forked from phoedos/pmd
Fixed potential NullPointerException.
git-svn-id: https://pmd.svn.sourceforge.net/svnroot/pmd/trunk@1385 51baf565-9d33-0410-a72c-fc3788e3496d
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@ -12,6 +12,7 @@ import net.sourceforge.pmd.swingui.event.RulesTreeModelEvent;
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import net.sourceforge.pmd.swingui.event.RulesTreeModelEventListener;
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import net.sourceforge.pmd.swingui.event.RulesTreeModelEventListener;
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import javax.swing.tree.DefaultTreeModel;
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import javax.swing.tree.DefaultTreeModel;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.Comparator;
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import java.util.Enumeration;
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import java.util.Enumeration;
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@ -169,6 +170,11 @@ class RulesTreeModel
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List ruleSetList = m_pmdDirectoryReturnedEventHandler.getRuleSetList();
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List ruleSetList = m_pmdDirectoryReturnedEventHandler.getRuleSetList();
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if (ruleSetList == null)
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{
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ruleSetList = new ArrayList();
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}
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//
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//
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// Sort the rule sets by name in ascending order.
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// Sort the rule sets by name in ascending order.
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//
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//
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