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-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/GroupMapValidationResult.java163
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/GroupValidationResult.java324
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterConstants.java45
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterException.java15
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterGroup.java (renamed from common-parameters/src/main/java/org/onap/policy/common/parameters/AbstractParameters.java)39
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterRuntimeException.java12
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterService.java87
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidationResult.java110
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/ValidationResult.java78
-rw-r--r--common-parameters/src/main/java/org/onap/policy/common/parameters/ValidationStatus.java (renamed from common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidator.java)22
10 files changed, 811 insertions, 84 deletions
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/GroupMapValidationResult.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/GroupMapValidationResult.java
new file mode 100644
index 00000000..09cdc1de
--- /dev/null
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/GroupMapValidationResult.java
@@ -0,0 +1,163 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2018 Ericsson. 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.reflect.Field;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+/**
+ * This class holds the result of the validation of a map of parameter groups.
+ */
+public class GroupMapValidationResult implements ValidationResult {
+ // The name of the parameter group map
+ final String mapParameterName;
+
+ // Validation status for the entire parameter class
+ private ValidationStatus status = ValidationStatus.CLEAN;
+ private String message = ParameterConstants.PARAMETER_GROUP_MAP_HAS_STATUS_MESSAGE + status.toString();
+
+ // Validation results for each parameter in the group
+ private final Map<String, ValidationResult> validationResultMap = new LinkedHashMap<>();
+
+ /**
+ * Constructor, create the group map validation result.
+ *
+ * @param field the map parameter field
+ * @param mapObject the value of the map parameter field
+ */
+ protected GroupMapValidationResult(final Field field, final Object mapObject) {
+ this.mapParameterName = field.getName();
+
+ // Cast the map object to a map of parameter groups keyed by string, we can't type check maps
+ // due to restrictions on generics so we have to check each entry key is a string and each entry
+ // value is a parameter group
+ @SuppressWarnings("unchecked")
+ Map<String, ParameterGroup> parameterGroupMap = (Map<String, ParameterGroup>) mapObject;
+
+ // Add a validation result per map entry
+ for (Entry<String, ParameterGroup> parameterGroupMapEntry : parameterGroupMap.entrySet()) {
+ // Create a validation status entry for the map
+ validationResultMap.put(parameterGroupMapEntry.getKey(),
+ new GroupValidationResult(parameterGroupMapEntry.getValue()));
+ }
+ }
+
+ /**
+ * Gets the name of the parameter being validated.
+ *
+ * @return the name
+ */
+ @Override
+ public String getName() {
+ return mapParameterName;
+ }
+
+ /**
+ * Gets the status of validation.
+ *
+ * @return the status
+ */
+ @Override
+ public ValidationStatus getStatus() {
+ return status;
+ }
+
+ /**
+ * Set the validation result on on a parameter group.
+ *
+ * @param status The validation status the field is receiving
+ * @param message The validation message explaining the validation status
+ */
+ @Override
+ public void setResult(ValidationStatus status, String message) {
+ setResult(status);
+ this.message = message;
+ }
+
+ /**
+ * Set the validation result on on a parameter group.
+ *
+ * @param status The validation status the field is receiving
+ */
+ public void setResult(final ValidationStatus status) {
+ // We record the most serious validation status, assuming the status enum ordinals
+ // increase in order of severity
+ if (this.status.ordinal() < status.ordinal()) {
+ this.status = status;
+ this.message = ParameterConstants.PARAMETER_GROUP_HAS_STATUS_MESSAGE + status.toString();
+ }
+ }
+
+ /**
+ * Set the validation result on a parameter map entry.
+ *
+ * @param entryName The name of the parameter map entry
+ * @param mapEntryValidationResult The validation result for the entry
+ */
+ public void setResult(String entryName, ValidationResult mapEntryValidationResult) {
+ ValidationResult validationResult = validationResultMap.get(entryName);
+ if (validationResult == null) {
+ throw new ParameterRuntimeException("no entry with name \"" + entryName + "\" exists");
+ }
+
+ // Set the status of the parameter group and replace the field result
+ validationResultMap.put(entryName, mapEntryValidationResult);
+ this.setResult(status);
+ }
+
+ /**
+ * Gets the validation result.
