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/**
* Copyright (c) 2014, 2019 ControlsFX
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of ControlsFX, any associated website, nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL CONTROLSFX BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.controlsfx.validation;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import javafx.scene.control.Control;
/**
* Validation result. Can generally be thought of a collection of validation messages.
* Allows for quick an painless accumulation of the messages.
* Also provides ability to combine validation results
*/
public class ValidationResult {
private List invalidMessages = new ArrayList<>();
/**
* Creates empty validation result
*/
public ValidationResult() {}
/**
* Factory method to create validation result out of one message.
* Messages with {@link Severity#OK} will be ignored.
* @param target validation target
* @param text message text
* @param severity message severity
* @param condition condition on which message will be added to validation result
* @return New instance of validation result
*/
public static final ValidationResult fromMessageIf(Control target, String text, Severity severity, boolean condition) {
return new ValidationResult().addMessageIf(target, text, severity, condition);
}
/**
* Factory method to create validation result out of one error
* @param target validation target
* @param text message text
* @param condition condition on which message will be added to validation result
* @return New instance of validation result
*/
public static final ValidationResult fromErrorIf(Control target, String text, boolean condition) {
return new ValidationResult().addErrorIf(target, text, condition);
}
/**
* Factory method to create validation result out of one warning
* @param target validation target
* @param text message text
* @param condition condition on which message will be added to validation result
* @return New instance of validation result
*/
public static final ValidationResult fromWarningIf(Control target, String text, boolean condition) {
return new ValidationResult().addWarningIf(target, text, condition);
}
/**
* Factory method to create validation result out of one info
* @param target validation target
* @param text message text
* @param condition condition on which message will be added to validation result
* @return New instance of validation result
*/
public static final ValidationResult fromInfoIf(Control target, String text, boolean condition) {
return new ValidationResult().addInfoIf(target, text, condition);
}
/**
* Factory method to create validation result out of one error
* @param target validation target
* @param text message text
* @return New instance of validation result
*/
public static final ValidationResult fromError(Control target, String text) {
return fromMessages(ValidationMessage.error(target, text));
}
/**
* Factory method to create validation result out of one warning
* @param target validation target
* @param text message text
* @return New instance of validation result
*/
public static final ValidationResult fromWarning(Control target, String text) {
return fromMessages(ValidationMessage.warning(target, text));
}
/**
* Factory method to create validation result out of one info
* @param target validation target
* @param text message text
* @return New instance of validation result
*/
public static final ValidationResult fromInfo(Control target, String text) {
return fromMessages(ValidationMessage.info(target, text));
}
/**
* Factory method to create validation result out of several messages
* @param messages
* @return New instance of validation result
*/
public static final ValidationResult fromMessages(ValidationMessage... messages) {
return new ValidationResult().addAll(messages);
}
/**
* Factory method to create validation result out of collection of messages
* @param messages
* @return New instance of validation result
*/
public static final ValidationResult fromMessages(Collection messages) {
return new ValidationResult().addAll(messages);
}
/**
* Factory method to create validation result out of several validation results
* @param results results
* @return New instance of validation result, combining all into one
*/
public static final ValidationResult fromResults(ValidationResult... results) {
return new ValidationResult().combineAll(results);
}
/**
* Factory method to create validation result out of collection of validation results
* @param results results
* @return New instance of validation result, combining all into one
*/
public static final ValidationResult fromResults(Collection results) {
return new ValidationResult().combineAll(results);
}
/**
* Creates a copy of validation result
* @return copy of validation result
*/
public ValidationResult copy() {
return ValidationResult.fromMessages(getMessages());
}
/**
* Add one message to validation result. Messages with {@link Severity#OK} will be ignored.
* @param message validation message
* @return updated validation result
*/
public ValidationResult add(ValidationMessage message) {
if (message != null && message.getSeverity() != Severity.OK) {
invalidMessages.add(message);
}
return this;
}
/**
* Add one message to validation result with condition. Messages with {@link Severity#OK} will be ignored.
* @param target validation target
* @param text message text
* @param severity message severity
* @param condition condition on which message will be added
* @return updated validation result
*/
public ValidationResult addMessageIf(Control target, String text, Severity severity, boolean condition) {
return condition ? add(new SimpleValidationMessage(target, text, severity)) : this;
}
/**
* Add one error to validation result with condition
* @param target validation target
* @param text message text
* @param condition condition on which error will be added
* @return updated validation result
*/
public ValidationResult addErrorIf(Control target, String text, boolean condition) {
return addMessageIf(target, text, Severity.ERROR, condition);
}
/**
* Add one warning to validation result with condition
* @param target validation target
* @param text message text
* @param condition condition on which warning will be added
* @return updated validation result
*/
public ValidationResult addWarningIf(Control target, String text, boolean condition) {
return addMessageIf(target, text, Severity.WARNING, condition);
}
/**
* Add one info to validation result with condition
* @param target validation target
* @param text message text
* @param condition condition on which info will be added
* @return updated validation result
*/
public ValidationResult addInfoIf(Control target, String text, boolean condition) {
return addMessageIf(target, text, Severity.INFO, condition);
}
/**
* Add collection of validation messages. Messages with {@link Severity#OK} will be ignored.
* @param messages
* @return updated validation result
*/
public ValidationResult addAll(Collection messages) {
messages.stream().forEach(msg -> add(msg));
return this;
}
/**
* Add several validation messages. Messages with {@link Severity#OK} will be ignored.
* @param messages
* @return updated validation result
*/
public ValidationResult addAll(ValidationMessage... messages) {
return addAll(Arrays.asList(messages));
}
/**
* Combine validation result with another. This will create a new instance of combined validation result
* @param validationResult
* @return new instance of combined validation result
*/
public ValidationResult combine(ValidationResult validationResult) {
return validationResult == null ? copy(): copy().addAll(validationResult.getMessages());
}
/**
* Combine validation result with others. This will create a new instance of combined validation result
* @param validationResults
* @return new instance of combined validation result
*/
public ValidationResult combineAll(Collection validationResults) {
return validationResults.stream().reduce(copy(), (x,r) -> {
return r == null ? x : x.addAll(r.getMessages());
});
}
/**
* Combine validation result with others. This will create a new instance of combined validation result
* @param validationResults
* @return new instance of combined validation result
*/
public ValidationResult combineAll(ValidationResult... validationResults) {
return combineAll(Arrays.asList(validationResults));
}
/**
* Retrieve errors represented by validation result
* @return an unmodifiable collection of errors
*/
public Collection getErrors() {
return getMessages(Severity.ERROR);
}
/**
* Retrieve warnings represented by validation result
* @return an unmodifiable collection of warnings
*/
public Collection getWarnings() {
return getMessages(Severity.WARNING);
}
/**
* Retrieve infos represented by validation result
* @return an unmodifiable collection of infos
*/
public Collection getInfos() {
return getMessages(Severity.INFO);
}
/**
* Retrieve all messages represented by validation result
* @return an unmodifiable collection of messages
*/
public Collection getMessages() {
return getMessages(null);
}
/**
* Helper method to get all messages for a given severity.
* A null severity will return all messages.
* @return an unmodifiable collection of messages
*/
private Collection getMessages(Severity severity) {
List messages = severity == null ?
invalidMessages :
invalidMessages.parallelStream()
.filter(msg -> msg.getSeverity() == severity)
.collect(Collectors.toList());
return Collections.unmodifiableList(messages);
}
}
