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ArangoDB Java Driver
There is a newer version: 7.15.0
/*
 * DISCLAIMER
 *
 * Copyright 2016 ArangoDB GmbH, Cologne, Germany
 *
 * 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.
 *
 * Copyright holder is ArangoDB GmbH, Cologne, Germany
 */

package com.arangodb.internal;

import com.arangodb.entity.LogLevelEntity;
import com.arangodb.entity.Permissions;
import com.arangodb.entity.ServerRole;
import com.arangodb.entity.UserEntity;
import com.arangodb.internal.ArangoExecutor.ResponseDeserializer;
import com.arangodb.internal.util.ArangoSerializationFactory;
import com.arangodb.model.*;
import com.arangodb.velocypack.Type;
import com.arangodb.velocypack.VPackSlice;
import com.arangodb.velocystream.Request;
import com.arangodb.velocystream.RequestType;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map.Entry;

/**
 * @author Mark Vollmary
 * @author Heiko Kernbach
 *
 */
public abstract class InternalArangoDB extends ArangoExecuteable {

	private static final String PATH_API_ADMIN_LOG = 		"/_admin/log";
	private static final String PATH_API_ADMIN_LOG_LEVEL = 	"/_admin/log/level";
	private static final String PATH_API_ROLE = 			"/_admin/server/role";
	private static final String PATH_ENDPOINTS = 			"/_api/cluster/endpoints";
	private static final String PATH_API_USER = 			"/_api/user";

	protected InternalArangoDB(final E executor, final ArangoSerializationFactory util, final ArangoContext context) {
		super(executor, util, context);
	}

	protected Request getRoleRequest() {
		return request(ArangoRequestParam.SYSTEM, RequestType.GET, PATH_API_ROLE);
	}

	protected ResponseDeserializer getRoleResponseDeserializer() {
		return response -> util().deserialize(response.getBody().get("role"), ServerRole.class);
	}
	
	protected Request createDatabaseRequest(final String name) {
		final Request request = request(ArangoRequestParam.SYSTEM, RequestType.POST,
			InternalArangoDatabase.PATH_API_DATABASE);
		request.setBody(util().serialize(OptionsBuilder.build(new DBCreateOptions(), name)));
		return request;
	}

	protected ResponseDeserializer createDatabaseResponseDeserializer() {
		return response -> response.getBody().get(ArangoResponseField.RESULT).getAsBoolean();
	}

	protected Request getDatabasesRequest(final String database) {
		return request(database, RequestType.GET, InternalArangoDatabase.PATH_API_DATABASE);
	}

	protected ResponseDeserializer> getDatabaseResponseDeserializer() {
		return response -> {
			final VPackSlice result = response.getBody().get(ArangoResponseField.RESULT);
			return util().deserialize(result, new Type>() {
			}.getType());
		};
	}

	protected Request getAccessibleDatabasesForRequest(final String database, final String user) {
		return request(database, RequestType.GET, PATH_API_USER, user, ArangoRequestParam.DATABASE);
	}

	protected ResponseDeserializer> getAccessibleDatabasesForResponseDeserializer() {
		return response -> {
			final VPackSlice result = response.getBody().get(ArangoResponseField.RESULT);
			final Collection dbs = new ArrayList<>();
			for (final Iterator> iterator = result.objectIterator(); iterator
					.hasNext(); ) {
				dbs.add(iterator.next().getKey());
			}
			return dbs;
		};
	}

	protected Request createUserRequest(
		final String database,
		final String user,
		final String passwd,
		final UserCreateOptions options) {
		final Request request;
		request = request(database, RequestType.POST, PATH_API_USER);
		request.setBody(
			util().serialize(OptionsBuilder.build(options != null ? options : new UserCreateOptions(), user, passwd)));
		return request;
	}

	protected Request deleteUserRequest(final String database, final String user) {
		return request(database, RequestType.DELETE, PATH_API_USER, user);
	}

	protected Request getUsersRequest(final String database) {
		return request(database, RequestType.GET, PATH_API_USER);
	}

	protected Request getUserRequest(final String database, final String user) {
		return request(database, RequestType.GET, PATH_API_USER, user);
	}

	protected ResponseDeserializer> getUsersResponseDeserializer() {
		return response -> {
			final VPackSlice result = response.getBody().get(ArangoResponseField.RESULT);
			return util().deserialize(result, new Type>() {
			}.getType());
		};
	}

	protected Request updateUserRequest(final String database, final String user, final UserUpdateOptions options) {
		final Request request;
		request = request(database, RequestType.PATCH, PATH_API_USER, user);
		request.setBody(util().serialize(options != null ? options : new UserUpdateOptions()));
		return request;
	}

	protected Request replaceUserRequest(final String database, final String user, final UserUpdateOptions options) {
		final Request request;
		request = request(database, RequestType.PUT, PATH_API_USER, user);
		request.setBody(util().serialize(options != null ? options : new UserUpdateOptions()));
		return request;
	}

	protected Request updateUserDefaultDatabaseAccessRequest(final String user, final Permissions permissions) {
		return request(ArangoRequestParam.SYSTEM, RequestType.PUT, PATH_API_USER, user, ArangoRequestParam.DATABASE,
			"*").setBody(util().serialize(OptionsBuilder.build(new UserAccessOptions(), permissions)));
	}

	protected Request updateUserDefaultCollectionAccessRequest(final String user, final Permissions permissions) {
		return request(ArangoRequestParam.SYSTEM, RequestType.PUT, PATH_API_USER, user, ArangoRequestParam.DATABASE,
			"*", "*").setBody(util().serialize(OptionsBuilder.build(new UserAccessOptions(), permissions)));
	}

	protected Request getLogsRequest(final LogOptions options) {
		final LogOptions params = options != null ? options : new LogOptions();
		return request(ArangoRequestParam.SYSTEM, RequestType.GET, PATH_API_ADMIN_LOG)
				.putQueryParam(LogOptions.PROPERTY_UPTO, params.getUpto())
				.putQueryParam(LogOptions.PROPERTY_LEVEL, params.getLevel())
				.putQueryParam(LogOptions.PROPERTY_START, params.getStart())
				.putQueryParam(LogOptions.PROPERTY_SIZE, params.getSize())
				.putQueryParam(LogOptions.PROPERTY_OFFSET, params.getOffset())
				.putQueryParam(LogOptions.PROPERTY_SEARCH, params.getSearch())
				.putQueryParam(LogOptions.PROPERTY_SORT, params.getSort());
	}

	protected Request getLogLevelRequest() {
		return request(ArangoRequestParam.SYSTEM, RequestType.GET, PATH_API_ADMIN_LOG_LEVEL);
	}

	protected Request setLogLevelRequest(final LogLevelEntity entity) {
		return request(ArangoRequestParam.SYSTEM, RequestType.PUT, PATH_API_ADMIN_LOG_LEVEL)
				.setBody(util().serialize(entity));
	}

}