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提供java常用的、流行的工具方法,减少项目冗余代码
package com.seejoke.http.common;
import org.apache.http.Header;
import org.apache.http.client.HttpClient;
import org.apache.http.protocol.HttpContext;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
/**
* 请求配置类
*
* @version 1.0
*/
public class HttpConfig {
private HttpConfig() {
}
;
/**
* 获取实例
*
* @return 返回当前对象
*/
public static HttpConfig custom() {
return new HttpConfig();
}
/**
* HttpClient对象
*/
private HttpClient client;
/**
* Header头信息
*/
private Header[] headers;
/**
* 是否返回response的headers
*/
private boolean isReturnRespHeaders;
/**
* 请求方法
*/
private HttpMethods method = HttpMethods.GET;
/**
* 请求方法名称
*/
private String methodName;
/**
* 用于cookie操作
*/
private HttpContext context;
/**
* 传递参数
*/
private Map map;
/**
* 以json格式作为输入参数
*/
private String json;
/**
* 输入输出编码
*/
private String encoding = Charset.defaultCharset().displayName();
/**
* 输入编码
*/
private String inenc;
/**
* 输出编码
*/
private String outenc;
/**
* 解决多线程下载时，strean被close的问题
*/
private static final ThreadLocal outs = new ThreadLocal();
/**
* 解决多线程处理时，url被覆盖问题
*/
private static final ThreadLocal urls = new ThreadLocal();
/**
* @param client HttpClient对象
* @return 返回当前对象
*/
public HttpConfig client(HttpClient client) {
this.client = client;
return this;
}
/**
* @param url 资源url
* @return 返回当前对象
*/
public HttpConfig url(String url) {
urls.set(url);
return this;
}
/**
* @param headers Header头信息
* @return 返回当前对象
*/
public HttpConfig headers(Header[] headers) {
this.headers = headers;
return this;
}
/**
* Header头信息(是否返回response中的headers)
*
* @param headers Header头信息
* @param isReturnRespHeaders 是否返回response中的headers
* @return 返回当前对象
*/
public HttpConfig headers(Header[] headers, boolean isReturnRespHeaders) {
this.headers = headers;
this.isReturnRespHeaders = isReturnRespHeaders;
return this;
}
/**
* @param method 请求方法
* @return 返回当前对象
*/
public HttpConfig method(HttpMethods method) {
this.method = method;
return this;
}
/**
* @param methodName 请求方法
* @return 返回当前对象
*/
public HttpConfig methodName(String methodName) {
this.methodName = methodName;
return this;
}
/**
* @param context cookie操作相关
* @return 返回当前对象
*/
public HttpConfig context(HttpContext context) {
this.context = context;
return this;
}
/**
* @param map 传递参数
* @return 返回当前对象
*/
public HttpConfig map(Map map) {
synchronized (getClass()) {
if (this.map == null || map == null) {
this.map = map;
} else {
this.map.putAll(map);
;
}
}
return this;
}
/**
* @param json 以json格式字符串作为参数
* @return 返回当前对象
*/
public HttpConfig json(String json) {
this.json = json;
map = new HashMap();
map.put(Utils.ENTITY_STRING, json);
return this;
}
/**
* @param filePaths 待上传文件所在路径
* @return 返回当前对象
*/
public HttpConfig files(String[] filePaths) {
return files(filePaths, "file");
}
/**
* 上传文件时用到
*
* @param filePaths 待上传文件所在路径
* @param inputName 即file input 标签的name值，默认为file
* @return 返回当前对象
*/
public HttpConfig files(String[] filePaths, String inputName) {
return files(filePaths, inputName, false);
}
/**
* 上传文件时用到
*
* @param filePaths 待上传文件所在路径
* @param inputName 即file input 标签的name值，默认为file
* @param forceRemoveContentTypeChraset 是否强制一处content-type中设置的编码类型
* @return 返回当前对象
*/
public HttpConfig files(String[] filePaths, String inputName, boolean forceRemoveContentTypeChraset) {
synchronized (getClass()) {
if (this.map == null) {
this.map = new HashMap();
}
}
map.put(Utils.ENTITY_MULTIPART, filePaths);
map.put(Utils.ENTITY_MULTIPART + ".name", inputName);
map.put(Utils.ENTITY_MULTIPART + ".rmCharset", forceRemoveContentTypeChraset);
return this;
}
/**
* @param encoding 输入输出编码
* @return 返回当前对象
*/
public HttpConfig encoding(String encoding) {
//设置输入输出
inenc(encoding);
outenc(encoding);
this.encoding = encoding;
return this;
}
/**
* @param inenc 输入编码
* @return 返回当前对象
*/
public HttpConfig inenc(String inenc) {
this.inenc = inenc;
return this;
}
/**
* @param outenc 输出编码
* @return 返回当前对象
*/
public HttpConfig outenc(String outenc) {
this.outenc = outenc;
return this;
}
/**
* @param out 输出流对象
* @return 返回当前对象
*/
public HttpConfig out(OutputStream out) {
outs.set(out);
return this;
}
public HttpClient client() {
return client;
}
public Header[] headers() {
return headers;
}
public boolean isReturnRespHeaders() {
return isReturnRespHeaders;
}
public String url() {
return urls.get();
}
public HttpMethods method() {
return method;
}
public String methodName() {
return methodName;
}
public HttpContext context() {
return context;
}
public Map map() {
return map;
}
public String json() {
return json;
}
public String encoding() {
return encoding;
}
public String inenc() {
return inenc == null ? encoding : inenc;
}
public String outenc() {
return outenc == null ? encoding : outenc;
}
public OutputStream out() {
return outs.get();
}
}