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An annotation processor for generating type-safe bean mappers
There is a newer version: 1.6.2
<#--

     Copyright 2012-2014 Gunnar Morling (http://www.gunnarmorling.de/)
     and/or other contributors as indicated by the @authors tag. See the
     copyright.txt file in the distribution for a full listing of all
     contributors.

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

         http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.

-->
<#-- a) invoke mapping method -->
<#if mappingMethod??>
    <@assignResult
        existingInstanceMapping=ext.existingInstanceMapping
        targetAccessorSetter=targetAccessorSetter
        targetType=targetType
        targetBeanName=ext.targetBeanName
        targetReadAccessorName=targetReadAccessorName
        targetAccessorName=targetAccessorName
        sourceBeanName=sourceBeanName
        sourceAccessorName=sourceAccessorName><#compress>
            <@includeModel object=mappingMethod input="${sourceBeanName}.${sourceAccessorName}()" targetType=targetType.name/>
    
<#-- b) simple conversion -->
<#elseif conversion??>
    <#if sourceType.primitive == false>
        if ( ${sourceBeanName}.${sourceAccessorName}() != null ) {
             <@applyConversion targetBeanName=ext.targetBeanName targetAccessorName=targetAccessorName conversion=conversion/>
        }
    <#else>
        <@applyConversion targetBeanName=ext.targetBeanName targetAccessorName=targetAccessorName conversion=conversion/>
    
<#-- c) simply set -->
<#else>
    <@assignResult
        existingInstanceMapping=ext.existingInstanceMapping
        targetAccessorSetter=targetAccessorSetter
        targetType=targetType
        targetBeanName=ext.targetBeanName
        targetReadAccessorName=targetReadAccessorName
        targetAccessorName=targetAccessorName
        sourceBeanName=sourceBeanName
        sourceAccessorName=sourceAccessorName
        ; use_plain><#compress>
        <#if use_plain>
            ${sourceBeanName}.${sourceAccessorName}()
        <#else>
            new <#if targetType.implementationType??><@includeModel object=targetType.implementationType/><#else><@includeModel object=targetType/>( ${sourceBeanName}.${sourceAccessorName}() )
        
    

<#macro assignResult existingInstanceMapping targetAccessorSetter targetType targetBeanName targetReadAccessorName targetAccessorName sourceBeanName sourceAccessorName>
    <#if ( existingInstanceMapping || !targetAccessorSetter ) && ( targetType.collectionType || targetType.mapType ) >
        if ( ${targetBeanName}.${targetReadAccessorName}() != null ) {
            <#if existingInstanceMapping>
                ${targetBeanName}.${targetReadAccessorName}().clear();
            <#t>
            if ( ${sourceBeanName}.${sourceAccessorName}() != null ) {
                <#if targetType.collectionType>
                    ${targetBeanName}.${targetReadAccessorName}().addAll( <#nested true> );
                <#else>
                    ${targetBeanName}.${targetReadAccessorName}().putAll( <#nested true> );
                
            }
        }
        <#if targetAccessorSetter>
        else if ( ${sourceBeanName}.${sourceAccessorName}() != null ) {
            ${targetBeanName}.${targetAccessorName}( <#nested false> );
        }
        
    <#elseif targetAccessorSetter>
        <#if targetType.collectionType || targetType.mapType>
        if ( ${sourceBeanName}.${sourceAccessorName}() != null ) {
            ${targetBeanName}.${targetAccessorName}( <#nested false> );
        }
        <#else>
            ${targetBeanName}.${targetAccessorName}( <#nested true> );
        
    

<#macro applyConversion targetBeanName targetAccessorName conversion>
    <#if (conversion.exceptionTypes?size == 0) >
        ${targetBeanName}.${targetAccessorName}( <@includeModel object=conversion/> );
    <#else>
        try {
            ${targetBeanName}.${targetAccessorName}( <@includeModel object=conversion/> );
        }
        <#list conversion.exceptionTypes as exceptionType>
        catch( <@includeModel object=exceptionType/> e ) {
            throw new RuntimeException( e );
        }