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    • org.solovyev.android.http.DownloadFileAsyncTask Maven / Gradle / Ivy

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    package org.solovyev.android.http;

import android.content.Context;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.solovyev.android.RuntimeIoException;
import org.solovyev.android.async.CommonAsyncTask;
import org.solovyev.common.Converter;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

/**
 * User: serso
 * Date: 5/29/12
 * Time: 9:50 PM
 */
public class DownloadFileAsyncTask extends CommonAsyncTask> {

    @Nullable
    private OnPostExecute> onPostExecute;

    public DownloadFileAsyncTask(@NotNull Context context) {
        super(context);
    }

    public DownloadFileAsyncTask(@NotNull Context context, @NotNull OnPostExecute> onPostExecute) {
        super(context);
        this.onPostExecute = onPostExecute;
    }

    @NotNull
    @Override
    protected List doWork(@NotNull List params) {
        final List result = new ArrayList();
        for (Input param : params) {
            final DownloadFileHttpTransaction downloadFileHttpTransaction = new DownloadFileHttpTransaction(param.getUri(), param.getMethod(), param.getFileConverter());
            try {
                result.add(AndroidHttpUtils.execute(downloadFileHttpTransaction));
            } catch (IOException e) {
                throw new RuntimeIoException(e);
            }
        }

        return result;
    }

    @Override
    protected void onSuccessPostExecute(@Nullable List result) {
        if ( onPostExecute != null ) {
            assert result != null;
            onPostExecute.onPostExecute(result);
        }
    }

    @Override
    protected void onFailurePostExecute(@NotNull Exception e) {
        if ( e instanceof RuntimeIoException ) {
            // no internet connection => ok
        } else {
            defaultOnFailurePostExecute(e);
        }
    }

    public static interface OnPostExecute {
        void onPostExecute(@NotNull R result);
    }

    public static class Input {

        @NotNull
        private String uri;

        @NotNull
        private HttpMethod method;

        @NotNull
        private Converter fileConverter;

        public Input(@NotNull String uri, @NotNull HttpMethod method, @NotNull Converter fileConverter) {
            this.uri = uri;
            this.method = method;
            this.fileConverter = fileConverter;
        }


        @NotNull
        public String getUri() {
            return uri;
        }

        @NotNull
        public HttpMethod getMethod() {
            return method;
        }

        @NotNull
        public Converter getFileConverter() {
            return (Converter) fileConverter;
        }
    }
}
    
    
    
    

    




    
    
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