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Posted to dev@tomcat.apache.org by co...@apache.org on 2002/10/01 20:46:30 UTC
cvs commit: jakarta-tomcat-connectors/naming/src/org/apache/naming/modules/java ContextBindings.java SelectorContext.java javaURLContextFactory.java
costin 2002/10/01 11:46:30
Added: naming/src/org/apache/naming/modules/java
ContextBindings.java SelectorContext.java
javaURLContextFactory.java
Log:
The java: impl.
Mostly copied from tomcat.
Revision Changes Path
1.1 jakarta-tomcat-connectors/naming/src/org/apache/naming/modules/java/ContextBindings.java
Index: ContextBindings.java
===================================================================
/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.naming.modules.java;
import java.util.Hashtable;
import javax.naming.NamingException;
import javax.naming.Context;
import org.apache.tomcat.util.res.StringManager;
import org.apache.naming.core.*;
// this can be a nice generic util that binds per thread or CL any object.
/**
* Handles the associations :
* <ul>
* <li>Catalina context name with the NamingContext</li>
* <li>Calling thread with the NamingContext</li>
* </ul>
*
* @author Remy Maucherat
*/
public class ContextBindings {
private static org.apache.commons.logging.Log log=
org.apache.commons.logging.LogFactory.getLog( ContextBindings.class );
// -------------------------------------------------------------- Variables
/**
* Bindings name - naming context. Keyed by name.
*/
private static Hashtable contextNameBindings = new Hashtable();
/**
* Bindings thread - naming context. Keyed by thread id.
*/
private static Hashtable threadBindings = new Hashtable();
/**
* Bindings thread - name. Keyed by thread id.
*/
private static Hashtable threadNameBindings = new Hashtable();
/**
* Bindings class loader - naming context. Keyed by CL id.
*/
private static Hashtable clBindings = new Hashtable();
/**
* Bindings class loader - name. Keyed by CL id.
*/
private static Hashtable clNameBindings = new Hashtable();
/**
* The string manager for this package.
*/
protected static StringManager sm =
StringManager.getManager("org.apache.naming");
// --------------------------------------------------------- Public Methods
/**
* Binds a context name.
*
* @param name Name of the context
* @param context Associated naming context instance
*/
public static void bindContext(Object name, Context context) {
bindContext(name, context, null);
}
/**
* Binds a context name.
*
* @param name Name of the context
* @param context Associated naming context instance
* @param token Security token
*/
public static void bindContext(Object name, Context context,
Object token) {
if (ContextAccessController.checkSecurityToken(name, token))
contextNameBindings.put(name, context);
}
/**
* Unbind context name.
*
* @param name Name of the context
*/
public static void unbindContext(Object name) {
unbindContext(name, null);
}
/**
* Unbind context name.
*
* @param name Name of the context
* @param token Security token
*/
public static void unbindContext(Object name, Object token) {
if (ContextAccessController.checkSecurityToken(name, token))
contextNameBindings.remove(name);
}
/**
* Retrieve a naming context.
*
* @param name Name of the context
*/
static Context getContext(Object name) {
return (Context) contextNameBindings.get(name);
}
/**
* Binds a naming context to a thread.
*
* @param name Name of the context
*/
public static void bindThread(Object name)
throws NamingException {
bindThread(name, null);
}
/**
* Binds a naming context to a thread.
*
* @param name Name of the context
* @param token Security token
*/
public static void bindThread(Object name, Object token)
throws NamingException {
// log.info( "BIND: " + name + " " + token );
if (ContextAccessController.checkSecurityToken(name, token)) {
Context context = (Context) contextNameBindings.get(name);
if (context == null)
throw new NamingException
(sm.getString("contextBindings.unknownContext", name));
threadBindings.put(Thread.currentThread(), context);
threadNameBindings.put(Thread.currentThread(), name);
}
}
/**
* Unbinds a naming context to a thread.
*
* @param name Name of the context
*/
public static void unbindThread(Object name) {
unbindThread(name, null);
}
/**
* Unbinds a naming context to a thread.
