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## org.apache.ivy.core.event
Class IvyEventFilter

    java.lang.Object
      org.apache.ivy.core.event.IvyEventFilter

All Implemented Interfaces:
  Filter

    public class IvyEventFilter

extends java.lang.Object
implements Filter

A filter implementation filtering `IvyEvent` based upon an event name and a filter expression. The name will be matched against the event name using the `PatternMatcher` used to construct this object. The filter expression is a string describing how the event should be filtered according to its attributes values. The matching between the filter values and the event attribute values is done using the `PatternMatcher` used to construct this object. Here are some examples:

expression | effect
type=zip | accepts event with a type attribute matching zip
type=zip,jar | accepts event with a type attribute matching zip or jar
type=src AND ext=zip | accepts event with a type attribute matching src AND an ext attribute matching zip
type=src OR ext=zip | accepts event with a type attribute matching src OR an ext attribute matching zip
NOT type=src | accepts event with a type attribute NOT matching src

Combination of these can be used, but no parentheses are supported right now, so only the default priority can be used. The priority order is this one: AND OR NOT = This means that artifact=foo AND ext=zip OR type=src will match event with artifact matching foo AND (ext matching zip OR type matching src)

Since:
  1.4

Constructor Summary
`IvyEventFilter(java.lang.String event, java.lang.String filterExpression, PatternMatcher matcher)`

Method Summary
`boolean` | `accept(java.lang.Object o)`

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

Constructor Detail

### IvyEventFilter

    public IvyEventFilter(java.lang.String event,
                          java.lang.String filterExpression,
                          PatternMatcher matcher)

Method Detail

### accept

    public boolean accept(java.lang.Object o)

  Specified by:
    `accept` in interface `Filter`

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