+++ /dev/null
-/*-
- * ============LICENSE_START=======================================================
- * ECOMP-PDP
- * ================================================================================
- * Copyright (C) 2017 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.openecomp.policy.xacml.pdp.std.functions;
-
-
-import java.util.List;
-
-import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
-import org.openecomp.policy.common.logging.flexlogger.Logger;
-
-import com.att.research.xacml.api.DataType;
-import com.att.research.xacml.api.DataTypeException;
-import com.att.research.xacml.api.Identifier;
-import com.att.research.xacml.std.StdStatus;
-import com.att.research.xacml.std.StdStatusCode;
-import com.att.research.xacml.std.datatypes.DataTypes;
-import com.att.research.xacmlatt.pdp.eval.EvaluationContext;
-import com.att.research.xacmlatt.pdp.policy.ExpressionResult;
-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;
-
-/**
- * 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.
- *
- *
- * @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;
- }
-
- }
-}
Code Review / policy / engine.git / blobdiff