Examples with Reference javax.naming.Reference used on opensource projects

Example 16 with Reference

use of javax.naming.Reference in project voltdb by VoltDB.

the class JDBCDataSourceFactory method getObjectInstance.

/**
     * Creates a JDBCDataSource object using the location or reference
     * information specified.<p>
     *
     * The Reference object should support the properties, database, user,
     * password.
     *
     * @param obj The reference information used in creating a
     *      JDBCDatasource object.
     * @param name ignored
     * @param nameCtx ignored
     * @param environment ignored
     * @return A newly created JDBCDataSource object; null if an object
     *      cannot be created.
     * @exception Exception never
     */
public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable environment) throws Exception {
    String dsClass = "org.hsqldb_voltpatches.jdbc.JDBCDataSource";
    Reference ref = (Reference) obj;
    if (ref.getClassName().equals(dsClass)) {
        JDBCDataSource ds = new JDBCDataSource();
        ds.setDatabase((String) ref.get("database").getContent());
        ds.setUser((String) ref.get("user").getContent());
        ds.setPassword((String) ref.get("password").getContent());
        return ds;
    } else {
        return null;
    }
}

Example 17 with Reference

use of javax.naming.Reference in project aries by apache.

the class ObjectFactoryHelper method getObjectInstance.

public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable<?, ?> environment) throws Exception {
    // Step 1 ensure we have a reference rather than a referenceable
    if (obj instanceof Referenceable) {
        obj = ((Referenceable) obj).getReference();
    }
    if (logger.isLoggable(Level.FINE))
        logger.log(Level.FINE, "obj = " + obj);
    Object result = obj;
    // Step 2 - if we have a reference process it as a reference
    if (obj instanceof Reference) {
        Reference ref = (Reference) obj;
        String className = ref.getFactoryClassName();
        if (className != null) {
            // Step 3 - use the class name in the reference to get the factory class name
            result = getObjectInstanceUsingClassName(obj, className, obj, name, nameCtx, environment);
        } else {
            // Step 4 - look, assuming url string ref addrs, for a url context object factory.
            result = getObjectInstanceUsingRefAddress(ref.getAll(), obj, name, nameCtx, environment);
        }
    }
    if (logger.isLoggable(Level.FINE))
        logger.log(Level.FINE, "Step 4: result = " + result);
    // Step 5 - if we still don't have a resolved object goto the object factory builds in the SR.
    if (result == null || result == obj) {
        result = getObjectInstanceUsingObjectFactoryBuilders(obj, name, nameCtx, environment);
    }
    if (logger.isLoggable(Level.FINE))
        logger.log(Level.FINE, "Step 5: result = " + result);
    // Step 6 - Attempt to use all the registered ObjectFactories in the SR.
    if (result == null || result == obj) {
        if ((obj instanceof Reference && ((Reference) obj).getFactoryClassName() == null) || !(obj instanceof Reference)) {
            result = getObjectInstanceUsingObjectFactories(obj, name, nameCtx, environment);
        }
    }
    if (logger.isLoggable(Level.FINE))
        logger.log(Level.FINE, "Step 6: result = " + result);
    // to https://www.osgi.org/bugzilla/show_bug.cgi?id=138 
    if (result == null || result == obj) {
        result = getObjectInstanceViaContextDotObjectFactories(obj, name, nameCtx, environment);
    }
    if (logger.isLoggable(Level.FINE))
        logger.log(Level.FINE, "Step 7: result = " + result);
    return (result == null) ? obj : result;
}

Example 18 with Reference

use of javax.naming.Reference in project camel by apache.

the class JndiContext method lookup.

