| package org.apache.maven.shared.filtering; |
| |
| /* |
| * 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.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.FileReader; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.OutputStreamWriter; |
| import java.io.Reader; |
| import java.io.UnsupportedEncodingException; |
| import java.io.Writer; |
| import java.util.List; |
| |
| import javax.annotation.Nonnull; |
| import javax.annotation.Nullable; |
| |
| import org.apache.maven.execution.MavenSession; |
| import org.apache.maven.project.MavenProject; |
| import org.apache.maven.shared.utils.StringUtils; |
| import org.apache.maven.shared.utils.io.FileUtils; |
| import org.apache.maven.shared.utils.io.FileUtils.FilterWrapper; |
| import org.apache.maven.shared.utils.io.IOUtil; |
| import org.codehaus.plexus.component.annotations.Component; |
| import org.codehaus.plexus.component.annotations.Requirement; |
| import org.sonatype.plexus.build.incremental.BuildContext; |
| |
| /** |
| * @author Olivier Lamy |
| */ |
| @Component( role = org.apache.maven.shared.filtering.MavenFileFilter.class, hint = "default" ) |
| public class DefaultMavenFileFilter |
| extends BaseFilter |
| implements MavenFileFilter |
| { |
| |
| @Requirement |
| private MavenReaderFilter readerFilter; |
| |
| @Requirement |
| private BuildContext buildContext; |
| |
| /** {@inheritDoc} */ |
| public void copyFile( File from, File to, boolean filtering, MavenProject mavenProject, List<String> filters, |
| boolean escapedBackslashesInFilePath, String encoding, MavenSession mavenSession ) |
| throws MavenFilteringException |
| { |
| MavenResourcesExecution mre = new MavenResourcesExecution(); |
| mre.setMavenProject( mavenProject ); |
| mre.setFileFilters( filters ); |
| mre.setEscapeWindowsPaths( escapedBackslashesInFilePath ); |
| mre.setMavenSession( mavenSession ); |
| mre.setInjectProjectBuildFilters( true ); |
| |
| List<FileUtils.FilterWrapper> filterWrappers = getDefaultFilterWrappers( mre ); |
| copyFile( from, to, filtering, filterWrappers, encoding ); |
| } |
| |
| /** {@inheritDoc} */ |
| public void copyFile( MavenFileFilterRequest mavenFileFilterRequest ) |
| throws MavenFilteringException |
| { |
| List<FilterWrapper> filterWrappers = getDefaultFilterWrappers( mavenFileFilterRequest ); |
| |
| copyFile( mavenFileFilterRequest.getFrom(), mavenFileFilterRequest.getTo(), |
| mavenFileFilterRequest.isFiltering(), filterWrappers, mavenFileFilterRequest.getEncoding() ); |
| } |
| |
| /** {@inheritDoc} */ |
| public void copyFile( File from, File to, boolean filtering, List<FileUtils.FilterWrapper> filterWrappers, |
| String encoding ) |
| throws MavenFilteringException |
| { |
| // overwrite forced to false to preserve backward comp |
| copyFile( from, to, filtering, filterWrappers, encoding, false ); |
| } |
| |
| /** {@inheritDoc} */ |
| public void copyFile( File from, File to, boolean filtering, List<FileUtils.FilterWrapper> filterWrappers, |
| String encoding, boolean overwrite ) |
| throws MavenFilteringException |
| { |
| try |
| { |
| if ( filtering ) |
| { |
| if ( getLogger().isDebugEnabled() ) |
| { |
| getLogger().debug( "filtering " + from.getPath() + " to " + to.getPath() ); |
| } |
| filterFile( from, to, encoding, filterWrappers ); |
| } |
| else |
| { |
| if ( getLogger().isDebugEnabled() ) |
| { |
| getLogger().debug( "copy " + from.getPath() + " to " + to.getPath() ); |
| } |
| FileUtils.copyFile( from, to, encoding, new FileUtils.FilterWrapper[0], overwrite ); |
| } |
| |
| buildContext.refresh( to ); |
| } |
| catch ( IOException e ) |
| { |
| throw new MavenFilteringException( e.getMessage(), e ); |
| } |
| |
| } |
| |
| private void filterFile( @Nonnull File from, @Nonnull File to, @Nullable String encoding, |
| @Nullable List<FilterWrapper> wrappers ) |
| throws IOException, MavenFilteringException |
| { |
| if ( wrappers != null && wrappers.size() > 0 ) |
| { |
| Reader fileReader = null; |
| Writer fileWriter = null; |
| try |
| { |
| fileReader = getFileReader( encoding, from ); |
| fileWriter = getFileWriter( encoding, to ); |
| Reader src = readerFilter.filter( fileReader, true, wrappers ); |
| |
| IOUtil.copy( src, fileWriter ); |
| } |
| finally |
| { |
| IOUtil.close( fileReader ); |
| IOUtil.close( fileWriter ); |
| } |
| } |
| else |
| { |
| if ( to.lastModified() < from.lastModified() ) |
| { |
| FileUtils.copyFile( from, to ); |
| } |
| } |
| } |
| |
| private Writer getFileWriter( String encoding, File to ) |
| throws IOException |
| { |
| if ( StringUtils.isEmpty( encoding ) ) |
| { |
| return new FileWriter( to ); |
| } |
| else |
| { |
| FileOutputStream outstream = new FileOutputStream( to ); |
| |
| return new OutputStreamWriter( outstream, encoding ); |
| } |
| } |
| |
| private Reader getFileReader( String encoding, File from ) |
| throws FileNotFoundException, UnsupportedEncodingException |
| { |
| // buffer so it isn't reading a byte at a time! |
| if ( StringUtils.isEmpty( encoding ) ) |
| { |
| return new BufferedReader( new FileReader( from ) ); |
| } |
| else |
| { |
| FileInputStream instream = new FileInputStream( from ); |
| return new BufferedReader( new InputStreamReader( instream, encoding ) ); |
| } |
| } |
| |
| } |