Package org.skyscreamer.yoga.selector

Examples of org.skyscreamer.yoga.selector.FieldSelector

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*/
public abstract class ParentheticalSelectorParser extends SelectorParser
{
    protected FieldSelector parseParentheticalSelector( String rawSelectorExpression, String openParenthesis ) throws ParseSelectorException
    {
        FieldSelector selector = new FieldSelector();
        StringBuilder stringBuilder = new StringBuilder( rawSelectorExpression );
        while (stringBuilder.length() > 0)
        {
            processNextSelectorField( selector, stringBuilder, openParenthesis );
        }
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            String openParenthesis) throws ParseSelectorException
    {
        int index = 0;
        boolean done = false;
        StringBuilder fieldNameBuilder = new StringBuilder();
        FieldSelector subSelector = new FieldSelector();

        while (!done)
        {
            if (selectorBuff.charAt( index ) == ',')
            {
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        if ( selectorExpression.startsWith( ALIAS_SELECTOR_PREFIX ) )
        {
            selectorExpression = _aliasSelectorResolver.resolveSelector( selectorExpression );
        }

        FieldSelector fieldSelector = parse( selectorExpression );

        if(fieldSelector != null && !fieldSelector.getAllPossibleFieldMap( null ).isEmpty() )
        {
            return fieldSelector;
        }
        else
        {
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    protected FieldSelector parse( String selectorExpression ) throws ParseSelectorException
    {
        if (selectorExpression.equals( ":" ))
        {
            return new FieldSelector();
        }

        if (!selectorExpression.startsWith( EXPLICIT_SELECTOR_PREFIX ))
        {
            String message = "Selector must start with " + EXPLICIT_SELECTOR_PREFIX;
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        BasicTestDataLeaf input = new BasicTestDataLeaf();
        List<String> list = Arrays.asList( "someValue", "aSecondValue" );
        input.setRandomStrings( list );
        ObjectMapHierarchicalModelImpl model = new ObjectMapHierarchicalModelImpl();

        FieldSelector selector = new FieldSelector();
        selector.register( "randomStrings", new FieldSelector() );

        resultTraverser.traverse( input, new CompositeSelector( resolver.getBaseSelector(), selector ), model, requestContext );

        Map<String, Object> objectTree = model.getUnderlyingModel();
        Assert.assertEquals( list, objectTree.get( "randomStrings" ) );
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        input.setOther("other");
        map.put("aThirdKey", input);
       
        ObjectMapHierarchicalModelImpl model = new ObjectMapHierarchicalModelImpl();

        FieldSelector selector = new FieldSelector();
        selector.register( "anotherKey", new FieldSelector() );
        selector.register( "aThirdKey", new FieldSelector() );

        resultTraverser.traverse( map, new CompositeSelector( resolver.getBaseSelector(), selector ), model, requestContext );
        Map<String, Object> objectTree = model.getUnderlyingModel();
       
        // "someKey" should not be selected from map
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        BasicTestDataLeaf input = new BasicTestDataLeaf();
        List<String> list = Arrays.asList( "someValue", null, "aThirdValue" );
        input.setRandomStrings( list );
        ObjectMapHierarchicalModelImpl model = new ObjectMapHierarchicalModelImpl();

        FieldSelector selector = new FieldSelector();
        selector.register( "randomStrings", new FieldSelector() );

        resultTraverser.traverse( input, new CompositeSelector( resolver.getBaseSelector(), selector ), model, requestContext );

        Map<String, Object> objectTree = model.getUnderlyingModel();
        Assert.assertEquals( list, objectTree.get( "randomStrings" ) );
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    {
        BasicTestDataLeaf input = new BasicTestDataLeaf();
        input.setOther( "someValue" );
        ObjectMapHierarchicalModelImpl model = new ObjectMapHierarchicalModelImpl();

        FieldSelector fieldSelector = new FieldSelector();
        fieldSelector.register( "other", new FieldSelector() );

        CompositeSelector selector = new CompositeSelector( resolver.getBaseSelector(), fieldSelector );
        resultTraverser.traverse( input, selector, model, requestContext );

        Map<String, Object> objectTree = model.getUnderlyingModel();
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    {
        BasicTestDataNode input = new BasicTestDataNode();
        input.setLeaf( new BasicTestDataLeaf() );
        input.setId( "fooId" );

        FieldSelector fieldSelector = new FieldSelector();
        fieldSelector.register( "leaf", new FieldSelector() );
        CompositeSelector selector = new CompositeSelector( resolver.getBaseSelector(), fieldSelector );

        ObjectMapHierarchicalModelImpl model = new ObjectMapHierarchicalModelImpl();

        resultTraverser.traverse( input, selector, model, requestContext );
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    @Test
    public void testConfiguration() throws IOException
    {
        BasicTestDataLeaf input = new BasicTestDataLeaf();
        ObjectMapHierarchicalModelImpl model = new ObjectMapHierarchicalModelImpl();
        FieldSelector fieldSelector = new FieldSelector();
        fieldSelector.register( "someField", new FieldSelector() );
        resultTraverser.traverse( input, new CompositeSelector( resolver.getBaseSelector(), fieldSelector ), model, requestContext );
        Map<String, Object> objectTree = model.getUnderlyingModel();
        Assert.assertEquals( "customValue", objectTree.get( "someField" ) );
    }
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Related Classes of org.skyscreamer.yoga.selector.FieldSelector

  • org.skyscreamer.yoga.mapper.ResultTraverserTest
  • org.skyscreamer.yoga.selector.parser.LinkedInSelectorParser
  • org.skyscreamer.yoga.selector.parser.ParentheticalSelectorParser
  • org.skyscreamer.yoga.selector.parser.SelectorParser
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