/*

	 * See Bug 208564 - [Preferences] preferenceTransfer: Allow wildcards on keys

	 * Since 3.6 preferenceTransfer allows to define common prefix for group of 

	 * preferences 

	 */

	public void testExportWithTransfers4() {

		final String VALID_QUALIFIER = getUniqueString();

		final String COMMON_PREFIX = "PREFIX.";

		IPreferenceFilter transfer = new IPreferenceFilter() {

			Map result;

			public Map getMapping(String scope) {

				if (result == null) {

					result = new HashMap();

					result.put(VALID_QUALIFIER, new PreferenceFilterEntry[] {new PreferenceFilterEntry(COMMON_PREFIX, true)});

				}

				return result;

			}

			public String[] getScopes() {

				return new String[] {InstanceScope.SCOPE};

			}

		};

		IPreferenceFilter[] matching = null;

		IPreferencesService service = Platform.getPreferencesService();

		IEclipsePreferences node = new InstanceScope().getNode(VALID_QUALIFIER);

		String VALID_KEY_1 = COMMON_PREFIX + "key1";

		String VALID_KEY_2 = COMMON_PREFIX + "key2";

		String VALID_KEY_3 = "key3";

		String VALID_KEY_4 = "key4";

		node.put(VALID_KEY_1, "value1");

		node.put(VALID_KEY_2, "value2");

		node.put(VALID_KEY_3, "value3");

		node.put(VALID_KEY_4, "value4");

		try {

			matching = service.matches(service.getRootNode(), new IPreferenceFilter[] {transfer});

		} catch (CoreException e) {

			fail("1.00", e);

		}

		assertEquals("2.00", 1, matching.length);

		ExportVerifier verifier = new ExportVerifier(service.getRootNode(), matching);

		verifier.addVersion();

		verifier.addExportRoot(service.getRootNode());

		verifier.addExpected(node.absolutePath(), VALID_KEY_1);

		verifier.addExpected(node.absolutePath(), VALID_KEY_2);

		verifier.verify();

	}