Java tutorial
/* * PhoneGap is available under *either* the terms of the modified BSD license *or* the * MIT License (2008). See http://opensource.org/licenses/alphabetical for full text. * * Copyright (c) 2005-2010, Nitobi Software Inc. * Copyright (c) 2010, IBM Corporation */ package com.phonegap; import java.io.EOFException; import java.io.FileOutputStream; import java.io.InputStream; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; public class HttpHandler { protected Boolean get(String url, String file) { HttpEntity entity = getHttpEntity(url); try { writeToDisk(entity, file); } catch (Exception e) { e.printStackTrace(); return false; } try { entity.consumeContent(); } catch (Exception e) { e.printStackTrace(); return false; } return true; } private HttpEntity getHttpEntity(String url) /** * get the http entity at a given url */ { HttpEntity entity = null; try { DefaultHttpClient httpclient = new DefaultHttpClient(); HttpGet httpget = new HttpGet(url); HttpResponse response = httpclient.execute(httpget); entity = response.getEntity(); } catch (Exception e) { e.printStackTrace(); return null; } return entity; } private void writeToDisk(HttpEntity entity, String file) throws EOFException /** * writes a HTTP entity to the specified filename and location on disk */ { int i = 0; String FilePath = "/sdcard/" + file; try { InputStream in = entity.getContent(); byte buff[] = new byte[1024]; FileOutputStream out = new FileOutputStream(FilePath); do { int numread = in.read(buff); if (numread <= 0) break; out.write(buff, 0, numread); i++; } while (true); out.flush(); out.close(); } catch (Exception e) { e.printStackTrace(); } } }