org.apache.activemq.artemis.utils.JNDIUtil Maven / Gradle / Ivy
/*
* 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.activemq.artemis.utils;
import javax.naming.Binding;
import javax.naming.Context;
import javax.naming.NameNotFoundException;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import java.util.StringTokenizer;
public class JNDIUtil {
/**
* Create a context path recursively.
*/
public static Context createContext(final Context c, final String path) throws NamingException {
Context crtContext = c;
for (StringTokenizer st = new StringTokenizer(path, "/"); st.hasMoreTokens(); ) {
String tok = st.nextToken();
try {
Object o = crtContext.lookup(tok);
if (!(o instanceof Context)) {
throw new NamingException("Path " + path + " overwrites and already bound object");
}
crtContext = (Context) o;
continue;
} catch (NameNotFoundException e) {
// OK
}
crtContext = crtContext.createSubcontext(tok);
}
return crtContext;
}
public static void tearDownRecursively(final Context c) throws Exception {
for (NamingEnumeration ne = c.listBindings(""); ne.hasMore(); ) {
Binding b = ne.next();
String name = b.getName();
Object object = b.getObject();
if (object instanceof Context) {
JNDIUtil.tearDownRecursively((Context) object);
}
c.unbind(name);
}
}
/**
* Context.rebind() requires that all intermediate contexts and the target context (that named by
* all but terminal atomic component of the name) must already exist, otherwise
* NameNotFoundException is thrown. This method behaves similar to Context.rebind(), but creates
* intermediate contexts, if necessary.
*/
public static void rebind(final Context c, final String jndiName, final Object o) throws NamingException {
Context context = c;
String name = jndiName;
int idx = jndiName.lastIndexOf('/');
if (idx != -1) {
context = JNDIUtil.createContext(c, jndiName.substring(0, idx));
name = jndiName.substring(idx + 1);
}
boolean failed = false;
try {
context.rebind(name, o);
} catch (Exception ignored) {
failed = true;
}
if (failed) {
context.bind(name, o);
}
}
}
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