| /* |
| * 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 org.apache.uima.cas.FSStringConstraint; |
| |
| /** |
| * Implement the FSStringConstraint interface. Package private. |
| * |
| * |
| * @version $Revision: 1.1 $ |
| */ |
| class FSStringConstraintImpl implements FSStringConstraint { |
| |
| private static final long serialVersionUID = -7167266553385439718L; |
| |
| private String string; |
| |
| /** |
| * Constructor is package private. |
| */ |
| FSStringConstraintImpl() { |
| super(); |
| this.string = ""; |
| } |
| |
| @Override |
| public void equals(String s) { |
| this.string = s; |
| } |
| |
| @Override |
| public boolean match(String s) { |
| if (this.string == null) { |
| return (s == null); |
| } |
| return (this.string.equals(s)); |
| } |
| |
| @Override |
| public String toString() { |
| // need to escape quotes and backslashes |
| StringBuffer buf = new StringBuffer(); |
| buf.append("= \""); |
| for (int i = 0; i < this.string.length(); i++) { |
| char c = this.string.charAt(i); |
| switch (c) { |
| case '"': |
| buf.append("\\\""); |
| break; |
| case '\\': |
| buf.append("\\\\"); |
| break; |
| default: |
| buf.append(c); |
| } |
| } |
| buf.append('"'); |
| return buf.toString(); |
| } |
| |
| } |