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Implement containsProperty on MapPropertySource 

Improve the performance of MapPropertySource by directly implementing
the containsProperty property.

Issue: SPR-12224
This commit is contained in:
Phillip Webb 2014-09-18 23:17:13 -07:00
parent 2077388f38
commit e71fbb9f46
1 changed files with 12 additions and 0 deletions
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12
spring-core/src/main/java/org/springframework/core/env/MapPropertySource.java vendored
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@ -18,6 +18,7 @@ package org.springframework.core.env;
import java.util.Map; import java.util.Map;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils; import org.springframework.util.StringUtils;
/** /**
@ -43,4 +44,15 @@ public class MapPropertySource extends EnumerablePropertySource<Map<String, Obje
return StringUtils.toStringArray(this.source.keySet()); return StringUtils.toStringArray(this.source.keySet());
} }
@Override
public boolean containsProperty(String name) {
Assert.notNull(name, "Property name must not be null");
boolean containsProperty = this.source.containsKey(name);
if (logger.isDebugEnabled()) {
logger.debug(String.format("PropertySource [%s] %s '%s'", getName(),
(containsProperty ? "contains" : "does not contain"), name));
}
return containsProperty;
}
} }