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Add support for try/catch/finally in XmlActions #440

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13 changes: 13 additions & 0 deletions framework/template/XmlActions.groovy.ftl
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Original file line number Diff line number Diff line change
Expand Up @@ -305,6 +305,19 @@ ${.node}

</#macro>

<#macro try> try {
<#recurse .node/>
}<#if .node["catch"]?has_content><#list .node["catch"] as catch> catch (<#if catch.@class?has_content>${catch.@class}<#else>Throwable</#if><#if catch.@field?has_content> ${catch.@field}<#else> e</#if>) {
<#recurse catch/>
}</#list>
<#if .node["finally"]?has_content> finally {
<#recurse .node["finally"][0]/>
}</#if></#if>
</#macro>

<#macro catch><#-- do nothing when visiting, only used explicitly inline --></#macro>
<#macro finally><#-- do nothing when visiting, only used explicitly inline --></#macro>

<#-- =================== if/when sub-elements =================== -->

<#macro condition><#-- do nothing when visiting, only used explicitly inline --></#macro>
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26 changes: 26 additions & 0 deletions framework/xsd/xml-actions-2.1.xsd
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Expand Up @@ -945,6 +945,32 @@ along with this software (see the LICENSE.md file). If not, see
</xs:complexType>
</xs:element>

<xs:element name="try" substitutionGroup="ControlOperations">
<xs:annotation><xs:documentation>
The try element can be used to catch errors
</xs:documentation></xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:group minOccurs="0" maxOccurs="unbounded" ref="AllOperations"/>
<xs:element maxOccurs="unbounded" ref="catch"/>
<xs:element minOccurs="0" ref="finally"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="finally">
<xs:annotation><xs:documentation>The finally block is executed after the catch block</xs:documentation></xs:annotation>
<xs:complexType>
<xs:group minOccurs="0" maxOccurs="unbounded" ref="AllOperations"/>
</xs:complexType>
</xs:element>
<xs:element name="catch">
<xs:annotation><xs:documentation>Catches an exception</xs:documentation></xs:annotation>
<xs:complexType>
<xs:group minOccurs="0" maxOccurs="unbounded" ref="AllOperations"/>
<xs:attribute name="class" type="xs:string"/>
<xs:attribute name="field" type="xs:string"/>
</xs:complexType>
</xs:element>

<xs:group name="IfConditions">
<xs:choice>
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