Examples with NetworkEvent com.codename1.io.NetworkEvent used on opensource projects

Example 21 with NetworkEvent

use of com.codename1.io.NetworkEvent in project CodenameOne by codenameone.

the class RSSService method readResponse.

/**
 * {@inheritDoc}
 */
protected void readResponse(InputStream input) throws IOException {
    results = new Vector();
    class FinishParsing extends RuntimeException {
    }
    XMLParser p = new XMLParser() {

        private String lastTag;

        private Hashtable current;

        private String url;

        protected boolean startTag(String tag) {
            if ("item".equalsIgnoreCase(tag) || "entry".equalsIgnoreCase(tag)) {
                if (startOffset > 0) {
                    return true;
                }
                current = new Hashtable();
                if (iconPlaceholder != null) {
                    current.put("icon", iconPlaceholder);
                }
            }
            lastTag = tag;
            return true;
        }

        protected void attribute(String tag, String attributeName, String value) {
            if (current != null) {
                if ("media:thumbnail".equalsIgnoreCase(tag) && "url".equalsIgnoreCase(attributeName)) {
                    current.put("thumb", value);
                } else {
                    if ("media:player".equalsIgnoreCase(tag) && "url".equalsIgnoreCase(attributeName)) {
                        current.put("player", value);
                    }
                }
            }
        }

        protected void textElement(String text) {
            if (lastTag != null && current != null) {
                // make "ATOM" seem like RSS
                if ("summary".equals(lastTag)) {
                    current.put("details", text);
                } else {
                    if ("content".equals(lastTag)) {
                        current.put("description", text);
                    } else {
                        current.put(lastTag, text);
                    }
                }
            }
        }

        protected void endTag(String tag) {
            if ("item".equalsIgnoreCase(tag) || "entry".equalsIgnoreCase(tag)) {
                if (startOffset > 0) {
                    startOffset--;
                    return;
                }
                results.addElement(current);
                current = null;
                if (limit > -1 && results.size() >= limit) {
                    throw new FinishParsing();
                }
            }
            if (tag.equals(lastTag)) {
                lastTag = null;
            }
        }
    };
    p.setParserCallback(this);
    input.mark(10);
    // Skip the bom marking UTF-8 in some streams
    while (input.read() != '<') {
    // input.mark(4);
    }
    int question = input.read();
    String cType = "UTF-8";
    if (question == '?') {
        // we are in an XML header, check if the encoding section exists
        StringBuilder cs = new StringBuilder();
        question = input.read();
        while (question != '>') {
            cs.append((char) question);
            question = input.read();
        }
        String str = cs.toString();
        int index = str.indexOf("encoding=\"") + 10;
        if (index > -1) {
            cType = str.substring(index, Math.max(str.indexOf("\"", index), str.indexOf("'", index)));
        }
    } else {
        // oops, continue as usual
        input.reset();
    }
    String resultType = getResponseContentType();
    if (resultType != null && resultType.indexOf("charset=") > -1) {
        cType = resultType.substring(resultType.indexOf("charset=") + 8);
    }
    try {
        int pos2 = cType.indexOf(';');
        if (pos2 > 0) {
            cType = cType.substring(0, pos2);
        }
        p.eventParser(new InputStreamReader(input, cType));
    } catch (FinishParsing ignor) {
        hasMore = true;
    }
    if (isCreatePlainTextDetails()) {
        int elementCount = results.size();
        for (int iter = 0; iter < elementCount; iter++) {
            Hashtable h = (Hashtable) results.elementAt(iter);
            String s = (String) h.get("description");
            if (s != null && !h.containsKey("details")) {
                XMLParser x = new XMLParser();
                Element e = x.parse(new CharArrayReader(("<xml>" + s + "</xml>").toCharArray()));
                Vector results = e.getTextDescendants(null, false);
                StringBuilder endResult = new StringBuilder();
                for (int i = 0; i < results.size(); i++) {
                    endResult.append(((Element) results.elementAt(i)).getText());
                }
                h.put("details", endResult.toString());
            }
        }
    }
    fireResponseListener(new NetworkEvent(this, results));
}

Example 22 with NetworkEvent

use of com.codename1.io.NetworkEvent in project CodenameOne by codenameone.

the class ImageDownloadService method createImageToFileSystem.

/**
 * Constructs an image request that will automatically populate the given Label
 * when the response arrives, it will cache the file locally.
 *
 * @param url the image URL
 * @param callback the callback that should be updated when the data arrives
 * @param destFile local file to store the data into the given path
 */
public static void createImageToFileSystem(String url, ActionListener callback, String destFile) {
    Image im = cacheImage(null, false, destFile, null, null, defaultMaintainAspectRatio);
    if (im != null) {
        callback.actionPerformed(new NetworkEvent(null, im));
        return;
    }
    // image not found on cache go and download from the url
    ImageDownloadService i = new ImageDownloadService(url, callback);
    i.cacheImages = true;
    i.destinationFile = destFile;
    i.setFailSilently(true);
    NetworkManager.getInstance().addToQueue(i);
}

Example 23 with NetworkEvent

use of com.codename1.io.NetworkEvent in project CodenameOne by codenameone.

the class ImageDownloadService method createImageToStorage.

/**
 * Constructs an image request that will automatically populate the given Label
 * when the response arrives, it will cache the file locally.
 *
 * @param url the image URL
 * @param callback the callback that should be updated when the data arrives
 * @param cacheId a unique identifier to be used to store the image into storage
 * @param keep if set to true keeps the file in RAM once loaded
 */
public static void createImageToStorage(String url, ActionListener callback, String cacheId, boolean keep) {
    Image im = cacheImage(cacheId, keep, null, null, null, defaultMaintainAspectRatio);
    if (im != null) {
        callback.actionPerformed(new NetworkEvent(null, im));
        return;
    }
    // image not found on cache go and download from the url
    ImageDownloadService i = new ImageDownloadService(url, callback);
    i.cacheImages = true;
    i.cacheId = cacheId;
    i.setFailSilently(true);
    NetworkManager.getInstance().addToQueue(i);
}

Example 24 with NetworkEvent

use of com.codename1.io.NetworkEvent in project CodenameOne by codenameone.

the class ImageDownloadService method handleErrorResponseCode.

/**
 * {@inheritDoc}
 */
protected void handleErrorResponseCode(int code, String message) {
    if (onErrorListeners != null) {
        NetworkEvent ne = new NetworkEvent(this, code, message);
        onErrorListeners.fireActionEvent(ne);
    }
}

Example 25 with NetworkEvent

use of com.codename1.io.NetworkEvent in project CodenameOne by codenameone.

the class ImageDownloadService method handleException.

/**
 * {@inheritDoc}
 */
protected void handleException(Exception err) {
    if (onErrorListeners != null) {
        NetworkEvent ne = new NetworkEvent(this, err);
        onErrorListeners.fireActionEvent(ne);
    }
}