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我只是在学习,所以我需要你的建议。我找到了演示HttpClient进度监听器的代码示例。这是好的,但我不知道如何实现ProgressListener接口(看这个代码...)与我的代码,因为ProgressListener接口是一个内部接口,但我的HttpClient代码是在另一个类:(请告诉我的示例技巧。验证码:HttpClient和ProgressListener - 帮助实现
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 CountingMultipartEntity extends MultipartEntity {
private final ProgressListener listener;
public CountingMultipartEntity(final ProgressListener listener) {
super();
this.listener = listener;
}
public CountingMultipartEntity(final HttpMultipartMode mode, final ProgressListener listener) {
super(mode);
this.listener = listener;
}
public CountingMultipartEntity(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);
}
}
}
非常感谢任何有用的信息
安德鲁
为什么HttpClient的。 ? – user592704 2011-03-16 05:13:15
请显示更详细的摘录:( – user592704 2011-03-16 05:15:21
谢谢,但我不明白...为什么你想用这个片段说HttpClient.ProgressListener?因为演示类的名字是CountingMultipartEntity,不是吗?什么HttpClient。 (...)用于? – user592704 2011-03-16 05:22:44