+ *
+ * @param initialIndentation the indentation to use on the main result output
+ * @param subIndentation the indentation to use on sub parts of the result output
+ * @param showClean output information on clean fields
+ * @return the result
+ */
+ @Override
+ public String getResult(final String initialIndentation, final String subIndentation, final boolean showClean) {
+ if (status == ValidationStatus.CLEAN && !showClean) {
+ return null;
+ }
+
+ StringBuilder validationResultBuilder = new StringBuilder();
+
+ validationResultBuilder.append(initialIndentation);
+ validationResultBuilder.append("parameter group map \"");
+ validationResultBuilder.append(mapParameterName);
+ validationResultBuilder.append("\" ");
+ validationResultBuilder.append(status);
+ validationResultBuilder.append(", ");
+ validationResultBuilder.append(message);
+ validationResultBuilder.append('\n');
+
+ for (ValidationResult fieldResult : validationResultMap.values()) {
+ String fieldResultMessage = fieldResult.getResult(initialIndentation + subIndentation, subIndentation,
+ showClean);
+ if (fieldResultMessage != null) {
+ validationResultBuilder.append(fieldResultMessage);
+ }
+ }
+
+ return validationResultBuilder.toString();
+ }
+} \ No newline at end of file
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
new file mode 100644
index 00000000..91c3d145
--- /dev/null
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/GroupValidationResult.java
@@ -0,0 +1,324 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2018 Ericsson. 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.reflect.Field;
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+
+/**
+ * This class holds the result of the validation of a parameter group.
+ */
+public class GroupValidationResult implements ValidationResult {
+ // The parameter group which the validation result applies
+ private final ParameterGroup parameterGroup;
+
+ // Validation status for the entire parameter class
+ private ValidationStatus status = ValidationStatus.CLEAN;
+ private String message = ParameterConstants.PARAMETER_GROUP_HAS_STATUS_MESSAGE + status.toString();
+
+ // Validation results for each parameter in the group
+ private final Map<String, ValidationResult> validationResultMap = new LinkedHashMap<>();
+
+ /**
+ * Constructor, create the field validation result with default arguments.
+ *
+ * @param parameterGroup the parameter group being validated
+ */
+ public GroupValidationResult(final ParameterGroup parameterGroup) {
+ this.parameterGroup = parameterGroup;
+
+ // Add a validation result per field
+ for (Field field : parameterGroup.getClass().getDeclaredFields()) {
+ // Exclude system fields
+ if (field.getName().startsWith("$") || field.getName().startsWith("_")) {
+ continue;
+ }
+
+ // Make the field accessible
+ boolean savedAccessibilityValue = field.isAccessible();
+ field.setAccessible(true);
+
+ try {
+ // Set the validation result
+ validationResultMap.put(field.getName(), getValidationResult(field, parameterGroup));
+ } catch (IllegalArgumentException | IllegalAccessException e) {
+ throw new ParameterRuntimeException("could not get value of parameter \"" + field.getName() + "\"", e);
+ } finally {
+ field.setAccessible(savedAccessibilityValue);
+ }
+ }
+ }
+
+ /**
+ * Construct a validation result for a field
+ *
+ * @param field The parameter field
+ * @param ParameterGroup The parameter group containing the field
+ * @return the validation result
+ * @throws IllegalAccessException on accessing private fields
+ */
+ private ValidationResult getValidationResult(final Field field, final ParameterGroup parameterGroup)
+ throws IllegalAccessException {
+ final String fieldName = field.getName();
+ final Class<?> fieldType = field.getType();
