001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.commons.config;
021
022import org.slf4j.Logger;
023import org.slf4j.LoggerFactory;
024
025import org.apache.isis.core.commons.resource.ResourceStreamSource;
026import org.apache.isis.core.commons.resource.ResourceStreamSourceChainOfResponsibility;
027import org.apache.isis.core.commons.resource.ResourceStreamSourceFileSystem;
028
029/**
030 * Convenience implementation of {@link IsisConfigurationBuilder} that loads
031 * configuration resource from a specified directory (or directories) on the
032 * filesystem.
033 * 
034 * @see ResourceStreamSourceFileSystem
035 */
036public class IsisConfigurationBuilderFileSystem extends IsisConfigurationBuilderResourceStreams {
037
038    @SuppressWarnings("unused")
039    private static final Logger LOG = LoggerFactory.getLogger(IsisConfigurationBuilderFileSystem.class);
040
041    private static ResourceStreamSource createResourceStreamSource(final String... directories) {
042        final ResourceStreamSourceChainOfResponsibility composite = new ResourceStreamSourceChainOfResponsibility();
043        for (final String directory : directories) {
044            composite.addResourceStreamSource(new ResourceStreamSourceFileSystem(directory));
045        }
046        return composite;
047    }
048
049    public IsisConfigurationBuilderFileSystem(final String... directories) {
050        super(createResourceStreamSource(directories));
051    }
052
053    public IsisConfigurationBuilderFileSystem() {
054        super(ResourceStreamSourceFileSystem.create(ConfigurationConstants.DEFAULT_CONFIG_DIRECTORY));
055    }
056
057}