| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.geronimo.gshell.commands.builtins; |
| |
| import org.apache.commons.vfs.FileObject; |
| import org.apache.geronimo.gshell.clp.Argument; |
| import org.apache.geronimo.gshell.command.CommandAction; |
| import org.apache.geronimo.gshell.command.CommandContext; |
| import org.apache.geronimo.gshell.commandline.CommandLineExecutor; |
| import org.apache.geronimo.gshell.io.IO; |
| import org.apache.geronimo.gshell.shell.ShellContextHolder; |
| import org.apache.geronimo.gshell.vfs.FileSystemAccess; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.BufferedReader; |
| import java.io.InputStreamReader; |
| |
| /** |
| * Read and execute commands from a file in the current shell environment. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class SourceAction |
| implements CommandAction |
| { |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private final CommandLineExecutor executor; |
| |
| private final FileSystemAccess fileSystemAccess; |
| |
| @Argument(required=true) |
| private String path; |
| |
| public SourceAction(final CommandLineExecutor executor, final FileSystemAccess fileSystemAccess) { |
| assert executor != null; |
| this.executor = executor; |
| assert fileSystemAccess != null; |
| this.fileSystemAccess = fileSystemAccess; |
| } |
| |
| public Object execute(final CommandContext context) throws Exception { |
| assert context != null; |
| IO io = context.getIo(); |
| |
| FileObject cwd = fileSystemAccess.getCurrentDirectory(context.getVariables()); |
| FileObject file = fileSystemAccess.resolveFile(cwd, path); |
| |
| if (!file.exists()) { |
| io.error("File not found: {}", file.getName()); |
| return Result.FAILURE; |
| } |
| else if (!file.getType().hasContent()) { |
| io.error("File has no content: {}", file.getName()); |
| return Result.FAILURE; |
| } |
| |
| log.debug("Sourcing file: {}", file.getName()); |
| |
| BufferedReader reader = new BufferedReader(new InputStreamReader(file.getContent().getInputStream())); |
| |
| try { |
| String line; |
| while ((line = reader.readLine()) != null) { |
| String tmp = line.trim(); |
| |
| // Ignore empty lines and comments |
| if (tmp.length() == 0 || tmp.startsWith("#")) { |
| continue; |
| } |
| |
| executor.execute(ShellContextHolder.get(), line); |
| } |
| } |
| finally { |
| reader.close(); |
| file.close(); |
| } |
| |
| return Result.SUCCESS; |
| } |
| } |