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Lisenok

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levik666

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Відправка Пост запиту (Send Post Request whis attachment) : JAVA

Відправка Пост запиту (Send Post Request whis attachment) : JAVA на forum.levik.org.ua

import java.io.*; import java.net.HttpURLConnection; import java.net.URL; import java.util.List; public class HTTPMultipartRequest { public static class Param { private String name; private String value; public Param(String name, String value) { this.name = name; this.value = value; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getValue() { return value; } public void setValue(String value) { this.value = value; } } public static class FileParam { private String fileFieldName; private File file; private String fileName; private String contentType; public FileParam(String fileFieldName, String fileName, File file, String contentType) { this.fileFieldName = fileFieldName; this.file = file; this.fileName = fileName; this.contentType = contentType; } public String getFileFieldName() { return fileFieldName; } public File getFile() { return file; } public String getFileName() { return fileName; } public String getContentType() { return contentType; } } private static final String BOUNDARY = "----------Vhgskgpwjxkjdfnldsnfjldsnjlbsndfbgdslfngfnldfg"; private String url; private List<param> params; private List<fileparam> fileParams; public HTTPMultipartRequest(String url, List<param> params, List<fileparam> fileParams) { this.url = url; this.params = params; this.fileParams = fileParams; } public byte[] send() { HttpURLConnection hc = null; InputStream is = null; ByteArrayOutputStream bos = new ByteArrayOutputStream(); byte[] res = null; try { URL _url = new URL(url); hc = (HttpURLConnection) _url.openConnection(); hc.setDoOutput(true); hc.setDoInput(true); hc.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY); hc.setRequestMethod("POST"); OutputStream dout = hc.getOutputStream(); for (Param p : params) { dout.write( new StringBuffer().append("--").append(BOUNDARY) .append("\r\n") .append("Content-Disposition: form-data; name=\"").append(p.getName()).append("\"") .append("\r\n\r\n") .append(p.getValue()) .append("\r\n").toString().getBytes() ); } for (FileParam fp : fileParams) { dout.write( new StringBuffer().append("--").append(BOUNDARY) .append("\r\n") .append("Content-Disposition: form-data; name=\"").append(fp.getFileFieldName()).append("\"; filename=\"").append(fp.getFileName()).append("\"") .append("\r\n") .append("Content-Type: ").append(fp.getContentType()) .append("\r\n\r\n").toString().getBytes() ); byte[] fileBytes = new byte[(int) fp.getFile().length()]; new FileInputStream(fp.getFile()).read(fileBytes); dout.write(fileBytes); dout.write("\r\n".getBytes()); } dout.write(("\r\n--" + BOUNDARY + "--\r\n").getBytes()); dout.flush(); dout.close(); int ch; is = hc.getInputStream(); while ((ch = is.read()) != -1) { bos.write(ch); } res = bos.toByteArray(); } catch (Exception e) { e.printStackTrace(); } finally { try { bos.close(); if (is != null) is.close(); if (hc != null) hc.disconnect(); } catch (Exception e2) { e2.printStackTrace(); } } return res; } }

Оригінал даної статі: http://forum.levik.org.ua/viewtopic.php?f=14&t=20

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