Example usage for com.google.common.html.types UncheckedConversions safeStyleSheetFromStringKnownToSatisfyTypeContract

Introduction

In this page you can find the example usage for com.google.common.html.types UncheckedConversions safeStyleSheetFromStringKnownToSatisfyTypeContract.

Prototype

public static SafeStyleSheet safeStyleSheetFromStringKnownToSatisfyTypeContract(String stylesheet) 

Source Link

Document

Converts a String into a SafeStyleSheet.

Usage

From source file:com.google.template.soy.data.SanitizedContent.java

/**
 * Converts a Soy {@link SanitizedContent} of kind CSS into a {@link SafeStyleSheet}.
 *
 * <p>To ensure correct behavior and usage, the SanitizedContent object should fulfill the
 * contract of SafeStyleSheet - the CSS content should represent the top-level content of a style
 * element within HTML.//  w w w.  j  ava 2  s  .c o  m
 *
 * @throws IllegalStateException if this SanitizedContent's content kind is not
 *     {@link ContentKind#CSS}.
 */
public SafeStyleSheet toSafeStyleSheet() {
    Preconditions.checkState(getContentKind() == ContentKind.CSS,
            "toSafeStyleSheet() only valid for SanitizedContent of kind CSS, is: %s", getContentKind());
    // Sanity check: Try to prevent accidental misuse when this is not really a stylesheet but
    // instead just a declaration list (i.e. a SafeStyle). This does fail to accept a stylesheet
    // that is only a comment or only @imports; if you have a legitimate reason for this, it would
    // be fine to make this more sophisticated, but in practice it's unlikely and keeping this check
    // simple helps ensure it is fast. Note that this isn't a true security boundary, but a
    // best-effort attempt to preserve SafeStyleSheet's semantical guarantees.
    Preconditions.checkState(getContent().isEmpty() || getContent().indexOf('{') > 0,
            "Calling toSafeStyleSheet() with content that doesn't look like a stylesheet");
    return UncheckedConversions.safeStyleSheetFromStringKnownToSatisfyTypeContract(getContent());
}

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