Encodes a template value to HTML decimal entities
+ * + *Usage:
+ * + *
+ * <!--v render:rife.render.EncodeHtmlEntities:valueId/-->
+ * {{v render:rife.render.EncodeHtmlEntities:valueId}}
+ *
+ *
+ * For example {@code john@doe.com} would be encoded to:
+ * + *john@doe.com+ * + * @author Erik C. Thauvin + * @since 1.0 + */ +public class EncodeHtmlEntities implements ValueRenderer { + /** + * Converts a text string to HTML decimal entities. + * + * @param text the String to convert. + * @return the converted string. + */ + public static String toHtmlEntities(String text) { + var buff = new StringBuilder(text.length() * 6); + + for (var i = 0; i < text.length(); i++) { + buff.append("&#").append((int) text.charAt(i)).append(';'); + } + + return buff.toString(); + } + + /** + * {@inheritDoc} + */ + @Override + public String render(Template template, String valueId, String differentiator) { + if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) { + return toHtmlEntities(template.getValue(differentiator)); + } else { + return ""; + } + } +} diff --git a/lib/src/main/java/rife2/render/EncodeQp.java b/lib/src/main/java/rife2/render/EncodeQp.java new file mode 100644 index 0000000..b902db4 --- /dev/null +++ b/lib/src/main/java/rife2/render/EncodeQp.java @@ -0,0 +1,86 @@ +/* + * Copyright 2023 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * https://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package rife2.render; + +import rife.template.Template; +import rife.template.ValueRenderer; + +import java.util.Locale; + +/** + *
Converts a template value to a quoted-printable string.
+ * + *Usage:
+ * + *
+ * <!--v render:rife.render.EncodeQp:valueId/-->
+ * {{v render:rife.render.EncodeQp:valueId}}
+ *
+ *
+ * @author Erik C. Thauvin
+ * @since 1.0
+ */
+public class EncodeQp implements ValueRenderer {
+ /**
+ * Converts the given String to a quoted-printable string.
+ *
+ * @param src the source String
+ * @return the quoted-printable String
+ */
+ public static String toQuotedPrintable(String src) {
+ if (src == null || src.isEmpty()) {
+ return src;
+ }
+
+ char c;
+ var buff = new StringBuilder(src.length());
+ String hex;
+
+ for (var i = 0; i < src.length(); i++) {
+ c = src.charAt(i);
+
+ if (((c > 47) && (c < 58)) || ((c > 64) && (c < 91)) || ((c > 96) && (c < 123))) {
+ buff.append(c);
+ } else {
+ hex = Integer.toString(c, 16);
+
+ buff.append('=');
+
+ if (hex.length() == 1) {
+ buff.append('0');
+ }
+
+ buff.append(hex.toUpperCase(Locale.getDefault()));
+ }
+ }
+
+ return buff.toString();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String render(Template template, String valueId, String differentiator) {
+ if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+ return toQuotedPrintable(template.getValue(differentiator));
+ } else {
+ return "";
+ }
+ }
+}
diff --git a/lib/src/main/java/rife2/render/Rot13.java b/lib/src/main/java/rife2/render/Rot13.java
new file mode 100644
index 0000000..3f9823c
--- /dev/null
+++ b/lib/src/main/java/rife2/render/Rot13.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package rife2.render;
+
+import rife.template.Template;
+import rife.template.ValueRenderer;
+
+/**
+ * Translates a template value to/from ROT13.
+ * + *Usage:
+ * + *
+ * <!--v render:rife.render.Rot13:valueId/-->
+ * {{v render:rife.render.Rot13:valueId}}
+ *
+ *
+ * @author Erik C. Thauvin
+ * @since 1.0
+ */
+public class Rot13 implements ValueRenderer {
+ /**
+ * Translates a String to/from ROT13.
+ *
+ * @param src The source String.
+ * @return The translated String.
+ */
+ public static String rot13(String src) {
+ if (src == null || src.isEmpty()) {
+ return "";
+ } else {
+ var output = new StringBuilder(src.length());
+
+ for (var i = 0; i < src.length(); i++) {
+ var inChar = src.charAt(i);
+
+ if ((inChar >= 'A') && (inChar <= 'Z')) {
+ inChar += (char) 13;
+
+ if (inChar > 'Z') {
+ inChar -= (char) 26;
+ }
+ }
+
+ if ((inChar >= 'a') && (inChar <= 'z')) {
+ inChar += (char) 13;
+
+ if (inChar > 'z') {
+ inChar -= (char) 26;
+ }
+ }
+
+ output.append(inChar);
+ }
+
+ return output.toString();
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String render(Template template, String valueId, String differentiator) {
+ if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+ return rot13(template.getValue(differentiator));
+ } else {
+ return "";
+ }
+ }
+}
diff --git a/lib/src/main/java/rife2/render/Year.java b/lib/src/main/java/rife2/render/Year.java
new file mode 100644
index 0000000..d37cd31
--- /dev/null
+++ b/lib/src/main/java/rife2/render/Year.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package rife2.render;
+
+import rife.template.Template;
+import rife.template.ValueRenderer;
+
+/**
+ * Renders the current year.
+ * + *Usage:
+ * + *
+ * <!--v render:rife.render.Year/-->
+ * {{v render:rife.render.Year}}
+ *
+ *
+ * @author Erik C. Thauvin
+ * @since 1.0
+ */
+public class Year implements ValueRenderer {
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String render(Template template, String valueId, String differentiator) {
+ return java.time.Year.now().toString();
+ }
+}