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This is the full Active Objects library, if you don't know which one to use, you probably want this one.

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/*
 * Copyright 2007 Daniel Spiewak
 *
 * 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 net.java.ao.schema;

import java.util.List;
import java.util.Objects;

import static net.java.ao.schema.UnderScoreUtils.camelCaseToUnderScore;

/**
 * 

Imposes an underscore word-separation convention upon field names. * This will convert field in the following way:

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Method NameReturns Entity?Field Name
getFirstNamefalsefirst_name
setLastNamefalselast_name
getCompanytruecompany_id
isCoolfalsecool
* *

This converter allows for both all-lowercase and all-uppercase * field name conventions. For example, depending on the configuration, * getLastName may convert to "LAST_NAME".

* *

This converter is all that is required to emulate the ActiveRecord * field name conversion.

* * @author Daniel Spiewak */ public final class UnderscoreFieldNameConverter extends AbstractFieldNameConverter { private final Case fieldNameCase; /** * Creates a new field name converter in which all field names will * be either fully uppercase or fully lowercase. * * @param fieldNameCase the case to use for field names */ public UnderscoreFieldNameConverter(Case fieldNameCase) { this.fieldNameCase = Objects.requireNonNull(fieldNameCase, "fieldNameCase can't be null"); } public UnderscoreFieldNameConverter(Case fieldNameCase, List fieldNameResolvers) { super(fieldNameResolvers); this.fieldNameCase = Objects.requireNonNull(fieldNameCase, "fieldNameCase can't be null"); } @Override public String convertName(String name) { return fieldNameCase.apply(camelCaseToUnderScore(name)); } }




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