io.airlift.jaxrs.BeanValidationException.java Source code

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Here is the source code for io.airlift.jaxrs.BeanValidationException.java

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/*
 * Copyright 2012 Proofpoint, Inc.
 *
 * 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 io.airlift.jaxrs;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableSet;

import javax.validation.ConstraintViolation;

import java.util.Set;

import static com.google.common.collect.Iterables.transform;

/**
 * Thrown when bean validation has errors.
 */
public class BeanValidationException extends ParsingException {
    private final Set<ConstraintViolation<Object>> violations;

    public BeanValidationException(Set<ConstraintViolation<Object>> violations) {
        super(Joiner.on(", ").join(transform(violations, constraintMessageBuilder())));
        this.violations = ImmutableSet.copyOf(violations);
    }

    public Set<ConstraintViolation<Object>> getViolations() {
        return violations;
    }

    public static <T> Function<ConstraintViolation<T>, String> constraintMessageBuilder() {
        return new Function<ConstraintViolation<T>, String>() {
            @Override
            public String apply(ConstraintViolation<T> violation) {
                return violation.getPropertyPath().toString() + " " + violation.getMessage();
            }
        };
    }
}