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Diffstat (limited to 'java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/util/EJBLocator.java')
| -rw-r--r-- | java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/util/EJBLocator.java | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/util/EJBLocator.java b/java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/util/EJBLocator.java deleted file mode 100644 index 0b97f42746..0000000000 --- a/java/sca/modules/binding-ejb-runtime/src/main/java/org/apache/tuscany/sca/binding/ejb/util/EJBLocator.java +++ /dev/null @@ -1,483 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.binding.ejb.util; - -import java.net.URL; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.Arrays; -import java.util.HashSet; -import java.util.Properties; -import java.util.Set; - -import javax.naming.Context; -import javax.naming.InitialContext; -import javax.naming.NamingException; - -import org.omg.CORBA.ORB; -import org.omg.CosNaming.NamingContextExt; - -/** - * CosNaming utility - * - * @version $Rev$ $Date$ - */ -class EJBLocator { - - /* - * Root Context Initial Reference Key ------------ - * ----------------------------------- Server Root NameServiceServerRoot - * Cell Persistent Root NameServiceCellPersistentRoot Cell Root - * NameServiceCellRoot, NameService Node Root NameServiceNodeRoot - */ - public static final String SERVER_ROOT = "NameServiceServerRoot"; - public static final String CELL_PERSISTENT_ROOT = "NameServiceCellPersistentRoot"; - public static final String CELL_ROOT = "NameServiceCellRoot"; - public static final String NODE_ROOT = "NameServiceNodeRoot"; - public static final String DEFAULT_ROOT = "NameService"; // Same as - // CELL_ROOT - - public static final String DEFAULT_HOST = "127.0.0.1"; // Default host name - // or IP address for - // WebSphere - public static final int DEFAULT_NAMING_PORT = 2809; // Default port - public static final String NAMING_SERVICE = "NameService"; // The name of - // the naming - // service - private static final Set<String> ROOTS = - new HashSet<String>(Arrays.asList(new String[] {SERVER_ROOT, CELL_PERSISTENT_ROOT, CELL_ROOT, DEFAULT_ROOT, - NODE_ROOT})); - - // private static final String CHARS_TO_ESCAPE = "\\/."; - private static final String RFC2396 = - "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789;/:?@&=+$,-_.!~*'()"; - private static final String HEX = "0123456789ABCDEF"; - - private String hostName = DEFAULT_HOST; - private int port = DEFAULT_NAMING_PORT; - private String root = SERVER_ROOT; - - private ORB orb = null; - private ObjectLocator locator = null; - private boolean managed = true; - - EJBLocator(boolean managed) { - this.managed = managed; - if (!managed) { - String url = AccessController.doPrivileged(new PrivilegedAction<String>() { - public String run() { - return System.getProperty(Context.PROVIDER_URL); - } - }); - processCorbaURL(url); - } - } - - EJBLocator(String hostName, int port) { - this.hostName = (hostName == null) ? DEFAULT_HOST : hostName; - this.port = port > 0 ? port : DEFAULT_NAMING_PORT; - this.root = SERVER_ROOT; - } - - EJBLocator(String hostName, int port, String root) { - this(hostName, port); - if (ROOTS.contains(root)) { - this.root = root; - } else { - throw new IllegalArgumentException(root + " is not a legal root"); - } - } - - EJBLocator(String corbaName, boolean managed) { - this.managed = managed; - if (corbaName.startsWith("corbaname:iiop:")) { - processCorbaURL(corbaName); - } else { - throw new IllegalArgumentException(corbaName + " is not a legal corbaname"); - } - } - - private void processCorbaURL(String url) { - if (url != null && (url.startsWith("corbaname:iiop:") || url.startsWith("corbaloc:iiop:"))) { - /** - * corbaname:iiop:<hostName>:<port>/<root>#name corbaloc:iiop:<hostname>:<port>/<root> - * For example, - * "corbaname:iiop:localhost:2809/NameServiceServerRoot#ejb/MyEJBHome"; - * or "corbaloc:iiop:myhost:2809/NameServiceServerRoot" - */ - String[] parts = url.split("(:|/|#)"); - if (parts.length > 2 && parts[2].length() > 0) { - hostName = parts[2]; // The host name - int index = hostName.lastIndexOf('@'); // version@hostname - if (index != -1) { - hostName = hostName.substring(index + 1); - } - } - if (parts.length > 3 && parts[3].length() > 0) { - port = Integer.parseInt(parts[3]); // The port number - } - if (parts.length > 4 && parts[4].length() > 0) { - root = parts[4]; // The root of naming - } - } - } - - /** - * The corbaloc and corbaname formats enable you to provide a URL to access - * CORBA objects. Use the corbaloc format for resolving to a particular - * CORBAservice without going through a naming service. Use the corbaname - * format to resolve a stringified name from a specific naming context. - */ - - /** - * corbaname Syntax The full corbaname BNF is: <corbaname> = - * "corbaname:"<corbaloc_obj>["#"<string_name>] - * <corbaloc_obj> = <obj_addr_list> ["/"<key_string>] - * <obj_addr_list> = as defined in a