import java.io.File;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
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 RtCommentSample {

    public static void main(String[] args) {

    	String targetURL = args[0]+"/REST/1.0/ticket/"+args[1]+"/comment?user=root&pass=password";

    	PostMethod filePost = new PostMethod(targetURL);

  		try {

    		String content = "id: "+args[1]+"\nAction: comment\nText: "+args[2];


    		Part[] parts = null;

    		if(args.length > 3){
    			parts = new Part[2];

    			File targetFile = new File(args[3]);
    			parts[0] = new FilePart("attachment_1",targetFile.getName(), targetFile);

    			content += "\nAttachment: "+targetFile.getName();

    		}else{
    			parts = new Part[1];
    		}

    		System.out.println(content);

    		parts[parts.length -1] = new StringPart("content",content);

    		filePost.setRequestEntity(new MultipartRequestEntity(parts, filePost.getParams()));

            HttpClient client = new HttpClient();
            client.getHttpConnectionManager(). getParams().setConnectionTimeout(5000);

            int status = client.executeMethod(filePost);
            if (status == HttpStatus.SC_OK) {
                System.out.println("Upload complete, response=" + filePost.getResponseBodyAsString());
            } else {
                System.out.println("Upload failed, response=" + HttpStatus.getStatusText(status));
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        } finally {
            filePost.releaseConnection();
        }
	}
}