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create zip of all dependencies

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damage 2024-12-23 00:20:44 +01:00
parent 0f11dfcacc
commit 5aa10f234f
2 changed files with 39 additions and 2 deletions
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38
src/main/java/de/devloop/mavor/servlet/Download.java
View File

@ -2,12 +2,17 @@ package de.devloop.mavor.servlet;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.stream.Collectors;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import de.devloop.mavor.AuthenticatedServlet;
import jakarta.servlet.RequestDispatcher;
@ -26,12 +31,13 @@ public class Download extends AuthenticatedServlet {
private static final String PARAMETER_POM = "pom";
private static final String PARAMETER_TYPE = "type";
// TODO: set as property
private static final String MAVEN_CMD = "/usr/bin/mvn";
private static final String TEMP_DIR = "/home/damage/Temp/mavor";
@Override
protected void doAuthenticatedGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// implement a lot of checks:
// TODO: implement a lot of checks:
// NPE, required parameters not given
String type = req.getParameter(PARAMETER_TYPE);
@ -58,6 +64,9 @@ public class Download extends AuthenticatedServlet {
req.setAttribute("stderr", executionResult.stderr);
req.setAttribute("exitcode", executionResult.exitCode);
String zipFilename = zipDependencies();
req.setAttribute("zipFilename", zipFilename);
RequestDispatcher view = req.getRequestDispatcher("/download.jsp");
view.forward(req, resp);
}
@ -93,6 +102,33 @@ public class Download extends AuthenticatedServlet {
fileWriter.close();
}
private String zipDependencies() throws IOException {
File tempDir = new File(TEMP_DIR);
File zipFile = File.createTempFile("mavor_", ".zip", tempDir);
ZipOutputStream zipStream = new ZipOutputStream(new FileOutputStream(zipFile));
// TODO: this goes BOOM on parallel use
File[] jarFiles = tempDir.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return dir.getAbsolutePath().equals(TEMP_DIR) && name.endsWith(".jar");
}
});
for (File jarFile : jarFiles) {
FileInputStream jarFileStream = new FileInputStream(jarFile);
ZipEntry zipEntry = new ZipEntry(jarFile.getName());
zipStream.putNextEntry(zipEntry);
zipStream.write(jarFileStream.readAllBytes());
zipStream.closeEntry();
jarFileStream.close();
}
zipStream.close();
return zipFile.getAbsolutePath();
}
/**
* Reads given resource file as a string.
*

3
src/main/webapp/download.jsp
View File

@ -3,7 +3,8 @@
<html>
<body style="background-color:black; color:white">
Output:<br/>
<pre>${stdout}</pre>
<pre>${stdout}</pre><br/>
File: ${zipFilename}<br/>
<a href="/mavor/logout">logout</a> | <a href="/mavor">back</a>
</body>
</html>