org.grails.config.PrefixedConfig Maven / Gradle / Ivy

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/*
 * Copyright 2014-2023 the original author or authors.
 *
 * 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
 *
 *      https://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.grails.config;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Properties;
import java.util.Set;

import grails.config.Config;

/**
 * A config that accepts a prefix
 *
 * @author Graeme Rocher
 * @since 3.0
 */
public class PrefixedConfig implements Config {

    protected String prefix;

    protected String[] prefixTokens;

    protected Config delegate;

    public PrefixedConfig(String prefix, Config delegate) {
        this.prefix = prefix;
        this.prefixTokens = prefix.split("\\.");
        this.delegate = delegate;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        PrefixedConfig entries = (PrefixedConfig) o;

        if (!Objects.equals(this.delegate, entries.delegate)) {
            return false;
        }
        return Objects.equals(this.prefix, entries.prefix);
    }

    @Override
    public int hashCode() {
        int result = this.prefix != null ? this.prefix.hashCode() : 0;
        result = 31 * result + (this.delegate != null ? this.delegate.hashCode() : 0);
        return result;
    }

    @Override
    @Deprecated
    public Map flatten() {
        Map flattened = this.delegate.flatten();
        Map map = new LinkedHashMap<>(flattened.size());
        for (String key : flattened.keySet()) {
            map.put(formulateKey(key), flattened.get(key));
        }
        return map;
    }

    @Override
    public Properties toProperties() {
        Map flattened = flatten();
        Properties properties = new Properties();
        properties.putAll(flattened);
        return properties;
    }

    @Override
    public Object getAt(Object key) {
        return get(key);
    }

    @Override
    public Object navigate(String... path) {
        List tokens = new ArrayList<>();
        tokens.addAll(Arrays.asList(this.prefixTokens));
        tokens.addAll(Arrays.asList(path));
        return this.delegate.navigate(tokens.toArray(new String[0]));
    }

    @Override
    public Iterator> iterator() {
        return entrySet().iterator();
    }

    @Override
    public int size() {
        return this.delegate.size();
    }

    @Override
    public boolean isEmpty() {
        return this.delegate.isEmpty();
    }

    @Override
    public boolean containsKey(Object key) {
        return containsProperty(key.toString());
    }

    @Override
    public boolean containsValue(Object value) {
        return values().contains(value);
    }

    @Override
    public Object get(Object key) {
        return getProperty(key.toString(), Object.class);
    }

    @Override
    public Set keySet() {
        Set keys = this.delegate.keySet();
        Set newKeys = new HashSet<>();
        for (String key : keys) {
            newKeys.add(formulateKey(key));
        }
        return newKeys;
    }

    @Override
    public Collection