Examples with TURequest org.olat.course.nodes.tu.TURequest used on opensource projects

Example 1 with TURequest

use of org.olat.course.nodes.tu.TURequest in project openolat by klemens.

the class TunnelComponent method getAsyncMediaResource.

/**
 * @see org.olat.core.gui.media.AsyncMediaResponsible#getAsyncMediaResource(org.olat.core.gui.UserRequest)
 */
public MediaResource getAsyncMediaResource(UserRequest ureq) {
    String moduleURI = ureq.getModuleURI();
    // ../index.php instead everything works as expected
    if (moduleURI == null) {
        // after a click on some other component e.g.
        if (!firstCall)
            return null;
        // reset first call
        firstCall = false;
    }
    TURequest tureq = new TURequest(config, ureq);
    fillTURequestWithUserInfo(tureq, ureq);
    HttpResponse response = fetch(tureq, httpClientInstance);
    if (response == null) {
        setFetchError();
        return null;
    }
    Header responseHeader = response.getFirstHeader("Content-Type");
    if (responseHeader == null) {
        setFetchError();
        return null;
    }
    String mimeType = responseHeader.getValue();
    if (mimeType != null && mimeType.startsWith("text/html")) {
        // we have html content, let doDispatch handle it for
        // inline rendering, update hreq for next content request
        String body;
        try {
            body = EntityUtils.toString(response.getEntity());
        } catch (IOException e) {
            log.warn("Problems when tunneling URL::" + tureq.getUri(), e);
            return null;
        }
        SimpleHtmlParser parser = new SimpleHtmlParser(body);
        if (!parser.isValidHtml()) {
            // asynchronuous
            return new HttpRequestMediaResource(response);
        }
        htmlHead = parser.getHtmlHead();
        jsOnLoad = parser.getJsOnLoad();
        htmlContent = parser.getHtmlContent();
        setDirty(true);
    } else {
        // this is a async browser
        return new HttpRequestMediaResource(response);
    }
    // refetch
    return null;
}

Example 2 with TURequest

use of org.olat.course.nodes.tu.TURequest in project OpenOLAT by OpenOLAT.

the class TunnelComponent method getAsyncMediaResource.

/**
 * @see org.olat.core.gui.media.AsyncMediaResponsible#getAsyncMediaResource(org.olat.core.gui.UserRequest)
 */
public MediaResource getAsyncMediaResource(UserRequest ureq) {
    String moduleURI = ureq.getModuleURI();
    // ../index.php instead everything works as expected
    if (moduleURI == null) {
        // after a click on some other component e.g.
        if (!firstCall)
            return null;
        // reset first call
        firstCall = false;
    }
    TURequest tureq = new TURequest(config, ureq);
    fillTURequestWithUserInfo(tureq, ureq);
    HttpResponse response = fetch(tureq, httpClientInstance);
    if (response == null) {
        setFetchError();
        return null;
    }
    Header responseHeader = response.getFirstHeader("Content-Type");
    if (responseHeader == null) {
        setFetchError();
        return null;
    }
    String mimeType = responseHeader.getValue();
    if (mimeType != null && mimeType.startsWith("text/html")) {
        // we have html content, let doDispatch handle it for
        // inline rendering, update hreq for next content request
        String body;
        try {
            body = EntityUtils.toString(response.getEntity());
        } catch (IOException e) {
            log.warn("Problems when tunneling URL::" + tureq.getUri(), e);
            return null;
        }
        SimpleHtmlParser parser = new SimpleHtmlParser(body);
        if (!parser.isValidHtml()) {
            // asynchronuous
            return new HttpRequestMediaResource(response);
        }
        htmlHead = parser.getHtmlHead();
        jsOnLoad = parser.getJsOnLoad();
        htmlContent = parser.getHtmlContent();
        setDirty(true);
    } else {
        // this is a async browser
        return new HttpRequestMediaResource(response);
    }
    // refetch
    return null;
}

Example 3 with TURequest

use of org.olat.course.nodes.tu.TURequest in project OpenOLAT by OpenOLAT.

