Package de.xima.fc.helper
Class CssUrlReplacer
- java.lang.Object
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- de.xima.fc.helper.CssUrlReplacer
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public final class CssUrlReplacer extends Object
Helper for replacing URLs in CSS files.- Since:
- 8.0.0
- Author:
- XIMA MEDIA GmbH
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static UnaryOperator<String>
pluginServletTransformer(String baseUrl, Mandant client, String pluginName)
Creates a transformer, compatible with the replace* methods.static String
replaceIgnoreErrors(String css, UnaryOperator<String> transformer)
Processes a CSS file.static String
replaceUriIgnoreErrors(String css, UnaryOperator<URI> transformer)
Processes a CSS file.
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Method Detail
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pluginServletTransformer
public static UnaryOperator<String> pluginServletTransformer(String baseUrl, Mandant client, String pluginName)
Creates a transformer, compatible with the replace* methods. When an URI has the schemeplugin-resource
, the URI is transformed to a URI for a action servlet plugin. The path of the URI is added as a query parameter to the URI. Query parameters are preserved as-is. URIs with other schemes and opaque URIs are not changed.- Parameters:
baseUrl
- Base URL for the formcycle app.client
- Optional client for client scoped servlet action plugins. Whennull
, generates an URL for a system scoped servlet action plugin.pluginName
- Name of the servlet action plugin.- Returns:
- A transformer that transforms
plugin-resource:
URIs to action servlet plugin URIs.
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replaceIgnoreErrors
public static String replaceIgnoreErrors(String css, UnaryOperator<String> transformer)
Processes a CSS file. Passes all URLs in the CSS file to the given transformer, and replaces the URL with the result of the transformer. If the transformer returnsnull
, no replacement is made. If any error occurs, the original CSS is returned.- Parameters:
css
- CSS to process.transformer
- Transformer for the URLs.- Returns:
- The CSS with the transformed URLs.
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replaceUriIgnoreErrors
public static String replaceUriIgnoreErrors(String css, UnaryOperator<URI> transformer)
Processes a CSS file. Passes all URLs in the CSS file to the given transformer, and replaces the URL with the result of the transformer. If the transformer returnsnull
, no replacement is made. If any error occurs, the original CSS is returned.- Parameters:
css
- CSS to process.transformer
- Transformer for the URLs.- Returns:
- The CSS with the transformed URLs.
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