/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ package org.apache.synapse.commons.evaluators.config; import org.apache.synapse.commons.evaluators.Evaluator; import org.apache.synapse.commons.evaluators.EvaluatorException; import org.apache.synapse.commons.evaluators.MatchEvaluator; import org.apache.synapse.commons.evaluators.EvaluatorConstants; import org.apache.synapse.commons.evaluators.source.SourceTextRetriever; import org.apache.axiom.om.OMElement; import org.apache.axiom.om.OMAttribute; import javax.xml.namespace.QName; import java.util.regex.Pattern; /** * This Factory creates a {@link MatchEvaluator} using the following XML configuration.</p> * * <pre> * <match type="header | param | url" source="" regex=""/> * </pre> */ public class MatchFactory extends TextProcessingEvaluatorFactory { public Evaluator create(OMElement e) throws EvaluatorException { MatchEvaluator equal = new MatchEvaluator(); SourceTextRetriever textRetriever = getSourceTextRetriever(e); equal.setTextRetriever(textRetriever); OMAttribute regExAttr = e.getAttribute(new QName(EvaluatorConstants.REGEX)); if (regExAttr == null) { handleException(EvaluatorConstants.REGEX + " attribute is required"); return null; } equal.setRegex(Pattern.compile(regExAttr.getAttributeValue())); return equal; } }