diff options
Diffstat (limited to 'common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidationResult.java')
-rw-r--r-- | common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidationResult.java | 62 |
1 files changed, 55 insertions, 7 deletions
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidationResult.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidationResult.java index 9c829f4b..e43c2d17 100644 --- a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidationResult.java +++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidationResult.java @@ -1,26 +1,31 @@ -/*- +/* * ============LICENSE_START======================================================= * Copyright (C) 2018 Ericsson. All rights reserved. + * Modifications Copyright (C) 2019 AT&T Intellectual Property. All rights reserved. * ================================================================================ * 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-License-Identifier: Apache-2.0 * ============LICENSE_END========================================================= */ package org.onap.policy.common.parameters; +import java.lang.annotation.Annotation; import java.lang.reflect.Field; +import org.onap.policy.common.parameters.annotations.Min; +import org.onap.policy.common.parameters.annotations.NotBlank; +import org.onap.policy.common.parameters.annotations.NotNull; /** * This class holds the result of the validation of a parameter. @@ -43,6 +48,47 @@ public class ParameterValidationResult implements ValidationResult { protected ParameterValidationResult(final Field field, final Object parameterValue) { this.field = field; this.parameterValue = parameterValue; + + if (parameterValue == null && getAnyAnnotation(field, NotNull.class) != null) { + setResult(ValidationStatus.INVALID, "is null"); + + } else if (parameterValue instanceof String && getAnyAnnotation(field, NotBlank.class) != null + && parameterValue.toString().trim().isEmpty()) { + setResult(ValidationStatus.INVALID, "must be a non-blank string"); + + } else if (parameterValue instanceof Number) { + Min minAnnot = field.getAnnotation(Min.class); + if (minAnnot != null && ((Number) parameterValue).longValue() < minAnnot.value()) { + setResult(ValidationStatus.INVALID, "must be >= " + minAnnot.value()); + } + } + } + + /** + * Gets an annotation for a field, first checking the field, itself, and then checking + * at the class level for the current and superclasses. + * + * @param field field of interest + * @param annotClass class of annotation that is desired + * @return the field's annotation, or {@code null} if it does not exist + */ + private static <T extends Annotation> T getAnyAnnotation(final Field field, Class<T> annotClass) { + T annot = field.getAnnotation(annotClass); + if (annot != null) { + return annot; + } + + // check class level + Class<?> clazz = field.getDeclaringClass(); + while (clazz != Object.class) { + if ((annot = clazz.getAnnotation(annotClass)) != null) { + return annot; + } + + clazz = clazz.getSuperclass(); + } + + return null; } /** @@ -66,14 +112,16 @@ public class ParameterValidationResult implements ValidationResult { } /** - * Set the validation result on on a parameter field. + * Set the validation result on on a parameter field. * @param status The validation status the field is receiving * @param message The validation message explaining the validation status */ @Override public void setResult(final ValidationStatus status, final String message) { - this.status = status; - this.message = message; + if (this.status == ValidationStatus.CLEAN) { + this.status = status; + this.message = message; + } } /** |