Coverage report

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org.apache.portals.graffito.jcr.query.impl.FilterImpl
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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   
 
 21   
 import java.util.ArrayList;
 22   
 import java.util.Iterator;
 23   
 import java.util.Map;
 24   
 import java.util.List;
 25   
 
 26   
 import org.apache.commons.logging.Log;
 27   
 import org.apache.commons.logging.LogFactory;
 28   
 import org.apache.portals.graffito.jcr.mapper.model.ClassDescriptor;
 29   
 import org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter;
 30   
 import org.apache.portals.graffito.jcr.query.Filter;
 31   
 
 32   
 /**
 33   
  * {@link org.apache.portals.graffito.jcr.query.Filter}
 34   
  *
 35   
  * @author <a href="mailto:christophe.lombart@sword-technologies.com">Christophe Lombart</a>
 36   
  * @author <a href="mailto:the_mindstorm[at]evolva[dot]ro">Alex Popescu</a>
 37   
  */
 38   
 public class FilterImpl implements Filter {
 39  0 
     private final static Log log = LogFactory.getLog(FilterImpl.class);
 40   
 
 41   
     private Class claszz;
 42  0 
     private String scope = "";
 43  0 
     private List jcrExpressions = new ArrayList();
 44   
 
 45   
     private ClassDescriptor classDescriptor;
 46   
     private Map atomicTypeConverters;
 47   
 
 48   
     private String orJcrExpression;
 49   
 
 50   
     /**
 51   
      * Constructor
 52   
      *
 53   
      * @param classDescriptor
 54   
      * @param atomicTypeConverters
 55   
      * @param clazz
 56   
      */
 57  0 
     public FilterImpl(ClassDescriptor classDescriptor, Map atomicTypeConverters, Class clazz) {
 58  0 
         this.claszz = clazz;
 59  0 
         this.atomicTypeConverters = atomicTypeConverters;
 60  0 
         this.classDescriptor = classDescriptor;
 61  0 
     }
 62   
 
 63   
     /**
 64   
      *
 65   
      * @see org.apache.portals.graffito.jcr.query.Filter#getFilterClass()
 66   
      */
 67   
     public Class getFilterClass() {
 68  0 
         return claszz;
 69   
     }
 70   
 
 71   
     /**
 72   
      * @see org.apache.portals.graffito.jcr.query.Filter#setScope(java.lang.String)
 73   
      */
 74   
     public void setScope(String scope) {
 75  0 
         this.scope = scope;
 76  0 
     }
 77   
 
 78   
     /**
 79   
      * @see org.apache.portals.graffito.jcr.query.Filter#getScope()
 80   
      */
 81   
     public String getScope() {
 82  0 
         return this.scope;
 83   
     }
 84   
 
 85   
     /**
 86   
      * @see org.apache.portals.graffito.jcr.query.Filter#addContains(java.lang.String, java.lang.String)
 87   
      */
 88   
     public Filter addContains(String scope, String fullTextSearch) {
 89  0 
         String jcrExpression = null;
 90  0 
         if (scope.equals(".")) {
 91  0 
             jcrExpression = "jcr:contains(., '" + fullTextSearch + "')";
 92   
         }
 93   
         else {
 94  0 
             jcrExpression = "jcr:contains(@" + this.getJcrFieldName(scope) + ", '" + fullTextSearch
 95   
                 + "')";
 96   
         }
 97   
 
 98  0 
         jcrExpressions.add(jcrExpression);
 99   
 
 100  0 
         return this;
 101   
     }
 102   
 
 103   
     /**
 104   
      * @see org.apache.portals.graffito.jcr.query.Filter#addBetween(java.lang.String, java.lang.Object, java.lang.Object)
 105   
      */
 106   
     public Filter addBetween(String fieldAttributeName, Object value1, Object value2) {
 107  0 
         String jcrExpression = "( @" + this.getJcrFieldName(fieldAttributeName) + " >= "
 108   
             + this.getStringValue(value1)
 109   
             + " and @" + this.getJcrFieldName(fieldAttributeName) + " <= "
 110   
             + this.getStringValue(value2) + ")";
 111   
 
 112  0 
         jcrExpressions.add(jcrExpression);
 113   
 
 114  0 
         return this;
 115   
     }
 116   
 
 117   
     /**
 118   
      * @see org.apache.portals.graffito.jcr.query.Filter#addEqualTo(java.lang.String, java.lang.Object)
 119   
      */
 120   
     public Filter addEqualTo(String fieldAttributeName, Object value) {
 121  0 
         String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " = "
 122   
             + this.getStringValue(value);
 123  0 
         jcrExpressions.add(jcrExpression);
 124   
 
 125  0 
         return this;
 126   
     }
 127   
 
 128   
     /**
 129   
      * @see org.apache.portals.graffito.jcr.query.Filter#addGreaterOrEqualThan(java.lang.String, java.lang.Object)
 130   
      */
 131   
     public Filter addGreaterOrEqualThan(String fieldAttributeName, Object value) {
 132  0 
         String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " >= "
 133   
             + this.getStringValue(value);
 134  0 
         jcrExpressions.add(jcrExpression);
 135   
 
 136  0 
         return this;
 137   
     }
 138   
 
 139   
     /**
 140   
      * @see org.apache.portals.graffito.jcr.query.Filter#addGreaterThan(java.lang.String, java.lang.Object)
 141   
      */
 142   
     public Filter addGreaterThan(String fieldAttributeName, Object value) {
 143  0 
         String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " > "
 144   
             + this.getStringValue(value);
 145  0 
         jcrExpressions.add(jcrExpression);
 146   
 
