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A TestNG like dataprovider runner for JUnit having a simplified syntax compared to all the existing JUnit4 features.

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package com.tngtech.java.junit.dataprovider.format;

import java.lang.reflect.Method;
import java.util.List;

import com.tngtech.junit.dataprovider.format.DataProviderTestNameFormatter;
import com.tngtech.junit.dataprovider.placeholder.BasePlaceholder;
import com.tngtech.junit.dataprovider.placeholder.ReplacementData;

public class DataProviderPlaceholderFormatter implements DataProviderTestNameFormatter {

    private final String nameFormat;
    private final List placeholders;

    public DataProviderPlaceholderFormatter(String nameFormat, List placeholders) {
        this.nameFormat = nameFormat;
        this.placeholders = placeholders;
    }

    @Override
    public String format(Method testMethod, int invocationIndex, List arguments) {
        String result = nameFormat;
        for (BasePlaceholder placeholder : placeholders) {
            if (placeholder instanceof com.tngtech.java.junit.dataprovider.internal.placeholder.BasePlaceholder) {
                com.tngtech.java.junit.dataprovider.internal.placeholder.BasePlaceholder placeHolder = (com.tngtech.java.junit.dataprovider.internal.placeholder.BasePlaceholder) placeholder;
                synchronized (placeHolder) {
                    placeHolder.setContext(testMethod, invocationIndex, arguments.toArray());
                    result = placeHolder.process(result);
                }

            } else {
                ReplacementData data = ReplacementData.of(testMethod, invocationIndex, arguments);
                result = placeholder.process(data, result);
            }
        }
        return result;
    }
}