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HTTP request and response logging

There is a newer version: 3.10.0

package org.zalando.logbook;

/*
 * #%L
 * Logbook: API
 * %%
 * Copyright (C) 2015 Zalando SE
 * %%
 * 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.
 * #L%
 */

@FunctionalInterface
public interface BodyObfuscator {

    String obfuscate(final String contentType, final String body);
    
    static BodyObfuscator none() {
        return (contentType, body) -> body;
    }

    static BodyObfuscator merge(final BodyObfuscator left, final BodyObfuscator right) {
        return (contentType, body) -> left.obfuscate(contentType, right.obfuscate(contentType, body));
    }

}