com.kratos.birt.report.data.oda.kairosdb.json.BeanValidationException.java Source code

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Here is the source code for com.kratos.birt.report.data.oda.kairosdb.json.BeanValidationException.java

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package com.kratos.birt.report.data.oda.kairosdb.json;

/*
 * Copyright 2013 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.
 */

import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Set;

import javax.validation.ConstraintViolation;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;

/**
 * Thrown when bean validation has errors.
 */
public class BeanValidationException extends IOException {
    private static final long serialVersionUID = -7030356083722362444L;
    private ImmutableSet<ConstraintViolation<Object>> violations;
    private String context;

    public BeanValidationException(Set<ConstraintViolation<Object>> violations) {
        this(violations, null);
    }

    public BeanValidationException(ConstraintViolation<Object> violation, String context) {
        this(Collections.singleton(violation), context);
    }

    public BeanValidationException(Set<ConstraintViolation<Object>> violations, String context) {
        super(messagesFor(violations, context).toString());
        this.context = context;
        this.violations = ImmutableSet.copyOf(violations);
    }

    /**
     * Returns the bean validation error messages.
     *
     * @return validation error messages
     */
    public List<String> getErrorMessages() {
        return messagesFor(violations, context);
    }

    /**
     * Returns the set of bean validation violations.
     *
     * @return set of bean validation violations
     */
    public Set<ConstraintViolation<Object>> getViolations() {
        return violations;
    }

    private static List<String> messagesFor(Set<ConstraintViolation<Object>> violations, String context) {
        ImmutableList.Builder<String> messages = new ImmutableList.Builder<String>();
        for (ConstraintViolation<?> violation : violations) {
            if (context != null && !context.isEmpty())
                messages.add(context + "." + violation.getPropertyPath().toString() + " " + violation.getMessage());
            else
                messages.add(violation.getPropertyPath().toString() + " " + violation.getMessage());
        }

        return messages.build();
    }
}