HTTP 工具类 封装 For android
16lz
2021-12-17
package com.example.testbingtoken;import java.io.ByteArrayOutputStream;import java.io.DataOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.security.KeyStore;import java.util.ArrayList;import java.util.HashMap;import java.util.Map;import java.util.UUID;import org.apache.http.Header;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.HttpStatus;import org.apache.http.HttpVersion;import org.apache.http.client.HttpClient;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.conn.ClientConnectionManager;import org.apache.http.conn.ConnectTimeoutException;import org.apache.http.conn.params.ConnManagerParams;import org.apache.http.conn.scheme.PlainSocketFactory;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 org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;import org.apache.http.message.BasicHeader;import org.apache.http.message.BasicNameValuePair;import org.apache.http.params.BasicHttpParams;import org.apache.http.params.HttpConnectionParams;import org.apache.http.params.HttpParams;import org.apache.http.params.HttpProtocolParams;import org.apache.http.protocol.HTTP;import org.apache.http.util.EntityUtils;import android.content.Context;import android.net.ConnectivityManager;import android.net.NetworkInfo;import android.util.Log;import android.widget.Toast;/** * HttpUtil Class Capsule Most Functions of Http Operations * * @author sfshine * */public class HttpUtil { private static Header[] headers = new BasicHeader[1]; private static String TAG = "HTTPUTIL"; private static int TIMEOUT = 5 * 1000; private static final String BOUNDARY = "---------------------------7db1c523809b2"; /** * Your header of http op * * @return */ static { headers[0] = new BasicHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows XP; DigExt)"); } public static boolean delete(String murl) throws Exception { URL url = new URL(murl); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("DELETE"); conn.setConnectTimeout(5000); if (conn.getResponseCode() == 204) { MLog.e(conn.toString()); return true; } MLog.e(conn.getRequestMethod()); MLog.e(conn.getResponseCode() + ""); return false; } /** * Op Http get request * * @param url * @param map * Values to request * @return */ static public String get(String url) { return get(url, null); } static public String get(String url, HashMap<String, String> map) { HttpClient client = new DefaultHttpClient(); HttpConnectionParams.setConnectionTimeout(client.getParams(), TIMEOUT); HttpConnectionParams.setSoTimeout(client.getParams(), TIMEOUT); ConnManagerParams.setTimeout(client.getParams(), TIMEOUT); String result = "ERROR"; if (null != map) { int i = 0; for (Map.Entry<String, String> entry : map.entrySet()) { Log.i(TAG, entry.getKey() + "=>" + entry.getValue()); if (i == 0) { url = url + "?" + entry.getKey() + "=" + entry.getValue(); } else { url = url + "&" + entry.getKey() + "=" + entry.getValue(); } i++; } } HttpGet get = new HttpGet(url); get.setHeaders(headers); Log.i(TAG, url); try { HttpResponse response = client.execute(get); if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { // setCookie(response); result = EntityUtils.toString(response.getEntity(), "UTF-8"); } else { result = EntityUtils.toString(response.getEntity(), "UTF-8") + response.getStatusLine().getStatusCode() + "ERROR"; } } catch (ConnectTimeoutException e) { result = "TIMEOUTERROR"; } catch (Exception e) { result = "OTHERERROR"; e.printStackTrace(); } Log.i(TAG, "result =>" + result); return result; } /** * Op Http post request , "404error" response if failed * * @param url * @param map * Values to request * @return */ static public String post(String url, HashMap<String, String> map) { HttpClient client = new DefaultHttpClient(); HttpConnectionParams.setConnectionTimeout(client.getParams(), TIMEOUT); HttpConnectionParams.setSoTimeout(client.getParams(), TIMEOUT); ConnManagerParams.setTimeout(client.getParams(), TIMEOUT); HttpPost post = new HttpPost(url); MLog.i(TAG, url); post.setHeaders(headers); String result = "ERROR"; ArrayList<BasicNameValuePair> pairList = new ArrayList<BasicNameValuePair>(); if (map != null) { for (Map.Entry<String, String> entry : map.entrySet()) { Log.i(TAG, entry.getKey() + "=>" + entry.getValue()); BasicNameValuePair pair = new BasicNameValuePair( entry.getKey(), entry.getValue()); pairList.add(pair); } } try { HttpEntity entity = new UrlEncodedFormEntity(pairList, "UTF-8"); post.setEntity(entity); HttpResponse response = client.execute(post); if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { result = EntityUtils.toString(response.getEntity(), "UTF-8"); } else { result = EntityUtils.toString(response.getEntity(), "UTF-8") + response.getStatusLine().getStatusCode() + "ERROR"; } } catch (ConnectTimeoutException e) { result = "TIMEOUTERROR"; } catch (Exception e) { result = "OTHERERROR"; e.printStackTrace(); } Log.i(TAG, "result =>" + result); return result; } /** * 自定义的http请求可以设置为DELETE PUT等而不是GET * * @param url * @param params * @param method * @throws IOException */ public static String customrequest(String url, HashMap<String, String> params, String method) { try { URL postUrl = new URL(url); HttpURLConnection conn = (HttpURLConnection) postUrl .openConnection(); conn.setDoOutput(true); conn.setDoInput(true); conn.setConnectTimeout(5 * 1000); conn.setRequestMethod(method); conn.setUseCaches(false); conn.setInstanceFollowRedirects(true); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows XP; DigExt)"); conn.connect(); OutputStream out = conn.getOutputStream(); StringBuilder sb = new StringBuilder(); if (null != params) { int i = params.size(); for (Map.Entry<String, String> entry : params.entrySet()) { if (i == 1) { sb.append(entry.getKey() + "=" + entry.getValue()); } else { sb.append(entry.getKey() + "=" + entry.getValue() + "&"); } i--; } } String content = sb.toString(); out.write(content.getBytes("UTF-8")); out.flush(); out.close(); InputStream inStream = conn.getInputStream(); String result = inputStream2String(inStream); Log.i(TAG, "result>" + result); conn.disconnect(); return result; } catch (Exception e) { // TODO: handle exception } return null; } /** * 必须严格限制get请求所以增加这个方法 这个方法也可以自定义请求 * * @param url * @param method * @throws Exception */ public static String customrequestget(String url, HashMap<String, String> map, String method) { if (null != map) { int i = 0; for (Map.Entry<String, String> entry : map.entrySet()) { if (i == 0) { url = url + "?" + entry.getKey() + "=" + entry.getValue(); } else { url = url + "&" + entry.getKey() + "=" + entry.getValue(); } i++; } } try { URL murl = new URL(url); System.out.print(url); HttpURLConnection conn = (HttpURLConnection) murl.openConnection(); conn.setConnectTimeout(5 * 1000); conn.setRequestMethod(method); conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows XP; DigExt)"); InputStream inStream = conn.getInputStream(); String result = inputStream2String(inStream); Log.i(TAG, "result>" + result); conn.disconnect(); return result; } catch (Exception e) { // TODO: handle exception } return null; } /** * 上传多张图片 */ public static void post(String actionUrl, Map<String, String> params, Map<String, File> files) throws IOException { String BOUNDARY = java.util.UUID.randomUUID().toString(); String PREFIX = "--", LINEND = "rn"; String MULTIPART_FROM_DATA = "multipart/form-data"; String CHARSET = "UTF-8"; URL uri = new URL(actionUrl); HttpURLConnection conn = (HttpURLConnection) uri.openConnection(); conn.setReadTimeout(5 * 1000); // 缓存的最长时间 conn.setDoInput(true);// 允许输入 conn.setDoOutput(true);// 允许输出 conn.setUseCaches(false); // 不允许使用缓存 conn.setRequestMethod("POST"); conn.setRequestProperty("connection", "keep-alive"); conn.setRequestProperty("Charsert", "UTF-8"); conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY); // 首先组拼文本类型的参数 StringBuilder sb = new StringBuilder(); for (Map.Entry<String, String> entry : params.entrySet()) { sb.append(PREFIX); sb.append(BOUNDARY); sb.append(LINEND); sb.append("Content-Disposition: form-data; name="" + entry.getKey() + """ + LINEND); sb.append("Content-Type: text/plain; charset=" + CHARSET + LINEND); sb.append("Content-Transfer-Encoding: 8bit" + LINEND); sb.append(LINEND); sb.append(entry.getValue()); sb.append(LINEND); } DataOutputStream outStream = new DataOutputStream( conn.getOutputStream()); outStream.write(sb.toString().getBytes()); InputStream in = null; // 发送文件数据 if (files != null) { for (Map.Entry<String, File> file : files.entrySet()) { StringBuilder sb1 = new StringBuilder(); sb1.append(PREFIX); sb1.append(BOUNDARY); sb1.append(LINEND); sb1.append("Content-Disposition: form-data; name="source"; filename="" + file.getValue().getName() + """ + LINEND); sb1.append("Content-Type: image/pjpeg; " + LINEND); sb1.append(LINEND); outStream.write(sb1.toString().getBytes()); InputStream is = new FileInputStream(file.getValue()); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { outStream.write(buffer, 0, len); } is.close(); outStream.write(LINEND.getBytes()); } // 请求结束标志 byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes(); outStream.write(end_data); outStream.flush(); // 得到响应码 int res = conn.getResponseCode(); // if (res == 200) { in = conn.getInputStream(); int ch; StringBuilder sb2 = new StringBuilder(); while ((ch = in.read()) != -1) { sb2.append((char) ch); } // } outStream.close(); conn.disconnect(); } // return in.toString(); } /** * is转String * * @param in * @return * @throws IOException */ public static String inputStream2String(InputStream in) throws IOException { StringBuffer out = new StringBuffer(); byte[] b = new byte[4096]; for (int n; (n = in.read(b)) != -1;) { out.append(new String(b, 0, n)); } return out.toString(); } /** * check net work * * @param context * @return */ public static boolean hasNetwork(Context context) { ConnectivityManager con = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo workinfo = con.getActiveNetworkInfo(); if (workinfo == null || !workinfo.isAvailable()) { Toast.makeText(context, "当前无网络连接,请稍后重试", Toast.LENGTH_SHORT).show(); return false; } return true; } /*** * @category check if the string is null * @return true if is null * */ public static boolean isNull(String string) { boolean t1 = "".equals(string); boolean t2 = string == null; boolean t3 = string.equals("null"); if (t1 || t2 || t3) { return true; } else { return false; } } static public byte[] getBytes(File file) throws IOException { InputStream ios = null; ByteArrayOutputStream ous = null; try { byte[] buffer = new byte[4096]; ous = new ByteArrayOutputStream(); ios = new FileInputStream(file); int read = 0; while ((read = ios.read(buffer)) != -1) { ous.write(buffer, 0, read); } } finally { try { if (ous != null) ous.close(); } catch (IOException e) { } try { if (ios != null) ios.close(); } catch (IOException e) { } } return ous.toByteArray(); } public static class MLog { static public void e(String msg) { android.util.Log.e("=======ERROR======", msg); } static public void e(String tag, String msg) { android.util.Log.e(tag, msg); } static public void i(String msg) { android.util.Log.i("=======INFO======", msg); } static public void i(String tag, String msg) { android.util.Log.i(tag, msg); } }}
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