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gui/admin-gui/src/main/java/com/evolveum/midpoint/web/util/ExpressionValidator.java
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| /* | ||
| * Copyright (c) 2010-2019 Evolveum and contributors | ||
| * | ||
| * This work is dual-licensed under the Apache License 2.0 | ||
| * and European Union Public License. See LICENSE file for details. | ||
| */ | ||
| package com.evolveum.midpoint.web.util; | ||
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| import java.util.Collection; | ||
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| import com.evolveum.midpoint.prism.PrismContext; | ||
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| import org.apache.wicket.model.IModel; | ||
| import org.apache.wicket.validation.INullAcceptingValidator; | ||
| import org.apache.wicket.validation.IValidatable; | ||
| import org.apache.wicket.validation.ValidationError; | ||
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| import com.evolveum.midpoint.gui.api.util.ModelServiceLocator; | ||
| import com.evolveum.midpoint.gui.api.util.WebModelServiceUtils; | ||
| import com.evolveum.midpoint.prism.PrismPropertyDefinition; | ||
| import com.evolveum.midpoint.prism.PrismPropertyValue; | ||
| import com.evolveum.midpoint.prism.delta.PrismValueDeltaSetTriple; | ||
| import com.evolveum.midpoint.repo.common.expression.Expression; | ||
| import com.evolveum.midpoint.repo.common.expression.ExpressionEvaluationContext; | ||
| import com.evolveum.midpoint.repo.common.expression.ExpressionFactory; | ||
| import com.evolveum.midpoint.repo.common.expression.ExpressionVariables; | ||
| import com.evolveum.midpoint.schema.constants.ExpressionConstants; | ||
| import com.evolveum.midpoint.schema.result.OperationResult; | ||
| import com.evolveum.midpoint.schema.util.MiscSchemaUtil; | ||
| import com.evolveum.midpoint.task.api.Task; | ||
| import com.evolveum.midpoint.util.exception.CommunicationException; | ||
| import com.evolveum.midpoint.util.exception.ConfigurationException; | ||
| import com.evolveum.midpoint.util.exception.ExpressionEvaluationException; | ||
| import com.evolveum.midpoint.util.exception.ObjectNotFoundException; | ||
| import com.evolveum.midpoint.util.exception.SchemaException; | ||
| import com.evolveum.midpoint.util.exception.SecurityViolationException; | ||
| import com.evolveum.midpoint.xml.ns._public.common.common_3.ExpressionType; | ||
| import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectType; | ||
| import com.evolveum.midpoint.xml.ns._public.common.common_3.OperationResultType; | ||
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| public class ExpressionValidator<T> implements INullAcceptingValidator<T> { | ||
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| private static final long serialVersionUID = 1L; | ||
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| // private InputPanel inputPanel; | ||
| private IModel<ExpressionType> expressionTypeModel; | ||
| private ModelServiceLocator serviceLocator; | ||
| // private T realValue; | ||
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| private static final String OPERATION_EVALUATE_EXPRESSION = ExpressionValidator.class.getName() + ".evaluateValidationExpression"; | ||
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| public ExpressionValidator(IModel<ExpressionType> expressionType, ModelServiceLocator serviceLocator) { | ||
| // this.inputPanel = inputPanel; | ||
| this.expressionTypeModel = expressionType; | ||
| this.serviceLocator = serviceLocator; | ||
| // this.realValue = realValue; | ||
| } | ||
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| @Override | ||
| public void validate(IValidatable<T> validatable) { | ||
| ExpressionType expressionType = expressionTypeModel.getObject(); | ||
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| if (expressionType == null) { | ||
| return; | ||
| } | ||
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| PrismContext prismContext = serviceLocator.getPrismContext(); | ||
| Object valueToValidate = getValueToValidate(validatable); | ||
| String contextDesc = " form component expression validation "; | ||
| PrismPropertyDefinition<OperationResultType> outputDefinition = prismContext.definitionFactory().createPropertyDefinition(ExpressionConstants.OUTPUT_ELEMENT_NAME, | ||
| OperationResultType.COMPLEX_TYPE); | ||
| Task task = serviceLocator.createSimpleTask(OPERATION_EVALUATE_EXPRESSION); | ||
| OperationResult result = new OperationResult(OPERATION_EVALUATE_EXPRESSION); | ||
| ExpressionFactory expressionFactory = serviceLocator.getExpressionFactory(); | ||
| Expression<PrismPropertyValue<OperationResultType>, PrismPropertyDefinition<OperationResultType>> expression; | ||
| try { | ||
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| expression = expressionFactory | ||
| .makeExpression(expressionType, outputDefinition, MiscSchemaUtil.getExpressionProfile(), contextDesc, task, result); | ||
| } catch (SchemaException | ObjectNotFoundException | SecurityViolationException e) { | ||
| ValidationError error = new ValidationError(); | ||
| error.setMessage("Cannot make expression: " + e.getMessage()); | ||
| validatable.error(error); | ||
