/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdc.be.model.tosca.constraints;

import java.util.regex.Pattern;

import org.openecomp.sdc.be.model.tosca.ToscaType;
import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintFunctionalException;
import org.openecomp.sdc.be.model.PropertyConstraint;
import org.openecomp.sdc.be.model.tosca.constraints.exception.ConstraintViolationException;
import org.openecomp.sdc.be.model.tosca.constraints.exception.PropertyConstraintException;

import javax.validation.constraints.NotNull;

public class PatternConstraint extends AbstractStringPropertyConstraint {

    @NotNull
    private String pattern;

    private Pattern compiledPattern;

    public void setPattern(String pattern) {
        this.pattern = pattern;
        this.compiledPattern = Pattern.compile(this.pattern);
    }

    @Override
    protected void doValidate(String propertyValue) throws ConstraintViolationException {
        if (!compiledPattern.matcher(propertyValue).matches()) {
            throw new ConstraintViolationException("The value do not match pattern " + pattern);
        }
    }

    @Override
    public ConstraintType getConstraintType() {
        return null;
    }

    @Override
    public void validateValueOnUpdate(PropertyConstraint newConstraint) throws PropertyConstraintException {

    }

    @Override
    public String getErrorMessage(ToscaType toscaType, ConstraintFunctionalException e, String propertyName) {
        return getErrorMessage(toscaType, e, propertyName, "%s property value must match the regular expression %s",
                pattern);
    }


}