Initial commit

lib/build.gradle.kts

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+import org.gradle.api.tasks.testing.logging.TestExceptionFormat
+import org.gradle.api.tasks.testing.logging.TestLogEvent
+
+plugins {
+    `java-library`
+    id("com.github.ben-manes.versions") version "0.46.0"
+}
+
+version = "0.9.0-SNAPSHOT"
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+    maven { url = uri("https://s01.oss.sonatype.org/content/repositories/snapshots") } // only needed for SNAPSHOT
+}
+
+dependencies {
+	implementation("com.uwyn.rife2:rife2:1.5.0-SNAPSHOT") {
+		this.isChanging = true
+	}
+	runtimeOnly("com.uwyn.rife2:rife2:1.5.0-SNAPSHOT:agent") {
+		this.isChanging = true
+	}
+
+	testImplementation(platform("org.junit:junit-bom:5.9.2"))
+	testImplementation("org.junit.jupiter:junit-jupiter")
+}
+
+configurations {
+	all {
+        resolutionStrategy.cacheChangingModulesFor(0, TimeUnit.SECONDS);
+    }
+}
+
+java {
+    withJavadocJar()
+    withSourcesJar()
+    toolchain {
+    	languageVersion.set(JavaLanguageVersion.of(17))
+    }
+}
+
+tasks {
+    test {
+        useJUnitPlatform()
+        testLogging {
+            exceptionFormat = TestExceptionFormat.FULL
+            events = setOf(TestLogEvent.PASSED, TestLogEvent.SKIPPED, TestLogEvent.FAILED)
+        }
+    }
+}

lib/src/main/java/rife2/render/Capitalize.java

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+/*
+ *  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;
+import java.util.regex.Pattern;
+
+/**
+ * <p>Capitalizes a template value.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.Capitalize:valueId/--&gt;
+ *   {{v render:rife.render.Capitalize:valueId}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class Capitalize implements ValueRenderer {
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            var value = template.getValue(differentiator);
+            return value.substring(0, 1).toUpperCase(Locale.getDefault()) + value.substring(1);
+        } else {
+            return "";
+        }
+    }
+}

lib/src/main/java/rife2/render/Lowercase.java

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+/*
+ *  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;
+
+/**
+ * <p>Converts a template value to lowercase.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.Lowercase:valueId/--&gt;
+ *   {{v render:rife.render.Lowercase:valueId}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class Lowercase implements ValueRenderer {
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            return template.getValue(differentiator).toLowerCase(Locale.getDefault());
+        } else {
+            return "";
+        }
+    }
+}

lib/src/main/java/rife2/render/SwapCase.java

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+/*
+ *  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;
+
+/**
+ * <p>Swap case of a template value.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.SwapCase:valueId/--&gt;
+ *   {{v render:rife.render.SwapCase:valueId}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class SwapCase implements ValueRenderer {
+    /**
+     * Swaps the case of a String.
+     * @param s the String to swap the case of
+     * @return the modified String or null
+     */
+    public static String swapCase(String s) {
+        if (s == null || s.isEmpty()) {
+            return s;
+        }
+
+        var buffer = s.toCharArray();
+        var whitespace = true;
+
+        for (var i = 0; i < buffer.length; i++) {
+            var ch = buffer[i];
+            if (Character.isUpperCase(ch) || Character.isTitleCase(ch)) {
+                buffer[i] = Character.toLowerCase(ch);
+                whitespace = false;
+            } else if (Character.isLowerCase(ch)) {
+                if (whitespace) {
+                    buffer[i] = Character.toTitleCase(ch);
+                    whitespace = false;
+                } else {
+                    buffer[i] = Character.toUpperCase(ch);
+                }
+            } else {
+                whitespace = Character.isWhitespace(ch);
+            }
+        }
+        return new String(buffer);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            return swapCase(template.getValue(differentiator));
+        } else {
+            return "";
+        }
+    }
+}

lib/src/main/java/rife2/render/Trim.java

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+/*
+ *  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;
+
+/**
+ * <p>Removes leading and trailing whitespace from a template value.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.Trim:valueId/--&gt;
+ *   {{v render:rife.render.Trim:valueId}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class Trim implements ValueRenderer {
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            return template.getValue(differentiator).trim();
+        } else {
+            return "";
+        }
+    }
+}

lib/src/main/java/rife2/render/Uncapitalize.java

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+/*
+ *  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;
+
+/**
+ * <p>Un-capitalizes a template value.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.Uncapitalize:valueId/--&gt;
+ *   {{v render:rife.render.Uncapitalize:valueId}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class Uncapitalize implements ValueRenderer {
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            var value = template.getValue(differentiator);
+            return value.substring(0, 1).toLowerCase(Locale.getDefault()) + value.substring(1);
+        } else {
+            return "";
+        }
+    }
+}

lib/src/main/java/rife2/render/Uppercase.java

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+/*
+ *  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;
+
+/**
+ * <p>Convert a template value to uppercase.</p>
+ *
+ * <p>Usage:</p>
+ *
+ * <pre>
+ *   &lt;!--v render:rife.render.Uppercase:valueId/--&gt;
+ *   {{v render:rife.render.Uppercase:valueId}}
+ * </pre>
+ *
+ * @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
+ * @since 1.0
+ */
+public class Uppercase implements ValueRenderer {
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public String render(Template template, String valueId, String differentiator) {
+        if (differentiator != null && !differentiator.isBlank() && template.hasValueId(differentiator)) {
+            return template.getValue(differentiator).toUpperCase(Locale.getDefault());
+        } else {
+            return "";
+        }
+    }
+}