Examples of ExpressionFilter

cascading.operation.expression.ExpressionFilter
anino.net/">Janino compiler.
Specifically this filter uses the {@link ExpressionEvaluator}, thus the syntax from that class is inherited here.
An expression may use field names directly as parameters in the expression, or field positions with the syntax "$n", where n is an integer.
Given an argument tuple with the fields "a" and "b", the following expression returns true:
a + b == $0 + $1

Further, the types of the tuple elements will be coerced into the given parameterTypes. Regardless of the actual tuple element values, they will be converted to the types expected by the expression.
Field names used in the expression should be valid Java variable names; for example, '+' or '-' are not allowed. Also the use of a field name that begins with an upper-case character is likely to fail and should be avoided.
org.codehaus.activemq.filter.ExpressionFilter
Represents a filter using an expression @version $Revision: 1.2 $
org.mule.routing.filters.ExpressionFilter
Allows boolean expressions to be executed on a message. Note that when using this filter you must be able to either specify a boolean expression when using an expression filter or use one of the standard Mule filters. These can be defined as follows -
- RegEx - 'regex:': #[regex:'error' [0-9]]
- Wildcard - 'wildcard:': #[wildcard: *foo*
- PayloadType - 'payload-type:': #[payload:javax.jms.TextMessage]
- ExceptionType - 'exception-type:': #[exception-type:java.io.FileNotFoundException]
- Header - 'header:': #[header:foo!=null]
Otherwise you can use eny expression filter providing you can define a boolean expression i.e. #[xpath:count(/Foo/Bar) == 0] Note that it if the expression is not a boolean expression this filter will return true if the expression returns a result
org.openfaces.component.filter.ExpressionFilter
@author Dmitry Pikhulya

Examples of org.mule.routing.filters.ExpressionFilter

    {
        if (null != property)
        {
            ExpressionConfig config = new ExpressionConfig();
            config.parse(property);
            ExpressionFilter filter = new ExpressionFilter(config.getExpression(), config.getEvaluator(), config.getCustomEvaluator());
            filter.setMuleContext(context);
            return filter;
        }
        else
        {
            return null;

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Examples of org.mule.routing.filters.ExpressionFilter

    }


    @Test
    public void testExpressionFilter() throws Exception
    {
        ExpressionFilter filter = new ExpressionFilter("#[json:[0]/text]");
        filter.setMuleContext(muleContext);
        assertTrue(filter.accept(message));


        filter.setExpression("[0]/favorited");
        assertFalse(filter.accept(message));


        filter.setExpression("[0]/truncated");
        assertTrue(filter.accept(message));


        filter.setExpression("[0]/source");
        assertTrue(filter.accept(message));


        filter.setExpression("[0]/xxx");
        assertFalse(filter.accept(message));
    }

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Examples of org.mule.routing.filters.ExpressionFilter

    }


    @Test
    public void testExpressionFilterWithBooleanLogic() throws Exception
    {
        ExpressionFilter filter = new ExpressionFilter("#[json:[0]/text]");
        filter.setMuleContext(muleContext);
        assertTrue(filter.accept(message));


        filter.setExpression("[0]/favorited=false");
        assertTrue(filter.accept(message));


        filter.setExpression("[0]/truncated != true");
        assertFalse(filter.accept(message));


        filter.setExpression("[0]/source=null");
        assertFalse(filter.accept(message));


        filter.setExpression("[0]/source!= null");
        assertTrue(filter.accept(message));


    }

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Examples of org.mule.routing.filters.ExpressionFilter

    @Test
    public void testExpressionFilterWithBooleanLogicWhereElementDoesNotExist() throws Exception
    {
        // Checks against elements that do not exist


        ExpressionFilter filter = new ExpressionFilter("#[json:[0]/xyz = null]");
        filter.setMuleContext(muleContext);
        assertTrue(filter.accept(message));


        filter.setExpression("[0]/xyz!= null");
        assertFalse(filter.accept(message));
    }

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Examples of org.openfaces.component.filter.ExpressionFilter

 * @author Natalia.Zolochevska@Teamdev.com
 */
public class FilterExpressionExtractor implements CellDataExtractor {


    public boolean isApplicableFor(Object rowData, UIColumn column) {
        ExpressionFilter filter = findChildWithClass(column, ExpressionFilter.class);
        return filter != null;
    }

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Examples of org.openfaces.component.filter.ExpressionFilter

        ExpressionFilter filter = findChildWithClass(column, ExpressionFilter.class);
        return filter != null;
    }


    public Object getData(Object rowData, UIColumn column) {
        ExpressionFilter filter = findChildWithClass(column, ExpressionFilter.class);
        if (filter == null) {
            return null;
        }
        Object expression = filter.getExpression();
        if (expression instanceof ValueExpression) {
            return ((ValueExpression) expression).getValue(FacesContext.getCurrentInstance().getELContext());
        } else {
            return expression;
        }

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Examples of org.openfaces.component.filter.ExpressionFilter

public abstract class ExpressionFilterTag extends FilterTag {
    @Override
    public void setComponentProperties(FacesContext context, UIComponent component) {
        super.setComponentProperties(context, component);


        ExpressionFilter filter = (ExpressionFilter) component;


        String expression = getPropertyValue("expression");
        if (expression != null) {
            if (getExpressionCreator().isValueReference("expression", expression))
                filter.setExpression(createValueExpression(context, "expression", expression));
            else
                filter.setExpression(expression);
        }


        String condition = getPropertyValue("condition");
        if (condition != null)
            setCondition(filter, condition);

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Examples of org.openfaces.component.filter.ExpressionFilter

public abstract class ExpressionFilterRenderer extends RendererBase {
    protected static final String DEFAULT_PREDEFINED_CRITERION_CLASS = "o_table_filter_predefined_criterion";


    protected String getFilterSubmissionScript(ExpressionFilter filter) {
        UIComponent component = (UIComponent) filter.getFilteredComponent();
        ExpressionFilter submittedFilter = Components.isChildComponent(filter, component) ? null : filter;
        return new ScriptBuilder().functionCall("O$.Filters._filterComponent", component, submittedFilter, new RawScript("this")).
                semicolon().toString();
    }

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