mirror of
git://gcc.gnu.org/git/gcc.git
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334 lines
8.1 KiB
Java
334 lines
8.1 KiB
Java
/* Copyright (C) 2000 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package javax.naming;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import java.util.Enumeration;
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import java.util.Hashtable;
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import java.util.Properties;
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import java.applet.Applet;
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import java.util.Hashtable;
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import javax.naming.spi.NamingManager;
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public class InitialContext implements Context
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{
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protected Context defaultInitCtx;
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protected boolean gotDefault = false;
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protected Hashtable myProps;
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InitialContext (Hashtable environment)
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{
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init (environment);
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}
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protected InitialContext (boolean lazy)
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{
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if (! lazy)
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init (null);
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}
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InitialContext ()
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{
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init (null);
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}
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protected void init (Hashtable environment)
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{
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// FIXME: Is this enough?
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final String[] properties = {
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Context.DNS_URL,
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Context.INITIAL_CONTEXT_FACTORY,
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Context.OBJECT_FACTORIES,
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Context.PROVIDER_URL,
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Context.STATE_FACTORIES,
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Context.URL_PKG_PREFIXES,
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};
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// Create myProps, cloning environment if needed.
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if (environment != null)
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myProps = (Hashtable) environment.clone ();
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else
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myProps = new Hashtable ();
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Applet napplet = (Applet) myProps.get (Context.APPLET);
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for (int i = properties.length - 1; i >= 0; i--)
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{
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Object o = myProps.get (properties[i]);
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if (o == null)
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{
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if (napplet != null)
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o = napplet.getParameter (properties[i]);
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if (o == null)
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o = System.getProperty (properties[i]);
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if (o != null)
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myProps.put (properties[i], o);
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}
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}
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try
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{
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Enumeration ep = Thread.currentThread().getContextClassLoader().getResources("jndi.naming");
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while (ep.hasMoreElements ())
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{
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URL url = (URL) ep.nextElement ();
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Properties p = new Properties ();
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try {
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InputStream is = url.openStream ();
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p.load (is);
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is.close ();
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} catch (IOException e) {}
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merge (myProps, p);
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}
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}
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catch (IOException e) {}
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String home = System.getProperty("java.home");
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if (home != null)
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{
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String fileName = home + File.separator
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+ "lib" + File.separator + "jndi.properties";
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Properties p = new Properties ();
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try {
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InputStream is = new FileInputStream (fileName);
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p.load (is);
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is.close ();
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} catch (IOException e) {}
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merge (myProps, p);
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}
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}
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// FIXME: Is this enough?
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private static final String[] colon_list =
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{
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Context.OBJECT_FACTORIS,
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Context.URL_PKG_PREFIXES,
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Context.STATE_FACTORIES
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};
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private static void merge (Hashtable h1, Hashtable h2)
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{
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Enumeration e2 = h2.keys();
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while (e2.hasMoreElements())
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{
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String key2 = (String) e2.nextElement();
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Object value1 = h1.get(key2);
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if (value1 == null)
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h1.put(key2, h2.get(key2));
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else if (key2.compareTo(colon_list[0]) == 0
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|| key2.compareTo(colon_list[1]) == 0
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|| key2.compareTo(colon_list[2]) == 0
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|| key2.compareTo(colon_list[3]) == 0)
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{
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String value2 = (String) h2.get(key2);
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h1.put(key2, (String) value1 + ":" + value2);
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}
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}
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}
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protected Context getDefaultInitCtx () throws NamingException
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{
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if (! gotDefault)
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{
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defaultInitCtx = NamingManager.getInitialContext (myProps);
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gotDefault = true;
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}
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return defaultInitCtx;
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}
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protected Context getURLOrDefaultInitCtx (Name name)
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throws NamingException
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{
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if (name.size () > 0)
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return getURLOrDefaultInitCtx (name.get (0));
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else
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return getDefaultInitCtx ();
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}
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protected Context getURLOrDefaultInitCtx (String name)
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throws NamingException
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{
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String scheme = null;
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if (NamingManager.hasInitialContextFactoryBuilder())
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return getDefaultInitCtx();
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int colon = name.indexOf(':');
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int slash = name.indexOf('/');
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if (colon > 0 && (slash == -1 || colon < slash))
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scheme = name.substring(0, colon);
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if (scheme != null)
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{
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Context context =
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NamingManager.getURLContext(scheme, myProps);
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if (context != null)
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return context;
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}
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return getDefaultInitCtx();
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}
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public void bind (Name name, Object obj) throws NamingException
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{
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getURLOrDefaultInitCtx (name).bind (name, obj);
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}
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public void bind (String name, Object obj) throws NamingException
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{
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getURLOrDefaultInitCtx (name).bind (name, obj);
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}
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public Object lookup (Name name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).lookup (name);
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}
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public Object lookup (String name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).lookup (name);
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}
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public void rebind (Name name, Object obj) throws NamingException
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{
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getURLOrDefaultInitCtx (name).rebind (name, obj);
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}
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public void rebind (String name, Object obj) throws NamingException
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{
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getURLOrDefaultInitCtx (name).rebind (name, obj);
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}
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public void unbind (Name name) throws NamingException
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{
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getURLOrDefaultInitCtx (name).unbind (name);
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}
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public void unbind (String name) throws NamingException
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{
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getURLOrDefaultInitCtx (name).unbind (name);
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}
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public void rename (Name oldName, Name newName) throws NamingException
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{
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getURLOrDefaultInitCtx (oldName).rename (oldName, newName);
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}
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public void rename (String oldName, String newName) throws NamingException
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{
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getURLOrDefaultInitCtx (oldName).rename (oldName, newName);
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}
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public NamingEnumeration list (Name name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).list (name);
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}
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public NamingEnumeration list (String name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).list (name);
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}
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public NamingEnumeration listBindings (Name name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).listBindings (name);
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}
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public NamingEnumeration listBindings (String name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).listBindings (name);
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}
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public void destroySubcontext (Name name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).destroySubcontext (name);
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}
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public void destroySubcontext (String name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).destroySubcontext (name);
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}
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public Context createSubcontext (Name name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).createSubcontext (name);
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}
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public Context createSubcontext (String name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).createSubcontext (name);
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}
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public Object lookupLink (Name name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).lookupLink (name);
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}
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public Object lookupLink (String name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).lookupLink (name);
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}
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public NameParser getNameParser (Name name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).getNameParser (name);
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}
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public NameParser getNameParser (String name) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).getNameParser (name);
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}
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public Name composeName (Name name, Name prefix) throws NamingException
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{
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return getURLOrDefaultInitCtx (name).composeName (name, prefix);
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}
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public String composeName (String name,
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String prefix) throws NamingException;
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{
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return getURLOrDefaultInitCtx (name).composeName (name, prefix);
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}
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public Object addToEnvironment (String propName,
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Object propVal) throws NamingException;
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{
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myProps.add (propName, propVal);
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}
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public Object removeFromEnvironment (String propName) throws NamingException
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{
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myProps.remove (propName);
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}
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public Hashtable getEnvironment () throws NamingException
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{
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return myProps;
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}
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public void close () throws NamingException
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{
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throw new OperationNotSupportedException ();
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}
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public String getNameInNamespace () throws NamingException
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{
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throw new OperationNotSupportedException ();
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}
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}
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