| package org.apache.maven.plugins.assembly.format; |
| |
| /* |
| * 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.commons.io.input.ReaderInputStream; |
| import org.apache.maven.plugins.assembly.AssemblerConfigurationSource; |
| import org.apache.maven.plugins.assembly.utils.AssemblyFileUtils; |
| import org.apache.maven.plugins.assembly.utils.LineEndings; |
| import org.apache.maven.plugins.assembly.utils.LineEndingsUtils; |
| import org.apache.maven.shared.filtering.MavenFilteringException; |
| import org.apache.maven.shared.filtering.MavenReaderFilterRequest; |
| import org.codehaus.plexus.components.io.functions.InputStreamTransformer; |
| import org.codehaus.plexus.components.io.resources.PlexusIoResource; |
| |
| import javax.annotation.Nonnull; |
| import javax.annotation.Nullable; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| |
| /** |
| * |
| */ |
| public class ReaderFormatter |
| { |
| private static Reader createReaderFilter( @Nonnull Reader source, String escapeString, List<String> delimiters, |
| AssemblerConfigurationSource configSource, boolean isPropertiesFile ) |
| throws IOException |
| { |
| try |
| { |
| |
| MavenReaderFilterRequest filterRequest = |
| new MavenReaderFilterRequest( source, true, configSource.getProject(), configSource.getFilters(), |
| isPropertiesFile, configSource.getMavenSession(), null ); |
| |
| filterRequest.setEscapeString( escapeString ); |
| |
| // if these are NOT set, just use the defaults, which are '${*}' and '@'. |
| if ( delimiters != null && !delimiters.isEmpty() ) |
| { |
| LinkedHashSet<String> delims = new LinkedHashSet<>(); |
| for ( String delim : delimiters ) |
| { |
| if ( delim == null ) |
| { |
| // FIXME: ${filter:*} could also trigger this condition. Need a better long-term solution. |
| delims.add( "${*}" ); |
| } |
| else |
| { |
| delims.add( delim ); |
| } |
| } |
| |
| filterRequest.setDelimiters( delims ); |
| } |
| else |
| { |
| filterRequest.setDelimiters( filterRequest.getDelimiters() ); |
| } |
| |
| filterRequest.setInjectProjectBuildFilters( configSource.isIncludeProjectBuildFilters() ); |
| return configSource.getMavenReaderFilter().filter( filterRequest ); |
| } |
| catch ( MavenFilteringException e ) |
| { |
| IOException ioe = new IOException( "Error filtering file '" + source + "': " + e.getMessage(), e ); |
| throw ioe; |
| } |
| } |
| |
| |
| private static boolean isForbiddenFiletypes( PlexusIoResource plexusIoResource ) |
| { |
| String fileName = plexusIoResource.getName().toLowerCase(); |
| return ( fileName.endsWith( ".zip" ) || fileName.endsWith( ".jar" ) ); |
| } |
| |
| private static void checkifFileTypeIsAppropriateForLineEndingTransformation( PlexusIoResource plexusIoResource ) |
| throws IOException |
| { |
| if ( isForbiddenFiletypes( plexusIoResource ) ) |
| { |
| throw new IOException( "Cannot transform line endings on this kind of file: " + plexusIoResource.getName() |
| + "\nDoing so is more or less guaranteed to destroy the file, and it indicates" |
| + " a problem with your assembly descriptor." |
| + "\nThis error message is new as of 2.5.3. " |
| + "\nEarlier versions of assembly-plugin will silently destroy your file. " |
| + "Fix your descriptor" ); |
| } |
| |
| } |
| |
| @Nullable |
| public static InputStreamTransformer getFileSetTransformers( final AssemblerConfigurationSource configSource, |
| final boolean isFiltered, String fileSetLineEnding ) |
| throws AssemblyFormattingException |
| { |
| final LineEndings lineEndingToUse = LineEndingsUtils.getLineEnding( fileSetLineEnding ); |
| |
| final boolean transformLineEndings = !LineEndings.keep.equals( lineEndingToUse ); |
| |
| if ( transformLineEndings || isFiltered ) |
| { |
| return new InputStreamTransformer() |
| { |
| @Override |
| @Nonnull |
| public InputStream transform( @Nonnull PlexusIoResource plexusIoResource, |
| @Nonnull InputStream inputStream ) |
| throws IOException |
| { |
| InputStream result = inputStream; |
| if ( isFiltered ) |
| { |
| boolean isPropertyFile = AssemblyFileUtils.isPropertyFile( plexusIoResource.getName() ); |
| final String encoding = isPropertyFile ? "ISO-8859-1" : configSource.getEncoding(); |
| |
| Reader source = encoding != null |
| ? new InputStreamReader( inputStream, encoding ) |
| : new InputStreamReader( inputStream ); // wtf platform encoding ? TODO: Fix this |
| Reader filtered = |
| createReaderFilter( source, configSource.getEscapeString(), configSource.getDelimiters(), |
| configSource, isPropertyFile ); |
| result = encoding != null |
| ? new ReaderInputStream( filtered, encoding ) |
| : new ReaderInputStream( filtered ); |
| } |
| if ( transformLineEndings ) |
| { |
| checkifFileTypeIsAppropriateForLineEndingTransformation( plexusIoResource ); |
| result = LineEndingsUtils.lineEndingConverter( result, lineEndingToUse ); |
| } |
| return result; |
| } |
| }; |
| } |
| return null; |
| } |
| } |