*
* @param name Name of the context
* @param token Security token
*/
public static void unbindThread(Object name, Object token) {
if (ContextAccessController.checkSecurityToken(name, token)) {
threadBindings.remove(Thread.currentThread());
threadNameBindings.remove(Thread.currentThread());
}
}
/**
* Retrieves the naming context bound to a thread.
*/
public static Context getThread()
throws NamingException {
Context context =
(Context) threadBindings.get(Thread.currentThread());
log.info( "Context=getThread: " + context );
if (context == null)
throw new NamingException
(sm.getString("contextBindings.noContextBoundToThread"));
return context;
}
/**
* Retrieves the naming context name bound to a thread.
*/
static Object getThreadName()
throws NamingException {
Object name = threadNameBindings.get(Thread.currentThread());
if (name == null)
throw new NamingException
(sm.getString("contextBindings.noContextBoundToThread"));
return name;
}
/**
* Tests if current thread is bound to a context.
*/
public static boolean isThreadBound() {
return (threadBindings.containsKey(Thread.currentThread()));
}
/**
* Binds a naming context to a class loader.
*
* @param name Name of the context
*/
public static void bindClassLoader(Object name)
throws NamingException {
bindClassLoader(name, null);
}
/**
* Binds a naming context to a thread.
*
* @param name Name of the context
* @param token Security token
*/
public static void bindClassLoader(Object name, Object token)
throws NamingException {
bindClassLoader
(name, token, Thread.currentThread().getContextClassLoader());
}
/**
* Binds a naming context to a thread.
*
* @param name Name of the context
* @param token Security token
*/
public static void bindClassLoader(Object name, Object token,
ClassLoader classLoader)
throws NamingException {
if (ContextAccessController.checkSecurityToken(name, token)) {
Context context = (Context) contextNameBindings.get(name);
if (context == null)
throw new NamingException
(sm.getString("contextBindings.unknownContext", name));
clBindings.put(classLoader, context);
clNameBindings.put(classLoader, name);
}
}
/**
* Unbinds a naming context to a class loader.
*
* @param name Name of the context
*/
public static void unbindClassLoader(Object name) {
unbindClassLoader(name, null);
}
/**
* Unbinds a naming context to a class loader.
*
* @param name Name of the context
* @param token Security token
*/
public static void unbindClassLoader(Object name, Object token) {
unbindClassLoader(name, token,
Thread.currentThread().getContextClassLoader());
}
/**
* Unbinds a naming context to a class loader.
*
* @param name Name of the context
* @param token Security token
*/
public static void unbindClassLoader(Object name, Object token,
ClassLoader classLoader) {
if (ContextAccessController.checkSecurityToken(name, token)) {
Object n = clNameBindings.get(classLoader);
if (!(n.equals(name))) {
return;
}
clBindings.remove(classLoader);
clNameBindings.remove(classLoader);
}
}
/**
* Retrieves the naming context bound to a class loader.
*/
public static Context getClassLoader()
throws NamingException {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Context context = null;
do {
context = (Context) clBindings.get(cl);
log.info( "Context=getClassLoader: " + context + " " + cl );
if (context != null) {
return context;
}
} while ((cl = cl.getParent()) != null);
throw new NamingException
(sm.getString("contextBindings.noContextBoundToCL"));
}
/**
* Retrieves the naming context name bound to a class loader.
*/
static Object getClassLoaderName()
throws NamingException {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Object name = null;
do {
name = clNameBindings.get(cl);
if (name != null) {
return name;
}
} while ((cl = cl.getParent()) != null);
throw new NamingException
(sm.getString("contextBindings.noContextBoundToCL"));
}
/**
* Tests if current class loader is bound to a context.
