1 /**

     2  * 

     3  */

     4 package org.junit.internal.requests;

     5 

     6 import org.junit.internal.runners.ErrorReportingRunner;

     7 import org.junit.runner.Request;

     8 import org.junit.runner.Runner;

     9 import org.junit.runner.manipulation.Filter;

    10 import org.junit.runner.manipulation.NoTestsRemainException;

    11 

    12 /**

    13  * A filtered {@link Request}.

    14  */

    15 public final class FilterRequest extends Request {

    16 	private final Request fRequest;

    17 	private final Filter fFilter;

    18 

    19 	/**

    20 	 * Creates a filtered Request

    21 	 * @param classRequest a {@link Request} describing your Tests

    22 	 * @param filter {@link Filter} to apply to the Tests described in 

    23 	 * <code>classRequest</code>

    24 	 */

    25 	public FilterRequest(Request classRequest, Filter filter) {

    26 		fRequest= classRequest;

    27 		fFilter= filter;

    28 	}

    29 

    30 	/** @inheritDoc */

    31 	@Override 

    32 	public Runner getRunner() {

    33 		try {

    34 			Runner runner= fRequest.getRunner();

    35 			fFilter.apply(runner);

    36 			return runner;

    37 		} catch (NoTestsRemainException e) {

    38 			return new ErrorReportingRunner(Filter.class, new Exception(String

    39 					.format("No tests found matching %s from %s", fFilter

    40 							.describe(), fRequest.toString())));

    41 		}

    42 	}

    43 }