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16 package org.seasar.cubby.plugins;
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18 import java.util.HashMap;
19 import java.util.Map;
20 import java.util.Set;
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22 import org.seasar.cubby.internal.util.ServiceLoader;
23 import org.seasar.cubby.plugin.AbstractPlugin;
24 import org.seasar.cubby.spi.Provider;
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34 public class BinderPlugin extends AbstractPlugin {
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37 private final Map<Class<? extends Provider>, Provider> providers = new HashMap<Class<? extends Provider>, Provider>();
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42 @Override
43 public <S extends Provider> S getProvider(final Class<S> service) {
44 return service.cast(providers.get(service));
45 }
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50 @Override
51 public Set<Class<? extends Provider>> getSupportedServices() {
52 return providers.keySet();
53 }
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67 public <S extends Provider> Binder<S> bind(final Class<S> service) {
68 return new Binder<S>(service);
69 }
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79 public class Binder<S extends Provider> {
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82 private final Class<S> service;
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90 private Binder(final Class<S> service) {
91 this.service = service;
92 }
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100 public void toInstance(final S instance) {
101 providers.put(service, instance);
102 }
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104 }
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106 }