guru.qas.martini.jmeter.TagResourceBundle.java Source code

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Here is the source code for guru.qas.martini.jmeter.TagResourceBundle.java

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/*
Copyright 2018 Penny Rohr Curich
    
Licensed 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 guru.qas.martini.jmeter;

import java.util.Enumeration;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Locale;
import java.util.ResourceBundle;
import java.util.Set;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterators;
import com.google.common.collect.Sets;

import static com.google.common.base.Preconditions.checkNotNull;

@SuppressWarnings({ "WeakerAccess", "unused" })
public class TagResourceBundle extends ResourceBundle {

    protected final ResourceBundle delegate;
    protected final Set<String> tags;

    public TagResourceBundle(ResourceBundle delegate, @Nullable Iterable<String> tags) {
        this.delegate = checkNotNull(delegate, "null ResourceBundle");
        this.tags = null == tags ? ImmutableSet.of() : Sets.newLinkedHashSet(tags);
    }

    @Override
    public String getBaseBundleName() {
        return delegate.getBaseBundleName();
    }

    @Override
    public Locale getLocale() {
        return super.getLocale();
    }

    @Override
    protected void setParent(ResourceBundle parent) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean containsKey(@Nonnull String key) {
        checkNotNull(key, "null String");
        return delegate.containsKey(key) || tags.contains(key);
    }

    @Nonnull
    @Override
    public Set<String> keySet() {
        LinkedHashSet<String> set = Sets.newLinkedHashSet(tags);
        Iterators.addAll(set, delegate.getKeys().asIterator());
        return set;
    }

    @Override
    protected Object handleGetObject(@Nonnull String key) {
        return tags.contains(key) ? key : delegate.getObject(key);
    }

    @Nonnull
    @Override
    protected Set<String> handleKeySet() {
        return keySet();
    }

    @Nonnull
    @Override
    public Enumeration<String> getKeys() {
        Set<String> keys = keySet();
        Iterator<String> iterator = keys.iterator();
        return Iterators.asEnumeration(iterator);
    }
}