libraries/constraints/src/main/java/org/qi4j/library/constraints/ContainsConstraint.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.qi4j.library.constraints;

import org.qi4j.api.constraint.Constraint;
import org.qi4j.library.constraints.annotation.Contains;

/**
 * Implement @Contains constraint for String.
 */
public class ContainsConstraint
    implements Constraint<Contains, String>
{

    private static final long serialVersionUID = 1L;

    @Override
    public boolean isValid( Contains annotation, String argument )
    {
        return argument.contains( annotation.value() );
    }

}