com.arcadedb.query.sql.method.string.SQLMethodCapitalize Maven / Gradle / Ivy

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/*
 * Copyright © 2021-present Arcade Data Ltd ([email protected])
 *
 * 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.
 *
 * SPDX-FileCopyrightText: 2021-present Arcade Data Ltd ([email protected])
 * SPDX-License-Identifier: Apache-2.0
 */
package com.arcadedb.query.sql.method.string;

import com.arcadedb.database.Identifiable;
import com.arcadedb.query.sql.executor.CommandContext;
import com.arcadedb.query.sql.method.AbstractSQLMethod;

import java.util.*;
import java.util.regex.*;

/**
 * @author Christian Himpe (gramian)
 * @author Luca Garulli (l.garulli--(at)--gmail.com)
 */
public class SQLMethodCapitalize extends AbstractSQLMethod {

  public static final String NAME = "capitalize";

  public SQLMethodCapitalize() {
    super(NAME);
  }

  @Override
  public Object execute(final Object iThis, final Identifiable iCurrentRecord, final CommandContext iContext, final Object ioResult, final Object[] iParams) {
    return ioResult != null ? Pattern.compile("\\b(.)(.*?)\\b")
                                     .matcher(ioResult.toString())
                                     .replaceAll(match -> match.group(1).toUpperCase(Locale.ENGLISH) +
                                                          match.group(2).toLowerCase(Locale.ENGLISH))
                            : null;
  }
}