the class TunnelComponent method fetchFirstResource.

private void fetchFirstResource(UserRequest ureq) {
    // config, ureq);
    TURequest tureq = new TURequest();
    // not used
    tureq.setContentType(null);
    tureq.setMethod("GET");
    tureq.setParameterMap(Collections.<String, String[]>emptyMap());
    tureq.setQueryString(query);
    if (startUri != null) {
        if (startUri.startsWith("/")) {
            tureq.setUri(startUri);
        } else {
            tureq.setUri("/" + startUri);
        }
    }
    fillTURequestWithUserInfo(tureq, ureq);
    HttpResponse response = fetch(tureq, httpClientInstance);
    if (response == null) {
        setFetchError();
    } else {
        Header responseHeader = response.getFirstHeader("Content-Type");
        String mimeType;
        if (responseHeader == null) {
            setFetchError();
            mimeType = null;
        } else {
            mimeType = responseHeader.getValue();
        }
        if (mimeType != null && mimeType.startsWith("text/html")) {
            // we have html content, let doDispatch handle it for
            // inline rendering, update hreq for next content request
            String body;
            try {
                body = EntityUtils.toString(response.getEntity());
            } catch (IOException e) {
                log.warn("Problems when tunneling URL::" + tureq.getUri(), e);
                htmlContent = "Error: cannot display inline :" + tureq.getUri() + ": Unknown transfer problem '";
                return;
            }
            SimpleHtmlParser parser = new SimpleHtmlParser(body);
            if (!parser.isValidHtml()) {
            // this is not valid HTML, deliver
            // asynchronuous
            }
            htmlHead = parser.getHtmlHead();
            jsOnLoad = parser.getJsOnLoad();
            htmlContent = parser.getHtmlContent();
        } else {
            htmlContent = "Error: cannot display inline :" + tureq.getUri() + ": mime type was '" + mimeType + "' but expected 'text/html'. Response header was '" + responseHeader + "'.";
        }
    }
}

Example 4 with TURequest

use of org.olat.course.nodes.tu.TURequest in project openolat by klemens.

the class TunnelComponent method fetchFirstResource.

private void fetchFirstResource(UserRequest ureq) {
    // config, ureq);
    TURequest tureq = new TURequest();
    // not used
    tureq.setContentType(null);
    tureq.setMethod("GET");
    tureq.setParameterMap(Collections.<String, String[]>emptyMap());
    tureq.setQueryString(query);
    if (startUri != null) {
        if (startUri.startsWith("/")) {
            tureq.setUri(startUri);
        } else {
            tureq.setUri("/" + startUri);
        }
    }
    fillTURequestWithUserInfo(tureq, ureq);
    HttpResponse response = fetch(tureq, httpClientInstance);
    if (response == null) {
        setFetchError();
    } else {
        Header responseHeader = response.getFirstHeader("Content-Type");
        String mimeType;
        if (responseHeader == null) {
            setFetchError();
            mimeType = null;
        } else {
            mimeType = responseHeader.getValue();
        }
        if (mimeType != null && mimeType.startsWith("text/html")) {
            // we have html content, let doDispatch handle it for
            // inline rendering, update hreq for next content request
            String body;
            try {
                body = EntityUtils.toString(response.getEntity());
            } catch (IOException e) {
                log.warn("Problems when tunneling URL::" + tureq.getUri(), e);
                htmlContent = "Error: cannot display inline :" + tureq.getUri() + ": Unknown transfer problem '";
                return;
            }
            SimpleHtmlParser parser = new SimpleHtmlParser(body);
            if (!parser.isValidHtml()) {
            // this is not valid HTML, deliver
            // asynchronuous
            }
            htmlHead = parser.getHtmlHead();
            jsOnLoad = parser.getJsOnLoad();
            htmlContent = parser.getHtmlContent();
        } else {
            htmlContent = "Error: cannot display inline :" + tureq.getUri() + ": mime type was '" + mimeType + "' but expected 'text/html'. Response header was '" + responseHeader + "'.";
        }
    }
}