"Added http upload functionality

2 files changed, 177 insertions, 0 deletions

diff --git a/src/com/lc8n/util/FileUploader.java b/src/com/lc8n/util/FileUploader.java
new file mode 100644
index 0000000..815c33a
--- /dev/null
+++ b/src/com/lc8n/util/FileUploader.java
@@ -0,0 +1,106 @@
+/**
+ * 
+ */
+package com.lc8n.util;
+
+import java.io.File;
+
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.mime.content.FileBody;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.protocol.BasicHttpContext;
+import org.apache.http.protocol.HttpContext;
+import org.apache.http.util.EntityUtils;
+
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.os.AsyncTask;
+import android.util.Log;
+
+import com.lc8n.util.ProgressMultipartEntity;
+import com.lc8n.util.ProgressMultipartEntity.ProgressListener;
+
+
+/**
+ * @author joe
+ *
+ */
+public class FileUploader extends AsyncTask<File, Integer, String> {
+	
+	ProgressDialog pd;
+	int totalSize;
+	protected Context mContext;
+	
+    public FileUploader(Context context) {
+
+        mContext = context;
+    }
+	@Override
+	protected void onPreExecute()
+	{
+
+	}
+	
+	public void prepare(int max) {
+		pd = new ProgressDialog(mContext);
+		pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
+		pd.setMessage("Uploading File...");
+		pd.setCancelable(false);
+		pd.setMax(max);
+		pd.show();
+	}
+
+	@Override
+	protected String doInBackground(File... file) {
+		
+		HttpClient httpClient = new DefaultHttpClient();
+		HttpContext httpContext = new BasicHttpContext();
+		HttpPost httpPost = new HttpPost("http://www.blaupload.co.uk/upload_file.php");
+		Log.d("File", file[0].getName());
+		
+		try
+		{
+			ProgressMultipartEntity multipartContent = new ProgressMultipartEntity(new ProgressListener()
+			{
+				
+				public void transferred(long num)
+				{
+					Log.d("Progress", String.valueOf(num));
+					publishProgress((int)(num/1024));
+				}
+			});
+
+			// We use FileBody to transfer an image
+			multipartContent.addPart("file", new FileBody(file[0]));
+
+			totalSize = (int)(multipartContent.getContentLength()/1024);
+			Log.d("Size", String.valueOf(totalSize));
+			// Send it
+			httpPost.setEntity(multipartContent);
+			HttpResponse response = httpClient.execute(httpPost, httpContext);
+			String serverResponse = EntityUtils.toString(response.getEntity());
+
+			return serverResponse;
+		}
+
+		catch (Exception e)
+		{
+			System.out.println(e);
+		}
+		return null;
+	}
+
+	@Override
+	protected void onProgressUpdate(Integer... progress)
+	{
+		pd.setProgress((int) (progress[0]));
+	}
+
+	@Override
+	protected void onPostExecute(String a)
+	{
+		pd.dismiss();
+	}
+}
diff --git a/src/com/lc8n/util/ProgressMultipartEntity.java b/src/com/lc8n/util/ProgressMultipartEntity.java
new file mode 100644
index 0000000..fefe053
--- /dev/null
+++ b/src/com/lc8n/util/ProgressMultipartEntity.java
@@ -0,0 +1,71 @@
+package com.lc8n.util;
+
+import java.io.FilterOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.charset.Charset;
+import org.apache.http.entity.mime.HttpMultipartMode;
+import org.apache.http.entity.mime.MultipartEntity;
+ 
+public class ProgressMultipartEntity extends MultipartEntity
+{
+ 
+	private final ProgressListener listener;
+ 
+	public ProgressMultipartEntity(final ProgressListener listener)
+	{
+		super();
+		this.listener = listener;
+	}
+ 
+	public ProgressMultipartEntity(final HttpMultipartMode mode, final ProgressListener listener)
+	{
+		super(mode);
+		this.listener = listener;
+	}
+ 
+	public ProgressMultipartEntity(HttpMultipartMode mode, final String boundary, final Charset charset, final ProgressListener listener)
+	{
+		super(mode, boundary, charset);
+		this.listener = listener;
+	}
+ 
+	@Override
+	public void writeTo(final OutputStream outstream) throws IOException
+	{
+		super.writeTo(new CountingOutputStream(outstream, this.listener));
+	}
+ 
+	public static interface ProgressListener
+	{
+		void transferred(long num);
+	}
+ 
+	public static class CountingOutputStream extends FilterOutputStream
+	{
+ 
+		private final ProgressListener listener;
+		private long transferred;
+ 
+		public CountingOutputStream(final OutputStream out, final ProgressListener listener)
+		{
+			super(out);
+			this.listener = listener;
+			this.transferred = 0;
+		}
+ 
+		public void write(byte[] b, int off, int len) throws IOException
+		{
+			out.write(b, off, len);
+			this.transferred += len;
+			this.listener.transferred(this.transferred);
+		}
+ 
+		public void write(int b) throws IOException
+		{
+			out.write(b);
+			this.transferred++;
+			this.listener.transferred(this.transferred);
+		}
+	}
+}
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