com.flyfish.oauth.builder.MapParamBuilder Maven / Gradle / Ivy

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package com.flyfish.oauth.builder;

import org.apache.commons.lang3.StringUtils;

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

/**
 * Map参数构造器
 *
 * @author Mr.Wang
 * @apiNote 通过重载过滤已知类型的空值，并分别处理
 */
public final class MapParamBuilder {

    private static final String PAGE_KEY = "pageUtil";

    private Map params;

    private MapParamBuilder() {
        this.params = new HashMap<>();
    }

    public static MapParamBuilder builder() {
        return new MapParamBuilder();
    }

    @SuppressWarnings("unchecked")
    public static  T any(Map map, String key) {
        Object value = map.get(key);
        return (T) value;
    }

    public MapParamBuilder with(String key, Object value) {
        if (StringUtils.isNotBlank(key) && value != null) {
            this.params.put(key, value);
        }
        return this;
    }

    public boolean has(String key) {
        return this.params.containsKey(key);
    }


    public MapParamBuilder with(String key, String value) {
        if (StringUtils.isNotBlank(key) && StringUtils.isNotBlank(value)) {
            this.params.put(key, value);
        }
        return this;
    }

    public MapParamBuilder with(String key, Integer value) {
        // 过滤负值，无意义的值
        if (StringUtils.isNotBlank(key) && value != null) {
            this.params.put(key, value);
        }
        return this;
    }

    /**
     * 交换键位对应的值
     *
     * @param oldKey 要被交换的key
     * @param newKey 要交换的key
     * @return 结果
     */
    public MapParamBuilder exchange(String oldKey, String newKey) {
        if (this.params.containsKey(oldKey) && this.params.containsKey(newKey)) {
            Object oldValue = this.params.get(oldKey);
            Object newValue = this.params.get(newKey);
            this.params.put(oldKey, newValue);
            this.params.put(newKey, oldValue);
        }
        return this;
    }

    /**
     * 替换key为新的key，值不变
     *
     * @param oldKey 旧的key
     * @param newKey 新的key
     * @return 结果
     */
    public MapParamBuilder replace(String oldKey, String newKey) {
        Object value = this.params.get(oldKey);
        if (null != value) {
            this.params.remove(oldKey);
            this.params.put(newKey, value);
        }
        return this;
    }

    public MapParamBuilder clear(String key) {
        this.params.remove(key);
        return this;
    }

    public MapParamBuilder with(String key, Long value) {
        // 过滤负值，无意义的值
        if (StringUtils.isNotBlank(key) && value != null) {
            this.params.put(key, value);
        }
        return this;
    }

    @SuppressWarnings("unchecked")
    public  T take(String key) {
        return (T) this.params.get(key);
    }

    public Map build() {
        return this.params;
    }
}