send data in body instead of header, damn library makes it much more complicate than necessary

import org.apache.commons.httpclient.HttpStatus;

import org.apache.commons.httpclient.NameValuePair;

import org.apache.commons.httpclient.methods.PutMethod;

import org.apache.commons.httpclient.methods.StringRequestEntity;

import org.json.JSONObject;

import java.net.URLEncoder;

import java.util.ArrayList;

     */

    public UpdateMetadataOperation(String fileId, String encryptedMetadataJson, String token) {

        this.fileId = fileId;

        this.encryptedMetadataJson = encryptedMetadataJson;

        this.encryptedMetadataJson = URLEncoder.encode(encryptedMetadataJson);

        this.token = token;

    }

            putMethod.addRequestHeader(OCS_API_HEADER, OCS_API_HEADER_VALUE);

            putMethod.addRequestHeader("Content-Type", "application/x-www-form-urlencoded");

            NameValuePair[] putParams = new NameValuePair[3];

            putParams[0] = new NameValuePair("metaData", encryptedMetadataJson);

            putParams[1] = new NameValuePair("token", token);

            putParams[2] = new NameValuePair("format", "json");

            NameValuePair[] putParams = new NameValuePair[2];

            putParams[0] = new NameValuePair("token", token);

            putParams[1] = new NameValuePair("format", "json");

            putMethod.setQueryString(putParams);

            StringRequestEntity data = new StringRequestEntity("metaData="+encryptedMetadataJson, 

                    "application/json", "UTF-8");

            putMethod.setRequestEntity(data);

            int status = client.executeMethod(putMethod, SYNC_READ_TIMEOUT, SYNC_CONNECTION_TIMEOUT);

            if (status == HttpStatus.SC_OK) {