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## com.google.gwt.resources.gss
Class ClassNamesCollector

    java.lang.Object
      com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor
          com.google.gwt.resources.gss.ClassNamesCollector

All Implemented Interfaces:
  com.google.gwt.thirdparty.common.css.compiler.ast.AtRuleHandler, com.google.gwt.thirdparty.common.css.compiler.ast.CssTreeVisitor

    public class ClassNamesCollector

extends com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor

Collect all CSS class names in a stylesheet.

Constructor Summary
`ClassNamesCollector()`

Method Summary
`boolean` | `enterClassSelector(com.google.gwt.thirdparty.common.css.compiler.ast.CssClassSelectorNode classSelector)`
`java.util.Set<java.lang.String>` | `getClassNames(com.google.gwt.thirdparty.common.css.compiler.ast.CssTree tree, java.util.Set<JClassType> imports)` Extract all CSS class names in the provided stylesheet, modulo those imported from another context.

Methods inherited from class com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor
`enterArgumentNode, enterAttributeSelector, enterBlock, enterCombinator, enterComponent, enterCompositeValueNode, enterCompositeValueNodeOperator, enterConditionalBlock, enterConditionalRule, enterDeclaration, enterDeclarationBlock, enterDefinition, enterFontFace, enterFunctionNode, enterIdSelector, enterImportBlock, enterImportRule, enterKey, enterKeyBlock, enterKeyframeRuleset, enterKeyframesRule, enterMediaRule, enterMediaTypeListDelimiter, enterMixin, enterMixinDefinition, enterPageRule, enterPageSelector, enterPropertyValue, enterProvideNode, enterPseudoClass, enterPseudoElement, enterRequireNode, enterRuleset, enterSelector, enterSelectorBlock, enterTree, enterUnknownAtRule, enterValueNode, leaveArgumentNode, leaveAttributeSelector, leaveBlock, leaveClassSelector, leaveCombinator, leaveComponent, leaveCompositeValueNode, leaveCompositeValueNodeOperator, leaveConditionalBlock, leaveConditionalRule, leaveDeclaration, leaveDeclarationBlock, leaveDefinition, leaveFontFace, leaveFunctionNode, leaveIdSelector, leaveImportBlock, leaveImportRule, leaveKey, leaveKeyBlock, leaveKeyframeRuleset, leaveKeyframesRule, leaveMediaRule, leaveMediaTypeListDelimiter, leaveMixin, leaveMixinDefinition, leavePageRule, leavePageSelector, leavePropertyValue, leaveProvideNode, leavePseudoClass, leavePseudoElement, leaveRequireNode, leaveRuleset, leaveSelector, leaveSelectorBlock, leaveTree, leaveUnknownAtRule, leaveValueNode, visit`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ClassNamesCollector

    public ClassNamesCollector()

Method Detail

### getClassNames

    public java.util.Set<java.lang.String> getClassNames(com.google.gwt.thirdparty.common.css.compiler.ast.CssTree tree,
                                                         java.util.Set<JClassType> imports)

  Extract all CSS class names in the provided stylesheet, modulo those imported from another context.

### enterClassSelector

    public boolean enterClassSelector(com.google.gwt.thirdparty.common.css.compiler.ast.CssClassSelectorNode classSelector)

  Specified by:
    `enterClassSelector` in interface `com.google.gwt.thirdparty.common.css.compiler.ast.CssTreeVisitor`
  Overrides:
    `enterClassSelector` in class `com.google.gwt.thirdparty.common.css.compiler.ast.DefaultTreeVisitor`

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