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@ -18,6 +18,7 @@ package com.fr.third.org.objenesis;
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import com.fr.third.org.objenesis.instantiator.ObjectInstantiator; |
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import com.fr.third.org.objenesis.strategy.InstantiatorStrategy; |
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import java.util.Map; |
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import java.util.concurrent.ConcurrentHashMap; |
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/** |
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@ -28,11 +29,15 @@ import java.util.concurrent.ConcurrentHashMap;
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*/ |
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public class ObjenesisBase implements Objenesis { |
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/** Strategy used by this Objenesi implementation to create classes */ |
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/** |
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* Strategy used by this Objenesi implementation to create classes |
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*/ |
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protected final InstantiatorStrategy strategy; |
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/** Strategy cache. Key = Class, Value = InstantiatorStrategy */ |
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protected ConcurrentHashMap<String, ObjectInstantiator<?>> cache; |
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/** |
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* Strategy cache. Key = Class, Value = InstantiatorStrategy |
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*/ |
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protected Map<Class, ObjectInstantiator<?>> cache; |
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/** |
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* Constructor allowing to pick a strategy and using cache |
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@ -50,17 +55,17 @@ public class ObjenesisBase implements Objenesis {
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* @param useCache If {@link ObjectInstantiator}s should be cached |
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*/ |
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public ObjenesisBase(InstantiatorStrategy strategy, boolean useCache) { |
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if(strategy == null) { |
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if (strategy == null) { |
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throw new IllegalArgumentException("A strategy can't be null"); |
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} |
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this.strategy = strategy; |
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this.cache = useCache ? new ConcurrentHashMap<String, ObjectInstantiator<?>>() : null; |
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this.cache = useCache ? new ConcurrentHashMap<Class, ObjectInstantiator<?>>() : null; |
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} |
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@Override |
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public String toString() { |
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return getClass().getName() + " using " + strategy.getClass().getName() |
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+ (cache == null ? " without" : " with") + " caching"; |
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+ (cache == null ? " without" : " with") + " caching"; |
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} |
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/** |
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@ -83,20 +88,29 @@ public class ObjenesisBase implements Objenesis {
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*/ |
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@SuppressWarnings("unchecked") |
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public <T> ObjectInstantiator<T> getInstantiatorOf(Class<T> clazz) { |
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if(clazz.isPrimitive()) { |
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if (clazz.isPrimitive()) { |
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throw new IllegalArgumentException("Primitive types can't be instantiated in Java"); |
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} |
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if(cache == null) { |
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if (cache == null) { |
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return strategy.newInstantiatorOf(clazz); |
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} |
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ObjectInstantiator<?> instantiator = cache.get(clazz.getName()); |
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if(instantiator == null) { |
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ObjectInstantiator<?> instantiator = cache.get(clazz); |
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if (instantiator == null) { |
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ObjectInstantiator<?> newInstantiator = strategy.newInstantiatorOf(clazz); |
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instantiator = cache.putIfAbsent(clazz.getName(), newInstantiator); |
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if(instantiator == null) { |
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instantiator = putIfAbsent(clazz, newInstantiator); |
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if (instantiator == null) { |
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instantiator = newInstantiator; |
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} |
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} |
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return (ObjectInstantiator<T>) instantiator; |
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} |
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} |
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private ObjectInstantiator<?> putIfAbsent(Class key, ObjectInstantiator<?> newInstantiator) { |
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ObjectInstantiator<?> instantiator = cache.get(key); |
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if (instantiator == null) { |
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instantiator = cache.put(key, newInstantiator); |
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} |
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return instantiator; |
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} |
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} |