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Check for other duplicate JAR files in classpath DAT-15963 #4996

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Oct 10, 2023
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,9 @@
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

/**
Expand All @@ -18,6 +18,11 @@
*/
public class LiquibaseLauncher {

public static final String LIQUIBASE_CORE_JAR_PATTERN = ".*?/liquibase-core.*?.jar";
public static final String LIQUIBASE_COMMERCIAL_JAR_PATTERN = ".*?/liquibase-commercial.*?.jar";
public static final String LIQUIBASE_CORE_MESSAGE = "Liquibase Core";
public static final String LIQUIBASE_COMMERCIAL_MESSAGE = "Liquibase Commercial";
public static final String DEPENDENCY_JAR_PATTERN = "(.*?)-([0-9.]*).jar";
private static boolean debug = false;

public static void main(final String[] args) throws Exception {
Expand Down Expand Up @@ -86,25 +91,45 @@ public static void main(final String[] args) throws Exception {
//
// Check for duplicate core and commercial JAR files
//

List<String> duplicateCore =
urls
.stream()
.map(URL::getFile)
.filter(file -> file.matches(".*?/liquibase-core.*?.jar"))
.filter(file -> file.matches(LIQUIBASE_CORE_JAR_PATTERN))
.collect(Collectors.toList());
List<String> duplicateCommercial =
urls
.stream()
.map(URL::getFile)
.filter(file -> file.matches(".*?/liquibase-commercial.*?.jar"))
.filter(file -> file.matches(LIQUIBASE_COMMERCIAL_JAR_PATTERN))
.collect(Collectors.toList());
if (duplicateCore.size() > 1) {
buildDupsMessage(duplicateCore, "Liquibase Core");
buildDupsMessage(duplicateCore, LIQUIBASE_CORE_MESSAGE);
}
if (duplicateCommercial.size() > 1) {
buildDupsMessage(duplicateCommercial, "Liquibase Commercial");
buildDupsMessage(duplicateCommercial, LIQUIBASE_COMMERCIAL_MESSAGE);
}

Pattern versionedJarPattern = Pattern.compile(DEPENDENCY_JAR_PATTERN);
Map<String, List<String>> duplicates = new LinkedHashMap<>();
urls
.forEach(url -> {
Matcher m = versionedJarPattern.matcher(new File(url.getFile()).getName());
if (m.find()) {
String key = m.group(1);
List<String> dupEntries = duplicates.get(key);
if (dupEntries == null) {
dupEntries = new ArrayList<>();
}
dupEntries.add(url.getFile());
duplicates.put(key, dupEntries);
}
});
duplicates.forEach((key, value) -> {
if (value.size() > 1) {
buildDupsMessage(value, key);
}
});
if (debug) {
debug("Final Classpath:");
for (URL url : urls) {
Expand Down