+ final Object fieldObject = field.get(parameterGroup);
+
+ // Nested parameter groups are allowed
+ if (ParameterGroup.class.isAssignableFrom(fieldType)) {
+ return new GroupValidationResult((ParameterGroup) field.get(parameterGroup));
+ }
+
+ // Nested maps of parameter groups are allowed
+ if (Map.class.isAssignableFrom(field.getType())) {
+ checkMapIsParameterGroupMap(fieldName, fieldObject);
+ return new GroupMapValidationResult(field, fieldObject);
+ }
+
+ // Collections of parameter groups are not allowed
+ if (Collection.class.isAssignableFrom(field.getType())) {
+ checkCollection4ParameterGroups(fieldName, fieldObject);
+ return new ParameterValidationResult(field, fieldObject);
+ }
+
+ // It's a regular parameter
+ return new ParameterValidationResult(field, fieldObject);
+ }
+
+ /**
+ * 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
+ */
+ private void checkMapIsParameterGroupMap(String fieldName, Object mapObject) {
+ if (mapObject == null) {
+ throw new ParameterRuntimeException("map parameter \"" + fieldName + "\" is null");
+ }
+
+ Map<?, ?> incomingMap = (Map<?, ?>) mapObject;
+
+ for (Entry<?, ?> mapEntry : incomingMap.entrySet()) {
+ // Check the key is a string
+ if (!String.class.isAssignableFrom(mapEntry.getKey().getClass())) {
+ throw new ParameterRuntimeException("map entry is not a parameter group keyed by a string, key \""
+ + mapEntry.getKey() + "\" in map \"" + fieldName + "\" is not a string");
+ }
+
+ // Check the value is a parameter group
+ if (!ParameterGroup.class.isAssignableFrom(mapEntry.getValue().getClass())) {
+ throw new ParameterRuntimeException("map entry is not a parameter group keyed by a string, value \""
+ + mapEntry.getValue() + "\" in map \"" + fieldName + "\" is not a parameter group");
+ }
+ }
+ }
+
+ /**
+ * Check if this field contains parameter groups.
+ *
+ * @param fieldName the name of the collection field.
+ * @param collectionObject the collection object to check
+ */
+ private void checkCollection4ParameterGroups(final String fieldName, final Object collectionObject) {
+ if (collectionObject == null) {
+ throw new ParameterRuntimeException("collection parameter \"" + fieldName + "\" is null");
+ }
+
+ Collection<?> collection2Check = (Collection<?>) collectionObject;
+
+ for (Object collectionMember : collection2Check) {
+ if (ParameterGroup.class.isAssignableFrom(collectionMember.getClass())) {
+ throw new ParameterRuntimeException("collection parameter \"" + fieldName + "\" is illegal,"
+ + " parameter groups are not allowed as collection members");
+ }
+ }
+ }
+
+ /**
+ * Gets the parameter group for this validation result.
+ *
+ * @return the parameter class
+ */
+ public ParameterGroup getParameterGroup() {
+ return parameterGroup;
+ }
+
+ /**
+ * Gets the name of the parameter group being validated.
+ *
+ * @return the name
+ */
+ @Override
+ public String getName() {
+ return parameterGroup.getName();
+ }
+
+ /**
+ * Gets the status of validation.
+ *
+ * @return the status
+ */
+ @Override
+ public ValidationStatus getStatus() {
+ return status;
+ }
+
+ /**
+ * Set the validation result on on a parameter group.
+ *
+ * @param status The validation status the parameter group is receiving
+ * @param message The validation message explaining the validation status
+ */
+ @Override
+ public void setResult(ValidationStatus status, String message) {
+ setResult(status);
+ this.message = message;
+ }
+
+ /**
+ * Set the validation result on 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) {
+ //
+ if (this.status.ordinal() < status.ordinal()) {
+ this.status = status;
+ this.message = ParameterConstants.PARAMETER_GROUP_HAS_STATUS_MESSAGE + status.toString();
+ }
+ }
+
+ /**
+ * Set the validation result on a parameter group.
