Examples of javax.naming.Binding

javax.naming.Binding
This class represents a name-to-object binding found in a context.
A context consists of name-to-object bindings. The Binding class represents such a binding. It consists of a name and an object. The Context.listBindings() method returns an enumeration of Binding.
Use subclassing for naming systems that generate contents of a binding dynamically.
A Binding instance is not synchronized against concurrent access by multiple threads. Threads that need to access a Binding concurrently should synchronize amongst themselves and provide the necessary locking. @author Rosanna Lee @author Scott Seligman @since 1.3

        if (dirContext == null) return false;
        // Find the Manifest for the Web Applicaiton
        InputStream inputStream = null;
        try {
            NamingEnumeration wne = dirContext.listBindings("/META-INF/");
            Binding binding = (Binding) wne.nextElement();
            if (binding.getName().toUpperCase().equals("MANIFEST.MF")) {
                Resource resource = (Resource)dirContext.lookup
                                    ("/META-INF/" + binding.getName());
                inputStream = resource.streamContent();
                Manifest manifest = new Manifest(inputStream);
                inputStream.close();
                inputStream = null;
                ManifestResource mre = new ManifestResource
                    (sm.getString("extensionValidator.web-application-manifest"),
                    manifest, ManifestResource.WAR);
                appManifestResources.add(mre);
            } 
        } catch (NamingException nex) {
            // Application does not contain a MANIFEST.MF file
        } catch (NoSuchElementException nse) {
            // Application does not contain a MANIFEST.MF file
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (Throwable t) {
                    // Ignore
                }
            }
        }


        // Locate the Manifests for all bundled JARs
        NamingEnumeration ne = null;
        try {
            if (dirContext != null) {
                ne = dirContext.listBindings("WEB-INF/lib/");
            }
            while ((ne != null) && ne.hasMoreElements()) {
                Binding binding = (Binding)ne.nextElement();
                if (!binding.getName().toLowerCase().endsWith(".jar")) {
                    continue;
                }
                Resource resource = (Resource)dirContext.lookup
                                        ("/WEB-INF/lib/" + binding.getName());
                Manifest jmanifest = getManifest(resource.streamContent());
                if (jmanifest != null) {
                    ManifestResource mre = new ManifestResource(
                                                binding.getName(),
                                                jmanifest, 
                                                ManifestResource.APPLICATION);
                    appManifestResources.add(mre);
                }
            }

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            // Looking up directory /WEB-INF/lib in the context
            try {
                NamingEnumeration enumeration = resources.listBindings(libPath);
                while (enumeration.hasMoreElements()) {


                    Binding binding = (Binding) enumeration.nextElement();
                    String filename = libPath + "/" + binding.getName();
                    if (!filename.endsWith(".jar"))
                        continue;


                    // Copy JAR in the work directory, always (the JAR file
                    // would get locked otherwise, which would make it
                    // impossible to update it or remove it at runtime)
                    File destFile = new File(destDir, binding.getName());


                    if( log.isDebugEnabled())
                    log.debug(sm.getString("webappLoader.jarDeploy", filename,
                                     destFile.getAbsolutePath()));


                    Resource jarResource = (Resource) binding.getObject();
                    if (copyJars) {
                        if (!copy(jarResource.streamContent(),
                                  new FileOutputStream(destFile)))
                            continue;
                    }

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    }


    public static void contextToMap(Context context, String baseName, Map<String,Object> results) throws NamingException {
        NamingEnumeration<Binding> namingEnumeration = context.listBindings("");
        while (namingEnumeration.hasMoreElements()) {
            Binding binding = namingEnumeration.nextElement();
            String name = binding.getName();
            String fullName = baseName + name;
            Object object = binding.getObject();
            results.put(fullName, object);
            if (object instanceof Context) {
                contextToMap((Context) object, fullName + "/", results);
            }
        }

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            return nextElement();
        }


        public Object nextElement() {
            Map.Entry entry = getNext();
            return new Binding((String)entry.getKey(), entry.getValue());
        }

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        if (dirContext == null) return false;
        // Find the Manifest for the Web Applicaiton
        InputStream inputStream = null;
        try {
            NamingEnumeration wne = dirContext.listBindings("/META-INF/");
            Binding binding = (Binding) wne.nextElement();
            if (binding.getName().toUpperCase().equals("MANIFEST.MF")) {
                Resource resource = (Resource)dirContext.lookup
                                    ("/META-INF/" + binding.getName());
                inputStream = resource.streamContent();
                Manifest manifest = new Manifest(inputStream);
                inputStream.close();
                inputStream = null;
                ManifestResource mre = new ManifestResource
                    (sm.getString("extensionValidator.web-application-manifest"),
                    manifest, ManifestResource.WAR);
                appManifestResources.add(mre);
            } 
        } catch (NamingException nex) {
            // Application does not contain a MANIFEST.MF file
        } catch (NoSuchElementException nse) {
            // Application does not contain a MANIFEST.MF file
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (Throwable t) {
                    // Ignore
                }
            }
        }


