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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.math.BigInteger;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
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.Error;
import org.ovirt.engine.sdk4.Service;
import org.ovirt.engine.sdk4.builders.GlusterBrickBuilder;
import org.ovirt.engine.sdk4.internal.HttpConnection;
import org.ovirt.engine.sdk4.internal.xml.XmlGlusterBrickReader;
import org.ovirt.engine.sdk4.internal.xml.XmlGlusterBrickWriter;
import org.ovirt.engine.sdk4.services.GlusterBrickService;
import org.ovirt.engine.sdk4.services.GlusterBricksService;
import org.ovirt.engine.sdk4.types.Action;
import org.ovirt.engine.sdk4.types.GlusterBrick;

public class GlusterBricksServiceImpl extends ServiceImpl implements GlusterBricksService {
    
    public GlusterBricksServiceImpl(HttpConnection connection, String path) {
        super(connection, path);
    }
    
    private class ActivateRequestImpl implements ActivateRequest {
        private Boolean async;
        public ActivateRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private List bricks;
        public ActivateRequest bricks(List bricks) {
            this.bricks = bricks;
            return this;
        }
        
        public ActivateRequest bricks(GlusterBrick... bricks) {
            this.bricks = Arrays.asList(bricks);
            return this;
        }
        
        public ActivateRequest bricks(GlusterBrickBuilder... bricks) {
            this.bricks = new ArrayList<>(bricks.length);
            for (GlusterBrickBuilder element : bricks) {
                this.bricks.add(element.build());
            }
            return this;
        }
        
        public ActivateResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/activate");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                xmlWriter.writeStartElement("action");
                if (bricks != null) {
                    XmlGlusterBrickWriter.writeMany(bricks.iterator(), "brick", "bricks", xmlWriter);
                }
                if (async != null) {
                    xmlWriter.writeBoolean("async", async);
                }
                xmlWriter.writeEndElement();
                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 ActivateResponseImpl();
            }
            else {
                checkFault(response);
                return null;
            }
        }
        
    }
    
    private class ActivateResponseImpl implements ActivateResponse {
    }
    
    public ActivateRequest activate() {
        return new ActivateRequestImpl();
    }
    
    private class AddRequestImpl implements AddRequest {
        private List bricks;
        public AddRequest bricks(List bricks) {
            this.bricks = bricks;
            return this;
        }
        
        public AddRequest bricks(GlusterBrick... bricks) {
            this.bricks = Arrays.asList(bricks);
            return this;
        }
        
        public AddRequest bricks(GlusterBrickBuilder... bricks) {
            this.bricks = new ArrayList<>(bricks.length);
            for (GlusterBrickBuilder element : bricks) {
                this.bricks.add(element.build());
            }
            return this;
        }
        
        public AddResponse send() {
            HttpPost request = null;
            try {
                URIBuilder uriBuilder = new URIBuilder(getConnection().getUrl() + getPath());
                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)
            ) {
                XmlGlusterBrickWriter.writeMany(bricks.iterator(), xmlWriter);
                xmlWriter.flush();
                request.setEntity(new ByteArrayEntity(output.toByteArray()));
            }
            catch (IOException ex) {
                throw new Error("Failed to parse response", ex);
            }
            
            HttpResponse response = getConnection().send(request);
            if (
              response.getStatusLine().getStatusCode() == 200
              || response.getStatusLine().getStatusCode() == 201
            ) {
                try (
                  XmlReader reader = new XmlReader(response.getEntity().getContent())
                ) {
                    return new AddResponseImpl(XmlGlusterBrickReader.readMany(reader));
                }
                catch (IOException ex) {
                    throw new Error("Failed to read response", ex);
                }
                finally {
                    EntityUtils.consumeQuietly(response.getEntity());
                }
            }
            else {
                checkFault(response);
                return null;
            }
        }
        
    }
    
    private class AddResponseImpl implements AddResponse {
        private List bricks;
        
        public AddResponseImpl(List bricks) {
            this.bricks = bricks;
        }
        
        public List bricks() {
            return bricks;
        }
        
    }
    
    public AddRequest add() {
        return new AddRequestImpl();
    }
    
    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(XmlGlusterBrickReader.readMany(reader));
                }
                catch (IOException ex) {
                    throw new Error("Failed to read response", ex);
                }
                finally {
                    EntityUtils.consumeQuietly(response.getEntity());
                }
            }
            else {
                checkFault(response);
                return null;
            }
        }
        
