| package org.apache.maven.shared.utils.cli.shell; |
| |
| /* |
| * 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. |
| */ |
| |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.apache.maven.shared.utils.Os; |
| import org.apache.maven.shared.utils.StringUtils; |
| |
| /** |
| * @author Jason van Zyl |
| */ |
| public class BourneShell |
| extends Shell |
| { |
| private static final char DOUBLE_QUOTATION = '"'; |
| |
| private static final char[] BASH_QUOTING_TRIGGER_CHARS = |
| { ' ', '$', ';', '&', '|', '<', '>', '*', '?', '(', ')', '[', ']', '{', '}', '`' }; |
| |
| /** |
| * Create instance of BourneShell. |
| */ |
| public BourneShell() |
| { |
| setShellCommand( "/bin/sh" ); |
| setArgumentQuoteDelimiter( DOUBLE_QUOTATION ); |
| setExecutableQuoteDelimiter( DOUBLE_QUOTATION ); |
| setSingleQuotedArgumentEscaped( true ); |
| setSingleQuotedExecutableEscaped( false ); |
| setQuotedExecutableEnabled( true ); |
| } |
| |
| @Override |
| public String getExecutable() |
| { |
| if ( Os.isFamily( Os.FAMILY_WINDOWS ) ) |
| { |
| return super.getExecutable(); |
| } |
| |
| return unifyQuotes( super.getExecutable() ); |
| } |
| |
| @Override |
| public List<String> getShellArgsList() |
| { |
| List<String> shellArgs = new ArrayList<String>(); |
| List<String> existingShellArgs = super.getShellArgsList(); |
| |
| if ( ( existingShellArgs != null ) && !existingShellArgs.isEmpty() ) |
| { |
| shellArgs.addAll( existingShellArgs ); |
| } |
| |
| shellArgs.add( "-c" ); |
| |
| return shellArgs; |
| } |
| |
| @Override |
| public String[] getShellArgs() |
| { |
| String[] shellArgs = super.getShellArgs(); |
| if ( shellArgs == null ) |
| { |
| shellArgs = new String[0]; |
| } |
| |
| if ( ( shellArgs.length > 0 ) && !shellArgs[shellArgs.length - 1].equals( "-c" ) ) |
| { |
| String[] newArgs = new String[shellArgs.length + 1]; |
| |
| System.arraycopy( shellArgs, 0, newArgs, 0, shellArgs.length ); |
| newArgs[shellArgs.length] = "-c"; |
| |
| shellArgs = newArgs; |
| } |
| |
| return shellArgs; |
| } |
| |
| @Override |
| protected String getExecutionPreamble() |
| { |
| if ( getWorkingDirectoryAsString() == null ) |
| { |
| return null; |
| } |
| |
| String dir = getWorkingDirectoryAsString(); |
| StringBuilder sb = new StringBuilder(); |
| sb.append( "cd " ); |
| |
| sb.append( unifyQuotes( dir ) ); |
| sb.append( " && " ); |
| |
| return sb.toString(); |
| } |
| |
| @Override |
| protected char[] getQuotingTriggerChars() |
| { |
| return BASH_QUOTING_TRIGGER_CHARS; |
| } |
| |
| /** |
| * <p>Unify quotes in a path for the Bourne Shell.</p> |
| * <p/> |
| * <pre> |
| * BourneShell.unifyQuotes(null) = null |
| * BourneShell.unifyQuotes("") = (empty) |
| * BourneShell.unifyQuotes("/test/quotedpath'abc") = /test/quotedpath\'abc |
| * BourneShell.unifyQuotes("/test/quoted path'abc") = "/test/quoted path'abc" |
| * BourneShell.unifyQuotes("/test/quotedpath\"abc") = "/test/quotedpath\"abc" |
| * BourneShell.unifyQuotes("/test/quoted path\"abc") = "/test/quoted path\"abc" |
| * BourneShell.unifyQuotes("/test/quotedpath\"'abc") = "/test/quotedpath\"'abc" |
| * BourneShell.unifyQuotes("/test/quoted path\"'abc") = "/test/quoted path\"'abc" |
| * </pre> |
| * |
| * @param path not null path. |
| * @return the path unified correctly for the Bourne shell. |
| */ |
| private static String unifyQuotes( String path ) |
| { |
| if ( path == null ) |
| { |
| return null; |
| } |
| |
| if ( path.indexOf( ' ' ) == -1 && path.indexOf( '\'' ) != -1 && path.indexOf( '"' ) == -1 ) |
| { |
| return StringUtils.escape( path ); |
| } |
| |
| return StringUtils.quoteAndEscape( path, '\"', BASH_QUOTING_TRIGGER_CHARS ); |
| } |
| } |