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    
020    package org.apache.geronimo.gshell;
021    
022    import org.apache.geronimo.gshell.command.IO;
023    import org.apache.geronimo.gshell.command.Variables;
024    import org.apache.geronimo.gshell.common.tostring.ReflectionToStringBuilder;
025    import org.apache.geronimo.gshell.shell.Environment;
026    
027    /**
028     * Default {@link Environment} implementation.
029     *
030     * @version $Rev: 580765 $ $Date: 2007-09-30 11:52:39 -0700 (Sun, 30 Sep 2007) $
031     */
032    public class DefaultEnvironment
033        implements Environment
034    {
035        private final IO io;
036    
037        private final Variables vars;
038    
039        public DefaultEnvironment(final IO io, final Variables vars) {
040            assert io != null;
041            assert vars != null;
042    
043            this.io = io;
044            this.vars = vars;
045    
046            vars.set("env", System.getenv(), false);
047        }
048    
049        public DefaultEnvironment(final IO io) {
050            this(io, new DefaultVariables());
051        }
052    
053        public IO getIO() {
054            return io;
055        }
056    
057        public Variables getVariables() {
058            return vars;
059        }
060    
061        public String toString() {
062            return ReflectionToStringBuilder.toString(this);
063        }
064    }