cdi-extender/src/main/java/org/apache/aries/cdi/container/internal/util/Filters.java

/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.aries.cdi.container.internal.util;

import org.osgi.framework.Filter;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.InvalidSyntaxException;

public class Filters {

	private Filters() {
		// no instances
	}

	public static final Filter asFilter(String pattern, Object... objects) {
		try {
			return FrameworkUtil.createFilter(String.format(pattern, objects));
		}
		catch (InvalidSyntaxException ise) {
			return Throw.exception(ise);
		}
	}

	public static final boolean isValid(String filterString) {
		try {
			FrameworkUtil.createFilter(filterString);

			return true;
		}
		catch (InvalidSyntaxException ise) {
			return false;
		}
	}

}