+ *
+ * @param parameterGroupName The name of the parameter group
+ * @param status The validation status the field is receiving
+ * @param message The validation message explaining the validation status
+ */
+ public void setResult(final String parameterGroupName, final ValidationStatus status, final String message) {
+ ParameterValidationResult parameterValidationResult;
+ try {
+ parameterValidationResult = (ParameterValidationResult) validationResultMap.get(parameterGroupName);
+ } catch (ClassCastException e) {
+ throw new ParameterRuntimeException("parameter not a regular parameter: " + parameterGroupName, e);
+ }
+
+ if (parameterValidationResult == null) {
+ throw new ParameterRuntimeException(
+ "no regular parameter field exists for parameter: " + parameterGroupName);
+ }
+
+ // Set the status of the parameter group and the field
+ parameterValidationResult.setResult(status, message);
+ this.setResult(status);
+ }
+
+ /**
+ * 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
+ */
+ public void setResult(String parameterName, ValidationResult nestedValidationResult) {
+ GroupValidationResult groupValidationResult;
+ try {
+ groupValidationResult = (GroupValidationResult) validationResultMap.get(parameterName);
+ } catch (ClassCastException e) {
+ throw new ParameterRuntimeException("parameter is not a nested group parameter: " + parameterName, e);
+ }
+
+ if (groupValidationResult == null) {
+ throw new ParameterRuntimeException("no nested parameter field exists for parameter: " + parameterName);
+ }
+
+ // Set the status of the parameter group and replace the field result
+ validationResultMap.put(parameterName, nestedValidationResult);
+ this.setResult(status);
+ }
+
+ /**
+ * 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
+ */
+ public void setResult(final String parameterName, final String key,
+ final ValidationResult nestedMapValidationResult) {
+ GroupMapValidationResult groupMapValidationResult;
+ try {
+ groupMapValidationResult = (GroupMapValidationResult) validationResultMap.get(parameterName);
+ } catch (ClassCastException e) {
+ throw new ParameterRuntimeException("parameter is not a nested group map parameter: " + parameterName, e);
+ }
+
+ if (groupMapValidationResult == null) {
+ throw new ParameterRuntimeException("no group map parameter field exists for parameter: " + parameterName);
+ }
+
+ // Set the status of the parameter group and the field
+ groupMapValidationResult.setResult(key, nestedMapValidationResult);
+ this.setResult(status);
+ }
+
+ /**
+ * Gets the validation result.
+ *
+ * @param initialIndentation the indentation to use on the main result output
+ * @param subIndentation the indentation to use on sub parts of the result output
+ * @param showClean output information on clean fields
+ * @return the result
+ */
+ @Override
+ public String getResult(final String initialIndentation, final String subIndentation, final boolean showClean) {
+ if (status == ValidationStatus.CLEAN && !showClean) {
+ return null;
+ }
+
+ StringBuilder validationResultBuilder = new StringBuilder();
+
+ validationResultBuilder.append(initialIndentation);
+ validationResultBuilder.append("parameter group \"");
+ validationResultBuilder.append(parameterGroup.getName());
+ validationResultBuilder.append("\" type \"");
+ validationResultBuilder.append(parameterGroup.getClass().getCanonicalName());
+ validationResultBuilder.append("\" ");
+ validationResultBuilder.append(status);
+ validationResultBuilder.append(", ");
+ validationResultBuilder.append(message);
+ validationResultBuilder.append('\n');
+
+ for (ValidationResult fieldResult : validationResultMap.values()) {
+ String fieldResultMessage = fieldResult.getResult(initialIndentation + subIndentation, subIndentation,
+ showClean);
+ if (fieldResultMessage != null) {
+ validationResultBuilder.append(fieldResultMessage);
+ }
+ }
+
+ return validationResultBuilder.toString();
+ }
+} \ No newline at end of file
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterConstants.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterConstants.java
new file mode 100644
index 00000000..240b1f40
--- /dev/null
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterConstants.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2018 Ericsson. 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;
+
+/**
+ * This static class holds the values of constants for parameter handling.
