| /* |
| * 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.cas.impl; |
| |
| import java.util.ArrayList; |
| |
| import org.apache.uima.cas.FSMatchConstraint; |
| import org.apache.uima.cas.FSStringConstraint; |
| import org.apache.uima.cas.Feature; |
| import org.apache.uima.cas.FeatureStructure; |
| |
| /** |
| * Implement an embedded String constraint. |
| * |
| * |
| * @version $Revision: 1.2 $ |
| */ |
| class StringConstraint extends PathConstraint implements FSMatchConstraint { |
| |
| private static final long serialVersionUID = 1443969254449621891L; |
| |
| private FSStringConstraint stringConstraint; |
| |
| private StringConstraint() { |
| super(); |
| } |
| |
| // StringConstraint(FeaturePath path, FSStringConstraint cons) { |
| // super(path); |
| // this.stringConstraint = cons; |
| // } |
| |
| StringConstraint(ArrayList path, FSStringConstraint cons) { |
| super(path); |
| this.stringConstraint = cons; |
| } |
| |
| public boolean match(FeatureStructure fs) { |
| // compile(((FeatureStructureImpl) fs).getCAS().getTypeSystem()); |
| final int max = this.featNames.size() - 1; // The last position in the |
| // path! |
| if (max < 0) { |
| // If the path is empty, we can't get a string, and therefore the |
| // constraint is not satisfied. |
| return false; |
| } |
| Feature feat; |
| for (int i = 0; i < max; i++) { |
| feat = fs.getType().getFeatureByBaseName((String) this.featNames.get(i)); |
| if (feat == null) { |
| return false; |
| } |
| fs = fs.getFeatureValue(feat); |
| } |
| feat = fs.getType().getFeatureByBaseName((String) this.featNames.get(max)); |
| if (feat == null) { |
| return false; |
| } |
| return this.stringConstraint.match(fs.getStringValue(feat)); |
| } |
| |
| public String toString() { |
| return super.toString() + " " + this.stringConstraint.toString(); |
| } |
| |
| } |