corbaloc URL <key_string> = - * as defined in a corbaloc URL <string_name>= stringified Name - * empty_string Where: - * <ul> - * <li>corbaloc_obj: portion of a corbaname URL that identifies the naming - * context. The syntax is identical to its use in a corbaloc URL. - * <li>obj_addr_list: as defined in a corbaloc URL - * <li>key_string: as defined in a corbaloc URL. - * <li>string_name: a stringified Name with URL escapes as defined below. - * </ul> - * - * @param hostName The host name or IP address of the naming server - * @param port The port number of the naming service - * @param root The root of the namespace - * @param name The JNDI name - */ - private static String getCorbaname(String hostName, int port, String root, String name) { - if (name == null) { - return "corbaname:iiop:" + hostName + ":" + port + "/" + root; - } else { - return "corbaname:iiop:" + hostName + ":" + port + "/" + root + "#" + toCorbaname(name); - } - } - - String getCorbaname(String name) { - return getCorbaname(hostName, port, root, name); - } - - /** - * Connect to the ORB. - */ - - // FIXME. May need to change the IBM classes if this binding is contributed - // to Tuscany - public ORB connect() { - if (orb == null) { - Properties props = new Properties(); - /* - * This code is for IBM JVM props.put("org.omg.CORBA.ORBClass", - * "com.ibm.CORBA.iiop.ORB"); - * props.put("com.ibm.CORBA.ORBInitRef.NameService", - * getCorbaloc(NAMING_SERVICE)); - * props.put("com.ibm.CORBA.ORBInitRef.NameServiceServerRoot", - * getCorbaloc("NameServiceServerRoot")); - */ - orb = ORB.init((String[])null, props); - } - return orb; - } - - /** - * Replace substrings - * - * @param source The source string. - * @param match The string to search for within the source string. - * @param replace The replacement for any matching components. - * @return - */ - private static String replace(String source, String match, String replace) { - int index = source.indexOf(match, 0); - if (index >= 0) { - - // We have at least one match, so got to do the - // work... - - StringBuffer result = new StringBuffer(source.length() + 16); - int matchLength = match.length(); - int startIndex = 0; - - while (index >= 0) { - result.append(source.substring(startIndex, index)); - result.append(replace); - startIndex = index + matchLength; - index = source.indexOf(match, startIndex); - } - - // Grab the last piece, if any... - if (startIndex < source.length()) { - result.append(source.substring(startIndex)); - } - - return result.toString(); - - } else { - // No matches, just return the source... - return source; - } - } - - /** - * Resolved the JNDI name from the initial CosNaming context - * - * @param jndiName - * @return resolved CORBA object - * @throws NamingException - */ - private static org.omg.CORBA.Object resovleString(NamingContextExt initCtx, String jndiName) throws NamingException { - try { - String name = stringify(jndiName); - return initCtx.resolve_str(name); - } catch (Exception e) { - NamingException ne = new NamingException(e.getMessage()); - ne.setRootCause(e); - throw ne; - } - } - - /** - * Look up a CORBA object by its JNDI name - * - * @param jndiName - * @return - * @throws NamingException - */ - org.omg.CORBA.Object stringToObject(String jndiName) throws NamingException { - /* - * Using an existing ORB and invoking string_to_object with a CORBA - * object URL with multiple name server addresses to get an initial - * context CORBA object URLs can contain more than one bootstrap server - * address. Use this feature when attempting to obtain an initial - * context from a server cluster. You can specify the bootstrap server - * addresses for all servers in the cluster in the URL. The operation - * will succeed if at least one of the servers is running, eliminating a - * single point of failure. There is no guarantee of any particular - * order in which the address list will be processed. For example, the - * second bootstrap server address may be used to obtain the initial - * context even though the first bootstrap server in the list is - * available. An example of a corbaloc URL with multiple addresses - * follows. obj = - * orb.string_to_object("corbaloc::myhost1:9810,:myhost1:9811,:myhost2:9810/NameService"); - */ - String corbaName = null; - if (jndiName.startsWith("corbaloc:") || jndiName.startsWith("corbaname:")) { - // Keep the qualified URL - corbaName = jndiName; - } else { - // Create a corbaname URL - corbaName = getCorbaname(jndiName); - } - - connect(); - org.omg.CORBA.Object obj = orb.string_to_object(corbaName); - return obj; - } - - private boolean isJndiConfigured() { - if (managed) - return true; - Boolean provided = AccessController.doPrivileged(new PrivilegedAction<Boolean>() { - public Boolean run() { - String initCtxFactory = System.getProperty(Context.INITIAL_CONTEXT_FACTORY); - if (initCtxFactory == null) { - URL file = Thread.currentThread().getContextClassLoader().getResource("jndi.properties"); - if (file != null) { - return