package org.doxla.spring.automock.xml.namespace;

 import org.doxla.spring.automock.AutoMockExposingPostProcessor;

 import org.doxla.spring.automock.resolver.InterfaceOnlyPatternMatchingMockResolver;

 import org.doxla.spring.automock.resolver.MockClassResolver;

 /**

  * Defines all of the elements in the automock namespace<br/>

  * For each element defines the {@link MockClassResolver} class used as the strategy in the {@link AutoMockExposingPostProcessor}<br/>

  * For each element defines a simple mapping between class property name and element attribute,

  * eg: new String[]{"resources","mockClassPattern"} defines a mapping between the property 'resources' and the attribute 'mockClassPattern' 

  * which is defined in the automock.xsd schema. 

  *  

  * @author danoxlade

  */

 enum NamespaceElement {

         /**

          * Represents the 'interfacePattern' element in the automock namespace<br/>

          * Defines the mapping for the 'resource' property on {@link InterfaceOnlyPatternMatchingMockResolver}.

          */

         interfacePattern(InterfaceOnlyPatternMatchingMockResolver.class, new String[]{"resources","mockClassPattern"});

         private Class<? extends MockClassResolver> strategy;

         private String[][] propertyToAttributeMapping;

         /**

          * @throws IllegalArgumentException if the given any of the propertyToAttributeMappings is not of size two, i.e a direct 1-1 mapping.

          */

         private NamespaceElement(Class<? extends MockClassResolver> strategy, String[]... propertyToAttributeMapping){

                 this.strategy = strategy;

                 for (String[] strings : propertyToAttributeMapping) {

                         if(strings.length != 2) throw new IllegalArgumentException("You must specify a direct mapping from property name to attribute name");

                 }

                 this.propertyToAttributeMapping = propertyToAttributeMapping;

         }

         /**

          * Get the {@link MockClassResolver} class that the {@link NamespaceElement} refers to.

          * @return a Class of type {@link MockClassResolver}

          */

         public Class<? extends MockClassResolver> getStrategyClass() {

                 return this.strategy;

         }

         /**

          * Get the list of property to attribute mappings

          * @return a {@link String} array of property to attribute mappings, the result will always be an array of {@link String} arrays exactly size 2, 

          * i.e String[][2]

          */

         public String[][] propertyToAttributeMappings() {

                 return propertyToAttributeMapping;

         }

 }