org.maven.i18nbinder.plugin.I18nBinderMojo Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright 2012 Danny Kunz
*
* Licensed 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.maven.i18nbinder.plugin;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.DirectoryScanner;
import org.omnaest.i18nbinder.internal.FacadeCreatorHelper;
import org.omnaest.i18nbinder.internal.LocaleFilter;
/**
* Goal which executes the i18nBinder java facade generator
*
* @goal i18nbinder
* @phase generate-sources
* @requiresDependencyResolution compile
* @author Danny Kunz
*/
public class I18nBinderMojo extends AbstractMojo
{
/* ************************************************** Constants *************************************************** */
private static final String GENERATED_SOURCES = "generated-sources";
private static final String GENERATED_SOURCES_I18NBINDER = "i18nbinder";
/* ************************************** Variables / State (internal/hiding) ************************************* */
/**
* Location of the output directory root
*
* @parameter expression="${project.build.directory}"
* @required
*/
private File outputDirectory;
/**
* Location of the source i18n files.
*
* @parameter
*/
private File propertiesRootDirectory = new File( "src/main/resources/i18n" );
/**
* @parameter
*/
private String localeFilterRegex = ".*";
/**
* @parameter
*/
private String fileNameLocaleGroupPattern = ".*?((_\\w{2,3}_\\w{2,3})|(_\\w{2,3})|())\\.properties";
/**
* @parameter
*/
private List fileNameLocaleGroupPatternGroupIndexList = Arrays.asList( 2, 3, 4 );
/**
* @parameter
*/
private boolean createJavaFacade = true;
/**
* @parameter
*/
private boolean logResolvedPropertyFileNames = false;
/**
* @parameter
*/
private String i18nFacadeName = FacadeCreatorHelper.DEFAULT_JAVA_FACADE_FILENAME_I18N_FACADE;
/**
* @parameter
*/
private String baseNameInTargetPlattform = "i18n";
/**
* @parameter
*/
private String packageName = "";
/**
* @parameter
*/
private boolean externalizeTypes = true;
/* ***************************** Beans / Services / References / Delegates (external) ***************************** */
/**
* @parameter expression="${project}"
* @required
* @readonly
*/
private MavenProject project;
/**
* @parameter
*/
private String javaFileEncoding = "utf-8";
/**
* @parameter
*/
private String propertyFileEncoding = "utf-8";
/* *************************************************** Methods **************************************************** */
@Override
public void execute() throws MojoExecutionException
{
if ( !this.createJavaFacade )
{
this.getLog()
.info( "Skipping to create the i18n Java facade since it is disabled by the createJavaFacade property within the configuration" );
}
else
{
//
this.getLog().info( "Create Java source code facade file from property files..." );
this.logConfigurationProperties();
//
final String baseFolderIgnoredPath = getBaseFolderIgnoredPath();
final LocaleFilter localeFilter = this.determineLocaleFilter();
final Set propertyFileSet = this.resolveFilesFromDirectoryRoot( this.propertiesRootDirectory );
try
{
//
final String i18nFacadeName = StringUtils.defaultString( this.i18nFacadeName,
FacadeCreatorHelper.DEFAULT_JAVA_FACADE_FILENAME_I18N_FACADE );
final Map facadeFromPropertyFiles = FacadeCreatorHelper.createI18nInterfaceFacadeFromPropertyFiles( propertyFileSet,
localeFilter,
this.fileNameLocaleGroupPattern,
this.fileNameLocaleGroupPatternGroupIndexList,
this.baseNameInTargetPlattform,
baseFolderIgnoredPath,
this.packageName,
i18nFacadeName,
this.externalizeTypes,
this.propertyFileEncoding );
final File generatedSourceDirectory = createGeneratedSourcesI18nBinderDirectory();
final File targetPackageDirectory = createTargetPackageDirectory( generatedSourceDirectory );
for ( String fileName : facadeFromPropertyFiles.keySet() )
{
//
final String fileContent = facadeFromPropertyFiles.get( fileName );
//
if ( fileName.contains( "." ) )
{
fileName = reduceFileNameAndCreateDirectoryPath( fileName, targetPackageDirectory );
}
//
final File file = new File( targetPackageDirectory, fileName + ".java" );
this.writeContentToFile( fileContent, file, fileName );
}
//
this.project.addCompileSourceRoot( this.getCompileSourceRoots() );
}
catch ( Exception e )
{
this.getLog().error( "Could not write Java facade to file", e );
}
