portal-BE/src/main/java/org/onap/portal/service/ManifestService.java

   1 package org.onap.portal.service;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.util.jar.Attributes;
   6 import java.util.jar.Manifest;
   7 import javax.servlet.ServletContext;
   8 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
   9 import org.springframework.beans.factory.annotation.Autowired;
  10 import org.springframework.context.annotation.EnableAspectJAutoProxy;
  11 import org.springframework.stereotype.Service;
  12
  13 @Service
  14 @EnableAspectJAutoProxy
  15 public class ManifestService {
  16
  17     @Autowired
  18     ServletContext context;
  19
  20     public Attributes getWebappManifest() throws IOException {
  21         EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(ManifestService.class);
  22         // Path to resource on classpath
  23         final String MANIFEST_RESOURCE_PATH = "/META-INF/MANIFEST.MF";
  24         // Manifest is formatted as Java-style properties
  25         try {
  26             InputStream inputStream = context.getResourceAsStream(MANIFEST_RESOURCE_PATH);
  27             Manifest manifest = new Manifest(inputStream);
  28             inputStream.close();
  29             return manifest.getMainAttributes();
  30         } catch (IOException e) {
  31             logger.error(EELFLoggerDelegate.errorLogger, "getWebappManifest: failed to read/find manifest");
  32             throw e;
  33         }
  34     }
  35 }