| package org.apache.maven.plugin.assembly.utils; |
| |
| /* |
| * 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 org.apache.maven.plugin.assembly.format.AssemblyFormattingException; |
| import org.codehaus.plexus.logging.Logger; |
| |
| import java.util.List; |
| |
| /** |
| * @version $Id$ |
| */ |
| public final class TypeConversionUtils |
| { |
| |
| private static final int U_R = 256; |
| |
| private static final int U_W = 128; |
| |
| private static final int U_X = 64; |
| |
| private static final int G_R = 32; |
| |
| private static final int G_W = 16; |
| |
| private static final int G_X = 8; |
| |
| private static final int W_R = 4; |
| |
| private static final int W_W = 2; |
| |
| private static final int W_X = 1; |
| |
| private TypeConversionUtils() |
| { |
| } |
| |
| public static String[] toStringArray( final List<String> list ) |
| { |
| String[] result = null; |
| |
| if ( ( list != null ) && !list.isEmpty() ) |
| { |
| result = list.toArray( new String[list.size()] ); |
| } |
| |
| return result; |
| } |
| |
| public static int modeToInt( final String mode, final Logger logger ) |
| throws AssemblyFormattingException |
| { |
| if ( mode == null || mode.trim().length() < 1 ) |
| { |
| return -1; |
| } |
| |
| try |
| { |
| final int value = Integer.parseInt( mode, 8 ); |
| |
| // discard sanity assessment here; we're pushing ahead. |
| verifyModeSanity( value, logger ); |
| |
| return value; |
| } |
| catch ( final NumberFormatException e ) |
| { |
| throw new AssemblyFormattingException( "Failed to parse mode as an octal number: \'" + mode + "\'.", e ); |
| } |
| } |
| |
| // the boolean return type is for people who want to make a decision based on the sanity |
| // assessment. |
| public static boolean verifyModeSanity( final int mode, final Logger logger ) |
| { |
| final StringBuilder messages = new StringBuilder(); |
| |
| messages.append( "The mode: " ).append( Integer.toString( mode, 8 ) ).append( |
| " contains nonsensical permissions:" ); |
| |
| boolean warn = false; |
| |
| // read-access checks. |
| if ( ( ( mode & U_R ) == 0 ) && ( ( mode & G_R ) == G_R ) ) |
| { |
| messages.append( "\n- Group has read access, but user does not." ); |
| warn = true; |
| } |
| |
| if ( ( ( mode & U_R ) == 0 ) && ( ( mode & W_R ) == W_R ) ) |
| { |
| messages.append( "\n- World has read access, but user does not." ); |
| warn = true; |
| } |
| |
| if ( ( ( mode & G_R ) == 0 ) && ( ( mode & W_R ) == W_R ) ) |
| { |
| messages.append( "\n- World has read access, but group does not." ); |
| warn = true; |
| } |
| // end read-access checks. |
| |
| // write-access checks. |
| if ( ( ( mode & U_W ) == 0 ) && ( ( mode & G_W ) == G_W ) ) |
| { |
| messages.append( "\n- Group has write access, but user does not." ); |
| warn = true; |
| } |
| |
| if ( ( ( mode & U_W ) == 0 ) && ( ( mode & W_W ) == W_W ) ) |
| { |
| messages.append( "\n- World has write access, but user does not." ); |
| warn = true; |
| } |
| |
| if ( ( ( mode & G_W ) == 0 ) && ( ( mode & W_W ) == W_W ) ) |
| { |
| messages.append( "\n- World has write access, but group does not." ); |
| warn = true; |
| } |
| // end write-access checks. |
| |
| // execute-/list-access checks. |
| if ( ( ( mode & U_X ) == 0 ) && ( ( mode & G_X ) == G_X ) ) |
| { |
| messages.append( "\n- Group has execute/list access, but user does not." ); |
| warn = true; |
| } |
| |
| if ( ( ( mode & U_X ) == 0 ) && ( ( mode & W_X ) == W_X ) ) |
| { |
| messages.append( "\n- World has execute/list access, but user does not." ); |
| warn = true; |
| } |
| |
| if ( ( ( mode & G_X ) == 0 ) && ( ( mode & W_X ) == W_X ) ) |
| { |
| messages.append( "\n- World has execute/list access, but group does not." ); |
| warn = true; |
| } |
| // end execute-/list-access checks. |
| |
| if ( warn ) |
| { |
| logger.warn( messages.toString() ); |
| } |
| |
| return !warn; |
| } |
| |
| } |