Boolean.TRUE; - } else { - return Boolean.FALSE; - } - } else { - return Boolean.TRUE; - } - } - }); - return provided.booleanValue(); - } - - /** - * The character escape rules for the stringified name portion of an - * corbaname are: US-ASCII alphanumeric characters are not escaped. - * Characters outside this range are escaped, except for the following: ; / : ? @ & = + $ , - _ . ! ~ * ' ( ) - * corbaname Escape Mechanism The percent '%' character is used as an - * escape. If a character that requires escaping is present in a name - * component it is encoded as two hexadecimal digits following a "%" - * character to represent the octet. (The first hexadecimal character - * represent the highorder nibble of the octet, the second hexadecimal - * character represents the low-order nibble.) If a '%' is not followed by - * two hex digits, the stringified name is syntactically invalid. - * @param s - * @return RFC2396-encoded stringified name - */ - static String encode2396(String s) { - if (s == null) { - return null; - } - StringBuffer encoded = new StringBuffer(s); - for (int i = 0; i < encoded.length(); i++) { - char c = encoded.charAt(i); - if (RFC2396.indexOf(c) == -1) { - encoded.setCharAt(i, '%'); - char[] ac = Integer.toHexString(c).toCharArray(); - if (ac.length == 2) { - encoded.insert(i + 1, ac); - } else if (ac.length == 1) { - encoded.insert(i + 1, '0'); - encoded.insert(i + 2, ac[0]); - } else { - throw new IllegalArgumentException("Invalid character '" + c + "' in \"" + s + "\""); - } - i += 2; // NOPMD - } - } - return encoded.toString(); - } - - /** - * Decode an RFC2396-encoded string - * - * @param s - * @return Plain string - */ - static String decode2396(String s) { - if (s == null) { - return null; - } - StringBuffer decoded = new StringBuffer(s); - for (int i = 0; i < decoded.length(); i++) { - char c = decoded.charAt(i); - if (c == '%') { - if (i + 2 >= decoded.length()) { - throw new IllegalArgumentException("Incomplete key_string escape sequence"); - } - int j; - j = HEX.indexOf(decoded.charAt(i + 1)) * 16 + HEX.indexOf(decoded.charAt(i + 2)); - decoded.setCharAt(i, (char)j); - decoded.delete(i + 1, i + 3); - } else if (RFC2396.indexOf(c) == -1) { - throw new IllegalArgumentException("Invalid key_string character '" + c + "'"); - } - } - return decoded.toString(); - } - - /** - * The backslash '\' character escapes the reserved meaning of '/', '.', and - * '\' in a stringified name. - * - * @param jndiName - * @return Escaped stringified name for CosNaming - */ - private static String stringify(String jndiName) { - // Escape . into \. since it's an INS naming delimiter - return replace(encode2396(jndiName), ".", "\\."); - } - - /** - * Escape the "." into "%5C%2E" - * - * @param jndiName - * @return corbaname treating "." as a literal - */ - private static String toCorbaname(String jndiName) { - // Escape . into %5C%2E (\.) since it's an INS naming delimiter - // For example, sca.sample.StockQuote ---> - // sca%5C%2Esample%5C%2EStockQuote/StockQuote - return replace(encode2396(jndiName), ".", "%5C%2E"); - } - - private ObjectLocator getObjectLocator() throws NamingException { - if (locator != null) { - return locator; - } - /* - * For managed env, JNDI is assumed to be configured by default For - * unmanaged environment, JNDI could have configured through - * jndi.properties file - */ - if (isJndiConfigured()) { - locator = new JndiLocator(); - } else { // this is definitely JSE env without JNDI configured. Use - // CORBA. - locator = new CosNamingLocator(); - } - return locator; - } - - public Object locate(String jndiName) throws NamingException { - - Object result = getObjectLocator().locate(jndiName); - return result; - } - - private static interface ObjectLocator { - Object locate(String name) throws NamingException; - } - - private final class JndiLocator implements ObjectLocator { - private Context context; - - private JndiLocator() throws NamingException { - /* - final Properties props = AccessController.doPrivileged(new PrivilegedAction<Properties>() { - public Properties run() { - return System.getProperties(); - } - }); - Properties properties = new Properties(); - for (Map.Entry e : props.entrySet()) { - String name = (String)e.getKey(); - if (name.startsWith("java.naming.")) { - properties.setProperty(name, (String)e.getValue()); - } - } - // System.out.println(properties); - this.context = new InitialContext(properties); - */ - this.context = new InitialContext(); - } - - public Object locate(String name) throws NamingException { - return context.lookup(name); - } - } - - private final class CosNamingLocator implements ObjectLocator { - private NamingContextExt context; - - private CosNamingLocator() { - } - - public Object locate(String name) throws NamingException { - if (context != null) { - return resovleString(context, name); - } else { - return stringToObject(name); - } - } - } - - public void setHostEnv(boolean managed) { - this.managed = managed; - } -} |