com.gitee.cliveyuan.tools.http.HttpClientTools Maven / Gradle / Ivy
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package com.gitee.cliveyuan.tools.http;
import com.gitee.cliveyuan.tools.CollectionTools;
import com.gitee.cliveyuan.tools.StringTools;
import com.gitee.cliveyuan.tools.cons.NetCons;
import com.gitee.cliveyuan.tools.exception.NetException;
import com.google.common.collect.Lists;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.HttpHostConnectException;
import org.apache.http.cookie.Cookie;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.net.SocketTimeoutException;
import java.net.UnknownHostException;
import java.util.List;
import java.util.Objects;
/**
* httpClient 工具
*
* Created by Clive at 2018/07/24.
* Rebuilt by Clive at 2018/11/26.
*
* @since 2.0.0
*/
public class HttpClientTools extends AbstractHttpRequest {
private static final Logger logger = LoggerFactory.getLogger(HttpClientTools.class);
private String encoding = "UTF-8";
private boolean isPayload;
private String payload;
private boolean throwStatusException = true;
private HttpClientTools() {
timeout = NetCons.HTTP_CLIENT_TIME_OUT;
}
// region public methods
/**
* 构建HttpClient工具
*
*/
public static HttpClientTools build() {
return new HttpClientTools();
}
@Override
public String get() throws NetException {
HttpResp httpResp = sendGet();
return httpResp.getContent();
}
@Override
public String post() throws NetException {
HttpResp httpResp = sendPost();
return httpResp.getContent();
}
@Override
public HttpResp executeGet() throws NetException {
return sendGet();
}
@Override
public HttpResp executePost() throws NetException {
return sendPost();
}
/**
* 编码方式
*
* @param encoding 默认UTF-8
*/
public HttpClientTools encoding(String encoding) {
this.encoding = encoding;
return this;
}
/**
* 请求入参是json格式时设置此字段为true
*
* @param isPayload
*/
public HttpClientTools isPayload(boolean isPayload) {
this.isPayload = isPayload;
return this;
}
/**
* 设置payload内容
*
* @param payload
*/
public HttpClientTools payload(String payload) {
this.payload = payload;
return this;
}
/**
* 当http status != 200 时不抛出异常
*
*/
public AbstractHttpRequest notThrowStatusException() {
this.throwStatusException = false;
return this;
}
// endregion public methods
// region private methods
private HttpResp sendPost() throws NetException {
validate();
BasicCookieStore cookieStore = new BasicCookieStore();
try (CloseableHttpClient httpClient = HttpClients.custom().setDefaultCookieStore(cookieStore).build()) {
HttpPost httpPost = new HttpPost(url);
if (isPayload) {
StringEntity requestEntity = new StringEntity(payload != null ? payload : "", encoding);
requestEntity.setContentEncoding(encoding);
httpPost.setEntity(requestEntity);
httpPost.setHeader("Content-type", "application/json");
} else {
List nameValuePairs = Lists.newArrayList();
if (params != null) {
params.forEach((k, v) ->
nameValuePairs.add(new BasicNameValuePair(k, v))
);
httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, encoding));
}
}
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(timeout)
.setConnectionRequestTimeout(timeout)
.setSocketTimeout(timeout).build();
httpPost.setConfig(requestConfig);
if (addDefaultHeaders) {
NetCons.DEFAULT_HEADERS.forEach(httpPost::setHeader);
}
if (CollectionTools.isNotEmpty(headers)) {
headers.forEach(httpPost::setHeader);
}
if (CollectionTools.isNotEmpty(cookies)) {
httpPost.setHeader("cookie", StringTools.map2CookieStr(cookies));
}
try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
return parseResponse(response, cookieStore);
}
} catch (NetException e) {
throw e;
} catch (UnknownHostException e) {
throw NetException.unknownHost();
} catch (SocketTimeoutException | ConnectTimeoutException e) {
throw NetException.timeout(timeout);
} catch (HttpHostConnectException e) {
throw NetException.connectionRefused(url);
} catch (Exception e) {
//e.printStackTrace();
logger.error("request error", e);
throw NetException.unKnowError();
}
}
private HttpResp sendGet() throws NetException {
validate();
BasicCookieStore cookieStore = new BasicCookieStore();
try (CloseableHttpClient httpClient = HttpClients.custom().setDefaultCookieStore(cookieStore).build()) {
url = InnerTools.getQueryUrl(url, params);
HttpGet httpGet = new HttpGet(url);
RequestConfig requestConfig = RequestConfig.custom()
.setConnectTimeout(timeout)
.setConnectionRequestTimeout(timeout)
.setSocketTimeout(timeout).build();
httpGet.setConfig(requestConfig);
if (addDefaultHeaders) {
NetCons.DEFAULT_HEADERS.forEach(httpGet::setHeader);
}
if (CollectionTools.isNotEmpty(headers)) {
headers.forEach(httpGet::setHeader);
}
if (CollectionTools.isNotEmpty(cookies)) {
httpGet.setHeader("cookie", StringTools.map2CookieStr(cookies));
}
try (CloseableHttpResponse response = httpClient.execute(httpGet)) {
return parseResponse(response, cookieStore);
}
} catch (NetException e) {
throw e;
} catch (UnknownHostException e) {
throw NetException.unknownHost();
} catch (SocketTimeoutException | ConnectTimeoutException e) {
throw NetException.timeout(timeout);
} catch (HttpHostConnectException e) {
throw NetException.connectionRefused(url);
} catch (Exception e) {
logger.error("request error", e);
e.printStackTrace();
throw NetException.unKnowError();
}
}
private HttpResp parseResponse(CloseableHttpResponse response, BasicCookieStore cookieStore) throws IOException, NetException {
List cookies = cookieStore.getCookies();
HttpResp httpResp = HttpResp.create();
cookies.forEach(cookie ->
httpResp.addCookie(cookie.getName(), cookie.getValue())
);
httpResp.setStatusCode(response.getStatusLine().getStatusCode());
if (this.throwStatusException && response.getStatusLine().getStatusCode() != 200) {
throw NetException.httpStatusError(response.getStatusLine().getStatusCode());
}
HttpEntity entity = response.getEntity();
if (Objects.nonNull(entity)) {
Header[] headers = response.getAllHeaders();
if (CollectionTools.isNotEmpty(headers)) {
for (Header header : headers) {
httpResp.addHeader(header.getName(), header.getValue());
}
}
httpResp.setContent(EntityUtils.toString(entity, encoding));
}
return httpResp;
}
// endregion private methods
}