diff options
Diffstat (limited to 'ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java')
| -rw-r--r-- | ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java | 191 |
1 files changed, 98 insertions, 93 deletions
diff --git a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java index 590d519cc..a8b0e9d15 100644 --- a/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java +++ b/ONAP-PDP/src/main/java/org/onap/policy/xacml/pdp/std/functions/FunctionDefinitionCustomRegexpMatch.java @@ -2,14 +2,14 @@ * ============LICENSE_START======================================================= * ONAP-PDP * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * Copyright (C) 2017-2018 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. @@ -17,13 +17,8 @@ * limitations under the License. * ============LICENSE_END========================================================= */ -package org.onap.policy.xacml.pdp.std.functions; - - -import java.util.List; -import org.onap.policy.common.logging.flexlogger.FlexLogger; -import org.onap.policy.common.logging.flexlogger.Logger; +package org.onap.policy.xacml.pdp.std.functions; import com.att.research.xacml.api.DataType; import com.att.research.xacml.api.DataTypeException; @@ -37,94 +32,104 @@ import com.att.research.xacmlatt.pdp.policy.FunctionArgument; import com.att.research.xacmlatt.pdp.std.functions.ConvertedArgument; import com.att.research.xacmlatt.pdp.std.functions.FunctionDefinitionBase; +import java.util.List; + +import org.onap.policy.common.logging.flexlogger.FlexLogger; +import org.onap.policy.common.logging.flexlogger.Logger; + /** * FunctionDefinitionCustomRegexMatch implements {@link com.att.research.xacmlatt.pdp.policy.FunctionDefinition} to - * implement the custom 'type'-regex-match predicates as functions taking two arguments, the first of <code>String</code>, - * and the second of the type for that specific predicate as a regular expression, - * and returning a <code>Boolean</code> for whether the regular expression matches the string representation of the first argument. - * - * + * implement the custom 'type'-regex-match predicates as functions taking two arguments, the first of + * <code>String</code>, and the second of the type for that specific predicate as a regular expression, and returning a + * <code>Boolean</code> for whether the regular expression matches the string representation of the first argument. + * + * * @version $Revision: 0.2 $ - * + * * @param <I> the java class for the data type of the function Input arguments */ public class FunctionDefinitionCustomRegexpMatch<I> extends FunctionDefinitionBase<Boolean, I> { - private static Logger logger = FlexLogger.getLogger(FunctionDefinitionCustomRegexpMatch.class); - - /** - * Constructor - need dataTypeArgs input because of java Generic type-erasure during compilation. - * - * @param idIn - * @param dataTypeArgsIn - */ - public FunctionDefinitionCustomRegexpMatch(Identifier idIn, DataType<I> dataTypeArgsIn) { - super(idIn, DataTypes.DT_BOOLEAN, dataTypeArgsIn, false); - } - - - @Override - public ExpressionResult evaluate(EvaluationContext evaluationContext, List<FunctionArgument> arguments) { - - if (arguments == null || arguments.size() != 2) { - return ExpressionResult.newError(new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, this.getShortFunctionId() + " Expected 2 arguments, got " + - ((arguments == null) ? "null" : arguments.size()) )); - } - - // get the regular expression - FunctionArgument regexpArgument = arguments.get(0); - - ConvertedArgument<String> convertedArgument = new ConvertedArgument<>(regexpArgument, DataTypes.DT_STRING, false); - if ( ! convertedArgument.isOk()) { - return ExpressionResult.newError(getFunctionStatus(convertedArgument.getStatus())); - } - - // String regexpValue = (String)regexpArgument.getValue().getValue(); - String regexpValue = convertedArgument.getValue(); - - - // now get the element to match - FunctionArgument elementArgument = arguments.get(1); - - ConvertedArgument<I> convertedElement = new ConvertedArgument<>(elementArgument, this.getDataTypeArgs(), false); - if ( ! convertedElement.isOk()) { - return ExpressionResult.newError(getFunctionStatus(convertedElement.getStatus())); - } - - I elementValueObject = convertedElement.getValue(); - - String elementValueString; - try { - elementValueString = this.getDataTypeArgs().toStringValue(elementValueObject); - } catch (DataTypeException e) { - logger.error(e.getMessage() +e); - String message = e.getMessage(); - if (e.getCause() != null) { - message = e.getCause().getMessage(); - } - return ExpressionResult.newError(new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, this.getShortFunctionId() + " " + message)); - } - - // ConvertedArgument checks for null value, so do not need to do again here - - // Adding this code will Change the Functionality which allows to retrieve Multiple-policy using single request. - elementValueString = elementValueString + regexpValue ; - regexpValue = elementValueString.substring(0,(elementValueString.length()- regexpValue.length())); - elementValueString = elementValueString.substring(regexpValue.length(),(elementValueString.length())); - // - // Supporting multiple values in the element and be able to query them. - if(elementValueString.contains(",")){ - String[] elements = elementValueString.split(","); - for(int i=0; i<elements.length; i++){ - if(elements[i].trim().matches(regexpValue)) { - return ER_TRUE; - } - } - } - if (elementValueString.matches(regexpValue)) { - return ER_TRUE; - } else { - return ER_FALSE; - } - - } + private static Logger logger = FlexLogger.getLogger(FunctionDefinitionCustomRegexpMatch.class); + + /** + * Constructor - need dataTypeArgs input because of java Generic type-erasure during compilation. + * + * @param idIn the identifier + * @param dataTypeArgsIn the data type + */ + public FunctionDefinitionCustomRegexpMatch(final Identifier idIn, final DataType<I> dataTypeArgsIn) { + super(idIn, DataTypes.DT_BOOLEAN, dataTypeArgsIn, false); + } + + + @Override + public ExpressionResult evaluate(final EvaluationContext evaluationContext, + final List<FunctionArgument> arguments) { + + if (arguments == null || arguments.size() != 2) { + return ExpressionResult + .newError(new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, this.getShortFunctionId() + + " Expected 2 arguments, got " + ((arguments == null) ? "null" : arguments.size()))); + } + + // get the regular expression + final FunctionArgument regexpArgument = arguments.get(0); + + final ConvertedArgument<String> convertedArgument = + new ConvertedArgument<>(regexpArgument, DataTypes.DT_STRING, false); + if (!convertedArgument.isOk()) { + return ExpressionResult.newError(getFunctionStatus(convertedArgument.getStatus())); + } + + // String regexpValue = (String)regexpArgument.getValue().getValue(); + String regexpValue = convertedArgument.getValue(); + + + // now get the element to match + final FunctionArgument elementArgument = arguments.get(1); + + final ConvertedArgument<I> convertedElement = + new ConvertedArgument<>(elementArgument, this.getDataTypeArgs(), false); + if (!convertedElement.isOk()) { + return ExpressionResult.newError(getFunctionStatus(convertedElement.getStatus())); + } + + final I elementValueObject = convertedElement.getValue(); + + String elementValueString; + try { + elementValueString = this.getDataTypeArgs().toStringValue(elementValueObject); + } catch (final DataTypeException e) { + logger.error(e.getMessage() + e); + String message = e.getMessage(); + if (e.getCause() != null) { + message = e.getCause().getMessage(); + } + return ExpressionResult.newError(new StdStatus(StdStatusCode.STATUS_CODE_PROCESSING_ERROR, + this.getShortFunctionId() + " " + message)); + } + + // ConvertedArgument checks for null value, so do not need to do again here + + // Adding this code will Change the Functionality which allows to retrieve Multiple-policy using single request. + elementValueString = elementValueString + regexpValue; + regexpValue = elementValueString.substring(0, (elementValueString.length() - regexpValue.length())); + elementValueString = elementValueString.substring(regexpValue.length(), (elementValueString.length())); + // + // Supporting multiple values in the element and be able to query them. + if (elementValueString.contains(",")) { + final String[] elements = elementValueString.split(","); + for (int i = 0; i < elements.length; i++) { + if (elements[i].trim().matches(regexpValue)) { + return ER_TRUE; + } + } + } + if (elementValueString.matches(regexpValue)) { + return ER_TRUE; + } else { + return ER_FALSE; + } + + } } |