Coverage report

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org.apache.portals.graffito.jcr.query.impl.QueryImpl
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 1   
 /*
 2   
  * Copyright 2004-2005 The Apache Software Foundation or its licensors,
 3   
  *                     as applicable.
 4   
  *
 5   
  * Licensed under the Apache License, Version 2.0 (the "License");
 6   
  * you may not use this file except in compliance with the License.
 7   
  * You may obtain a copy of the License at
 8   
  *
 9   
  *      http://www.apache.org/licenses/LICENSE-2.0
 10   
  *
 11   
  * Unless required by applicable law or agreed to in writing, software
 12   
  * distributed under the License is distributed on an "AS IS" BASIS,
 13   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14   
  * See the License for the specific language governing permissions and
 15   
  * limitations under the License.
 16   
  */
 17   
 
 18   
 package org.apache.portals.graffito.jcr.query.impl;
 19   
 
 20   
 import java.util.ArrayList;
 21   
 import java.util.Iterator;
 22   
 
 23   
 import org.apache.portals.graffito.jcr.mapper.Mapper;
 24   
 import org.apache.portals.graffito.jcr.mapper.model.ClassDescriptor;
 25   
 import org.apache.portals.graffito.jcr.query.Filter;
 26   
 import org.apache.portals.graffito.jcr.query.Query;
 27   
 
 28   
 /**
 29   
  * Default Query implementation
 30   
  *
 31   
  * @author <a href="mailto:christophe.lombart@sword-technologies.com">Christophe Lombart</a>
 32   
  *
 33   
  */
 34   
 public class QueryImpl implements Query
 35   
 {
 36   
 
 37   
 	private Filter filter;
 38   
 
 39   
     ClassDescriptor classDescriptor;
 40   
 
 41  0 
     private ArrayList orderByExpressions = new ArrayList();
 42   
 
 43   
 	/**
 44   
 	 * Constructor
 45   
 	 *
 46   
 	 * @param filter
 47   
 	 * @param mapper
 48   
 	 */
 49   
 	public QueryImpl(Filter filter, Mapper mapper)
 50  0 
 	{
 51  0 
 		this.filter = filter;
 52  0 
 		classDescriptor = mapper.getClassDescriptor(filter.getFilterClass());
 53  0 
 	}
 54   
 
 55   
 	/**
 56   
 	 * @see org.apache.portals.graffito.jcr.query.Query#setFilter(org.apache.portals.graffito.jcr.query.Filter)
 57   
 	 */
 58   
 	public void setFilter(Filter filter)
 59   
 	{
 60  0 
 		this.filter = filter;
 61  0 
 	}
 62   
 
 63   
 	/**
 64   
 	 * @see org.apache.portals.graffito.jcr.query.Query#getFilter()
 65   
 	 */
 66   
 	public Filter getFilter()
 67   
 	{
 68  0 
         return this.filter;
 69   
 	}
 70   
 
 71   
 	public void addOrderByDescending(String fieldNameAttribute)
 72   
 	{
 73  0 
 		orderByExpressions.add("@" + this.getJcrFieldName(fieldNameAttribute) + " descending");
 74  0 
 	}
 75   
 
 76   
 	/**
 77   
 	 *
 78   
 	 * @see org.apache.portals.graffito.jcr.query.Query#addOrderByAscending(java.lang.String)
 79   
 	 */
 80   
 	public void addOrderByAscending(String fieldNameAttribute)
 81   
 	{
 82  0 
 		orderByExpressions.add("@" + this.getJcrFieldName(fieldNameAttribute) + " ascending");
 83  0 
 	}
 84   
 
 85   
 	public String getOrderByExpression()
 86   
 	{
 87   
 
 88  0 
 		if (orderByExpressions.size() == 0)
 89   
 		{
 90  0 
 		   return "";
 91   
 		}
 92   
 
 93  0 
 		String orderByExpression = "order by ";
 94  0 
 		Iterator iterator   = orderByExpressions.iterator();
 95  0 
 		int count=1;
 96  0 
 		while (iterator.hasNext())
 97   
 		{
 98  0 
 			   if (count > 1)
 99   
 			   {
 100  0 
 				   orderByExpression += " , ";
 101   
 			   }
 102  0 
 			   orderByExpression+= (String) iterator.next();
 103  0 
 			   count++;
 104   
 		}
 105   
 
 106  0 
 		return orderByExpression;
 107   
 	}
 108   
 
 109   
 
 110   
 	private String getJcrFieldName(String fieldAttribute)
 111   
 	{
 112   
 
 113  0 
 		return classDescriptor.getJcrName(fieldAttribute);
 114   
 
 115   
 	}
 116   
 
 117   
 }

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