Constants.java

package org.gitlab4j.api;

import java.util.HashMap;
import java.util.Map;

import org.gitlab4j.api.utils.JacksonJsonEnumHelper;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;

public interface Constants {

    /** The total number of items HTTP header key. */
    public static final String TOTAL_HEADER = "X-Total";

    /** The total number of pages HTTP header key. */
    public static final String TOTAL_PAGES_HEADER = "X-Total-Pages";

    /** The number of items per page HTTP header key. */
    public static final String PER_PAGE = "X-Per-Page";

    /** The index of the current page (starting at 1) HTTP header key. */
    public static final String PAGE_HEADER = "X-Page";

    /** The index of the next page HTTP header key. */
    public static final String NEXT_PAGE_HEADER = "X-Next-Page";

    /** The index of the previous page HTTP header key. */
    public static final String PREV_PAGE_HEADER = "X-Prev-Page";

    /** Items per page param HTTP header key. */
    public static final String PER_PAGE_PARAM = "per_page";

    /** Page param HTTP header key. */
    public static final String PAGE_PARAM = "page";

    /** Used to specify the type of authentication token. */
    public enum TokenType {
        ACCESS, OAUTH2_ACCESS, PRIVATE;
    }

    /** Enum to specify encoding of file contents. */
    public enum Encoding {
        TEXT, BASE64;

        private static JacksonJsonEnumHelper<Encoding> enumHelper = new JacksonJsonEnumHelper<>(Encoding.class);

        @JsonCreator
        public static Encoding forValue(String value) {
            return enumHelper.forValue((value != null ? value.toLowerCase() : value));
        }

        @JsonValue
        public String toValue() {
            return (enumHelper.toString(this));
        }

        @Override
        public String toString() {
            return (enumHelper.toString(this));
        }
    }

    /** Enum to use for ordering the results of various API calls. */
    public enum SortOrder {

        ASC, DESC;

        private static JacksonJsonEnumHelper<SortOrder> enumHelper = new JacksonJsonEnumHelper<>(SortOrder.class);