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Groovy example source code file (TraversalTestSupport.groovy)

This example Groovy source code file (TraversalTestSupport.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

traversaltestsupport, traversaltestsupport

The Groovy TraversalTestSupport.groovy source code

package groovy.xml

class TraversalTestSupport {
    private static def nestedXml = '''
    <_1>
        <_1_1>
            <_1_1_1/>
            <_1_1_2>
                <_1_1_2_1/>
            </_1_1_2>
        </_1_1>
        <_1_2>
            <_1_2_1/>
        </_1_2>
    </_1>
    '''

    static void checkDepthFirst(Closure getRoot) {
        def root = getRoot(nestedXml)
        def trace = ''
        root.depthFirst().each{ trace += it.name() + ' ' }
        assert trace == '_1 _1_1 _1_1_1 _1_1_2 _1_1_2_1 _1_2 _1_2_1 '
        // test shorthand
        trace = ''
        root.'_1_2'.'**'.each{ trace += it.name() + ' ' }
        assert trace == '_1_2 _1_2_1 '
    }

    static void checkBreadthFirst(Closure getRoot) {
        def root = getRoot(nestedXml)
        def trace = ''
        root.breadthFirst().each{ trace += it.name() + ' ' }
        assert trace == '_1 _1_1 _1_2 _1_1_1 _1_1_2 _1_2_1 _1_1_2_1 '
    }
}

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