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1   /**
2   The contents of this file are subject to the Mozilla Public License Version 1.1 
3   (the "License"); you may not use this file except in compliance with the License. 
4   You may obtain a copy of the License at http://www.mozilla.org/MPL/ 
5   Software distributed under the License is distributed on an "AS IS" basis, 
6   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the 
7   specific language governing rights and limitations under the License. 
8   
9   The Original Code is "PrimitiveRuleBuilder.java".  Description: 
10  "Rule Builder for PrimitiveTypeRules."
11  
12  The Initial Developer of the Original Code is University Health Network. Copyright (C) 
13  2012.  All Rights Reserved. 
14  
15  Contributor(s): ______________________________________. 
16  
17  Alternatively, the contents of this file may be used under the terms of the 
18  GNU General Public License (the "GPL"), in which case the provisions of the GPL are 
19  applicable instead of those above.  If you wish to allow use of your version of this 
20  file only under the terms of the GPL and not to allow others to use your version 
21  of this file under the MPL, indicate your decision by deleting  the provisions above 
22  and replace  them with the notice and other provisions required by the GPL License.  
23  If you do not delete the provisions above, a recipient may use your version of 
24  this file under either the MPL or the GPL. 
25   */
26  package ca.uhn.hl7v2.validation.builder;
27  
28  import java.util.ArrayList;
29  import java.util.Collection;
30  import java.util.List;
31  import java.util.Set;
32  
33  import ca.uhn.hl7v2.Version;
34  import ca.uhn.hl7v2.validation.PrimitiveTypeRule;
35  import ca.uhn.hl7v2.validation.Rule;
36  import ca.uhn.hl7v2.validation.builder.PredicatePrimitiveTypeRule.Trimmer;
37  import ca.uhn.hl7v2.validation.impl.PrimitiveTypeRuleBinding;
38  import ca.uhn.hl7v2.validation.impl.RuleBinding;
39  
40  /**
41   * Rule builder for {@link PrimitiveTypeRule}s
42   * 
43   * @author Christian Ohr
44   */
45  @SuppressWarnings("serial")
46  public class PrimitiveRuleBuilder extends RuleTypeBuilder<PrimitiveRuleBuilder, PrimitiveTypeRule>  {
47  
48  	private Set<String> types;
49  
50  	protected PrimitiveRuleBuilder(List<RuleBinding<? extends Rule<?>>> rules, Set<Version> versions,
51  			Set<String> types) {
52  		super(rules, versions);
53  		this.types = types;
54  	}
55  
56  	/**
57  	 * Builds a {@link PrimitiveTypeRule} that evaluates the specified {@link Predicate} against the
58  	 * primitive value.
59  	 * 
60  	 * @param predicate predicate to evaluate the primitive value against
61  	 * 
62  	 * @return this instance to build more rules
63  	 */
64  	public PrimitiveRuleBuilder is(Predicate predicate) {
65  		return test(prepareRule(new PredicatePrimitiveTypeRule(predicate)));
66  	}
67  
68  	/**
69  	 * Builds a {@link PrimitiveTypeRule} that evaluates the specified {@link Predicate} against the
70  	 * primitive value with leading whitespaces trimmed.
71  	 * 
72  	 * @param predicate predicate to evaluate the primitive value against
73  	 * 
74  	 * @return this instance to build more rules
75  	 */
76  	public PrimitiveRuleBuilder leftTrim(Predicate predicate) {
77  		return test(prepareRule(new PredicatePrimitiveTypeRule(predicate, Trimmer.LEFT)));
78  	}
79  
80      /**
81       * Builds a {@link PrimitiveTypeRule} that always evaluates to <code>true</code> and trims
82       * leading whitespaces.
83       * 
84       * @return this instance to build more rules
85       */
86      public PrimitiveRuleBuilder leftTrim() {
87          return leftTrim(always(true));
88      }
89      
90  	/**
91  	 * Builds a {@link PrimitiveTypeRule} that always evaluates to <code>true</code> and trims
92  	 * trailing whitespaces.
93  	 * 
94  	 * @return this instance to build more rules
95  	 */
96  	public PrimitiveRuleBuilder rightTrim() {
97  		return rightTrim(always(true));
98  	}
99  	
100     /**
101      * Builds a {@link PrimitiveTypeRule} that evaluates the specified {@link Predicate} against the
102      * primitive value with trailing whitespaces trimmed.
103      * 
104      * @param predicate predicate to evaluate the primitive value against
105      * 
106      * @return this instance to build more rules
107      */
108     public PrimitiveRuleBuilder rightTrim(Predicate predicate) {
109         return test(prepareRule(new PredicatePrimitiveTypeRule(predicate, Trimmer.RIGHT)));
110     }
111     
112     /**
113      * Builds a {@link PrimitiveTypeRule} that always evaluates to <code>true</code> and trims
114      * leading and trailing whitespaces.
115      * 
116      * @return this instance to build more rules
117      */
118     public PrimitiveRuleBuilder allTrim() {
119         return allTrim(always(true));
120     }
121     
122     /**
123      * Builds a {@link PrimitiveTypeRule} that evaluates the specified {@link Predicate} against the
124      * primitive value with leading and trailing whitespaces trimmed.
125      * 
126      * @param predicate predicate to evaluate the primitive value against
127      * 
128      * @return this instance to build more rules
129      */
130     public PrimitiveRuleBuilder allTrim(Predicate predicate) {
131         return test(prepareRule(new PredicatePrimitiveTypeRule(predicate, Trimmer.ALL)));
132     }    
133 
134 	@Override
135 	protected Collection<RuleBinding<PrimitiveTypeRule>> getRuleBindings(PrimitiveTypeRule rule,
136 			String version) {
137 		List<RuleBinding<PrimitiveTypeRule>> bindings = new ArrayList<RuleBinding<PrimitiveTypeRule>>();
138 		for (String type : types) {
139 			bindings.add(new PrimitiveTypeRuleBinding(version, type, rule));
140 		}
141 		return activate(bindings);
142 	}
143 
144 	// for tests only
145 	Set<String> getTypes() {
146 		return types;
147 	}
148 
149 	
150 }