 147  0 
         return this;
 148   
     }
 149   
 
 150   
     /**
 151   
      * @see org.apache.portals.graffito.jcr.query.Filter#addLessOrEqualThan(java.lang.String, java.lang.Object)
 152   
      */
 153   
     public Filter addLessOrEqualThan(String fieldAttributeName, Object value) {
 154  0 
         String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " <= "
 155   
             + this.getStringValue(value);
 156  0 
         jcrExpressions.add(jcrExpression);
 157   
 
 158  0 
         return this;
 159   
     }
 160   
 
 161   
     /**
 162   
      * @see org.apache.portals.graffito.jcr.query.Filter#addLessOrEqualThan(java.lang.String, java.lang.Object)
 163   
      */
 164   
     public Filter addLessThan(String fieldAttributeName, Object value) {
 165  0 
         String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " < "
 166   
             + this.getStringValue(value);
 167  0 
         jcrExpressions.add(jcrExpression);
 168   
 
 169  0 
         return this;
 170   
     }
 171   
 
 172   
     /**
 173   
      * @see org.apache.portals.graffito.jcr.query.Filter#addLike(java.lang.String, java.lang.Object)
 174   
      */
 175   
     public Filter addLike(String fieldAttributeName, Object value) {
 176  0 
         String jcrExpression = "jcr:like(" + "@" + this.getJcrFieldName(fieldAttributeName) + ", '"
 177   
             + value + "')";
 178  0 
         jcrExpressions.add(jcrExpression);
 179   
 
 180  0 
         return this;
 181   
     }
 182   
 
 183   
     /**
 184   
      * @see org.apache.portals.graffito.jcr.query.Filter#addNotEqualTo(java.lang.String, java.lang.Object)
 185   
      */
 186   
     public Filter addNotEqualTo(String fieldAttributeName, Object value) {
 187  0 
         String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName) + " != "
 188   
             + this.getStringValue(value);
 189  0 
         jcrExpressions.add(jcrExpression);
 190   
 
 191  0 
         return this;
 192   
     }
 193   
 
 194   
     /**
 195   
      * @see org.apache.portals.graffito.jcr.query.Filter#addNotNull(java.lang.String)
 196   
      */
 197   
     public Filter addNotNull(String fieldAttributeName) {
 198  0 
         String jcrExpression = "@" + this.getJcrFieldName(fieldAttributeName);
 199  0 
         jcrExpressions.add(jcrExpression);
 200   
 
 201  0 
         return this;
 202   
     }
 203   
 
 204   
     /**
 205   
      * @see org.apache.portals.graffito.jcr.query.Filter#addIsNull(java.lang.String)
 206   
      */
 207   
     public Filter addIsNull(String fieldAttributeName) {
 208  0 
         String jcrExpression = "not(@" + this.getJcrFieldName(fieldAttributeName) + ")";
 209  0 
         jcrExpressions.add(jcrExpression);
 210   
 
 211  0 
         return this;
 212   
     }
 213   
 
 214   
     /**
 215   
      * @see org.apache.portals.graffito.jcr.query.Filter#addOrFilter(org.apache.portals.graffito.jcr.query.Filter)
 216   
      */
 217   
     public Filter addOrFilter(Filter filter) {
 218  0 
         orJcrExpression = ((FilterImpl) filter).getJcrExpression();
 219   
 
 220  0 
         return this;
 221   
     }
 222   
 
 223   
     public Filter addJCRExpression(String jcrExpression) {
 224  0 
         jcrExpressions.add(jcrExpression);
 225   
 
 226  0 
         return this;
 227   
     }
 228   
 
 229   
     private String getJcrFieldName(String fieldAttribute) {
 230  0 
         String jcrFieldName = classDescriptor.getJcrName(fieldAttribute);
 231  0 
         if (jcrFieldName == null) {
 232  0 
             log.error("Impossible to find the jcrFieldName for the attribute :" + fieldAttribute);
 233   
         }
 234   
 
 235  0 
         return jcrFieldName;
 236   
 
 237   
     }
 238   
 
 239   
     private String getStringValue(Object value) {
 240  0 
         AtomicTypeConverter atomicTypeConverter = (AtomicTypeConverter) atomicTypeConverters.get(
 241   
                 value.getClass());
 242   
 
 243  0 
         return atomicTypeConverter.getStringValue(value);
 244   
     }
 245   
 
 246   
     public String getJcrExpression() {
 247  0 
         if ((orJcrExpression == null) || orJcrExpression.equals("")) {
 248  0 
             return buildJcrExpression();
 249   
         }
 250   
         else {
 251  0 
             return "(" + buildJcrExpression() + ") or (" + this.orJcrExpression + ")";
 252   
         }
 253   
     }
 254   
 
 255   
     private String buildJcrExpression() {
 256  0 
         int count = 1;
 257  0 
         String jcrExp = "";
 258   
 
 259  0 
         Iterator criteriaIterator = jcrExpressions.iterator();
 260  0 
         while (criteriaIterator.hasNext()) {
 261  0 
             if (count > 1) {
 262  0 
                 jcrExp += " and ";
 263   
             }
 264  0 
             jcrExp += (String) criteriaIterator.next();
 265  0 
             count++;
 266   
 
 267   
         }
 268   
 
 269  0 
         return jcrExp;
 270   
     }
 271   
 }

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