fr.mby.portal.coreimpl.preferences.BasicAppPreferences.java Source code

Introduction

Here is the source code for fr.mby.portal.coreimpl.preferences.BasicAppPreferences.java

Source

/**
 * Copyright 2013 Maxime Bossard
 *
 * 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 fr.mby.portal.coreimpl.preferences;

import java.util.Collections;
import java.util.Map;

import org.springframework.util.Assert;

import fr.mby.portal.api.app.IAppPreferences;

/**
 * @author Maxime Bossard - 2013
 * 
 */
public class BasicAppPreferences implements IAppPreferences {

    private final Map<String, String[]> preferences;

    /** Protected constructor. */
    protected BasicAppPreferences(final Map<String, String[]> preferences) {
        super();

        Assert.notNull(preferences, "No preferences Map supplied !");

        this.preferences = preferences;
    }

    @Override
    public Map<String, String[]> getMap() {
        return Collections.unmodifiableMap(this.preferences);
    }

    @Override
    public Iterable<String> getNames() {
        return this.preferences.keySet();
    }

    @Override
    public String getValue(final String name, final String def) {
        final String[] values = this.preferences.get(name);
        final String value;
        if (values == null) {
            value = def;
        } else {
            value = values[0];
        }
        return value;
    }

    @Override
    public String[] getValues(final String name, final String[] def) {
        String[] values = this.preferences.get(name);
        if (values == null) {
            values = def;
        }
        return values;
    }

}