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package org.apache.shiro.guice; |
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import com.google.inject.Key; |
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import com.google.inject.OutOfScopeException; |
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import com.google.inject.Provider; |
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import com.google.inject.Scope; |
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import org.apache.shiro.session.Session; |
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import org.apache.shiro.subject.Subject; |
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import org.apache.shiro.util.ThreadContext; |
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32 | 4 | public class ShiroSessionScope implements Scope { |
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public <T> Provider<T> scope(final Key<T> key, final Provider<T> unscoped) { |
34 | 6 | return new Provider<T>() { |
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public T get() { |
36 | 6 | Subject subject = ThreadContext.getSubject(); |
37 | 6 | if (subject == null) { |
38 | 2 | throw new OutOfScopeException("There is no Shiro Session currently in scope."); |
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} |
40 | 4 | Session session = subject.getSession(); |
41 | 4 | T scoped = castSessionAttribute(session); |
42 | 4 | if (scoped == null) { |
43 | 2 | scoped = unscoped.get(); |
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} |
45 | 4 | return scoped; |
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} |
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@SuppressWarnings({"unchecked"}) |
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private T castSessionAttribute(Session session) { |
50 | 4 | return (T) session.getAttribute(key); |
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} |
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@Override |
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public String toString() { |
55 | 0 | return unscoped.toString(); |
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} |
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}; |
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} |
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@Override |
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public String toString() { |
62 | 0 | return "ShiroSessionScope"; |
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} |
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} |