org.zalando.logbook.BaseHttpMessage Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of logbook-api Show documentation

HTTP request and response logging

There is a newer version: 3.10.0

package org.zalando.logbook;

import javax.annotation.Nullable;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import static java.lang.String.CASE_INSENSITIVE_ORDER;

public interface BaseHttpMessage {

    String getProtocolVersion();

    Origin getOrigin();

    Map> getHeaders();

    @Nullable
    String getContentType();

    Charset getCharset();

    class HeadersBuilder {

        private Map> headers;

        public HeadersBuilder() {
            // package private so we can trick code coverage
            headers = new TreeMap<>(CASE_INSENSITIVE_ORDER);
        }

        public HeadersBuilder put(final String key, final String value) {
            final List values = headers.get(key);
            if (values != null) {
                values.add(value);
            } else {
                final ArrayList list = new ArrayList<>();
                list.add(value);
                headers.put(key, list);
            }
            return this;
        }

        public HeadersBuilder put(final String key, final Iterable values) {
            for (final String value : values) {
                put(key, value);
            }
            return this;
        }

        public Map> build() {
            for (final Map.Entry> e : headers.entrySet()) {
                e.setValue(Collections.unmodifiableList(e.getValue()));
            }
            headers = Collections.unmodifiableMap(headers);
            return headers;
        }
    }
}