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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.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.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.BaseRequest;
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.XmlUserReader;
import org.ovirt.engine.sdk4.services.AssignedPermissionsService;
import org.ovirt.engine.sdk4.services.AssignedRolesService;
import org.ovirt.engine.sdk4.services.AssignedTagsService;
import org.ovirt.engine.sdk4.services.DomainUserGroupsService;
import org.ovirt.engine.sdk4.services.SshPublicKeysService;
import org.ovirt.engine.sdk4.services.UserService;
import org.ovirt.engine.sdk4.types.User;

public class UserServiceImpl extends ServiceImpl implements UserService {
    
    public UserServiceImpl(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.user(XmlUserReader.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 User user;
        
        public void user(User user) {
            this.user = user;
        }
        
        public User user() {
            return user;
        }
        
    }
    
    public GetRequest get() {
        return new GetRequestImpl();
    }
    
    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();
    }
    
    public DomainUserGroupsService groupsService() {
        return new DomainUserGroupsServiceImpl(getConnection(), getPath() + "/groups");
    }
    
    public AssignedPermissionsService permissionsService() {
        return new AssignedPermissionsServiceImpl(getConnection(), getPath() + "/permissions");
    }
    
    public AssignedRolesService rolesService() {
        return new AssignedRolesServiceImpl(getConnection(), getPath() + "/roles");
    }
    
    public SshPublicKeysService sshPublicKeysService() {
        return new SshPublicKeysServiceImpl(getConnection(), getPath() + "/sshpublickeys");
    }
    
    public AssignedTagsService tagsService() {
        return new AssignedTagsServiceImpl(getConnection(), getPath() + "/tags");
    }
    
    public Service service(String path) {
        if (path == null) {
            return this;
        }
        
        if (path.equals("groups")) {
            return groupsService();
        }
        if (path.startsWith("groups/")) {
            return groupsService().service(path.substring(7));
        }
        if (path.equals("permissions")) {
            return permissionsService();
        }
        if (path.startsWith("permissions/")) {
            return permissionsService().service(path.substring(12));
        }
        if (path.equals("roles")) {
            return rolesService();
        }
        if (path.startsWith("roles/")) {
            return rolesService().service(path.substring(6));
        }
        if (path.equals("sshpublickeys")) {
            return sshPublicKeysService();
        }
        if (path.startsWith("sshpublickeys/")) {
            return sshPublicKeysService().service(path.substring(14));
        }
        if (path.equals("tags")) {
            return tagsService();
        }
        if (path.startsWith("tags/")) {
            return tagsService().service(path.substring(5));
        }
        throw new Error("The path " + path + " doesn't correspond to any service");
    }
    
    public String toString() {
        return "UserService:" + getPath();
    }
    
}





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