运维APP功能实现
BlueMatthew
2 years ago
parent
da65e70976
commit
99e09d8c69
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package com.xypower.common;
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import android.text.TextUtils;
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import java.io.BufferedInputStream;
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import java.io.BufferedReader;
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import java.io.DataOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.nio.file.Files;
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import java.util.UUID;
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public class FileUploader {
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private HttpURLConnection httpConn;
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private DataOutputStream request;
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private final static String BOUNDARY = UUID.randomUUID().toString();;
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private final static String CRLF = "\r\n";
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private final static String twoHyphens = "--";
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/**
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* This constructor initializes a new HTTP POST request with content type
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* is set to multipart/form-data
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*
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* @param requestURL
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* @throws IOException
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*/
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public FileUploader(String requestURL)
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throws IOException {
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// creates a unique boundary based on time stamp
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URL url = new URL(requestURL);
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httpConn = (HttpURLConnection) url.openConnection();
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httpConn.setUseCaches(false);
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httpConn.setDoOutput(true); // indicates POST method
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httpConn.setDoInput(true);
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httpConn.setRequestMethod("POST");
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httpConn.setRequestProperty("Connection", "Keep-Alive");
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httpConn.setRequestProperty("Cache-Control", "no-cache");
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httpConn.setRequestProperty(
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"Content-Type", "multipart/form-data;boundary=" + this.BOUNDARY);
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request = new DataOutputStream(httpConn.getOutputStream());
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}
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@Override
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protected void finalize() {
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if (httpConn != null) {
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try {
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httpConn.disconnect();
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} catch (Exception ex) {
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}
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}
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}
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/**
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* Adds a form field to the request
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*
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* @param name field name
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* @param value field value
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*/
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public void addFormField(String name, String value) throws IOException {
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request.writeBytes(this.twoHyphens + this.BOUNDARY + this.CRLF);
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request.writeBytes("Content-Disposition: form-data; name=\"" + name + "\""+ this.CRLF);
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request.writeBytes("Content-Type: text/plain; charset=UTF-8" + this.CRLF);
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request.writeBytes(this.CRLF);
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request.writeBytes(value+ this.CRLF);
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request.flush();
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}
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/**
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* Adds a upload file section to the request
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*
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* @param fieldName name attribute in <input type="file" name="..." />
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* @param uploadFile a File to be uploaded
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* @throws IOException
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*/
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public void addFilePart(String fieldName, File uploadFile, String fileName, String mimeType)
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throws IOException {
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request.writeBytes(this.twoHyphens + this.BOUNDARY + this.CRLF);
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request.writeBytes("Content-Disposition: form-data; name=\"" +
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fieldName + "\";filename=\"" +
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(TextUtils.isEmpty(fileName) ? uploadFile.getName() : fileName) + "\"" + this.CRLF);
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if (!TextUtils.isEmpty(mimeType)) {
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request.writeBytes("Content-Type: " + mimeType + "; charset=" + "UTF-8" + this.CRLF);
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}
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request.writeBytes(this.CRLF);
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byte[] bytes = Files.readAllBytes(uploadFile.toPath());
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request.write(bytes);
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}
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/**
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* Completes the request and receives response from the server.
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*
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* @return a list of Strings as response in case the server returned
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* status OK, otherwise an exception is thrown.
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* @throws IOException
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*/
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public String finish() throws IOException {
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String response ="";
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request.writeBytes(this.CRLF);
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request.writeBytes(this.twoHyphens + this.BOUNDARY +
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this.twoHyphens + this.CRLF);
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request.flush();
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request.close();
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// checks server's status code first
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int status = httpConn.getResponseCode();
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if (status == HttpURLConnection.HTTP_OK) {
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InputStream responseStream = new
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BufferedInputStream(httpConn.getInputStream());
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BufferedReader responseStreamReader =
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new BufferedReader(new InputStreamReader(responseStream));
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String line = "";
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StringBuilder stringBuilder = new StringBuilder();
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while ((line = responseStreamReader.readLine()) != null) {
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stringBuilder.append(line).append("\n");
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}
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responseStreamReader.close();
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response = stringBuilder.toString();
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httpConn.disconnect();
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httpConn = null;
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} else {
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throw new IOException("Server returned non-OK status: " + status);
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}
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return response;
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}
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}
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@ -0,0 +1,58 @@
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package com.xypower.common;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipOutputStream;
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public class ZipUtils {
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public static void ZipFolder(File srcFile, File zipFile) {
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try {
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ZipOutputStream outZip = new ZipOutputStream(new FileOutputStream(zipFile));
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ZipFiles(srcFile.getParent() + File.separator, srcFile.getName(), outZip);
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outZip.finish();
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outZip.close();
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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private static void ZipFiles(String srcFileParentName, String srcFileName, ZipOutputStream zipOutputSteam) throws Exception {
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if (zipOutputSteam == null)
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return;
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File file = new File(srcFileParentName + srcFileName);
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if (file.isFile()) {
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ZipEntry zipEntry = new ZipEntry(srcFileName);
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FileInputStream inputStream = new FileInputStream(file);
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zipOutputSteam.putNextEntry(zipEntry);
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int len;
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byte[] buffer = new byte[1024 * 256];
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while ((len = inputStream.read(buffer)) != -1) {
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zipOutputSteam.write(buffer, 0, len);
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}
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zipOutputSteam.closeEntry();
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} else {
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// folder
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String fileList[] = file.list();
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// NO sub file
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if (fileList.length <= 0) {
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ZipEntry zipEntry = new ZipEntry(srcFileName + File.separator);
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zipOutputSteam.putNextEntry(zipEntry);
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zipOutputSteam.closeEntry();
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}
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//
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for (int i = 0; i < fileList.length; i++) {
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ZipFiles(srcFileParentName + srcFileName + "/", fileList[i], zipOutputSteam);
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}
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}
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}
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}
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