Example usage for org.apache.commons.httpclient HttpMethod releaseConnection

List of usage examples for org.apache.commons.httpclient HttpMethod releaseConnection

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Introduction

In this page you can find the example usage for org.apache.commons.httpclient HttpMethod releaseConnection.

Prototype

public abstract void releaseConnection();

Source Link

Usage

From source file:com.panoramagl.downloaders.PLHTTPFileDownloader.java

/**download methods*/

@Override/*from   w ww .j  a va2 s  .  c o m*/
protected byte[] downloadFile() {
    this.setRunning(true);
    byte[] result = null;
    InputStream is = null;
    ByteArrayOutputStream bas = null;
    String url = this.getURL();
    PLFileDownloaderListener listener = this.getListener();
    boolean hasListener = (listener != null);
    int responseCode = -1;
    long startTime = System.currentTimeMillis();
    // HttpClient instance
    HttpClient client = new HttpClient();
    // Method instance
    HttpMethod method = new GetMethod(url);
    // Method parameters
    HttpMethodParams methodParams = method.getParams();
    methodParams.setParameter(HttpMethodParams.USER_AGENT, "PanoramaGL Android");
    methodParams.setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");
    methodParams.setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(this.getMaxAttempts(), false));
    try {
        // Execute the method
        responseCode = client.executeMethod(method);
        if (responseCode != HttpStatus.SC_OK)
            throw new IOException(method.getStatusText());
        // Get content length
        Header header = method.getRequestHeader("Content-Length");
        long contentLength = (header != null ? Long.parseLong(header.getValue()) : 1);
        if (this.isRunning()) {
            if (hasListener)
                listener.didBeginDownload(url, startTime);
        } else
            throw new PLRequestInvalidatedException(url);
        // Get response body as stream
        is = method.getResponseBodyAsStream();
        bas = new ByteArrayOutputStream();
        byte[] buffer = new byte[256];
        int length = 0, total = 0;
        // Read stream
        while ((length = is.read(buffer)) != -1) {
            if (this.isRunning()) {
                bas.write(buffer, 0, length);
                total += length;
                if (hasListener)
                    listener.didProgressDownload(url, (int) (((float) total / (float) contentLength) * 100.0f));
            } else
                throw new PLRequestInvalidatedException(url);
        }
        if (total == 0)
            throw new IOException("Request data has invalid size (0)");
        // Get data
        if (this.isRunning()) {
            result = bas.toByteArray();
            if (hasListener)
                listener.didEndDownload(url, result, System.currentTimeMillis() - startTime);
        } else
            throw new PLRequestInvalidatedException(url);
    } catch (Throwable e) {
        if (this.isRunning()) {
            PLLog.error("PLHTTPFileDownloader::downloadFile", e);
            if (hasListener)
                listener.didErrorDownload(url, e.toString(), responseCode, result);
        }
    } finally {
        if (bas != null) {
            try {
                bas.close();
            } catch (IOException e) {
                PLLog.error("PLHTTPFileDownloader::downloadFile", e);
            }
        }
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                PLLog.error("PLHTTPFileDownloader::downloadFile", e);
            }
        }
        // Release the connection
        method.releaseConnection();
    }
    this.setRunning(false);
    return result;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

public List<LearningObjectInstanceUserReport> getLearningObjectInstanceUserReports(int instanceId,
        int learningObjectId, int pageIndex, int pageSize, LearningObjectInstanceUserReport.OrderBy orderBy,
        OrderDirection orderDirection) throws Exception {
    String uri = String.format(_baseUri + "/LearningObjectService.svc/learningObjects/%s/instances/%s/Reports",
            learningObjectId, instanceId);
    uri = AppendPagingParams(uri, pageIndex, pageSize, orderBy, orderDirection);

    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    List<LearningObjectInstanceUserReport> reports = new ArrayList<LearningObjectInstanceUserReport>();
    try {/*from w  w w . j a  v a 2s . c o m*/
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            reports = deserializeXMLToListOfLearningObjectInstanceUserReport(method.getResponseBodyAsStream());
        }

    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return reports;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

public List<AssessmentStatus> getPossibleAssessmentStatuses(int instanceId, int learningObjectId)
        throws Exception {
    String uri = String.format(
            _baseUri + "/LearningObjectService.svc/learningObjects/%s/instances/%s/PossibleAssessmentStatuses",
            learningObjectId, instanceId);
    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    List<AssessmentStatus> assessmentStatuses = new ArrayList<AssessmentStatus>();
    try {//from w ww.j a  va  2s  .  c om
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            assessmentStatuses = deserializeXMLToListOfPossibleAssessmentStatuses(
                    method.getResponseBodyAsStream());
        }

    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return assessmentStatuses;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

public int getLearningObjectInstanceUsersCount(int instanceId, int learningObjectId, int[] userIds,
        boolean includeTeachers) throws Exception {
    String uri = String.format(
            _baseUri + "/LearningObjectService.svc/learningObjects/%s/instances/%s/Users/count",
            learningObjectId, instanceId);
    uri = appendLearningObjectInstanceUsersExtraParameters(uri, userIds, includeTeachers);

