org.glassfish.jersey.server.internal.inject.PrimitiveMapper Maven / Gradle / Ivy
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package org.glassfish.jersey.server.internal.inject;
import java.util.Collections;
import java.util.Map;
import java.util.WeakHashMap;
/**
* Utility class that maps the primitive types to their respective classes as well
* as the default values as defined by the JAX-RS specification.
*
* @author Paul Sandoz
* @author Marek Potociar (marek.potociar at oracle.com)
*/
final class PrimitiveMapper {
static final Map primitiveToClassMap =
getPrimitiveToClassMap();
static final Map primitiveToDefaultValueMap =
getPrimitiveToDefaultValueMap();
private static Map getPrimitiveToClassMap() {
Map m = new WeakHashMap();
// Put all primitive to wrapper class mappings except
// that for Character
m.put(Boolean.TYPE, Boolean.class);
m.put(Byte.TYPE, Byte.class);
m.put(Short.TYPE, Short.class);
m.put(Integer.TYPE, Integer.class);
m.put(Long.TYPE, Long.class);
m.put(Float.TYPE, Float.class);
m.put(Double.TYPE, Double.class);
return Collections.unmodifiableMap(m);
}
private static Map getPrimitiveToDefaultValueMap() {
Map m = new WeakHashMap();
m.put(Boolean.class, Boolean.valueOf(false));
m.put(Byte.class, Byte.valueOf((byte) 0));
m.put(Short.class, Short.valueOf((short) 0));
m.put(Integer.class, Integer.valueOf(0));
m.put(Long.class, Long.valueOf(0l));
m.put(Float.class, Float.valueOf(0.0f));
m.put(Double.class, Double.valueOf(0.0d));
return Collections.unmodifiableMap(m);
}
/**
* Prevents instantiation.
*/
private PrimitiveMapper() {
}
}