*/
public static boolean isClassLoaderBound() {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
do {
if (clBindings.containsKey(cl)) {
return true;
}
} while ((cl = cl.getParent()) != null);
return false;
}
}
1.1 jakarta-tomcat-connectors/naming/src/org/apache/naming/modules/java/SelectorContext.java
Index: SelectorContext.java
===================================================================
/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.naming.modules.java;
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.Name;
import javax.naming.NameParser;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import org.apache.tomcat.util.res.StringManager;
import org.apache.naming.memory.*;
/* This delegates to another context, removing a prefix.
XXX make it generic, move to core. The context thread can be
selected only once - in the java: factory, to avoid overhead.
*/
/**
* Per thread context, implementing java: like contexts.
*
* @author Remy Maucherat
*/
public class SelectorContext implements Context {
// -------------------------------------------------------------- Constants
/**
* Namespace URL.
*/
public static final String prefix = "java:";
/**
* Namespace URL length.
*/
public static final int prefixLength = prefix.length();
/**
* Initial context prefix.
*/
public static final String IC_PREFIX = "IC_";
// ----------------------------------------------------------- Constructors
/**
* Builds a Catalina selector context using the given environment.
*/
public SelectorContext(Hashtable env) {
this.env = env;
}
/**
* Builds a Catalina selector context using the given environment.
*/
public SelectorContext(Hashtable env, boolean initialContext) {
this(env);
this.initialContext = initialContext;
}
// ----------------------------------------------------- Instance Variables
/**
* Environment.
*/
protected Hashtable env;
/**
* The string manager for this package.
*/
protected StringManager sm = StringManager.getManager("org.apache.naming.res");
/**
* Request for an initial context.
*/
protected boolean initialContext = false;
// --------------------------------------------------------- Public Methods
// -------------------------------------------------------- Context Methods
/**
* Retrieves the named object. If name is empty, returns a new instance
* of this context (which represents the same naming context as this
* context, but its environment may be modified independently and it may
* be accessed concurrently).
*
* @param name the name of the object to look up
* @return the object bound to name
* @exception NamingException if a naming exception is encountered
*/
public Object lookup(Name name)
throws NamingException {
// Strip the URL header
// Find the appropriate NamingContext according to the current bindings
// Execute the lookup on that context
return getBoundContext().lookup(parseName(name));
}
/**
* Retrieves the named object.
*
* @param name the name of the object to look up
* @return the object bound to name
* @exception NamingException if a naming exception is encountered
*/
public Object lookup(String name)
throws NamingException {
// Strip the URL header
// Find the appropriate NamingContext according to the current bindings
// Execute the lookup on that context
return getBoundContext().lookup(parseName(name));
}
/**
* Binds a name to an object. All intermediate contexts and the target
* context (that named by all but terminal atomic component of the name)
* must already exist.
*
* @param name the name to bind; may not be empty
* @param obj the object to bind; possibly null
* @exception NameAlreadyBoundException if name is already bound
* @exception InvalidAttributesException if object did not supply all
* mandatory attributes
* @exception NamingException if a naming exception is encountered
*/
public void bind(Name name, Object obj)
throws NamingException {
getBoundContext().bind(parseName(name), obj);
}
/**
* Binds a name to an object.
*
* @param name the name to bind; may not be empty
* @param obj the object to bind; possibly null
* @exception NameAlreadyBoundException if name is already bound
* @exception InvalidAttributesException if object did not supply all
* mandatory attributes
* @exception NamingException if a naming exception is encountered
*/
public void bind(String name, Object obj)
throws NamingException {
getBoundContext().bind(parseName(name), obj);
}
/**
* Binds a name to an object, overwriting any existing binding. All
* intermediate contexts and the target context (that named by all but
* terminal atomic component of the name) must already exist.
* <p>
* If the object is a DirContext, any existing attributes associated with
* the name are replaced with those of the object. Otherwise, any
* existing attributes associated with the name remain unchanged.
*
* @param name the name to bind; may not be empty
* @param obj the object to bind; possibly null
* @exception InvalidAttributesException if object did not supply all
* mandatory attributes
* @exception NamingException if a naming exception is encountered
*/
public void rebind(Name name, Object obj)
throws NamingException {
getBoundContext().rebind(parseName(name), obj);
}
/**
* Binds a name to an object, overwriting any existing binding.
