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Exists method for check if Any object is empty #230

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Exists method for check if Any object is empty #230

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Exists method for check if Any object is empty
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maryo42 authored and maryo42 committed Mar 28, 2019
commit 9b9e94c81a092a071b4f4f8dc2c03a51c8ce5226
4 changes: 4 additions & 0 deletions src/main/java/com/jsoniter/any/Any.java
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Original file line number Diff line number Diff line change
Expand Up @@ -202,6 +202,10 @@ public Any mustBeValid() {
}
}

public boolean exists() {
return !(this instanceof NotFoundAny);
}

public Set keys() {
return EMPTY_KEYS;
}
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16 changes: 16 additions & 0 deletions src/test/java/com/jsoniter/any/TestNotFoundAny.java
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@@ -0,0 +1,16 @@
package com.jsoniter.any;

import com.jsoniter.JsonIterator;
import junit.framework.TestCase;

public class TestNotFoundAny extends TestCase {

public void test_exists() {
Any any = JsonIterator.deserialize("{\"field\": \"ABC\"}");
Any field = any.get("field");
Any otherField = any.get("otherField");
assertTrue(field.exists());
assertFalse(otherField.exists());
}

}