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4) Added maven-dependency-plugin:build-classpath and code to read res…
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92 changes: 92 additions & 0 deletions
92
integration-tests/src/test/java/fuud/test/ClassPathHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package fuud.test; | ||
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.util.*; | ||
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| public class ClassPathHelper { | ||
| private static Map<String, List<String>> artifactToClassPath = null; | ||
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| public static synchronized List<String> getClasspathForArtifact(String artifactId) { | ||
| if (artifactToClassPath == null) { | ||
| artifactToClassPath = new HashMap<>(); | ||
| try { | ||
| File topProjectDir = findTopProjectDir(); | ||
| checkPomChanges(topProjectDir); | ||
| searchForClassPathFiles(topProjectDir, artifactToClassPath); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
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| List<String> result = artifactToClassPath.get(artifactId); | ||
| if (result == null) { | ||
| throw new IllegalStateException("Classpath for artifactId " + artifactId + " is not found, known artifacts: " + artifactToClassPath.keySet()); | ||
| } | ||
| return result; | ||
| } | ||
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| private static void checkPomChanges(File topProjectDir) throws IOException { | ||
| File pomXml = new File(topProjectDir, "pom.xml"); | ||
| if (pomXml.exists()) { | ||
| File targetPomFile = new File(new File(topProjectDir, "target"), "pom-copy.xml"); | ||
| if (!targetPomFile.exists()) { | ||
| throw new IllegalStateException(targetPomFile.getAbsolutePath() + " is not generated, run `mvn process-classes` first"); | ||
| } | ||
| if (!Files.readString(pomXml.toPath()).equals(Files.readString(targetPomFile.toPath()))) { | ||
| throw new IllegalStateException(targetPomFile.getAbsolutePath() + " is not equal to " + pomXml.getAbsolutePath() + ", run `mvn process-classes` first"); | ||
| } | ||
| File[] probablySubmodules = topProjectDir.listFiles(File::isDirectory); | ||
| if (probablySubmodules != null) { | ||
| for (File probablySubmodule : probablySubmodules) { | ||
| checkPomChanges(probablySubmodule); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private static void searchForClassPathFiles(File topProjectDir, Map<String, List<String>> results) throws IOException { | ||
| File pomXml = new File(topProjectDir, "pom.xml"); | ||
| if (pomXml.exists()) { | ||
| File targetDir = new File(topProjectDir, "target"); | ||
| File[] classPathFiles = targetDir.listFiles(pathname -> pathname.getName().startsWith("classpath_") && pathname.getName().endsWith(".txt")); | ||
| if (classPathFiles != null) { | ||
| if (classPathFiles.length > 1) { | ||
| throw new IllegalStateException("Found more than one classpath file in dir " + targetDir.getAbsolutePath()); | ||
| } | ||
| if (classPathFiles.length == 1) { | ||
| File classPathFile = classPathFiles[0]; | ||
| List<String> classPath = new ArrayList<>(Arrays.asList(Files.readString(classPathFile.toPath()).split(System.getProperty("path.separator")))); | ||
| // maven-dependency-plugin build-classpath does not include module classes, let's include them now | ||
| classPath.add(0, new File(targetDir, "classes").getAbsolutePath()); | ||
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| String artifactId = classPathFile.getName().replaceAll("^classpath_", "").replaceAll(".txt$", ""); | ||
| if (results.containsKey(artifactId)) { | ||
| throw new IllegalStateException("Duplicate artifact id: " + artifactId); | ||
| } | ||
| results.put(artifactId, classPath); | ||
| } | ||
| } | ||
| File[] probablySubmodules = topProjectDir.listFiles(File::isDirectory); | ||
| if (probablySubmodules != null) { | ||
| for (File probablySubmodule : probablySubmodules) { | ||
| searchForClassPathFiles(probablySubmodule, results); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private static File findTopProjectDir() throws IOException { | ||
| File topProjectDir = new File(".").getCanonicalFile(); | ||
| do { | ||
| if (new File(topProjectDir, ".top.project.dir").exists()) { | ||
| return topProjectDir; | ||
| } | ||
| topProjectDir = topProjectDir.getParentFile(); | ||
| } while (topProjectDir != null); | ||
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| throw new IllegalStateException("Cannot find marker file .top.project.dir starting from " + new File(".").getAbsolutePath()); | ||
| } | ||
|
|
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| } |
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