/*
 * Copyright (c) 2011, grossmann
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of the jo-widgets.org nor the
 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

package org.jowidgets.validation;

import java.io.Serializable;

final class ValidationMessageImpl implements IValidationMessage, Serializable {

    private static final long serialVersionUID = 6091301415212441351L;

    private final MessageType type;
    private final String text;
    private final String context;

    ValidationMessageImpl(final MessageType type, final String context, final String text) {
        Assert.paramNotNull(type, "type");
        this.type = type;
        this.context = context;
        this.text = text;
    }

    @Override
    public MessageType getType() {
        return type;
    }

    @Override
    public String getText() {
        return text;
    }

    @Override
    public String getContext() {
        return context;
    }

    @Override
    public IValidationMessage withContext(final String context) {
        if (NullCompatibleEquivalence.equals(this.context, context)) {
            return this;
        }
        else {
            return new ValidationMessageImpl(this.type, context, this.text);
        }
    }

    @Override
    public boolean equalOrWorse(final IValidationMessage message) {
        Assert.paramNotNull(message, "message");
        return type.equalOrWorse(message.getType());
    }

    @Override
    public boolean worse(final IValidationMessage message) {
        Assert.paramNotNull(message, "message");
        return type.worse(message.getType());
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((context == null) ? 0 : context.hashCode());
        result = prime * result + ((text == null) ? 0 : text.hashCode());
        result = prime * result + ((type == null) ? 0 : type.hashCode());
        return result;
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final ValidationMessageImpl other = (ValidationMessageImpl) obj;
        if (context == null) {
            if (other.context != null) {
                return false;
            }
        }
        else if (!context.equals(other.context)) {
            return false;
        }
        if (text == null) {
            if (other.text != null) {
                return false;
            }
        }
        else if (!text.equals(other.text)) {
            return false;
        }
        if (type != other.type) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "ValidationMessageImpl [type=" + type + ", text=" + text + ", context=" + context + "]";
    }

}