ShellRegularExpressionConverter.java

/*
 * Copyright 2017 MongoDB, Inc.
 *
 * 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.
 *
 */

package org.bson.json;

import org.bson.BsonRegularExpression;

class ShellRegularExpressionConverter implements Converter<BsonRegularExpression> {
    @Override
    public void convert(final BsonRegularExpression value, final StrictJsonWriter writer) {
        String escaped = (value.getPattern().equals("")) ? "(?:)" : value.getPattern().replace("/", "\\/");
        writer.writeRaw("/" + escaped + "/" + value.getOptions());
    }
}