org.boon.validation.validators.CompositeValidator Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of boon Show documentation
Show all versions of boon Show documentation
Simple opinionated Java for the novice to expert level Java Programmer.
Low Ceremony. High Productivity. A real boon to Java to developers!
/*
* Copyright 2013-2014 Richard M. Hightower
* 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.
*
* __________ _____ __ .__
* \______ \ ____ ____ ____ /\ / \ _____ | | _|__| ____ ____
* | | _// _ \ / _ \ / \ \/ / \ / \\__ \ | |/ / |/ \ / ___\
* | | ( <_> | <_> ) | \ /\ / Y \/ __ \| <| | | \/ /_/ >
* |______ /\____/ \____/|___| / \/ \____|__ (____ /__|_ \__|___| /\___ /
* \/ \/ \/ \/ \/ \//_____/
* ____. ___________ _____ ______________.___.
* | |____ ___ _______ \_ _____/ / _ \ / _____/\__ | |
* | \__ \\ \/ /\__ \ | __)_ / /_\ \ \_____ \ / | |
* /\__| |/ __ \\ / / __ \_ | \/ | \/ \ \____ |
* \________(____ /\_/ (____ / /_______ /\____|__ /_______ / / ______|
* \/ \/ \/ \/ \/ \/
*/
package org.boon.validation.validators;
import org.boon.validation.FieldValidator;
import org.boon.validation.ValidatorMessage;
import org.boon.validation.ValidatorMessageHolder;
import org.boon.validation.ValidatorMessages;
import java.util.ArrayList;
import java.util.List;
/**
*
* Combines a bunch of validators into one.
*
*
* @author Rick Hightower
*/
public class CompositeValidator implements FieldValidator {
private List validatorList = new ArrayList<>();
private RequiredValidator requiredValidator = null;
private List detailArgs;
private List summaryArgs;
private String stopOnRule = "";
private boolean stopOnFirstRule = false;
private boolean stopOnBlank = true;
public void setValidatorList( List list ) {
this.validatorList = list;
StopOnRuleValidator stopOnRuleValidator = null;
for ( FieldValidator validator : list ) {
if ( validator instanceof RequiredValidator ) {
requiredValidator = ( RequiredValidator ) validator;
}
if ( validator instanceof StopOnRuleValidator ) {
stopOnRuleValidator = ( StopOnRuleValidator ) validator;
}
}
if ( stopOnRuleValidator != null ) {
validatorList.remove( stopOnRule );
String ruleName = stopOnRuleValidator.getRuleName();
if ( "first".equals( ruleName ) || ruleName == null ) {
stopOnFirstRule = true;
} else {
stopOnRule = ruleName;
}
}
if ( requiredValidator != null ) {
validatorList.remove( requiredValidator );
}
}
public ValidatorMessageHolder validate( Object object, String fieldLabel ) {
ValidatorMessages messages = new ValidatorMessages(); //holds error messages.
/* Validate with the requiredValidator if it is present. */
ValidatorMessage requiredMessage = validateWithRequriedIfPresent( object, fieldLabel, messages );
boolean proceed = !( stopOnBlank && ( object == null || object.toString().trim().length() == 0 ) );
/* If the requiredMessage from the requiredValidator is null, then there was not a required validator present. */
/* If the requiredMessage is present then check to see if it has errors, only validate further if
* the requiredMessage has no error. */
if ( requiredMessage == null || !requiredMessage.hasError() ) {
if ( proceed ) {
runValidationRules( object, fieldLabel, messages );
}
}
return messages;
}
private void runValidationRules( Object object, String fieldLabel, ValidatorMessages messages ) {
for ( FieldValidator validator : validatorList ) {
putArgs( validator );
ValidatorMessage message = ( ValidatorMessage ) validator.validate( object, fieldLabel );
if ( message.hasError() ) {
messages.add( message );
if ( this.stopOnFirstRule ) {
break;
} else if ( validator.getClass().getSimpleName().equalsIgnoreCase( stopOnRule ) ) {
break;
}
}
}
}
private ValidatorMessage validateWithRequriedIfPresent( Object object, String fieldLabel, ValidatorMessages messages ) {
ValidatorMessage requiredMessage = null;
if ( requiredValidator != null ) {
putArgs( requiredValidator );
requiredMessage = ( ValidatorMessage ) requiredValidator.validate( object, fieldLabel );
if ( requiredMessage.hasError() ) {
messages.add( requiredMessage );
}
}
return requiredMessage;
}
private void putArgs( FieldValidator validator ) {
if ( validator instanceof BaseValidator ) {
BaseValidator aValidator = ( BaseValidator ) validator;
aValidator.setDetailArgs( this.detailArgs );
aValidator.setSummaryArgs( this.summaryArgs );
}
}
public void setDetailArgs( List detailArgKeys ) {
this.detailArgs = detailArgKeys;
}
public void setSummaryArgs( List summaryArgKeys ) {
this.summaryArgs = summaryArgKeys;
}
public void setStopOnBlank( boolean stopOnBlank ) {
this.stopOnBlank = stopOnBlank;
}
}