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## org.springframework.aop.aspectj
Class TypePatternClassFilter

    java.lang.Object
      org.springframework.aop.aspectj.TypePatternClassFilter

All Implemented Interfaces:
  ClassFilter

    public class TypePatternClassFilter

extends Object
implements ClassFilter

Spring AOP `ClassFilter` implementation using AspectJ type matching.

Since:
  2.0
Author:
  Rod Johnson

Field Summary

Fields inherited from interface org.springframework.aop.ClassFilter
`TRUE`

Constructor Summary
`TypePatternClassFilter()` Creates a new instance of the `TypePatternClassFilter` class.
`TypePatternClassFilter(String typePattern)` Create a fully configured `TypePatternClassFilter` using the given type pattern.

Method Summary
`String` | `getTypePattern()`
`boolean` | `matches(Class clazz)` Should the pointcut apply to the given interface or target class?
`void` | `setTypePattern(String typePattern)` Set the AspectJ type pattern to match.

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

Constructor Detail

### TypePatternClassFilter

    public TypePatternClassFilter()

  Creates a new instance of the `TypePatternClassFilter` class.

  This is the JavaBean constructor; be sure to set the `typePattern` property, else a no doubt fatal `IllegalStateException` will be thrown when the `matches(Class)` method is first invoked.

### TypePatternClassFilter

    public TypePatternClassFilter(String typePattern)

  Create a fully configured `TypePatternClassFilter` using the given type pattern.

  Parameters:
    `typePattern` - the type pattern that AspectJ weaver should parse
  Throws:
    `IllegalArgumentException` - if the supplied `typePattern` is `null` or is recognized as invalid

Method Detail

### setTypePattern

    public void setTypePattern(String typePattern)

  Set the AspectJ type pattern to match.

  Examples include: `org.springframework.beans.*` This will match any class or interface in the given package. `org.springframework.beans.ITestBean+` This will match the `ITestBean` interface and any class that implements it.

  These conventions are established by AspectJ, not Spring AOP.

  Parameters:
    `typePattern` - the type pattern that AspectJ weaver should parse
  Throws:
    `IllegalArgumentException` - if the supplied `typePattern` is `null` or is recognized as invalid

### getTypePattern

    public String getTypePattern()

### matches

    public boolean matches(Class clazz)

  Should the pointcut apply to the given interface or target class?

  Specified by:
    `matches` in interface `ClassFilter`
  Parameters:
    `clazz` - candidate target class
  Returns:
    whether the advice should apply to this candidate target class
  Throws:
    `IllegalStateException` - if no `setTypePattern(String)` has been set

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