/* | |
* 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.uima.ruta.condition; | |
import java.util.regex.Matcher; | |
import java.util.regex.Pattern; | |
import org.apache.uima.cas.text.AnnotationFS; | |
import org.apache.uima.ruta.RutaStream; | |
import org.apache.uima.ruta.expression.bool.IBooleanExpression; | |
import org.apache.uima.ruta.expression.bool.SimpleBooleanExpression; | |
import org.apache.uima.ruta.expression.string.IStringExpression; | |
import org.apache.uima.ruta.rule.EvaluatedCondition; | |
import org.apache.uima.ruta.rule.RuleElement; | |
import org.apache.uima.ruta.visitor.InferenceCrowd; | |
public class RegExpCondition extends TerminalRutaCondition { | |
private final IStringExpression pattern; | |
private final IBooleanExpression ignoreCase; | |
private IStringExpression variable; | |
public RegExpCondition(IStringExpression pattern, IBooleanExpression ignoreCase) { | |
super(); | |
this.pattern = pattern; | |
this.ignoreCase = ignoreCase == null ? new SimpleBooleanExpression(false) : ignoreCase; | |
} | |
public RegExpCondition(IStringExpression v, IStringExpression pattern, IBooleanExpression ignoreCase) { | |
this(pattern, ignoreCase); | |
this.variable = v; | |
} | |
@Override | |
public EvaluatedCondition eval(AnnotationFS annotation, RuleElement element, RutaStream stream, | |
InferenceCrowd crowd) { | |
Matcher matcher = null; | |
boolean ignore = ignoreCase == null ? false : ignoreCase.getBooleanValue(element.getParent(), | |
annotation, stream); | |
String stringValue = pattern.getStringValue(element.getParent(), annotation, stream); | |
if (variable == null) { | |
String coveredText = annotation.getCoveredText(); | |
Pattern regularExpPattern = null; | |
if (ignore) { | |
regularExpPattern = Pattern.compile(stringValue, Pattern.MULTILINE + Pattern.DOTALL + Pattern.CASE_INSENSITIVE + Pattern.UNICODE_CASE); | |
} else { | |
regularExpPattern = Pattern.compile(stringValue, Pattern.MULTILINE + Pattern.DOTALL); | |
} | |
matcher = regularExpPattern.matcher(coveredText); | |
} else { | |
String variableValue = variable.getStringValue(element.getParent(), annotation, stream); | |
Pattern regularExpPattern = null; | |
if (ignore) { | |
regularExpPattern = Pattern.compile(stringValue, Pattern.MULTILINE + Pattern.DOTALL + Pattern.CASE_INSENSITIVE + Pattern.UNICODE_CASE); | |
} else { | |
regularExpPattern = Pattern.compile(stringValue, Pattern.MULTILINE + Pattern.DOTALL); | |
} | |
matcher = regularExpPattern.matcher(variableValue); | |
} | |
boolean matches = matcher.matches(); | |
return new EvaluatedCondition(this, matches); | |
} | |
public IStringExpression getPattern() { | |
return pattern; | |
} | |
public IStringExpression getVariable() { | |
return variable; | |
} | |
public IBooleanExpression getIgnoreCase() { | |
return ignoreCase; | |
} | |
} |