*
* @param name the name to bind; may not be empty
* @param obj the object to bind; possibly null
* @exception InvalidAttributesException if object did not supply all
* mandatory attributes
* @exception NamingException if a naming exception is encountered
*/
public void rebind(String name, Object obj)
throws NamingException {
getBoundContext().rebind(parseName(name), obj);
}
/**
* Unbinds the named object. Removes the terminal atomic name in name
* from the target context--that named by all but the terminal atomic
* part of name.
* <p>
* This method is idempotent. It succeeds even if the terminal atomic
* name is not bound in the target context, but throws
* NameNotFoundException if any of the intermediate contexts do not exist.
*
* @param name the name to bind; may not be empty
* @exception NameNotFoundException if an intermediate context does not
* exist
* @exception NamingException if a naming exception is encountered
*/
public void unbind(Name name)
throws NamingException {
getBoundContext().unbind(parseName(name));
}
/**
* Unbinds the named object.
*
* @param name the name to bind; may not be empty
* @exception NameNotFoundException if an intermediate context does not
* exist
* @exception NamingException if a naming exception is encountered
*/
public void unbind(String name)
throws NamingException {
getBoundContext().unbind(parseName(name));
}
/**
* Binds a new name to the object bound to an old name, and unbinds the
* old name. Both names are relative to this context. Any attributes
* associated with the old name become associated with the new name.
* Intermediate contexts of the old name are not changed.
*
* @param oldName the name of the existing binding; may not be empty
* @param newName the name of the new binding; may not be empty
* @exception NameAlreadyBoundException if newName is already bound
* @exception NamingException if a naming exception is encountered
*/
public void rename(Name oldName, Name newName)
throws NamingException {
getBoundContext().rename(parseName(oldName), parseName(newName));
}
/**
* Binds a new name to the object bound to an old name, and unbinds the
* old name.
*
* @param oldName the name of the existing binding; may not be empty
* @param newName the name of the new binding; may not be empty
* @exception NameAlreadyBoundException if newName is already bound
* @exception NamingException if a naming exception is encountered
*/
public void rename(String oldName, String newName)
throws NamingException {
getBoundContext().rename(parseName(oldName), parseName(newName));
}
/**
* Enumerates the names bound in the named context, along with the class
* names of objects bound to them. The contents of any subcontexts are
* not included.
* <p>
* If a binding is added to or removed from this context, its effect on
* an enumeration previously returned is undefined.
*
* @param name the name of the context to list
* @return an enumeration of the names and class names of the bindings in
* this context. Each element of the enumeration is of type NameClassPair.
* @exception NamingException if a naming exception is encountered
*/
public NamingEnumeration list(Name name)
throws NamingException {
return getBoundContext().list(parseName(name));
}
/**
* Enumerates the names bound in the named context, along with the class
* names of objects bound to them.
*
* @param name the name of the context to list
* @return an enumeration of the names and class names of the bindings in
* this context. Each element of the enumeration is of type NameClassPair.
* @exception NamingException if a naming exception is encountered
*/
public NamingEnumeration list(String name)
throws NamingException {
return getBoundContext().list(parseName(name));
}
/**
* Enumerates the names bound in the named context, along with the
* objects bound to them. The contents of any subcontexts are not
* included.
* <p>
* If a binding is added to or removed from this context, its effect on
* an enumeration previously returned is undefined.
*
* @param name the name of the context to list
* @return an enumeration of the bindings in this context.
* Each element of the enumeration is of type Binding.
* @exception NamingException if a naming exception is encountered
*/
public NamingEnumeration listBindings(Name name)
throws NamingException {
return getBoundContext().listBindings(parseName(name));
}
/**
* Enumerates the names bound in the named context, along with the
* objects bound to them.
*
* @param name the name of the context to list
* @return an enumeration of the bindings in this context.