| // form.error("Cannot make expression: " + e.getMessage()); | ||
| return; | ||
| } | ||
| ExpressionVariables variables = new ExpressionVariables(); | ||
| if (valueToValidate != null) { | ||
| variables.put(ExpressionConstants.VAR_INPUT, valueToValidate, valueToValidate.getClass()); | ||
| } | ||
| variables.putObject(ExpressionConstants.VAR_OBJECT, (ObjectType)getObjectType(), ObjectType.class); | ||
| // addAdditionalExpressionVariables(variables); | ||
| ExpressionEvaluationContext context = new ExpressionEvaluationContext(null, variables, contextDesc, task); | ||
| PrismValueDeltaSetTriple<PrismPropertyValue<OperationResultType>> outputTriple; | ||
| try { | ||
| outputTriple = expression.evaluate(context, result); | ||
| } catch (SchemaException | ExpressionEvaluationException | ObjectNotFoundException | CommunicationException | ||
| | ConfigurationException | SecurityViolationException e) { | ||
| ValidationError error = new ValidationError(); | ||
| error.setMessage("Cannot evaluate expression: " + e.getMessage()); | ||
| validatable.error(error); | ||
| // form.error("Cannot evaluate expression: " + e.getMessage()); | ||
| return; | ||
| } | ||
| if (outputTriple == null) { | ||
| return; | ||
| } | ||
| Collection<PrismPropertyValue<OperationResultType>> outputValues = outputTriple.getNonNegativeValues(); | ||
| if (outputValues.isEmpty()) { | ||
| return; | ||
| } | ||
| if (outputValues.size() > 1) { | ||
| ValidationError error = new ValidationError(); | ||
| error.setMessage("Expression "+contextDesc+" produced more than one value"); | ||
| validatable.error(error); | ||
| // form.error("Expression "+contextDesc+" produced more than one value"); | ||
| } | ||
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| OperationResultType operationResultType = outputValues.iterator().next().getRealValue(); | ||
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| if (operationResultType == null) { | ||
| return; | ||
| } | ||
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| OperationResult returnResult = OperationResult.createOperationResult(operationResultType); | ||
| if (!returnResult.isSuccess()) { | ||
| ValidationError error = new ValidationError(); | ||
| if (returnResult.getUserFriendlyMessage() != null) { | ||
| error.setMessage(WebModelServiceUtils.translateMessage(returnResult, serviceLocator)); | ||
| } else { | ||
| error.setMessage(returnResult.getMessage()); | ||
| } | ||
| validatable.error(error); | ||
| } | ||
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| } | ||
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| protected <O extends ObjectType> O getObjectType() { | ||
| return null; | ||
| } | ||
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| protected Object getValueToValidate(IValidatable<T> validatable) { | ||
| return validatable.getValue(); | ||
| } | ||
|
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| } | ||
| /* | ||
| * Copyright (c) 2010-2019 Evolveum and contributors | ||
| * | ||
| * This work is dual-licensed under the Apache License 2.0 | ||
| * and European Union Public License. See LICENSE file for details. | ||
| */ | ||
| package com.evolveum.midpoint.web.util; | ||
|
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| import java.util.Collection; | ||
|
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| import com.evolveum.midpoint.prism.PrismContext; | ||
|
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| import org.apache.wicket.model.IModel; | ||
| import org.apache.wicket.validation.INullAcceptingValidator; | ||
| import org.apache.wicket.validation.IValidatable; | ||
| import org.apache.wicket.validation.ValidationError; | ||
|
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| import com.evolveum.midpoint.gui.api.util.ModelServiceLocator; | ||
| import com.evolveum.midpoint.gui.api.util.WebModelServiceUtils; | ||
| import com.evolveum.midpoint.prism.PrismPropertyDefinition; | ||
| import com.evolveum.midpoint.prism.PrismPropertyValue; | ||
| import com.evolveum.midpoint.prism.delta.PrismValueDeltaSetTriple; | ||
| import com.evolveum.midpoint.repo.common.expression.Expression; | ||
| import com.evolveum.midpoint.repo.common.expression.ExpressionEvaluationContext; | ||
| import com.evolveum.midpoint.repo.common.expression.ExpressionFactory; | ||
| import com.evolveum.midpoint.repo.common.expression.ExpressionVariables; | ||
| import com.evolveum.midpoint.schema.constants.ExpressionConstants; | ||
| import com.evolveum.midpoint.schema.result.OperationResult; | ||
| import com.evolveum.midpoint.schema.util.MiscSchemaUtil; | ||
| import com.evolveum.midpoint.task.api.Task; | ||
| import com.evolveum.midpoint.util.exception.CommunicationException; | ||
| import com.evolveum.midpoint.util.exception.ConfigurationException; | ||
| import com.evolveum.midpoint.util.exception.ExpressionEvaluationException; | ||
| import com.evolveum.midpoint.util.exception.ObjectNotFoundException; | ||
| import com.evolveum.midpoint.util.exception.SchemaException; | ||
| import com.evolveum.midpoint.util.exception.SecurityViolationException; | ||
| import com.evolveum.midpoint.xml.ns._public.common.common_3.ExpressionType; | ||
| import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectType; | ||
