Java code with Android Multi part entity

Following sample Android java code shows how to use Android Multi part entity
package com.indiacitys.cityclassifieds; /** * Created by Welcome on 09-09-2015. */ 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; @SuppressWarnings("deprecation") public class AndroidMultiPartEntity extends MultipartEntity { private final ProgressListener listener; public AndroidMultiPartEntity(final ProgressListener listener) { super(); this.listener = listener; } public AndroidMultiPartEntity(final HttpMultipartMode mode, final ProgressListener listener) { super(mode); this.listener = listener; } public AndroidMultiPartEntity(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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