequest implements RebalanceRequest {
        private Boolean async;
        public RebalanceRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private Boolean fixLayout;
        public RebalanceRequest fixLayout(Boolean fixLayout) {
            this.fixLayout = fixLayout;
            return this;
        }
        
        private Boolean force;
        public RebalanceRequest force(Boolean force) {
            this.force = force;
            return this;
        }
        
        public RebalanceResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/rebalance");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                ActionBuilder action = new ActionBuilder();
                action.async(async);
                action.fixLayout(fixLayout);
                action.force(force);
                XmlActionWriter.writeOne(action.build(), xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to write request", ex);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new RebalanceResponseImpl();
        }
        
    }
    
    private class RebalanceResponseImpl implements RebalanceResponse {
    }
    
    public RebalanceRequest rebalance() {
        return new RebalanceRequestImpl();
    }
    
    private class RemoveRequestImpl extends BaseRequest implements RemoveRequest {
        private Boolean async;
        public RemoveRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public RemoveResponse send() {
            HttpDelete request = null;
            try {
                URIBuilder uriBuilder = new URIBuilder(getConnection().getUrl() + getPath());
                if (async != null) {
                    uriBuilder.addParameter("async", XmlWriter.renderBoolean(async));
                }
                if (query != null) {
                    for (Map.Entry queryParam : query.entrySet()) {
                        uriBuilder.addParameter(queryParam.getKey(), queryParam.getValue());
                    }
                }
                request = new HttpDelete(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
            ) {
                EntityUtils.consumeQuietly(response.getEntity());
                return new RemoveResponseImpl();
            }
            else {
                checkFault(response);
                return new RemoveResponseImpl();
            }
        }
        
    }
    
    private class RemoveResponseImpl implements RemoveResponse {
    }
    
    public RemoveRequest remove() {
        return new RemoveRequestImpl();
    }
    
    private class ResetAllOptionsRequestImpl extends BaseRequest implements ResetAllOptionsRequest {
        private Boolean async;
        public ResetAllOptionsRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public ResetAllOptionsResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/resetalloptions");
            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);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new ResetAllOptionsResponseImpl();
        }
        
    }
    
    private class ResetAllOptionsResponseImpl implements ResetAllOptionsResponse {
    }
    
    public ResetAllOptionsRequest resetAllOptions() {
        return new ResetAllOptionsRequestImpl();
    }
    
    private class ResetOptionRequestImpl extends BaseRequest implements ResetOptionRequest {
        private Boolean async;
        public ResetOptionRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private Boolean force;
        public ResetOptionRequest force(Boolean force) {
            this.force = force;
            return this;
        }
        
        private Option option;
        public ResetOptionRequest option(Option option) {
            this.option = option;
            return this;
        }
        
        public ResetOptionRequest option(OptionBuilder option) {
            this.option = option.build();
            return this;
        }
        
        public ResetOptionResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/resetoption");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                ActionBuilder action = new ActionBuilder();
                action.async(async);
                action.force(force);
                action.option(option);
                XmlActionWriter.writeOne(action.build(), xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to write request", ex);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new ResetOptionResponseImpl();
        }
        
    }
    
    private class ResetOptionResponseImpl implements ResetOptionResponse {
    }
    
    public ResetOptionRequest resetOption() {
        return new ResetOptionRequestImpl();
    }
    
    private class SetOptionRequestImpl extends BaseRequest implements SetOptionRequest {
        private Boolean async;
        public SetOptionRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private Option option;
        public SetOptionRequest option(Option option) {
            this.option = option;
            return this;
        }
        
        public SetOptionRequest option(OptionBuilder option) {
            this.option = option.build();
            return this;
        }
        
        public SetOptionResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/setoption");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                ActionBuilder action = new ActionBuilder();
                action.async(async);
                action.option(option);
                XmlActionWriter.writeOne(action.build(), xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to write request", ex);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new SetOptionResponseImpl();
        }
        