    }
    
    private class ListResponseImpl implements ListResponse {
        private List bricks;
        
        public ListResponseImpl(List bricks) {
            this.bricks = bricks;
        }
        
        public List bricks() {
            return bricks;
        }
        
    }
    
    public ListRequest list() {
        return new ListRequestImpl();
    }
    
    private class MigrateRequestImpl implements MigrateRequest {
        private Boolean async;
        public MigrateRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private List bricks;
        public MigrateRequest bricks(List bricks) {
            this.bricks = bricks;
            return this;
        }
        
        public MigrateRequest bricks(GlusterBrick... bricks) {
            this.bricks = Arrays.asList(bricks);
            return this;
        }
        
        public MigrateRequest bricks(GlusterBrickBuilder... bricks) {
            this.bricks = new ArrayList<>(bricks.length);
            for (GlusterBrickBuilder element : bricks) {
                this.bricks.add(element.build());
            }
            return this;
        }
        
        public MigrateResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/migrate");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                xmlWriter.writeStartElement("action");
                if (bricks != null) {
                    XmlGlusterBrickWriter.writeMany(bricks.iterator(), "brick", "bricks", xmlWriter);
                }
                if (async != null) {
                    xmlWriter.writeBoolean("async", async);
                }
                xmlWriter.writeEndElement();
                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 MigrateResponseImpl();
            }
            else {
                checkFault(response);
                return null;
            }
        }
        
    }
    
    private class MigrateResponseImpl implements MigrateResponse {
    }
    
    public MigrateRequest migrate() {
        return new MigrateRequestImpl();
    }
    
    private class RemoveRequestImpl implements RemoveRequest {
        private Boolean async;
        public RemoveRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private List bricks;
        public RemoveRequest bricks(List bricks) {
            this.bricks = bricks;
            return this;
        }
        
        public RemoveRequest bricks(GlusterBrick... bricks) {
            this.bricks = Arrays.asList(bricks);
            return this;
        }
        
        public RemoveRequest bricks(GlusterBrickBuilder... bricks) {
            this.bricks = new ArrayList<>(bricks.length);
            for (GlusterBrickBuilder element : bricks) {
                this.bricks.add(element.build());
            }
            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));
                }
                request = new HttpDelete(uriBuilder.build());
            }
            catch (URISyntaxException ex) {
                throw new Error("Failed to build URL", ex);
            }
            
            HttpResponse response = getConnection().send(request);
            if (
              response.getStatusLine().getStatusCode() == 200
            ) {
                EntityUtils.consumeQuietly(response.getEntity());
                return new RemoveResponseImpl();
            }
            else {
                checkFault(response);
                return null;
            }
        }
        
    }
    
    private class RemoveResponseImpl implements RemoveResponse {
    }
    
    public RemoveRequest remove() {
        return new RemoveRequestImpl();
    }
    
    private class StopMigrateRequestImpl implements StopMigrateRequest {
        private Boolean async;
        public StopMigrateRequest async(Boolean async) {
            this.async = async;
            return this;
        }
        
        private List bricks;
        public StopMigrateRequest bricks(List bricks) {
            this.bricks = bricks;
            return this;
        }
        
        public StopMigrateRequest bricks(GlusterBrick... bricks) {
            this.bricks = Arrays.asList(bricks);
            return this;
        }
        
        public StopMigrateRequest bricks(GlusterBrickBuilder... bricks) {
            this.bricks = new ArrayList<>(bricks.length);
            for (GlusterBrickBuilder element : bricks) {
                this.bricks.add(element.build());
            }
            return this;
        }
        
        public StopMigrateResponse send() {
            HttpPost request = new HttpPost(getConnection().getUrl() + getPath() + "/stopmigrate");
            try (
              ByteArrayOutputStream output = new ByteArrayOutputStream();
              XmlWriter xmlWriter = new XmlWriter(output, true)
            ) {
                xmlWriter.writeStartElement("action");
                if (bricks != null) {
                    XmlGlusterBrickWriter.writeMany(bricks.iterator(), "brick", "bricks", xmlWriter);
                }
                if (async != null) {
                    xmlWriter.writeBoolean("async", async);
                }
                xmlWriter.writeEndElement();
                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 StopMigrateResponseImpl();
            }
            else {
                checkFault(response);
                return null;
            }
        }
        
    }
    
    private class StopMigrateResponseImpl implements StopMigrateResponse {
    }
    
    public StopMigrateRequest stopMigrate() {
        return new StopMigrateRequestImpl();
    }
    
    public GlusterBrickService brickService(String id) {
        return new GlusterBrickServiceImpl(getConnection(), getPath() + "/" + id);
    }
    
    public Service service(String path) {
        if (path == null) {
            return this;
        }
        
        int index = path.indexOf('/');
        if (index == -1) {
            return brickService(path);
        }
        return brickService(path.substring(0, index)).service(path.substring(index + 1));
    }
    
    public String toString() {
        return "GlusterBricksService:" + getPath();
    }
    
}





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