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Micro Distribution of the Payara Project for IBM JDK
/*
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*
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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*
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
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*/
package org.apache.catalina.core;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
/**
* Utility class to adapt:
* {@link Context} to {@link org.glassfish.grizzly.http.server.naming.NamingContext} and
* {@link DirContext} to {@link org.glassfish.grizzly.http.server.naming.DirContext}.
*/
public class ContextsAdapterUtility {
/**
* Wraps {@link Context} and returns corresponding Grizzly
* {@link org.glassfish.grizzly.http.server.naming.NamingContext}.
*
* @param namingContext {@link Context} to wrap.
* @return {@link org.glassfish.grizzly.http.server.naming.NamingContext}
*/
public static org.glassfish.grizzly.http.server.naming.NamingContext wrap(
final Context namingContext) {
if (namingContext == null) {
return null;
}
return new NamingContextAdapter(namingContext);
}
/**
* Unwraps Grizzly
* {@link org.glassfish.grizzly.http.server.naming.NamingContext} and returns
* internal {@link Context}.
*
* @param grizzlyNamingContext {@link org.glassfish.grizzly.http.server.naming.NamingContext}
* @return {@link Context}
* @throws IllegalArgumentException if passed Grizzly
* {@link final org.glassfish.grizzly.http.server.naming.NamingContext} is
* of unknown type (wasn't wrapped by this utility class).
*/
public static Context unwrap(
final org.glassfish.grizzly.http.server.naming.NamingContext grizzlyNamingContext) {
if (grizzlyNamingContext == null) {
return null;
}
if (!(grizzlyNamingContext instanceof NamingContextAdapter)) {
throw new IllegalArgumentException("Unknown NamingContext type: " +
grizzlyNamingContext.getClass().getName());
}
return ((NamingContextAdapter) grizzlyNamingContext).getJmxNamingContext();
}
/**
* Wraps {@link DirContext} and returns corresponding Grizzly
* {@link org.glassfish.grizzly.http.server.naming.DirContext}.
*
* @param dirContext {@link DirContext} to wrap.
* @return {@link org.glassfish.grizzly.http.server.naming.DirContext}
*/
public static org.glassfish.grizzly.http.server.naming.DirContext wrap(
final DirContext dirContext) {
if (dirContext == null) {
return null;
}
return new DirContextAdapter(dirContext);
}
/**
* Unwraps Grizzly
* {@link org.glassfish.grizzly.http.server.naming.DirContext} and returns
* internal {@link DirContext}.
*
* @param grizzlyDirContext {@link org.glassfish.grizzly.http.server.naming.DirContext}
* @return {@link DirContext}
* @throws IllegalArgumentException if passed Grizzly
* {@link final org.glassfish.grizzly.http.server.naming.DirContext} is not
* of unknown type (wasn't wrapped by this utility class).
*/
public static DirContext unwrap(
final org.glassfish.grizzly.http.server.naming.DirContext grizzlyDirContext) {
if (grizzlyDirContext == null) {
return null;
}
if (!(grizzlyDirContext instanceof DirContextAdapter)) {
throw new IllegalArgumentException("Unknown DirContext type: " +
grizzlyDirContext.getClass().getName());
}
return ((DirContextAdapter) grizzlyDirContext).getJmxDirContext();
}
private static Object wrapIfNeeded(final Object resource) {
if (resource == null) {
return null;
} else if (resource instanceof DirContext) {
return wrap((DirContext) resource);
} else if (resource instanceof Context) {
return wrap((Context) resource);
}
return resource;
}
private static class NamingContextAdapter
implements org.glassfish.grizzly.http.server.naming.DirContext {
private final Context jmxNamingContext;
private NamingContextAdapter(final Context jmxNamingContext) {
this.jmxNamingContext = jmxNamingContext;
}
public Context getJmxNamingContext() {
return jmxNamingContext;
}
/**
* {@inheritDoc}
*/
@Override
public Object lookup(final String pathStr)
throws org.glassfish.grizzly.http.server.naming.NamingException {
try {
return wrapIfNeeded(jmxNamingContext.lookup(pathStr));
} catch (NamingException e) {
throw new org.glassfish.grizzly.http.server.naming.NamingException(e);
}
}
}
private static class DirContextAdapter
implements org.glassfish.grizzly.http.server.naming.DirContext {
private final DirContext jmxDirContext;
private DirContextAdapter(final DirContext jmxDirContext) {
this.jmxDirContext = jmxDirContext;
}
public DirContext getJmxDirContext() {
return jmxDirContext;
}
/**
* {@inheritDoc}
*/
@Override
public Object lookup(final String pathStr)
throws org.glassfish.grizzly.http.server.naming.NamingException {
try {
return wrapIfNeeded(jmxDirContext.lookup(pathStr));
} catch (NamingException e) {
throw new org.glassfish.grizzly.http.server.naming.NamingException(e);
}
}
}
}
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