3 Replies Latest reply on Dec 6, 2010 5:10 PM by lfryc

    How to get manifest from war on JBoss AS

    lfryc
    lfryc Oct 12, 2010 8:32 AM

      Hi guys,

      do anybody know how to get manifest from inside war deployed in JBoss AS (6 M5)?

      I have JSF libraries attached to project and want to detect their version:

       

       

       

      Class<?> applicationClass = facesContext.getApplication().getClass();
CodeSource codeSource = applicationClass.getProtectionDomain().getCodeSource();
URL url = codeSource.getLocation();
JarInputStream jarInputStream = new JarInputStream(url.openStream());
Manifest manifest = jarInputStream.getManifest();

       

      such code returns manifest == null.

       

      ...
URL url = codeSource.getLocation();
File file = new File(url.getFile());
jarInputStream = new JarInputStream(new FileInputStream(file));
Manifest manifest = jarInputStream.getManifest();

       

      the code above works well with application exploded to JBoss AS or Tomcat.
      However it doesn't work in zipped war due to VFS URL given.

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        • 1. Re: How to get manifest from war on JBoss AS
          jaikiran
          jaikiran Oct 12, 2010 8:44 AM (in response to lfryc)

          Would this work?

           

          Package pack = applicationClass.getPackage();
String version = null;
version = pack.getImplementationVersion();
if (version == null)
{
 version = pack.getSpecificationVersion();
}
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          • 2. Re: How to get manifest from war on JBoss AS
            nbelaevski
            nbelaevski Oct 12, 2010 9:39 AM (in response to lfryc)

            Lukas,

             

            I have the following code in VersionBean:

             

                    private Manifest readManifest() {
                        ProtectionDomain domain = VersionBean.class.getProtectionDomain();
                        if (domain != null) {
                            CodeSource codeSource = domain.getCodeSource();
                            if (codeSource != null) {
                                URL url = codeSource.getLocation();
                                if (url != null) {
                                    InputStream manifestStream = null;
                                    try {
                                        manifestStream = URLToStreamHelper.urlToStream(new URL(url, JarFile.MANIFEST_NAME));
                                        return new Manifest(manifestStream);
                                    } catch (MalformedURLException e1) {
                                        //that's ok - just log in debug
                                        if (LOGGER.isDebugEnabled()) {
                                            LOGGER.debug(e1.getMessage(), e1);
                                        }
                                    } catch (IOException e) {
                                        //that's ok - just log in debug
                                        if (LOGGER.isDebugEnabled()) {
                                            LOGGER.debug(e.getMessage(), e);
                                        }
                                    } finally {
                                        if (manifestStream != null) {
                                            try {
                                                manifestStream.close();
                                            } catch (IOException e) {
                                                LOGGER.error(MessageFormat.format("Error closing stream: {0}", e.getMessage()), e);
                                            }
                                        }
                                    }
                                   
                                    JarInputStream jis = null;
                                    try {
                                        URLConnection urlConnection = url.openConnection();
                                        urlConnection.setUseCaches(false);
                                        if (urlConnection instanceof JarURLConnection) {
                                            JarURLConnection jarUrlConnection = (JarURLConnection) urlConnection;
                                            return jarUrlConnection.getManifest();
                                        } else {
                                            jis = new JarInputStream(urlConnection.getInputStream());
                                            return jis.getManifest();
                                        }
                                    } catch (IOException e) {
                                        LOGGER.error(MessageFormat.format("Error reading META-INF/MANIFEST.MF file: {0}", e.getMessage()), e);
                                    } finally {
                                        if (jis != null) {
                                            try {
                                                jis.close();
                                            } catch (IOException e) {
                                                LOGGER.error(MessageFormat.format("Error closing stream: {0}", e.getMessage()), e);
                                            }
                                        }
                                    }
                                }
                            }
                        }
                       
                        return null;
                    }
                    private Manifest readManifest() {
            ProtectionDomain domain = VersionBean.class.getProtectionDomain();
            if (domain != null) {
                CodeSource codeSource = domain.getCodeSource();
                if (codeSource != null) {
                    URL url = codeSource.getLocation();
                    if (url != null) {
                        InputStream manifestStream = null;
                        try {
                            manifestStream = URLToStreamHelper.urlToStream(new URL(url, JarFile.MANIFEST_NAME));
                            return new Manifest(manifestStream);
                        } catch (MalformedURLException e1) {
                            //that's ok - just log in debug
                            if (LOGGER.isDebugEnabled()) {
                                LOGGER.debug(e1.getMessage(), e1);
                            }
                        } catch (IOException e) {
                            //that's ok - just log in debug
                            if (LOGGER.isDebugEnabled()) {
                                LOGGER.debug(e.getMessage(), e);
                            }
                        } finally {
                            if (manifestStream != null) {
                                try {
                                    manifestStream.close();
                                } catch (IOException e) {
                                    LOGGER.error(MessageFormat.format("Error closing stream: {0}", e.getMessage()), e);
                                }
                            }
                        }

                        JarInputStream jis = null;
                        try {
                            URLConnection urlConnection = url.openConnection();
                            urlConnection.setUseCaches(false);

                            if (urlConnection instanceof JarURLConnection) {
                                JarURLConnection jarUrlConnection = (JarURLConnection) urlConnection;
                                return jarUrlConnection.getManifest();
                            } else {
                                jis = new JarInputStream(urlConnection.getInputStream());
                                return jis.getManifest();
                            }
                        } catch (IOException e) {
                            LOGGER.error(MessageFormat.format("Error reading META-INF/MANIFEST.MF file: {0}", e.getMessage()), e);
                        } finally {
                            if (jis != null) {
                                try {
                                    jis.close();
                                } catch (IOException e) {
                                    LOGGER.error(MessageFormat.format("Error closing stream: {0}", e.getMessage()), e);
                                }
                            }
                        }
                    }
                }
            }

            return null;
        }

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            • 3. Re: How to get manifest from war on JBoss AS
              lfryc
              lfryc Dec 6, 2010 5:10 PM (in response to jaikiran)

              Yes, it works in my case [1], thanks.

               

              I didn't try Nick's solution.

               

              [1] https://svn.jboss.org/repos/richfaces/modules/tests/metamer/trunk/application/src/main/java/org/richfaces/tests/metamer/bean/VersionBean.java

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