    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    int usersCount = 0;
    try {/*from  ww w.  j  a v a  2s  . co  m*/
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            SAXReader reader = new SAXReader();
            Document doc = reader.read(method.getResponseBodyAsStream());
            usersCount = Integer.parseInt(doc.getRootElement().getText());
        }
    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return usersCount;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

public int getLearningObjectInstanceUserReportsCount(int instanceId, int learningObjectId) throws Exception {
    String uri = String.format(
            _baseUri + "/LearningObjectService.svc/learningObjects/%s/instances/%s/Reports/count",
            learningObjectId, instanceId);
    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    int reportsCount = 0;
    try {//  w  w  w .j a va 2s  .  c om
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            SAXReader reader = new SAXReader();
            Document doc = reader.read(method.getResponseBodyAsStream());
            reportsCount = Integer.parseInt(doc.getRootElement().getText());
        }
    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return reportsCount;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

public List<AssessmentStatusItem> getAssessmentStatusItems(int instanceId, int learningObjectId)
        throws Exception {
    String uri = String.format(
            _baseUri + "/LearningObjectService.svc/learningObjects/%s/instances/%s/AssessmentStatusItems",
            learningObjectId, instanceId);
    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    List<AssessmentStatusItem> assessmentStatusItems = new ArrayList<AssessmentStatusItem>();
    try {//from w  ww. j ava2 s .  co m
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            assessmentStatusItems = deserializeXMLToListOfAssessmentStatusItems(
                    method.getResponseBodyAsStream());
        }

    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return assessmentStatusItems;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

/**
 * Get a list of collaborations participants for instance.
 * @param learningObjectId//from www.  j a  va  2s . co  m
 * @param instanceId
 * @param collaborationIds The array of user IDs to filter by.
 * @return
 * @throws java.lang.Exception
 */
public List<CollaborationParticipant> getLearningObjectInstanceCollaborationsParticipants(int learningObjectId,
        int instanceId, int[] collaborationIds) throws Exception {
    String uri = String.format(_baseUri
            + "/LearningObjectService.svc/learningObjects/%s/instances/%s/collaborations/participants?collaborationIds=%s",
            learningObjectId, instanceId, intArrayToCsvString(collaborationIds));

    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    List<CollaborationParticipant> collaborationParticipants = new ArrayList<CollaborationParticipant>();
    try {
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            collaborationParticipants = deserializeXMLToListOfCollaborationParticipant(
                    method.getResponseBodyAsStream());
        }
    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return collaborationParticipants;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

public Site getSiteForCurrentUser() throws Exception {
    String uri = String.format(_baseUri + "/LearningObjectService.svc/SiteForCurrentUser");
    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    Site siteForUser = null;//  w ww . ja v  a  2 s  .c  o  m
    try {
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            if (Integer.parseInt(method.getResponseHeader("Content-Length").getValue()) > 0) {
                siteForUser = deserializeXMLToSite(method.getResponseBodyAsStream());
            } else {
                return null;
            }
        }

    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return siteForUser;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

/**
 * Returns customer settings/*from   www . j  ava2 s.com*/
 */
public CustomerSettings getCustomerSettings() throws Exception {
    String uri = String.format(_baseUri + "/LearningObjectService.svc/CustomerSettings");
    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    CustomerSettings customerSettings = null;
    try {
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            if (Integer.parseInt(method.getResponseHeader("Content-Length").getValue()) > 0) {
                customerSettings = deserializeXMLToCustomerSettings(method.getResponseBodyAsStream());
            } else {
                return null;
            }
        }
    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return customerSettings;
}

From source file:itslearning.platform.restapi.sdk.learningtoolapp.LearningObjectServicetRestClient.java

public List<RubricCriteriaItem> getRubricCriteria(int learningObjectId, int instanceId) throws Exception {
    String uri = String.format(
            _baseUri + "/LearningObjectService.svc/learningObjects/%s/instances/%s/RubricCriteria",
            learningObjectId, instanceId);
    HttpMethod method = getInitializedHttpMethod(_httpClient, uri, HttpMethodType.GET);
    List<RubricCriteriaItem> criteriaCreator = new ArrayList<RubricCriteriaItem>();
    try {//from  w  ww  . ja  v a 2s. c  o  m
        int statusCode = _httpClient.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            throw new HTTPException(statusCode);
        } else {
            if (Integer.parseInt(method.getResponseHeader("Content-Length").getValue()) > 0) {
                criteriaCreator = deserializeXMLToCriteria(method.getResponseBodyAsStream());
            } else {
                return null;
            }
        }
    } catch (Exception ex) {
        ExceptionHandler.handle(ex);
    } finally {
        method.releaseConnection();
    }
    return criteriaCreator;
}