[jboss-cvs] container/src/main/org/jboss/metadata/plugins/repository/visitor ...

[Adrian B. <adr...@jb...>]

  User: adrian  
  Date: 06/07/10 08:18:51

  Added:       src/main/org/jboss/metadata/plugins/repository/visitor  
                        FuzzyMetaDataRepositoryVisitor.java
                        ChildrenMetaDataRepositoryVisitor.java
  Log:
  [JBMICROCONT-70] - Scoped metadata and basic repository
  
  Revision  Changes    Path
  1.1      date: 2006/07/10 12:18:51;  author: adrian;  state: Exp;container/src/main/org/jboss/metadata/plugins/repository/visitor/FuzzyMetaDataRepositoryVisitor.java
  
  Index: FuzzyMetaDataRepositoryVisitor.java
  ===================================================================
  /*
  * JBoss, Home of Professional Open Source
  * Copyright 2006, JBoss Inc., and individual contributors as indicated
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
  * This is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as
  * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * This software is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */
  package org.jboss.metadata.plugins.repository.visitor;
  
  import java.util.Collection;
  import java.util.Iterator;
  
  import org.jboss.metadata.spi.repository.MetaDataRepository;
  import org.jboss.metadata.spi.repository.visitor.MetaDataRepositoryVisitor;
  import org.jboss.metadata.spi.scope.Scope;
  import org.jboss.metadata.spi.scope.ScopeKey;
  import org.jboss.metadata.spi.scope.ScopeLevel;
  
  /**
   * FuzzyMetaDataRepositoryVisitor.
   * 
   * @author <a href="ad...@jb...">Adrian Brock</a>
   * @version $Revision: 1.1 $
   */
  public class FuzzyMetaDataRepositoryVisitor implements MetaDataRepositoryVisitor
  {
     /** The key scopes */
     private Scope[] matchScopes;
     
     /**
      * Create a new FuzzyMetaDataRepositoryVisitor.
      * 
      * @param matchKey the match key
      */
     public FuzzyMetaDataRepositoryVisitor(ScopeKey matchKey)
     {
        if (matchKey != null)
        {
           Collection<Scope> testScopes = matchKey.getScopes();
           matchScopes = testScopes.toArray(new Scope[testScopes.size()]);
        }
     }
     
     public boolean matchScope(MetaDataRepository repository, ScopeKey key)
     {
        if (matchScopes == null || matchScopes.length == 0)
           return true;
        
        boolean match = false;
        int index = 0;
        Iterator<Scope> i = key.getScopes().iterator();
        Scope repositoryScope = i.next();
        Scope matchScope = matchScopes[index];
        while (true)
        {
           ScopeLevel keyLevel = matchScope.getScopeLevel();
           ScopeLevel repositoryLevel = repositoryScope.getScopeLevel();
  
           // Same level
           if (keyLevel.compareTo(repositoryLevel) == 0)
           {  
              if (matchScope.equals(repositoryScope))
                 match = true;
              else
              {
                 // No match, we are done
                 match = false;
                 break;
              }
           }
           
           // Key is next
           if (keyLevel.compareTo(repositoryLevel) <= 0)
           {
              // Ran out of keys
              if (++index == matchScopes.length)
                 break;
              matchScope = matchScopes[index];
           }
           else
           {
              // Ran out of keys
              if (i.hasNext() == false)
                 break;
              repositoryScope = i.next();
           }
        }
        return match;
     }
  }
  
  
  
  1.1      date: 2006/07/10 12:18:51;  author: adrian;  state: Exp;container/src/main/org/jboss/metadata/plugins/repository/visitor/ChildrenMetaDataRepositoryVisitor.java
  
  Index: ChildrenMetaDataRepositoryVisitor.java
  ===================================================================
  /*
  * JBoss, Home of Professional Open Source
  * Copyright 2006, JBoss Inc., and individual contributors as indicated
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
  * This is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as
  * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * This software is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */
  package org.jboss.metadata.plugins.repository.visitor;
  
  import org.jboss.metadata.spi.repository.MetaDataRepository;
  import org.jboss.metadata.spi.repository.visitor.MetaDataRepositoryVisitor;
  import org.jboss.metadata.spi.scope.ScopeKey;
  
  /**
   * FuzzyMetaDataRepositoryVisitor.
   * 
   * @author <a href="ad...@jb...">Adrian Brock</a>
   * @version $Revision: 1.1 $
   */
  public class ChildrenMetaDataRepositoryVisitor implements MetaDataRepositoryVisitor
  {
     /** The parent */
     private ScopeKey parent;
     
     /**
      * Create a new ChildrenMetaDataRepositoryVisitor.
      * 
      * @param parent the parent
      */
     public ChildrenMetaDataRepositoryVisitor(ScopeKey parent)
     {
        if (parent == null)
           throw new IllegalArgumentException("Null parent");
        
        this.parent = parent;
     }
     
     public boolean matchScope(MetaDataRepository repository, ScopeKey key)
     {
        return parent.isParent(key);
     }
  }