public Object lookup(String name) throws NamingException {
    if (name.length() == 0) {
        return this;
    }
    Object result = treeBindings.get(name);
    if (result == null) {
        result = bindings.get(name);
    }
    if (result == null) {
        int pos = name.indexOf(':');
        if (pos > 0) {
            String scheme = name.substring(0, pos);
            Context ctx = NamingManager.getURLContext(scheme, environment);
            if (ctx == null) {
                throw new NamingException("scheme " + scheme + " not recognized");
            }
            return ctx.lookup(name);
        } else {
            // Split out the first name of the path
            // and look for it in the bindings map.
            CompositeName path = new CompositeName(name);
            if (path.size() == 0) {
                return this;
            } else {
                String first = path.get(0);
                Object value = bindings.get(first);
                if (value == null) {
                    throw new NameNotFoundException(name);
                } else if (value instanceof Context && path.size() > 1) {
                    Context subContext = (Context) value;
                    value = subContext.lookup(path.getSuffix(1));
                }
                return value;
            }
        }
    }
    if (result instanceof Provider) {
        Provider provider = (Provider) result;
        result = provider.get();
    }
    if (result instanceof LinkRef) {
        LinkRef ref = (LinkRef) result;
        result = lookup(ref.getLinkName());
    }
    if (result instanceof Reference) {
        try {
            result = NamingManager.getObjectInstance(result, null, null, this.environment);
        } catch (NamingException e) {
            throw e;
        } catch (Exception e) {
            throw (NamingException) new NamingException("could not look up : " + name).initCause(e);
        }
    }
    if (result instanceof JndiContext) {
        String prefix = getNameInNamespace();
        if (prefix.length() > 0) {
            prefix = prefix + SEPARATOR;
        }
        result = new JndiContext((JndiContext) result, environment, prefix + name);
    }
    return result;
}

Example 19 with Reference

use of javax.naming.Reference in project camel by apache.

the class JndiContext method lookup.

public Object lookup(String name) throws NamingException {
    if (name.length() == 0) {
        return this;
    }
    Object result = treeBindings.get(name);
    if (result == null) {
        result = bindings.get(name);
    }
    if (result == null) {
        int pos = name.indexOf(':');
        if (pos > 0) {
            String scheme = name.substring(0, pos);
            Context ctx = NamingManager.getURLContext(scheme, environment);
            if (ctx == null) {
                throw new NamingException("scheme " + scheme + " not recognized");
            }
            return ctx.lookup(name);
        } else {
            // Split out the first name of the path
            // and look for it in the bindings map.
            CompositeName path = new CompositeName(name);
            if (path.size() == 0) {
                return this;
            } else {
                String first = path.get(0);
                Object value = bindings.get(first);
                if (value == null) {
                    throw new NameNotFoundException(name);
                } else if (value instanceof Context && path.size() > 1) {
                    Context subContext = (Context) value;
                    value = subContext.lookup(path.getSuffix(1));
                }
                return value;
            }
        }
    }
    if (result instanceof LinkRef) {
        LinkRef ref = (LinkRef) result;
        result = lookup(ref.getLinkName());
    }
    if (result instanceof Reference) {
        try {
            result = NamingManager.getObjectInstance(result, null, null, this.environment);
        } catch (NamingException e) {
            throw e;
        } catch (Exception e) {
            throw (NamingException) new NamingException("could not look up : " + name).initCause(e);
        }
    }
    if (result instanceof JndiContext) {
        String prefix = getNameInNamespace();
        if (prefix.length() > 0) {
            prefix = prefix + SEPARATOR;
        }
        result = new JndiContext((JndiContext) result, environment, prefix + name);
    }
    return result;
}

Example 20 with Reference

use of javax.naming.Reference in project datanucleus-rdbms by datanucleus.

the class InstanceKeyDataSourceFactory method getObjectInstance.

/**
 * implements ObjectFactory to create an instance of SharedPoolDataSource
 * or PerUserPoolDataSource
 */
@Override
public Object getObjectInstance(Object refObj, Name name, Context context, Hashtable<?, ?> env) throws IOException, ClassNotFoundException {
    // The spec says to return null if we can't create an instance
    // of the reference
    Object obj = null;
    if (refObj instanceof Reference) {
        Reference ref = (Reference) refObj;
        if (isCorrectClass(ref.getClassName())) {
            RefAddr ra = ref.get("instanceKey");
            if (ra != null && ra.getContent() != null) {
                // object was bound to jndi via Referenceable api.
                obj = instanceMap.get(ra.getContent());
            } else {
                // tomcat jndi creates a Reference out of server.xml
                // <ResourceParam> configuration and passes it to an
                // instance of the factory given in server.xml.
                String key = null;
                if (name != null) {
                    key = name.toString();
                    obj = instanceMap.get(key);
                }
                if (obj == null) {
                    InstanceKeyDataSource ds = getNewInstance(ref);
                    setCommonProperties(ref, ds);
                    obj = ds;
                    if (key != null) {
                        instanceMap.put(key, ds);
                    }
                }
            }
        }
    }
    return obj;
}