attachment support

[kleinmantara]

Code example for the PushoverRestClient class with the dependencies to httpmime.

    private static final ContentType plainUTF = ContentType.create("text/plain", MIME.UTF8_CHARSET);

    public Status pushMessage(PushoverMessage msg) throws PushoverException {
        final MultipartEntityBuilder builder = MultipartEntityBuilder.create();
        builder.addTextBody("token", msg.getApiToken(), plainUTF);
        builder.addTextBody("user", msg.getUserId(), plainUTF);
        builder.addTextBody("message", msg.getMessage(), plainUTF);

        addBodyIfNotNull(builder, "title", msg.getTitle());

        addBodyIfNotNull(builder, "url", msg.getUrl());
        addBodyIfNotNull(builder, "url_title", msg.getTitle());

        addBodyIfNotNull(builder, "device", msg.getDevice());
        addBodyIfNotNull(builder, "timestamp", "" + msg.getTimestamp());
        addBodyIfNotNull(builder, "sound", msg.getSound());
        addBodyIfNotNull(builder, "html", msg.isHtml() ? "1" : "0");

        if (!MessagePriority.NORMAL.equals(msg.getPriority())) {
            addBodyIfNotNull(builder, "priority", "" + msg.getPriority());
        }

        if (msg.getFile != null) {
            builder.addBinaryBody("attachment", msg.getFile().getStream(), msg.getFile().getContentType(),
                    msg.getFile().getName());
        }

        HttpEntity multipart = builder.build();
        HttpPost post = new HttpPost(PUSH_MESSAGE_URL);
        post.setEntity(multipart);

        try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
            HttpResponse response = httpClient.execute(post);
            return PushoverResponseFactory.createStatus(response);
        } catch (Exception e) {
            throw new PushoverException(e.getMessage(), e.getCause());
        }
    }
    private void addBodyIfNotNull(MultipartEntityBuilder builder, String name, String value) {
        builder.addTextBody(name, value, plainUTF);
    }