rife2/rife2-template-renderers
rife2/rife2-template-renderers
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Added QrCode renderer

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This commit is contained in:
Erik C. Thauvin 2023-03-19 03:06:19 -07:00
parent b97abc7091
commit b218313ed3
5 changed files with 106 additions and 5 deletions
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38
lib/src/main/java/rife/render/RenderUtils.java
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@ -129,8 +129,8 @@ public final class RenderUtils {
* @return The normalized String
*/
public static String normalize(String src) {
var sb = new StringBuilder(src.length());
var normalized = Normalizer.normalize(src.trim(), Normalizer.Form.NFD);
var sb = new StringBuilder(normalized.length());
boolean space = false;
for (var c : normalized.toCharArray()) {
if (c <= '\u007F') { // ascii only
@ -166,6 +166,39 @@ public final class RenderUtils {
}
}
/**
* Generates an SVG QR Code from the given String using <a href="https://goqr.me/">goQR.me</a>.
*
* @param src the data String
* @param size the QR Code size. (e.g. {@code 150x150})
* @return the QR code
*/
public static String qrCode(String src, String size) {
if (src == null || src.isBlank()) {
return src;
}
var svg = src;
try {
var connection = (HttpURLConnection) new URL(
String.format("https://api.qrserver.com/v1/create-qr-code/?format=svg&size=%s&data=%s", size,
StringUtils.encodeUrl(src.trim())))
.openConnection();
connection.setRequestProperty(
"User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0"
);
var responseCode = connection.getResponseCode();
if (responseCode >= 200 && responseCode <= 399) {
try (var inputStream = connection.getInputStream()) {
svg = new String(inputStream.readAllBytes(), StandardCharsets.UTF_8);
}
}
} catch (IOException ignore) {
// do nothing
}
return svg;
}
/**
* Translates a String to/from ROT13.
*
@ -221,7 +254,7 @@ public final class RenderUtils {
var shorten = url;
try {
var connection = (HttpURLConnection) new URL(
String.format("https://is.gd/create.php?format=simple&url=%s", StringUtils.decodeUrl(url.trim())))
String.format("https://is.gd/create.php?format=simple&url=%s", StringUtils.encodeUrl(url.trim())))
.openConnection();
connection.setRequestProperty(
"User-Agent", "Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0"
@ -385,5 +418,4 @@ public final class RenderUtils {
return sb.toString();
}
}