+ */
+public final class ParameterConstants {
+ // Indentation is 0 on the left and 2 for each level of hierarchy
+ public static final String DEFAULT_INITIAL_RESULT_INDENTATION = "";
+ public static final String DEFAULT_RESULT_INDENTATION = " ";
+
+ // By default we do not show validation results for parameters that are validated as clean
+ public static final boolean DO_NOT_SHOW_CLEAN_RESULTS = false;
+
+ // Messages for clean validations
+ public static final String PARAMETER_GROUP_HAS_STATUS_MESSAGE = "parameter group has status ";
+ public static final String PARAMETER_GROUP_MAP_HAS_STATUS_MESSAGE = "parameter group map has status ";
+ public static final String PARAMETER_HAS_STATUS_MESSAGE = "parameter has status ";
+
+ /**
+ * Private constructor to prevent subclassing.
+ */
+ private ParameterConstants() {
+ // Private constructor to prevent subclassing
+ }
+} \ No newline at end of file
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterException.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterException.java
index 129d5390..3a6e17e8 100644
--- a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterException.java
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterException.java
@@ -55,21 +55,21 @@ public class ParameterException extends Exception {
* Instantiates a new parameter exception.
*
* @param message the message on the exception
- * @param e the exception that caused this parameter exception
+ * @param exception the exception that caused this parameter exception
*/
- public ParameterException(final String message, final Exception e) {
- this(message, e, null);
+ public ParameterException(final String message, final Exception exception) {
+ this(message, exception, null);
}
/**
* Instantiates a new parameter exception.
*
* @param message the message on the exception
- * @param e the exception that caused this parameter exception
+ * @param exception the exception that caused this parameter exception
* @param object the object that the exception was thrown on
*/
- public ParameterException(final String message, final Exception e, final Object object) {
- super(message, e);
+ public ParameterException(final String message, final Exception exception, final Object object) {
+ super(message, exception);
this.object = object;
}
@@ -83,7 +83,7 @@ public class ParameterException extends Exception {
}
/**
- * Build a cascaded message from an exception and all its nested exceptions
+ * Build a cascaded message from an exception and all its nested exceptions.
*
* @param throwable the top level exception
* @return cascaded message string
@@ -101,7 +101,6 @@ public class ParameterException extends Exception {
}
/**
- *
* Get the object on which the exception was thrown.
*
* @return The object on which the exception was thrown
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/AbstractParameters.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterGroup.java
index 5430dfeb..48e8379f 100644
--- a/common-parameters/src/main/java/org/onap/policy/common/parameters/AbstractParameters.java
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterGroup.java
@@ -1,5 +1,4 @@
-package org.onap.policy.common.parameters;
-/*
+/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* ================================================================================
@@ -19,29 +18,35 @@ package org.onap.policy.common.parameters;
* ============LICENSE_END=========================================================
*/
+package org.onap.policy.common.parameters;
+
/**
- * This class defines an abstract parameter interface that acts as a base interface for all parameters in the ONAP
- * Policy Framework. All parameter POJOs are subclass of the abstract parameter class and can be used with the
- * {@link ParameterService}.
+ * This interface acts as a base interface for all parameter groups in the ONAP Policy Framework. All parameter group
+ * POJOs are implementations of the parameter group interface and can be used with the {@link ParameterService}.
*
* @author Liam Fallon (liam.fallon@ericsson.com)
*/
-public interface AbstractParameters {
+public interface ParameterGroup {
/**
- * Gets the parameter class.
- *
- * @return the parameter class
+ * Get the group name.
+ *
+ * @return the group name
*/
- default Class<? extends AbstractParameters> getParameterClass() {
- return this.getClass();
- }
+ public String getName();
+
+ /**
+ * Validate parameters.
+ *
+ * @return the result of the parameter validation
+ */
+ GroupValidationResult validate();
/**
- * Gets the parameter class name.
- *
- * @return the parameter class name
+ * Check if the parameters are valid.