* Each element of the enumeration is of type Binding.
* @exception NamingException if a naming exception is encountered
*/
public NamingEnumeration listBindings(String name)
throws NamingException {
return getBoundContext().listBindings(parseName(name));
}
/**
* Destroys the named context and removes it from the namespace. Any
* attributes associated with the name are also removed. Intermediate
* contexts are not destroyed.
* <p>
* This method is idempotent. It succeeds even if the terminal atomic
* name is not bound in the target context, but throws
* NameNotFoundException if any of the intermediate contexts do not exist.
*
* In a federated naming system, a context from one naming system may be
* bound to a name in another. One can subsequently look up and perform
* operations on the foreign context using a composite name. However, an
* attempt destroy the context using this composite name will fail with
* NotContextException, because the foreign context is not a "subcontext"
* of the context in which it is bound. Instead, use unbind() to remove
* the binding of the foreign context. Destroying the foreign context
* requires that the destroySubcontext() be performed on a context from
* the foreign context's "native" naming system.
*
* @param name the name of the context to be destroyed; may not be empty
* @exception NameNotFoundException if an intermediate context does not
* exist
* @exception NotContextException if the name is bound but does not name
* a context, or does not name a context of the appropriate type
*/
public void destroySubcontext(Name name)
throws NamingException {
getBoundContext().destroySubcontext(parseName(name));
}
/**
* Destroys the named context and removes it from the namespace.
*
* @param name the name of the context to be destroyed; may not be empty
* @exception NameNotFoundException if an intermediate context does not
* exist
* @exception NotContextException if the name is bound but does not name
* a context, or does not name a context of the appropriate type
*/
public void destroySubcontext(String name)
throws NamingException {
getBoundContext().destroySubcontext(parseName(name));
}
/**
* Creates and binds a new context. Creates a new context with the given
* name and binds it in the target context (that named by all but
* terminal atomic component of the name). All intermediate contexts and
* the target context must already exist.
*
* @param name the name of the context to create; may not be empty
* @return the newly created context
* @exception NameAlreadyBoundException if name is already bound
* @exception InvalidAttributesException if creation of the subcontext
* requires specification of mandatory attributes
* @exception NamingException if a naming exception is encountered
*/
public Context createSubcontext(Name name)
throws NamingException {
return getBoundContext().createSubcontext(parseName(name));
}
/**
* Creates and binds a new context.
*
* @param name the name of the context to create; may not be empty
* @return the newly created context
* @exception NameAlreadyBoundException if name is already bound
* @exception InvalidAttributesException if creation of the subcontext
* requires specification of mandatory attributes
* @exception NamingException if a naming exception is encountered
*/
public Context createSubcontext(String name)
throws NamingException {
return getBoundContext().createSubcontext(parseName(name));
}
/**
* Retrieves the named object, following links except for the terminal
* atomic component of the name. If the object bound to name is not a
* link, returns the object itself.
*
* @param name the name of the object to look up
* @return the object bound to name, not following the terminal link
* (if any).
* @exception NamingException if a naming exception is encountered
*/
public Object lookupLink(Name name)
throws NamingException {
return getBoundContext().lookupLink(parseName(name));
}
/**
* Retrieves the named object, following links except for the terminal
* atomic component of the name.
*
* @param name the name of the object to look up
* @return the object bound to name, not following the terminal link
* (if any).
* @exception NamingException if a naming exception is encountered
*/
public Object lookupLink(String name)
throws NamingException {
return getBoundContext().lookupLink(parseName(name));
}
/**
* Retrieves the parser associated with the named context. In a
* federation of namespaces, different naming systems will parse names
* differently. This method allows an application to get a parser for
* parsing names into their atomic components using the naming convention
* of a particular naming system. Within any single naming system,
* NameParser objects returned by this method must be equal (using the
* equals() test).
