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

/*
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.methods.HttpPut;
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.DiskBuilder;
import org.ovirt.engine.sdk4.internal.HttpConnection;
import org.ovirt.engine.sdk4.internal.xml.XmlActionWriter;
import org.ovirt.engine.sdk4.internal.xml.XmlDiskReader;
import org.ovirt.engine.sdk4.internal.xml.XmlDiskWriter;
import org.ovirt.engine.sdk4.services.AssignedPermissionsService;
import org.ovirt.engine.sdk4.services.StatisticsService;
import org.ovirt.engine.sdk4.services.VmDiskService;
import org.ovirt.engine.sdk4.types.Action;
import org.ovirt.engine.sdk4.types.Disk;

public class VmDiskServiceImpl extends MeasurableServiceImpl implements VmDiskService {
    
    public VmDiskServiceImpl(HttpConnection connection, String path) {
        super(connection, path);
    }
    
    private class ActivateRequestImpl extends BaseRequest implements ActivateRequest {
        private Boolean async;
        public ActivateRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public ActivateResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/activate");
            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 ActivateResponseImpl();
        }
        
    }
    
    private class ActivateResponseImpl implements ActivateResponse {
    }
    
    public ActivateRequest activate() {
        return new ActivateRequestImpl();
    }
    
    private class DeactivateRequestImpl extends BaseRequest implements DeactivateRequest {
        private Boolean async;
        public DeactivateRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public DeactivateResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/deactivate");
            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 DeactivateResponseImpl();
        }
        
    }
    
    private class DeactivateResponseImpl implements DeactivateResponse {
    }
    
    public DeactivateRequest deactivate() {
        return new DeactivateRequestImpl();
    }
    
    private class ExportRequestImpl extends BaseRequest implements ExportRequest {
        private Boolean async;
        public ExportRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private Boolean filter;
        public ExportRequest filter(Boolean filter) {
            this.filter = filter;
            return this;
        }
        
        public ExportResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/export");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                ActionBuilder action = new ActionBuilder();
                action.async(async);
                action.filter(filter);
                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 ExportResponseImpl();
        }
        
    }
    
    private class ExportResponseImpl implements ExportResponse {
    }
    
    public ExportRequest export() {
        return new ExportRequestImpl();
    }
    
    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.disk(XmlDiskReader.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 Disk disk;
        
        public void disk(Disk disk) {
            this.disk = disk;
        }
        
        public Disk disk() {
            return disk;
        }
        
    }
    
    public GetRequest get() {
        return new GetRequestImpl();
    }
    
    private class MoveRequestImpl extends BaseRequest implements MoveRequest {
        private Boolean async;
        public MoveRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private Boolean filter;
        public MoveRequest filter(Boolean filter) {
            this.filter = filter;
            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);
                action.filter(filter);
                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 MoveResponseImpl();
        }
        
    }
    
    private class MoveResponseImpl implements MoveResponse {
    }
    
    public MoveRequest move() {
        return new MoveRequestImpl();
    }
    
    private class ReduceRequestImpl extends BaseRequest implements ReduceRequest {
        private Boolean async;
        public ReduceRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        public ReduceResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/reduce");
            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 ReduceResponseImpl();
        }
        
    }
    
    private class ReduceResponseImpl implements ReduceResponse {
    }
    
    public ReduceRequest reduce() {
        return new ReduceRequestImpl();
    }
    
    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 UpdateRequestImpl extends BaseRequest implements UpdateRequest {
        private Boolean async;
        public UpdateRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private Disk disk;
        public UpdateRequest disk(Disk disk) {
            this.disk = disk;
            return this;
        }
        
        public UpdateRequest disk(DiskBuilder disk) {
            this.disk = disk.build();
            return this;
        }
        
        public UpdateResponse send() {
            HttpPut 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 HttpPut(uriBuilder.build());
            }
            catch (URISyntaxException ex) {
                throw new Error("Failed to build URL", ex);
            }
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                XmlDiskWriter.writeOne(disk, 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
            ) {
                try (
                  XmlReader reader = new XmlReader(response.getEntity().getContent())
                ) {
                    UpdateResponseImpl actionResponse = new UpdateResponseImpl();
                    actionResponse.disk(XmlDiskReader.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 UpdateResponseImpl();
            }
        }
        
    }
    
    private class UpdateResponseImpl implements UpdateResponse {
        private Disk disk;
        
        public void disk(Disk disk) {
            this.disk = disk;
        }
        
        public Disk disk() {
            return disk;
        }
        
    }
    
    public UpdateRequest update() {
        return new UpdateRequestImpl();
    }
    
    public AssignedPermissionsService permissionsService() {
        return new AssignedPermissionsServiceImpl(getConnection(), getPath() + "/permissions");
    }
    
    public StatisticsService statisticsService() {
        return new StatisticsServiceImpl(getConnection(), getPath() + "/statistics");
    }
    
    public Service service(String path) {
        if (path == null) {
            return this;
        }
        
        if (path.equals("permissions")) {
            return permissionsService();
        }
        if (path.startsWith("permissions/")) {
            return permissionsService().service(path.substring(12));
        }
        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 "VmDiskService:" + getPath();
    }
    
}