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LWCResourceBundle.java
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LWCResourceBundle.java
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/*
* Copyright 2011 Tyler Blair. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS 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 AUTHOR OR
* 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.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and contributors and should not be interpreted as representing official policies,
* either expressed or implied, of anybody else.
*/
package com.griefcraft.util.locale;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.List;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.Set;
public class LWCResourceBundle extends ResourceBundle {
/**
* Stores bundles that override the defaults
*/
private List<ResourceBundle> extensionBundles = new ArrayList<>();
public LWCResourceBundle(ResourceBundle parent) {
this.parent = parent;
}
/**
* Add a ResourceBundle to the extras
*
* @param bundle
*/
public void addExtensionBundle(ResourceBundle bundle) {
if (bundle == null) {
return;
}
extensionBundles.add(bundle);
}
@Override
public Enumeration<String> getKeys() {
Set<String> keys = new HashSet<>();
keys.addAll(parent.keySet());
// add the extension bundles' keys as well
for (ResourceBundle bundle : extensionBundles) {
keys.addAll(bundle.keySet());
}
return Collections.enumeration(keys);
}
/**
* Get an object from one of the extension bundles
*
* @param key
* @return
*/
private Object getObjectFromExtensionBundles(String key) {
if (extensionBundles.size() == 0) {
return null;
}
try {
for (ResourceBundle bundle : extensionBundles) {
Object object = bundle.getObject(key);
if (object != null) {
return object;
}
}
} catch (MissingResourceException e) {
}
return null;
}
@Override
protected Object handleGetObject(String key) {
Object object;
if ((object = getObjectFromExtensionBundles(key)) != null) {
return object;
}
return parent.getObject(key);
}
}