/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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*/
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package org.opends.server.admin;
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import java.io.BufferedInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.MissingResourceException;
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import java.util.Properties;
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/**
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* A class for retrieving non-internationalized resource properties
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* associated with a managed object definition.
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* <p>
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* Resource properties are not available for the {@link TopCfgDefn}.
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*/
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public final class ManagedObjectDefinitionResource {
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// Mapping from definition to property tables.
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private final Map<AbstractManagedObjectDefinition<?, ?>,
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Properties> properties;
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// The resource name prefix.
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private final String prefix;
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/**
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* Creates a new resource instance for the named profile.
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*
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* @param profile
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* The name of the profile.
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* @return Returns the resource instance for the named profile.
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*/
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public static ManagedObjectDefinitionResource createForProfile(
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String profile) {
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return new ManagedObjectDefinitionResource("admin.profiles."
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+ profile);
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}
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// Private constructor.
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private ManagedObjectDefinitionResource(String prefix) {
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this.properties =
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new HashMap<AbstractManagedObjectDefinition<?, ?>, Properties>();
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this.prefix = prefix;
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}
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/**
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* Get the resource value associated with the specified key.
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*
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* @param d
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* The managed object definition.
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* @param key
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* The resource key.
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* @return Returns the resource value associated with the specified
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* key.
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* @throws MissingResourceException
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* If the key was not found.
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* @throws UnsupportedOperationException
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* If the provided managed object definition was the
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* {@link TopCfgDefn}.
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*/
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public String getString(AbstractManagedObjectDefinition<?, ?> d, String key)
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throws MissingResourceException, UnsupportedOperationException {
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if (d.isTop()) {
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throw new UnsupportedOperationException(
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"Profile resources are not available for the "
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+ "Top configuration definition");
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}
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Properties p = getProperties(d);
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String result = p.getProperty(key);
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if (result == null) {
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String baseName = prefix + "." + d.getClass().getName();
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String path = baseName.replace('.', '/') + ".properties";
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throw new MissingResourceException("Can't find resource "
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+ path + ", key " + key, baseName, key);
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}
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return result;
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}
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// Retrieve the properties table associated with a managed object,
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// lazily loading it if necessary.
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private synchronized Properties getProperties(
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AbstractManagedObjectDefinition<?, ?> d)
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throws MissingResourceException {
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Properties p = properties.get(d);
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if (p == null) {
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// Load the resource file.
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String baseName = prefix + "." + d.getClass().getName();
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String path = baseName.replace('.', '/') + ".properties";
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InputStream stream = ClassLoaderProvider.getInstance()
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.getClassLoader().getResourceAsStream(path);
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if (stream == null) {
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throw new MissingResourceException("Can't find resource "
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+ path, baseName, "");
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}
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p = new Properties();
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try {
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p.load(new BufferedInputStream(stream));
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} catch (IOException e) {
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throw new MissingResourceException("Can't load resource "
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+ path + " due to IO exception: " + e.getMessage(),
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baseName, "");
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}
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// Cache the resource.
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properties.put(d, p);
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}
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return p;
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}
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}
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