package cn.lili.common.utils;
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import com.xkcoding.http.util.MapUtil;
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import lombok.Setter;
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import java.util.Collections;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/**
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* <p>
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* 构造URL
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* </p>
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*
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* @author yangkai.shen (https://xkcoding.com)
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* @since 1.9.0
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*/
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@Setter
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public class UrlBuilder {
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private final Map<String, String> params = new LinkedHashMap<>(7);
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private String baseUrl;
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private UrlBuilder() {
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}
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/**
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* @param baseUrl 基础路径
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* @return the new {@code UrlBuilder}
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*/
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public static UrlBuilder fromBaseUrl(String baseUrl) {
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UrlBuilder builder = new UrlBuilder();
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builder.setBaseUrl(baseUrl);
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return builder;
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}
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/**
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* 只读的参数Map
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*
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* @return unmodifiable Map
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* @since 1.15.0
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*/
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public Map<String, Object> getReadOnlyParams() {
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return Collections.unmodifiableMap(params);
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}
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/**
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* 添加参数
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*
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* @param key 参数名称
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* @param value 参数值
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* @return this UrlBuilder
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*/
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public UrlBuilder queryParam(String key, Object value) {
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if (StringUtils.isEmpty(key)) {
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throw new RuntimeException("参数名不能为空");
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}
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String valueAsString = (value != null ? value.toString() : null);
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this.params.put(key, valueAsString);
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return this;
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}
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/**
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* 添加参数
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*
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* @param value 参数值
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* @return this UrlBuilder
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*/
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public UrlBuilder pathAppend(String value) {
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if (StringUtils.isEmpty(value)) {
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throw new RuntimeException("参数不能为空");
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}
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this.setBaseUrl(this.baseUrl += value);
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return this;
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}
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/**
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* 构造url
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*
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* @return url
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*/
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public String build() {
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return this.build(false);
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}
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/**
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* 构造url
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*
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* @param encode 转码
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* @return url
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*/
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public String build(boolean encode) {
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if (MapUtil.isEmpty(this.params)) {
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return this.baseUrl;
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}
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String baseUrl = StringUtils.appendIfNotContain(this.baseUrl, "?", "&");
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String paramString = MapUtil.parseMapToString(this.params, encode);
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return baseUrl + paramString;
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}
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}
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