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package tools;

import java.io.File;
import java.io.IOException;

import javax.xml.rpc.holders.StringHolder;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.multipart.FilePart;
import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
import org.apache.commons.httpclient.methods.multipart.Part;
import org.apache.commons.httpclient.methods.multipart.StringPart;



public class UploadHelper {
    public static int post(String url,File[] files,NameValue[] nvs,StringHolder response) throws IOException{
        int status = 0;
        HttpClient client =  new HttpClient();
        PostMethod method = new PostMethod(url);
        Part[] parts = new Part[files.length+nvs.length];
        int index = 0;
        for(File file:files){
            parts[index++]=new FilePart(file.getName(), file);
        }
        for(NameValue nv:nvs){
            parts[index++]=new StringPart(nv.name, nv.value);
        }
        MultipartRequestEntity entry = new MultipartRequestEntity(parts, method.getParams());
        method.setRequestEntity(entry);
        try {
            status = client.executeMethod(method);
            response.value=new String(method.getResponseBody(),method.getResponseCharSet());
        } catch (HttpException e) {
            e.printStackTrace();
            throw e;
        } catch (IOException e) {
            e.printStackTrace();
            throw e;
        }finally{
            method.releaseConnection();
        }
        return status;
    }
}

class NameValue{
    public String name;
    public String value;
}