+ *
+ * @return true if the parameters are valid
*/
- default String getParameterClassName() {
- return this.getClass().getCanonicalName();
+ default boolean isValid() {
+ return validate().getStatus().isValid();
}
}
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterRuntimeException.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterRuntimeException.java
index 4b7d5874..071593a9 100644
--- a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterRuntimeException.java
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterRuntimeException.java
@@ -55,21 +55,21 @@ public class ParameterRuntimeException extends RuntimeException {
* Instantiates a new parameter runtime exception.
*
* @param message the message on the exception
- * @param e the exception that caused this parameter exception
+ * @param exception the exception that caused this parameter exception
*/
- public ParameterRuntimeException(final String message, final Exception e) {
- this(message, e, null);
+ public ParameterRuntimeException(final String message, final Exception exception) {
+ this(message, exception, null);
}
/**
* Instantiates a new parameter runtime exception.
*
* @param message the message on the exception
- * @param e the exception that caused this parameter exception
+ * @param exception the exception that caused this parameter exception
* @param object the object that the exception was thrown on
*/
- public ParameterRuntimeException(final String message, final Exception e, final Object object) {
- super(message, e);
+ public ParameterRuntimeException(final String message, final Exception exception, final Object object) {
+ super(message, exception);
this.object = object;
}
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterService.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterService.java
index f411937d..db6995c5 100644
--- a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterService.java
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterService.java
@@ -1,5 +1,4 @@
-package org.onap.policy.common.parameters;
-/*
+/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* ================================================================================
@@ -19,25 +18,27 @@ package org.onap.policy.common.parameters;
* ============LICENSE_END=========================================================
*/
+package org.onap.policy.common.parameters;
+
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/**
- * The parameter service makes ONAP PF parameters available to all classes in a JVM.
- *
- * The reason for having a parameter service is to avoid having to pass parameters down long call chains in modules such
- * as PDPs and editors. The parameter service makes correct and verified parameters available statically.
- *
- * The parameter service must be used with care because changing a parameter set anywhere in a JVM will affect all users
- * of those parameters anywhere in the JVM.
+ * The parameter service makes ONAP PF parameter groups available to all classes in a JVM.
+ *
+ * <p>The reason for having a parameter service is to avoid having to pass parameters down long call chains in modules
+ * such as PDPs and editors. The parameter service makes correct and verified parameters available statically.
+ *
+ * <p>The parameter service must be used with care because changing a parameter set anywhere in a JVM will affect all
+ * users of those parameters anywhere in the JVM.
*
* @author Liam Fallon (liam.fallon@ericsson.com)
*/
public abstract class ParameterService {
// The map holding the parameters
- private static Map<Class<? extends AbstractParameters>, AbstractParameters> parameterMap = new ConcurrentHashMap<>();
+ private static Map<String, ParameterGroup> parameterGroupMap = new ConcurrentHashMap<>();
/**
* This class is an abstract static class that cannot be extended.
@@ -46,69 +47,71 @@ public abstract class ParameterService {
}
/**
- * Register parameters with the parameter service.
+ * Register a parameter group with the parameter service.
*
- * @param <P> the generic type
- * @param parametersClass the class of the parameter, used to index the parameter
- * @param parameters the parameters
+ * @param parameterGroup the parameter group
*/
- public static <P extends AbstractParameters> void registerParameters(final P parameters) {
- parameterMap.put(parameters.getClass(), parameters);
+ public static void register(final ParameterGroup parameterGroup) {
+ if (!parameterGroupMap.containsKey(parameterGroup.getName())) {
+ parameterGroupMap.put(parameterGroup.getName(), parameterGroup);
+ } else {
+ throw new ParameterRuntimeException(
+ "\"" + parameterGroup.getName() + "\" already registered in parameter service");
+ }
}
/**
- * Remove parameters from the parameter service.
+ * Remove a parameter group from the parameter service.