| import com.evolveum.midpoint.xml.ns._public.common.common_3.OperationResultType; | ||
|
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| public class ExpressionValidator<T> implements INullAcceptingValidator<T> { | ||
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| private static final long serialVersionUID = 1L; | ||
|
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| private IModel<ExpressionType> expressionTypeModel; | ||
| private ModelServiceLocator serviceLocator; | ||
|
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| private static final String OPERATION_EVALUATE_EXPRESSION = ExpressionValidator.class.getName() + ".evaluateValidationExpression"; | ||
|
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| public ExpressionValidator(IModel<ExpressionType> expressionType, ModelServiceLocator serviceLocator) { | ||
| this.expressionTypeModel = expressionType; | ||
| this.serviceLocator = serviceLocator; | ||
| } | ||
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| @Override | ||
| public void validate(IValidatable<T> validatable) { | ||
| ExpressionType expressionType = expressionTypeModel.getObject(); | ||
|
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| if (expressionType == null) { | ||
| return; | ||
| } | ||
|
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| PrismContext prismContext = serviceLocator.getPrismContext(); | ||
| Object valueToValidate = getValueToValidate(validatable); | ||
| String contextDesc = " form component expression validation "; | ||
| PrismPropertyDefinition<OperationResultType> outputDefinition = prismContext.definitionFactory().createPropertyDefinition(ExpressionConstants.OUTPUT_ELEMENT_NAME, | ||
| OperationResultType.COMPLEX_TYPE); | ||
| Task task = serviceLocator.createSimpleTask(OPERATION_EVALUATE_EXPRESSION); | ||
| OperationResult result = new OperationResult(OPERATION_EVALUATE_EXPRESSION); | ||
| ExpressionFactory expressionFactory = serviceLocator.getExpressionFactory(); | ||
| Expression<PrismPropertyValue<OperationResultType>, PrismPropertyDefinition<OperationResultType>> expression; | ||
| try { | ||
|
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| expression = expressionFactory | ||
| .makeExpression(expressionType, outputDefinition, MiscSchemaUtil.getExpressionProfile(), contextDesc, task, result); | ||
| } catch (SchemaException | ObjectNotFoundException | SecurityViolationException e) { | ||
| ValidationError error = new ValidationError(); | ||
| error.setMessage("Cannot make expression: " + e.getMessage()); | ||
| validatable.error(error); | ||
| return; | ||
| } | ||
| ExpressionVariables variables = new ExpressionVariables(); | ||
| Class typeClass = (valueToValidate == null ? String.class : valueToValidate.getClass()); | ||
| variables.put(ExpressionConstants.VAR_INPUT, valueToValidate, typeClass); | ||
| variables.putObject(ExpressionConstants.VAR_OBJECT, (ObjectType)getObjectType(), ObjectType.class); | ||
| ExpressionEvaluationContext context = new ExpressionEvaluationContext(null, variables, contextDesc, task); | ||
| PrismValueDeltaSetTriple<PrismPropertyValue<OperationResultType>> outputTriple; | ||
| try { | ||
| outputTriple = expression.evaluate(context, result); | ||
| } catch (SchemaException | ExpressionEvaluationException | ObjectNotFoundException | CommunicationException | ||
| | ConfigurationException | SecurityViolationException e) { | ||
| ValidationError error = new ValidationError(); | ||
| error.setMessage("Cannot evaluate expression: " + e.getMessage()); | ||
| validatable.error(error); | ||
| return; | ||
| } | ||
| if (outputTriple == null) { | ||
| return; | ||
| } | ||
| Collection<PrismPropertyValue<OperationResultType>> outputValues = outputTriple.getNonNegativeValues(); | ||
| if (outputValues.isEmpty()) { | ||
| return; | ||
| } | ||
| if (outputValues.size() > 1) { | ||
| ValidationError error = new ValidationError(); | ||
| error.setMessage("Expression "+contextDesc+" produced more than one value"); | ||
| validatable.error(error); | ||
| } | ||
|
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| OperationResultType operationResultType = outputValues.iterator().next().getRealValue(); | ||
|
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| if (operationResultType == null) { | ||
| return; | ||
| } | ||
|
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| OperationResult returnResult = OperationResult.createOperationResult(operationResultType); | ||
| if (!returnResult.isSuccess()) { | ||
| ValidationError error = new ValidationError(); | ||
| if (returnResult.getUserFriendlyMessage() != null) { | ||
| error.setMessage(WebModelServiceUtils.translateMessage(returnResult, serviceLocator)); | ||
| } else { | ||
| error.setMessage(returnResult.getMessage()); | ||
| } | ||
| validatable.error(error); | ||
| } | ||
|
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| } | ||
|
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| protected <O extends ObjectType> O getObjectType() { | ||
| return null; | ||
| } | ||
|
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| protected Object getValueToValidate(IValidatable<T> validatable) { | ||
| return validatable.getValue(); | ||
| } | ||
|
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| } |