diff options
Diffstat (limited to 'common-parameters/src/main/java/org/onap')
5 files changed, 214 insertions, 31 deletions
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/GroupValidationResult.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/GroupValidationResult.java index 283f36b9..6da36c19 100644 --- a/common-parameters/src/main/java/org/onap/policy/common/parameters/GroupValidationResult.java +++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/GroupValidationResult.java @@ -1,20 +1,20 @@ -/*- +/* * ============LICENSE_START======================================================= * Copyright (C) 2018 Ericsson. All rights reserved. - * Modifications Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. + * Modifications Copyright (C) 2018-2019 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========================================================= */ @@ -66,7 +66,7 @@ public class GroupValidationResult implements ValidationResult { // Check if a validation result should be added for this declared field if (isIncludedField(field)) { // Set a validation result for the field - validationResultMap.put(field.getName(), getValidationResult(field, parameterGroup)); + validationResultMap.put(field.getName(), getSetValidationResult(field, parameterGroup)); } } @@ -75,13 +75,29 @@ public class GroupValidationResult implements ValidationResult { // Check if a validation result should be added for this declared field if (isIncludedField(field)) { // Set a validation result for the field - validationResultMap.putIfAbsent(field.getName(), getValidationResult(field, parameterGroup)); + validationResultMap.putIfAbsent(field.getName(), getSetValidationResult(field, parameterGroup)); } } } + + /** + * Construct a validation result for a field, updating "this" status. + * + * @param field The parameter field + * @param ParameterGroup The parameter group containing the field + * @return the validation result + * @throws Exception on accessing private fields + */ + private ValidationResult getSetValidationResult(Field field, ParameterGroup parameterGroup) { + ValidationResult result = getValidationResult(field, parameterGroup); + setResult(result.getStatus()); + + return result; + } + /** * Construct a validation result for a field. - * + * * @param field The parameter field * @param ParameterGroup The parameter group containing the field * @return the validation result @@ -92,6 +108,12 @@ public class GroupValidationResult implements ValidationResult { final Class<?> fieldType = field.getType(); final Object fieldObject = getObjectField(parameterGroup, field); + // perform null checks + ParameterValidationResult result = new ParameterValidationResult(field, fieldObject); + if (!result.isValid()) { + return result; + } + // Nested parameter groups are allowed if (ParameterGroup.class.isAssignableFrom(fieldType)) { return new GroupValidationResult((ParameterGroup) fieldObject); @@ -106,16 +128,16 @@ public class GroupValidationResult implements ValidationResult { // Collections of parameter groups are not allowed if (Collection.class.isAssignableFrom(field.getType())) { checkCollection4ParameterGroups(fieldName, fieldObject); - return new ParameterValidationResult(field, fieldObject); + return result; } // It's a regular parameter - return new ParameterValidationResult(field, fieldObject); + return result; } /** * Get the value of a field in an object using a getter found with reflection. - * + * * @param targetObject The object on which to read the field value * @param fieldName The name of the field * @return The field value @@ -156,7 +178,7 @@ public class GroupValidationResult implements ValidationResult { /** * Check if this field is a map of parameter groups indexed by string keys. - * + * * @param fieldName the name of the collection field. * @param mapObject the map object to check */ @@ -184,7 +206,7 @@ public class GroupValidationResult implements ValidationResult { /** * Check if this field contains parameter groups. - * + * * @param fieldName the name of the collection field. * @param collectionObject the collection object to check */ @@ -234,7 +256,7 @@ public class GroupValidationResult implements ValidationResult { /** * Set the validation result on a parameter group. - * + * * @param status The validation status the parameter group is receiving * @param message The validation message explaining the validation status */ @@ -247,7 +269,7 @@ public class GroupValidationResult implements ValidationResult { /** * Set the validation result on a parameter group. On a sequence of calls, the most serious validation status is * recorded, assuming the status enum ordinal increase in order of severity - * + * * @param status The validation status the parameter group is receiving */ public void setResult(final ValidationStatus status) { @@ -260,7 +282,7 @@ public class GroupValidationResult implements ValidationResult { /** * Set the validation result on a parameter in a parameter group. - * + * * @param parameterName The name of the parameter * @param status The validation status the field is receiving * @param message The validation message explaining the validation status @@ -281,7 +303,7 @@ public class GroupValidationResult implements ValidationResult { /** * Set the validation result on a nested parameter group. - * + * * @param parameterName The name of the parameter field * @param nestedValidationResult The validation result from a nested field */ @@ -304,7 +326,7 @@ public class GroupValidationResult implements ValidationResult { /** * Set the validation result on a nested parameter group map entry. - * + * * @param parameterName The name of the parameter field * @param key The key of the map entry * @param nestedMapValidationResult The validation result from a nested map entry @@ -329,7 +351,7 @@ public class GroupValidationResult implements ValidationResult { /** * Set the validation status on a group map entry. - * + * * @param parameterName The name of the parameter field * @param key The key of the map entry * @param status The validation status of the entry @@ -395,11 +417,11 @@ public class GroupValidationResult implements ValidationResult { return validationResultBuilder.toString(); } - + /** * Check if a field should be included for validation. - * + * * @param field the field to check for inclusion * @return true of the field should be included */ @@ -425,11 +447,11 @@ public class GroupValidationResult implements ValidationResult { superclassFields.add(field); } } - + // Check the next super class down currentClass = currentClass.getSuperclass(); } - + return superclassFields; } -}
\ No newline at end of file +} 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; + } } /** diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/Min.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/Min.java new file mode 100644 index 00000000..9ad6d7e0 --- /dev/null +++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/Min.java @@ -0,0 +1,39 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.parameters.annotations; + +import static java.lang.annotation.ElementType.FIELD; +import static java.lang.annotation.RetentionPolicy.RUNTIME; + +import java.lang.annotation.Retention; +import java.lang.annotation.Target; + +@Retention(RUNTIME) +@Target(FIELD) +public @interface Min { + + /** + * The minimum value allowed. + * + * @return the minimum value allowed + */ + long value(); +} diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/NotBlank.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/NotBlank.java new file mode 100644 index 00000000..169fa593 --- /dev/null +++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/NotBlank.java @@ -0,0 +1,37 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.parameters.annotations; + +import static java.lang.annotation.ElementType.FIELD; +import static java.lang.annotation.ElementType.TYPE; +import static java.lang.annotation.RetentionPolicy.RUNTIME; + +import java.lang.annotation.Retention; +import java.lang.annotation.Target; + +/** + * Indicates that a field (i.e., String) may not be empty. + */ +@Retention(RUNTIME) +@Target({TYPE, FIELD}) +public @interface NotBlank { + +} diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/NotNull.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/NotNull.java new file mode 100644 index 00000000..3c7bc8b7 --- /dev/null +++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/annotations/NotNull.java @@ -0,0 +1,37 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.parameters.annotations; + +import static java.lang.annotation.ElementType.FIELD; +import static java.lang.annotation.ElementType.TYPE; +import static java.lang.annotation.RetentionPolicy.RUNTIME; + +import java.lang.annotation.Retention; +import java.lang.annotation.Target; + +/** + * Indicates that a field may not be null. + */ +@Retention(RUNTIME) +@Target({TYPE, FIELD}) +public @interface NotNull { + +} |