HTTP帮助类

package com.abc.helper;

/**
 * Created by xxx.
 */

import com.abc.model.Enums;
import org.apache.commons.codec.binary.Base64;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import java.nio.charset.StandardCharsets;

public class HttpClientHelper {
    private String charset = "utf-8";
    private Enums.ContentTypeEnum contentType = Enums.ContentTypeEnum.Json; //application/x-www-form-urlencoded //text/xml
    private String username = "";
    private String password = "";

    public String get(String url) {
        Object httpClient = null;
        HttpGet httpGet = null;
        String result = null;

        //判断是否以http或者https开头
        String s = url.toLowerCase();
        if (!s.startsWith("http")) url = "http://" + url;

        try {
            httpClient = url.toLowerCase().startsWith("https")?new SSLClient():new DefaultHttpClient();
            httpGet = new HttpGet(url);
            HttpResponse response = ((DefaultHttpClient)httpClient).execute(httpGet);
            if(response != null) {
                HttpEntity resEntity = response.getEntity();
                if(resEntity != null) {
                    result = EntityUtils.toString(resEntity, charset);
                }
            }
        } catch (Exception var15) {
            var15.printStackTrace();
        }

        return result;
    }

    public String post(String url, String json) {
        Object httpClient = null;
        HttpPost httpPost = null;
        String result = null;

        //判断是否以http或者https开头
        String s = url.toLowerCase();
        if (!s.startsWith("http")) url = "http://" + url;

        try {
            httpClient = url.toLowerCase().startsWith("https")?new SSLClient():new DefaultHttpClient();
            httpPost = new HttpPost(url);

            if (this.username != null && this.username.length() > 0 && this.password != null && this.password.length() > 0) {
                String ex = username + ":" + password;
                byte[] encodedAuth = Base64.encodeBase64(ex.getBytes(StandardCharsets.UTF_8));
                String authHeader = "Basic " + new String(encodedAuth);
                httpPost.setHeader("Authorization", authHeader);
            }

            StringEntity se = new StringEntity(json, this.charset); // "UTF-8");
            se.setContentType(this.contentType.value); // "application/json");
            httpPost.setEntity(se);

            HttpResponse response = ((DefaultHttpClient)httpClient).execute(httpPost);
            if(response != null) {
                HttpEntity resEntity = response.getEntity();
                if(resEntity != null) {
                    result = EntityUtils.toString(resEntity, charset);
                }
            }
        } catch (Exception var15) {
            var15.printStackTrace();
        }

        return result;
    }

    public void setCharset(String charset) {
        this.charset = charset;
    }

    public void setAuthorization(String username, String password) {
        this.username = username;
        this.password = password;
    }

    public void setContentType(Enums.ContentTypeEnum contentType) {
        this.contentType = contentType;
    }
}

 

package com.abc.helper;

/**
 * Created by xxx.
 */
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;

import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

public class SSLClient extends DefaultHttpClient {
    public SSLClient() throws Exception {
        SSLContext ctx = SSLContext.getInstance("TLS");
        X509TrustManager tm = new X509TrustManager() {
            public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            }

            public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
            }

            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }
        };
        ctx.init((KeyManager[])null, new TrustManager[]{tm}, (SecureRandom)null);
        SSLSocketFactory ssf = new SSLSocketFactory(ctx, SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
        ClientConnectionManager ccm = this.getConnectionManager();
        SchemeRegistry sr = ccm.getSchemeRegistry();
        sr.register(new Scheme("https", 443, ssf));
    }
}