//
this.getLog().info( "...done" );
}
}
private void writeContentToFile( final String fileContent, final File file, String fileName ) throws IOException
{
if ( this.logResolvedPropertyFileNames )
{
this.getLog().info( "Writes to: " + fileName );
}
FileUtils.writeStringToFile( file, fileContent, this.javaFileEncoding );
}
private String getBaseFolderIgnoredPath()
{
try
{
return this.propertiesRootDirectory.getCanonicalPath();
}
catch ( Exception e )
{
this.getLog().error( e );
return this.propertiesRootDirectory.getAbsolutePath();
}
}
private File createTargetPackageDirectory( final File generatedSourceDirectory )
{
//
final String[] pathTokens = StringUtils.split( this.packageName, "." );
File currentDirectory = generatedSourceDirectory;
for ( String pathToken : pathTokens )
{
currentDirectory = new File( currentDirectory, pathToken );
if ( !currentDirectory.exists() )
{
currentDirectory.mkdir();
}
}
//
return new File( generatedSourceDirectory, this.packageName.replaceAll( "\\.", "/" ) );
}
/**
*
*/
private void logConfigurationProperties()
{
this.getLog().info( "baseNameInTargetPlattform=" + this.baseNameInTargetPlattform );
this.getLog().info( "createJavaFacade=" + this.createJavaFacade );
this.getLog().info( "javaFileEncoding=" + this.javaFileEncoding );
this.getLog().info( "externalizeTypes=" + this.externalizeTypes );
this.getLog().info( "fileNameLocaleGroupPattern=" + this.fileNameLocaleGroupPattern );
this.getLog().info( "fileNameLocaleGroupPatternGroupIndexList=" + this.fileNameLocaleGroupPatternGroupIndexList );
this.getLog().info( "i18nFacadeName=" + this.i18nFacadeName );
this.getLog().info( "localeFilterRegex=" + this.localeFilterRegex );
this.getLog().info( "outputDirectory=" + this.outputDirectory );
this.getLog().info( "packageName=" + this.packageName );
this.getLog().info( "propertiesRootDirectory=" + this.propertiesRootDirectory );
}
/**
* @return {@link File}
*/
private File createGeneratedSourcesI18nBinderDirectory()
{
final File generatedSourcesDirectory = new File( this.outputDirectory, GENERATED_SOURCES );
final File generatedSourcesI18nBinderDirectory = new File( generatedSourcesDirectory,
I18nBinderMojo.GENERATED_SOURCES_I18NBINDER );
if ( !generatedSourcesDirectory.exists() )
{
generatedSourcesDirectory.mkdir();
}
if ( !generatedSourcesI18nBinderDirectory.exists() )
{
generatedSourcesI18nBinderDirectory.mkdir();
}
return generatedSourcesI18nBinderDirectory;
}
private Set resolveFilesFromDirectoryRoot( File propertiesRootDirectory )
{
//
final Set retset = new LinkedHashSet();
//
final String[] includes = { "**/*.properties" };
DirectoryScanner directoryScanner = new DirectoryScanner();
{
directoryScanner.setIncludes( includes );
directoryScanner.setBasedir( propertiesRootDirectory );
directoryScanner.setCaseSensitive( true );
directoryScanner.scan();
}
//
final String[] fileNames = directoryScanner.getIncludedFiles();
for ( int i = 0; i < fileNames.length; i++ )
{
final String fileName = fileNames[i].replaceAll( "\\\\", "/" );
if ( this.logResolvedPropertyFileNames )
{
this.getLog().info( "Resolved: " + fileName );
}
retset.add( new File( propertiesRootDirectory, fileName ) );
}
//
return retset;
}
private LocaleFilter determineLocaleFilter()
{
final LocaleFilter localeFilter = new LocaleFilter();
localeFilter.setPattern( Pattern.compile( this.localeFilterRegex ) );
return localeFilter;
}
private String reduceFileNameAndCreateDirectoryPath( String fileName, File targetPackageDirectory )
{
String reducedFileName = StringUtils.removeStart( fileName, this.packageName + "." );
//
fileName = reducedFileName;
File directory = targetPackageDirectory;
String[] tokens = fileName.split( "\\." );
for ( int ii = 0; ii < tokens.length - 1; ii++ )
{
String directoryName = tokens[ii];
directory = new File( directory, directoryName );
if ( !directory.exists() )
{
directory.mkdir();
}
}
fileName = StringUtils.join( Arrays.copyOf( tokens, tokens.length - 1 ), "/" ) + ( tokens.length > 1 ? "/" : "" )
+ tokens[tokens.length - 1];
//
return reducedFileName.replaceAll( "\\.", "/" );
}
public String getCompileSourceRoots() throws IOException
{
return new File( this.outputDirectory, GENERATED_SOURCES + "/" + GENERATED_SOURCES_I18NBINDER ).getCanonicalPath();
}
}
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