*
* @param name the name of the context from which to get the parser
* @return a name parser that can parse compound names into their atomic
* components
* @exception NamingException if a naming exception is encountered
*/
public NameParser getNameParser(Name name)
throws NamingException {
return getBoundContext().getNameParser(parseName(name));
}
/**
* Retrieves the parser associated with the named context.
*
* @param name the name of the context from which to get the parser
* @return a name parser that can parse compound names into their atomic
* components
* @exception NamingException if a naming exception is encountered
*/
public NameParser getNameParser(String name)
throws NamingException {
return getBoundContext().getNameParser(parseName(name));
}
/**
* Composes the name of this context with a name relative to this context.
* <p>
* Given a name (name) relative to this context, and the name (prefix)
* of this context relative to one of its ancestors, this method returns
* the composition of the two names using the syntax appropriate for the
* naming system(s) involved. That is, if name names an object relative
* to this context, the result is the name of the same object, but
* relative to the ancestor context. None of the names may be null.
*
* @param name a name relative to this context
* @param prefix the name of this context relative to one of its ancestors
* @return the composition of prefix and name
* @exception NamingException if a naming exception is encountered
*/
public Name composeName(Name name, Name prefix)
throws NamingException {
prefix = (Name) name.clone();
return prefix.addAll(name);
}
/**
* Composes the name of this context with a name relative to this context.
*
* @param name a name relative to this context
* @param prefix the name of this context relative to one of its ancestors
* @return the composition of prefix and name
* @exception NamingException if a naming exception is encountered
*/
public String composeName(String name, String prefix)
throws NamingException {
return prefix + "/" + name;
}
/**
* Adds a new environment property to the environment of this context. If
* the property already exists, its value is overwritten.
*
* @param propName the name of the environment property to add; may not
* be null
* @param propVal the value of the property to add; may not be null
* @exception NamingException if a naming exception is encountered
*/
public Object addToEnvironment(String propName, Object propVal)
throws NamingException {
return getBoundContext().addToEnvironment(propName, propVal);
}
/**
* Removes an environment property from the environment of this context.
*
* @param propName the name of the environment property to remove;
* may not be null
* @exception NamingException if a naming exception is encountered
*/
public Object removeFromEnvironment(String propName)
throws NamingException {
return getBoundContext().removeFromEnvironment(propName);
}
/**
* Retrieves the environment in effect for this context. See class
* description for more details on environment properties.
* The caller should not make any changes to the object returned: their
* effect on the context is undefined. The environment of this context
* may be changed using addToEnvironment() and removeFromEnvironment().
*
* @return the environment of this context; never null
* @exception NamingException if a naming exception is encountered
*/
public Hashtable getEnvironment()
throws NamingException {
return getBoundContext().getEnvironment();
}
/**
* Closes this context. This method releases this context's resources
* immediately, instead of waiting for them to be released automatically
* by the garbage collector.
* This method is idempotent: invoking it on a context that has already
* been closed has no effect. Invoking any other method on a closed
* context is not allowed, and results in undefined behaviour.
*
* @exception NamingException if a naming exception is encountered
*/
public void close()
throws NamingException {
getBoundContext().close();
}
/**
* Retrieves the full name of this context within its own namespace.
* <p>
* Many naming services have a notion of a "full name" for objects in
* their respective namespaces. For example, an LDAP entry has a
* distinguished name, and a DNS record has a fully qualified name. This
* method allows the client application to retrieve this name. The string
* returned by this method is not a JNDI composite name and should not be
* passed directly to context methods. In naming systems for which the
* notion of full name does not make sense,
* OperationNotSupportedException is thrown.
*
* @return this context's name in its own namespace; never null
* @exception OperationNotSupportedException if the naming system does
* not have the notion of a full name
* @exception NamingException if a naming exception is encountered
*/
public String getNameInNamespace()
throws NamingException {
return prefix;
}
// ------------------------------------------------------ Protected Methods
/**
* Get the bound context.