        // Locate the Manifests for all bundled JARs
        NamingEnumeration ne = null;
        try {
            if (dirContext != null) {
                ne = dirContext.listBindings("WEB-INF/lib/");
            }
            while ((ne != null) && ne.hasMoreElements()) {
                Binding binding = (Binding)ne.nextElement();
                if (!binding.getName().toLowerCase().endsWith(".jar")) {
                    continue;
                }
                Object obj =
                    dirContext.lookup("/WEB-INF/lib/" + binding.getName());
                if (!(obj instanceof Resource)) {
                    // Probably a directory named xxx.jar - ignore it
                    continue;
                }
                Resource resource = (Resource) obj;
                Manifest jmanifest = getManifest(resource.streamContent());
                if (jmanifest != null) {
                    ManifestResource mre = new ManifestResource(
                                                binding.getName(),
                                                jmanifest, 
                                                ManifestResource.APPLICATION);
                    appManifestResources.add(mre);
                }
            }

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                namingEnumeration = containerSystem.getJNDIContext().listBindings("java:openejb/resourceAdapter");
            } catch (NamingException ignored) {
                // no resource adapters were created
            }
            while (namingEnumeration != null && namingEnumeration.hasMoreElements()) {
                Binding binding = namingEnumeration.nextElement();
                Object object = binding.getObject();
                ResourceAdapter resourceAdapter = (ResourceAdapter) object;
                try {
                    resourceAdapter.stop();
                } catch (Exception e) {
                    logger.fatal("ResourceAdapter Shutdown Failed: "+binding.getName(), e);
                }
            }
        } catch (Throwable e) {
            logger.fatal("Unable to get ResourceAdapters from JNDI.  Stop must be called on them for proper vm shutdown.", e);
        }

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            namingEnumeration = containerSystem.getJNDIContext().listBindings("java:openejb/Resource");
        } catch (NamingException ignored) {
            // no resource adapters were created
        }
        while (namingEnumeration != null && namingEnumeration.hasMoreElements()) {
            Binding binding = namingEnumeration.nextElement();
            Object object = binding.getObject();
            if (object instanceof ResourceAdapter) {
                ResourceAdapter resourceAdapter = (ResourceAdapter) object;
                try {
                    logger.info("Stopping ResourceAdapter: " + binding.getName());
                    resourceAdapter.stop();
                } catch (Exception e) {
                    logger.fatal("ResourceAdapter Shutdown Failed: " + binding.getName(), e);
                }
            }
        }


        SystemInstance.get().removeComponent(OpenEjbConfiguration.class);

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        (Set set, DirContext resources, String path)
        throws NamingException {


        Enumeration childPaths = resources.listBindings(path);
        while (childPaths.hasMoreElements()) {
            Binding binding = (Binding) childPaths.nextElement();
            String name = binding.getName();
            StringBuffer childPath = new StringBuffer(path);
            if (!"/".equals(path) && !path.endsWith("/"))
                childPath.append("/");
            childPath.append(name);
            Object object = binding.getObject();
            if (object instanceof DirContext) {
                childPath.append("/");
            }
            set.add(childPath.toString());
        }

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        } catch (NamingException e) {
            return root;
        }


        while (ne.hasMoreElements()) {
            final Binding current;
            try {
                current = ne.next();
            } catch (NamingException nnfe) {
                continue;
            }


            final String name = current.getName();
            final String fullName = path.concat("/").concat(name);
            final Object obj = current.getObject();


            if (obj != null && obj instanceof Context) {
                runOnJndiTree(context, JndiHelperImpl.createTreeNode(JndiHelperImpl.CONTEXT_NODE_TYPE, name, root), fullName);
            } else {
                JndiHelperImpl.createTreeNode(JndiHelperImpl.LEAF_NODE_TYPE, fullName, root);

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            namingEnumeration = containerSystem.getJNDIContext().listBindings("openejb/Resource");
        } catch (NamingException ignored) {
            // no resource adapters were created
        }
        while (namingEnumeration != null && namingEnumeration.hasMoreElements()) {
            Binding binding = namingEnumeration.nextElement();
            Object object = binding.getObject();
            if (object instanceof ResourceAdapter) {
                ResourceAdapter resourceAdapter = (ResourceAdapter) object;
                try {
                    logger.info("Stopping ResourceAdapter: " + binding.getName());


                    if (logger.isDebugEnabled()) {
                        logger.debug("Stopping ResourceAdapter: " + binding.getClassName());
                    }


                    resourceAdapter.stop();
                } catch (Throwable t) {
                    logger.fatal("ResourceAdapter Shutdown Failed: " + binding.getName(), t);
                }
            } else if (object instanceof org.apache.commons.dbcp.BasicDataSource) {
                logger.info("Closing DataSource: " + binding.getName());


                try {
                    ((org.apache.commons.dbcp.BasicDataSource) object).close();
                } catch (Throwable t) {
                    //Ignore
                }


            } else if (logger.isDebugEnabled()) {
                logger.debug("Not processing resource on destroy: " + binding.getClassName());
            }
        }


        SystemInstance.get().removeComponent(OpenEjbConfiguration.class);
        SystemInstance.get().removeComponent(JtaEntityManagerRegistry.class);

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