mapstruct/processor/src/main/resources/org.mapstruct.ap.model.MapMappingMethod.ftl

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<#--
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.
-->
@Override
<#lt>${accessibility.keyword} <@includeModel object=returnType /> ${name}(<#list parameters as param><@includeModel object=param/><#if param_has_next>, </#if></#list>) <@throws/> {
if ( ${sourceParameter.name} == null ) {
return<#if returnType.name != "void"> null</#if>;
}
<#if existingInstanceMapping>
${resultName}.clear();
<#else>
<@includeModel object=resultType /> ${resultName} = <#if factoryMethod??><@includeModel object=factoryMethod/><#else>new <#if resultType.implementationType??><@includeModel object=resultType.implementationType /><#else><@includeModel object=resultType /></#if>()</#if>;
</#if>
<#-- Once #148 has been addressed, the simple name of Map.Entry can be used -->
for ( java.util.Map.Entry<<#list sourceParameter.type.typeParameters as typeParameter><@includeModel object=typeParameter /><#if typeParameter_has_next>, </#if></#list>> ${entryVariableName} : ${sourceParameter.name}.entrySet() ) {
<#-- key -->
<@includeModel object=keyAssignment
targetAccessorName=keyVariableName
targetType=typeName(resultType.typeParameters[0])
isLocalVar=true/>
<#-- value -->
<@includeModel object=valueAssignment
targetAccessorName=valueVariableName
targetType=typeName(resultType.typeParameters[1])
isLocalVar=true/>
${resultName}.put( ${keyVariableName}, ${valueVariableName} );
}
<#if returnType.name != "void">
return ${resultName};
</#if>
}
<#function typeName type>
<#local result><@includeModel object=type/></#local>
<#return result>
</#function>
<#macro throws>
<@compress single_line=true>
<#if (thrownTypes?size > 0)>throws </#if>
<#list thrownTypes as exceptionType>
<@includeModel object=exceptionType/>
<#if exceptionType_has_next>, </#if>
</#list>
</@compress>
</#macro>