*/
protected Context getBoundContext()
throws NamingException {
if (initialContext) {
String ICName = IC_PREFIX;
if (ContextBindings.isThreadBound()) {
ICName += ContextBindings.getThreadName();
} else if (ContextBindings.isClassLoaderBound()) {
ICName += ContextBindings.getClassLoaderName();
}
Context initialContext = ContextBindings.getContext(ICName);
if (initialContext == null) {
// Allocating a new context and binding it to the appropriate
// name
initialContext = new MemoryNamingContext(env, ICName);
ContextBindings.bindContext(ICName, initialContext);
}
return initialContext;
} else {
if (ContextBindings.isThreadBound()) {
return ContextBindings.getThread();
} else {
return ContextBindings.getClassLoader();
}
}
}
/**
* Strips the URL header.
*
* @return the parsed name
* @exception NamingException if there is no "java:" header or if no
* naming context has been bound to this thread
*/
protected String parseName(String name)
throws NamingException {
if ((!initialContext) && (name.startsWith(prefix))) {
return (name.substring(prefixLength));
} else {
if (initialContext) {
return (name);
} else {
throw new NamingException
(sm.getString("selectorContext.noJavaUrl"));
}
}
}
/**
* Strips the URL header.
*
* @return the parsed name
* @exception NamingException if there is no "java:" header or if no
* naming context has been bound to this thread
*/
protected Name parseName(Name name)
throws NamingException {
if ((!initialContext) && (!name.isEmpty())
&& (name.get(0).equals(prefix))) {
return (name.getSuffix(1));
} else {
if (initialContext) {
return (name);
} else {
throw new NamingException
(sm.getString("selectorContext.noJavaUrl"));
}
}
}
}
1.1 jakarta-tomcat-connectors/naming/src/org/apache/naming/modules/java/javaURLContextFactory.java
Index: javaURLContextFactory.java
===================================================================
/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.naming.modules.java;
import java.util.Hashtable;
import javax.naming.Name;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.spi.ObjectFactory;
import javax.naming.spi.InitialContextFactory;
import org.apache.naming.memory.MemoryNamingContext;
//import org.apache.naming.ContextBindings;
import org.apache.tomcat.util.res.StringManager;
/**
* Context factory for the "java:" namespace.
* <p>
* <b>Important note</b> : This factory MUST be associated with the "java" URL
* prefix, which can be done by either :
* <ul>
* <li>Adding a
* java.naming.factory.url.pkgs=org.apache.naming property to the JNDI properties file</li>
* <li>Setting an environment variable named Context.URL_PKG_PREFIXES with
* its value including the org.apache.naming package name.
* More detail about this can be found in the JNDI documentation :
* {@link javax.naming.spi.NamingManager#getURLContext(java.lang.String, java.util.Hashtable)}.</li>
* </ul>
*
* @author Remy Maucherat
*/
public class javaURLContextFactory implements ObjectFactory, InitialContextFactory
{
// ----------------------------------------------------------- Constructors
// -------------------------------------------------------------- Constants
public static final String MAIN = "initialContext";
// ----------------------------------------------------- Instance Variables
/**
* Initial context.
*/
protected static Context initialContext = null;
// --------------------------------------------------------- Public Methods
// -------------------------------------------------- ObjectFactory Methods
/**
* Crete a new Context's instance.
*/
public Object getObjectInstance(Object obj, Name name, Context nameCtx,
Hashtable environment)
throws NamingException {
if ((ContextBindings.isThreadBound()) ||
(ContextBindings.isClassLoaderBound())) {
return new SelectorContext(environment);
} else {
return null;
}
}
/**
* Get a new (writable) initial context.
*/
public Context getInitialContext(Hashtable environment)
throws NamingException {
if (ContextBindings.isThreadBound() ||
(ContextBindings.isClassLoaderBound())) {
// Redirect the request to the bound initial context
return new SelectorContext(environment, true);
} else {
// If the thread is not bound, return a shared writable context
if (initialContext == null)
initialContext = new MemoryNamingContext(environment, MAIN);
return initialContext;
}
}
}
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