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package com.github.fge.jsonschema.messages;

import com.github.fge.jsonschema.exceptions.unchecked.ProcessingError;
import com.github.fge.jsonschema.report.ProcessingMessage;

import java.util.ResourceBundle;

public final class MessageBundle
{
    private final ResourceBundle bundle;
    private final ErrorProvider errorProvider;

    public MessageBundle(final String name, final ErrorProvider errorProvider)
    {
        bundle = ResourceBundle.getBundle(name);
        this.errorProvider = errorProvider;
    }

    public String getString(final String key)
    {
        return bundle.getString(key);
    }

    public ProcessingMessage message(final String key)
    {
        return new ProcessingMessage().message(bundle.getString(key));
    }

    public void checkNotNull(final Object obj, final String key)
    {
        if (obj == null)
            throw errorProvider.doError(bundle.getString(key));
    }

    interface ErrorProvider
    {
        ProcessingError doError(final String msg);
    }
}