package com.gkhy.exam.pay.utils;
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import com.alibaba.fastjson2.JSONObject;
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import com.gkhy.exam.pay.entity.PayReqData;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpResponse;
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import org.apache.http.NameValuePair;
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import org.apache.http.StatusLine;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.HttpClient;
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import org.apache.http.client.HttpResponseException;
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import org.apache.http.client.ResponseHandler;
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import org.apache.http.client.config.AuthSchemes;
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import org.apache.http.client.config.CookieSpecs;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.config.Registry;
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import org.apache.http.config.RegistryBuilder;
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import org.apache.http.conn.socket.ConnectionSocketFactory;
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import org.apache.http.conn.socket.PlainConnectionSocketFactory;
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import org.apache.http.conn.ssl.NoopHostnameVerifier;
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import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
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import org.apache.http.entity.ContentType;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.util.EntityUtils;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.security.KeyManagementException;
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import java.security.NoSuchAlgorithmException;
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import java.security.cert.X509Certificate;
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import java.util.*;
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/**
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* 缴费相关接口
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*/
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public class PayUtils {
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public static ResultVo sendApiPost(PayReqData payReqData) throws IOException {
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//正式
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String proUrl="http://finpt.xjcz.gov.cn/fs-service/fs-pay/invoice.do";
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String appid="ED76A5F1703540BE977D34780B371FEB";
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//测试
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String testUrl= "http://finpt.xjcz.gov.cn/fs-service-test/fs-pay/invoice.do";
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Map<String, String> param = new HashMap<>();
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HttpPost httpPost = new HttpPost(testUrl);
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//请求参数转为json格式base64编码
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String reqData = Base64.getEncoder().encodeToString(JSONObject.toJSONString(payReqData).getBytes());
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String mac = appid+"||"+reqData;
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mac = DigestUtils.md5Hex(mac.getBytes());
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param.put("appid",appid);
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param.put("reqdata",reqData);
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param.put("mac",mac);
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httpPost.setEntity(assemblyFormEntity(param,"utf-8"));
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HttpClient httpClient = getHttpClient(testUrl);
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HttpResultVo execute = httpClient.execute(httpPost, getResponseHandler());
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String stringContent = execute.getStringContent();
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ResultVo resultVo = JSONObject.parseObject(stringContent, ResultVo.class);
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return resultVo;
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}
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private static UrlEncodedFormEntity assemblyFormEntity(Map<String, String> parameters, String charset) {
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List<NameValuePair> formParameters = assemblyParameter(parameters);
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UrlEncodedFormEntity formEntity = null;
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try {
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if (charset != null) {
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formEntity = new UrlEncodedFormEntity(formParameters, charset);
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} else {
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formEntity = new UrlEncodedFormEntity(formParameters);
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}
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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}
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return formEntity;
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}
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private static List<NameValuePair> assemblyParameter(Map<String, String> parameters) {
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List<NameValuePair> allParameter = new ArrayList<>();
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if (parameters != null && !parameters.isEmpty()) {
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for (String name : parameters.keySet()) {
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NameValuePair parameter = new BasicNameValuePair(name, parameters.get(name));
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allParameter.add(parameter);
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}
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}
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return allParameter;
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}
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public static HttpClient getHttpClient(String url) {
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// 判断https访问
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if (url.startsWith("https")) {
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return sslClient();
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}
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return HttpClients.createDefault();
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}
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private static HttpClient sslClient() {
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try {
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// 在调用SSL之前需要重写验证方法，取消检测SSL
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X509TrustManager trustManager = new X509TrustManager() {
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@Override
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public X509Certificate[] getAcceptedIssuers() {
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return null;
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}
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@Override
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public void checkClientTrusted(X509Certificate[] xcs, String str) {}
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@Override
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public void checkServerTrusted(X509Certificate[] xcs, String str) {}
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};
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SSLContext ctx = SSLContext.getInstance(SSLConnectionSocketFactory.TLS);
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ctx.init(null, new TrustManager[] {trustManager}, null);
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SSLConnectionSocketFactory socketFactory =
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new SSLConnectionSocketFactory(ctx, NoopHostnameVerifier.INSTANCE);
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// 创建Registry
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RequestConfig requestConfig =
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RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD_STRICT).setExpectContinueEnabled(Boolean.TRUE)
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.setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.NTLM, AuthSchemes.DIGEST))
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.setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();
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Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
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.register("http", PlainConnectionSocketFactory.INSTANCE).register("https", socketFactory).build();
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// 创建ConnectionManager，添加Connection配置信息
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PoolingHttpClientConnectionManager connectionManager =
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new PoolingHttpClientConnectionManager(socketFactoryRegistry);
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CloseableHttpClient closeableHttpClient = HttpClients.custom().setConnectionManager(connectionManager)
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.setDefaultRequestConfig(requestConfig).build();
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return closeableHttpClient;
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} catch (KeyManagementException ex) {
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throw new RuntimeException(ex);
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} catch (NoSuchAlgorithmException ex) {
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throw new RuntimeException(ex);
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}
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}
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private static ResponseHandler<HttpResultVo> getResponseHandler() {
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ResponseHandler<HttpResultVo> responseHandler = new ResponseHandler<HttpResultVo>() {
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@Override
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public HttpResultVo handleResponse(HttpResponse httpResponse) throws ClientProtocolException, IOException {
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if (httpResponse == null) {
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throw new ClientProtocolException("HttpResponse is null");
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}
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StatusLine statusLine = httpResponse.getStatusLine();
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HttpEntity httpEntity = httpResponse.getEntity();
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if (statusLine == null) {
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throw new ClientProtocolException("HttpResponse contains no StatusLine");
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}
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if (statusLine.getStatusCode() != 200) {
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throw new HttpResponseException(statusLine.getStatusCode(), statusLine.getReasonPhrase());
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}
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if (httpEntity == null) {
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throw new ClientProtocolException("HttpResponse contains no HttpEntity");
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}
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HttpResultVo httpResult = new HttpResultVo();
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httpResult.setStatusCode(statusLine.getStatusCode());
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ContentType contentType = ContentType.getOrDefault(httpEntity);
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httpResult.setContentType(contentType.toString());
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boolean isTextType = isTextType(contentType);
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httpResult.setTextType(isTextType);
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if (isTextType) {
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httpResult.setStringContent(EntityUtils.toString(httpEntity));
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} else {
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httpResult.setByteArrayContent(EntityUtils.toByteArray(httpEntity));
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}
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httpResult.setHeaders(httpResponse.getAllHeaders());
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return httpResult;
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}
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};
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return responseHandler;
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}
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private static boolean isTextType(ContentType contentType) {
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if (contentType == null) {
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throw new RuntimeException("ContentType is null");
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}
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if (contentType.getMimeType().startsWith("text")) {
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return true;
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} else if (contentType.getMimeType().startsWith("image")) {
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return false;
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} else if (contentType.getMimeType().startsWith("application")) {
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if (contentType.getMimeType().contains("json") || contentType.getMimeType().contains("xml")) {
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return true;
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} else {
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return false;
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}
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} else if (contentType.getMimeType().startsWith("multipart")) {
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return false;
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} else {
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return true;
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}
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}
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}
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