    }
    
    private class SetOptionResponseImpl implements SetOptionResponse {
    }
    
    public SetOptionRequest setOption() {
        return new SetOptionRequestImpl();
    }
    
    private class StartRequestImpl extends BaseRequest implements StartRequest {
        private Boolean async;
        public StartRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private Boolean force;
        public StartRequest force(Boolean force) {
            this.force = force;
            return this;
        }
        
        public StartResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/start");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                ActionBuilder action = new ActionBuilder();
                action.async(async);
                action.force(force);
                XmlActionWriter.writeOne(action.build(), xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to write request", ex);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new StartResponseImpl();
        }
        
    }
    
    private class StartResponseImpl implements StartResponse {
    }
    
    public StartRequest start() {
        return new StartRequestImpl();
    }
    
    private class StartProfileRequestImpl extends BaseRequest implements StartProfileRequest {
        private Boolean async;
        public StartProfileRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public StartProfileResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/startprofile");
            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);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new StartProfileResponseImpl();
        }
        
    }
    
    private class StartProfileResponseImpl implements StartProfileResponse {
    }
    
    public StartProfileRequest startProfile() {
        return new StartProfileRequestImpl();
    }
    
    private class StopRequestImpl extends BaseRequest implements StopRequest {
        private Boolean async;
        public StopRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private Boolean force;
        public StopRequest force(Boolean force) {
            this.force = force;
            return this;
        }
        
        public StopResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/stop");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                ActionBuilder action = new ActionBuilder();
                action.async(async);
                action.force(force);
                XmlActionWriter.writeOne(action.build(), xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to write request", ex);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new StopResponseImpl();
        }
        
    }
    
    private class StopResponseImpl implements StopResponse {
    }
    
    public StopRequest stop() {
        return new StopRequestImpl();
    }
    
    private class StopProfileRequestImpl extends BaseRequest implements StopProfileRequest {
        private Boolean async;
        public StopProfileRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public StopProfileResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/stopprofile");
            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);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new StopProfileResponseImpl();
        }
        
    }
    
    private class StopProfileResponseImpl implements StopProfileResponse {
    }
    
    public StopProfileRequest stopProfile() {
        return new StopProfileRequestImpl();
    }
    
    private class StopRebalanceRequestImpl extends BaseRequest implements StopRebalanceRequest {
        private Boolean async;
        public StopRebalanceRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public StopRebalanceResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/stoprebalance");
            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);
            }
            
            if (headers != null) {
                for (Map.Entry header : headers.entrySet()) {
                    request.setHeader(header.getKey(), header.getValue());
                }
            }
            
            HttpResponse response = getConnection().send(request);
            Action action = checkAction(response);
            EntityUtils.consumeQuietly(response.getEntity());
            return new StopRebalanceResponseImpl();
        }
        
    }
    
    private class StopRebalanceResponseImpl implements StopRebalanceResponse {
    }
    
    public StopRebalanceRequest stopRebalance() {
        return new StopRebalanceRequestImpl();
    }
    
    public GlusterBricksService glusterBricksService() {
        return new GlusterBricksServiceImpl(getConnection(), getPath() + "/glusterbricks");
    }
    
    public StatisticsService statisticsService() {
        return new StatisticsServiceImpl(getConnection(), getPath() + "/statistics");
    }
    
    public Service service(String path) {
        if (path == null) {
            return this;
        }
        
        if (path.equals("glusterbricks")) {
            return glusterBricksService();
        }
        if (path.startsWith("glusterbricks/")) {
            return glusterBricksService().service(path.substring(14));
        }
        if (path.equals("statistics")) {
            return statisticsService();
        }
        if (path.startsWith("statistics/")) {
            return statisticsService().service(path.substring(11));
        }
        throw new Error("The path " + path + " doesn't correspond to any service");
    }
    
    public String toString() {
        return "GlusterVolumeService:" + getPath();
    }
    
}





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