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package diffutils.examples;

import java.util.List;

import difflib.DiffUtils;

import difflib.Patch;

import difflib.PatchFailedException;

import diffutils.TestConstants;

public class ApplyPatch extends Example {

static final String ORIGINAL = TestConstants.MOCK_FOLDER + "issue10_base.txt";

static final String PATCH = TestConstants.MOCK_FOLDER + "issue10_patch.txt";

public static void main(String[] args) throws PatchFailedException {

List<String> original = fileToLines(ORIGINAL);

List<String> patched = fileToLines(PATCH);

// At first, parse the unified diff file and get the patch

Patch<String> patch = DiffUtils.parseUnifiedDiff(patched);

// Then apply the computed patch to the given text

List<String> result = DiffUtils.patch(original, patch);

System.out.println(result);

// / Or we can call patch.applyTo(original). There is no difference.

}

}