rife2/rife2-template-renderers
rife2/rife2-template-renderers
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Erik C. Thauvin 2023-03-13 19:03:26 -07:00
commit ffe05f5b2e
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52
lib/src/main/java/rife2/render/Capitalize.java Normal file
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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 "";
}
}
}

50
lib/src/main/java/rife2/render/Lowercase.java Normal file
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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 "";
}
}
}

80
lib/src/main/java/rife2/render/SwapCase.java Normal file
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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 "";
}
}
}

48
lib/src/main/java/rife2/render/Trim.java Normal file
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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 "";
}
}
}

51
lib/src/main/java/rife2/render/Uncapitalize.java Normal file
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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 "";
}
}
}

50
lib/src/main/java/rife2/render/Uppercase.java Normal file
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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 "";
}
}
}