*
- * @param <P> the generic type
- * @param parametersClass the class of the parameter, used to index the parameter
+ * @param parameterGroupName the name of the parameter group
*/
- public static <P extends AbstractParameters> void deregisterParameters(final Class<P> parametersClass) {
- parameterMap.remove(parametersClass);
+ public static void deregister(final String parameterGroupName) {
+ if (parameterGroupMap.containsKey(parameterGroupName)) {
+ parameterGroupMap.remove(parameterGroupName);
+ } else {
+ throw new ParameterRuntimeException("\"" + parameterGroupName + "\" not registered in parameter service");
+ }
}
/**
- * Get parameters from the parameter service.
+ * Get a parameter group from the parameter service.
*
- * @param <P> the generic type
- * @param parametersClass the class of the parameter, used to index the parameter
- * @return The parameter
+ * @param parameterGroupName the name of the parameter group
+ * @return The parameter group
*/
- @SuppressWarnings("unchecked")
- public static <P extends AbstractParameters> P getParameters(final Class<P> parametersClass) {
- final P parameter = (P) parameterMap.get(parametersClass);
+ public static ParameterGroup get(final String parameterGroupName) {
+ final ParameterGroup parameterGroup = parameterGroupMap.get(parameterGroupName);
- if (parameter == null) {
- throw new ParameterRuntimeException(
- "Parameters for " + parametersClass.getCanonicalName() + " not found in parameter service");
+ if (parameterGroup == null) {
+ throw new ParameterRuntimeException("\"" + parameterGroupName + "\" not found in parameter service");
}
- return parameter;
+ return parameterGroup;
}
/**
- * Check if parameters is defined on the parameter service.
+ * Check if a parameter group is defined on the parameter service.
*
- * @param <P> the generic type
- * @param parametersClass the class of the parameter, used to index the parameter
+ * @param parameterGroupName the name of the parameter group
* @return true if the parameter is defined
*/
- public static <P extends AbstractParameters> boolean existsParameters(final Class<P> parametersClass) {
- return parameterMap.get(parametersClass) != null;
+ public static boolean contains(final String parameterGroupName) {
+ return parameterGroupMap.containsKey(parameterGroupName) && parameterGroupMap.get(parameterGroupName) != null;
}
/**
- * Get all the entries in the parameters map.
+ * Get all parameter groups.
*
* @return The entries
*/
- public static Set<Entry<Class<? extends AbstractParameters>, AbstractParameters>> getAll() {
- return parameterMap.entrySet();
+ public static Set<Entry<String, ParameterGroup>> getAll() {
+ return parameterGroupMap.entrySet();
}
/**
- * Clear all parameters in the parameter service.
+ * Clear all parameter groups in the parameter service.
*/
public static void clear() {
- parameterMap.clear();
+ parameterGroupMap.clear();
}
}
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
new file mode 100644
index 00000000..9c829f4b
--- /dev/null
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidationResult.java
@@ -0,0 +1,110 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2018 Ericsson. 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.reflect.Field;
+
+/**
+ * This class holds the result of the validation of a parameter.
+ */
+public class ParameterValidationResult implements ValidationResult {
+ // The field and value of the parameter to which the validation result applies
+ private final Field field;
+ private final Object parameterValue;
+
+ // Validation status and message
+ private ValidationStatus status = ValidationStatus.CLEAN;
+ private String message = ParameterConstants.PARAMETER_HAS_STATUS_MESSAGE + status.toString();
+
+ /**
+ * Constructor, create validation result for a parameter with default arguments.
+ *
+ * @param field the parameter field
+ * @param parameterValue the value of the parameter field
+ */
+ protected ParameterValidationResult(final Field field, final Object parameterValue) {
+ this.field = field;
+ this.parameterValue = parameterValue;
+ }
+
+ /**
+ * Gets the name of the parameter being validated.
+ *
+ * @return the name
+ */
+ @Override
+ public String getName() {
+ return field.getName();
+ }
+
+ /**
+ * Gets the validation status.
+ *
+ * @return the validation status
+ */
+ @Override
+ public ValidationStatus getStatus() {
+ return status;
+ }
+
+ /**
+ * 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;
+ }
+
+ /**
+ * Gets the validation result.
+ *
+ * @param initialIndentation the result indentation
+ * @param subIndentation the indentation to use on sub parts of the result output
+ * @param showClean output information on clean fields
+ * @return the result
+ */
+ @Override
+ public String getResult(final String initialIndentation, final String subIndentation, final boolean showClean) {
+ if (status == ValidationStatus.CLEAN && !showClean) {
+ return null;
+ }
+
+ StringBuilder validationResultBuilder = new StringBuilder();
+
+ validationResultBuilder.append(initialIndentation);
+ validationResultBuilder.append("field \"");
+ validationResultBuilder.append(getName());
+ validationResultBuilder.append("\" type \"");
+ validationResultBuilder.append(field.getType().getCanonicalName());
+ validationResultBuilder.append("\" value \"");
+ validationResultBuilder.append(parameterValue);
+ validationResultBuilder.append("\" ");
+ validationResultBuilder.append(getStatus());
+ validationResultBuilder.append(", ");
+ validationResultBuilder.append(message);
+ validationResultBuilder.append('\n');
+
+ return validationResultBuilder.toString();
+ }
+}
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/ValidationResult.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ValidationResult.java
new file mode 100644
index 00000000..b97ccda0
--- /dev/null
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ValidationResult.java
@@ -0,0 +1,78 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2018 Ericsson. 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;
+
+/**
+ * This interface defines the result of a parameter validation.
+ */
+public interface ValidationResult {
+ /**
+ * Gets the name of the entity being validated.
+ *
+ * @return the name
+ */
+ public String getName();
+
+ /**
+ * Gets the status of validation.
+ *
+ * @return the status
+ */
+ public ValidationStatus getStatus();
+
+ /**
+ * Checks if the result is valid.
+ *
+ * @return true, if is valid
+ */
+ default boolean isValid() {
+ return getStatus().isValid();
+ }
+
+ /**
+ * Gets the validation result.
+ *
+ * @return the full validation result
+ */
+ default String getResult() {
+ return getResult(
+ ParameterConstants.DEFAULT_INITIAL_RESULT_INDENTATION,
+ ParameterConstants.DEFAULT_RESULT_INDENTATION,
+ ParameterConstants.DO_NOT_SHOW_CLEAN_RESULTS);
+ }
+
+ /**
+ * Gets the validation result.
+ *
+ * @param initialIndentation the indentation to use on the main result output
+ * @param subIndentation the indentation to use on sub parts of the result output
+ * @param showClean output information on clean fields
+ * @return the result
+ */
+ public String getResult(final String initialIndentation, final String subIndentation, final boolean showClean);
+
+ /**
+ * Set a validation result.
+ * @param status The validation status the field is receiving
+ * @param message The validation message explaining the validation status
+ */
+ public void setResult(final ValidationStatus status, final String message);
+} \ No newline at end of file
diff --git a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidator.java b/common-parameters/src/main/java/org/onap/policy/common/parameters/ValidationStatus.java
index 0d718267..ff453a1b 100644
--- a/common-parameters/src/main/java/org/onap/policy/common/parameters/ParameterValidator.java
+++ b/common-parameters/src/main/java/org/onap/policy/common/parameters/ValidationStatus.java
@@ -20,17 +20,17 @@
package org.onap.policy.common.parameters;
-/**
- * This interface is implemented by ONAP PF parameter classes so that they can be validated.
- *
- * @author Liam Fallon (liam.fallon@ericsson.com)
- */
-public interface ParameterValidator {
+public enum ValidationStatus {
+ CLEAN,
+ OBSERVATION,
+ WARNING,
+ INVALID;
+
/**
- * Validate a parameter java bean, if the parameter bean is valid, an empty string is returned,
- * otherwise the string gives details of the invalid parameters.
- *
- * @return the string with validation errors
+ * The result of a validation is valid unless the status is INVALID.
+ * @return true if the validation has passed
*/
- String validate();
+ public boolean isValid() {
+ return !this.equals(INVALID);
+ }
}