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com.google.code.play2.plugin.Play2EnhanceClassesMojo Maven / Gradle / Ivy
/*
* Copyright 2013-2014 Grzegorz Slowikowski (gslowikowski at gmail dot com)
*
* 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 com.google.code.play2.plugin;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.codehaus.plexus.util.DirectoryScanner;
import org.codehaus.plexus.util.FileUtils;
import com.google.code.play2.provider.api.Play2JavaEnhancer;
import com.google.code.play2.provider.api.Play2Provider;
import com.google.code.sbt.compiler.api.Analysis;
import com.google.code.sbt.compiler.api.AnalysisProcessor;
/**
* Java classes enhance
*
* @author Grzegorz Slowikowski
* @since 1.0.0
*/
@Mojo( name = "enhance", defaultPhase = LifecyclePhase.PROCESS_CLASSES, requiresDependencyResolution = ResolutionScope.COMPILE )
public class Play2EnhanceClassesMojo
extends AbstractPlay2EnhanceMojo
{
private static final String appDirectoryName = "app";
private static final String srcManagedDirectoryName = "src_managed/main";
/**
* Project classpath.
*/
@Parameter( defaultValue = "${project.compileClasspathElements}", readonly = true, required = true )
private List classpathElements;
/**
* The directory for compiled classes.
*/
@Parameter( defaultValue = "${project.build.outputDirectory}", required = true, readonly = true )
private File outputDirectory;
@Override
protected void internalExecute()
throws MojoExecutionException, MojoFailureException, IOException
{
List classpathElementsCopy = classpathElements;
// ?classpathElementsCopy.remove( outputDirectory.getAbsolutePath() );
List classpath = new ArrayList( classpathElementsCopy.size() );
for ( String path : classpathElementsCopy )
{
classpath.add( new File( path ) );
}
enhanceClasses( classpath );
}
private void enhanceClasses( List classpathFiles )
throws MojoExecutionException, IOException
{
File analysisCacheFile = getAnalysisCacheFile();
if ( !analysisCacheFile.exists() )
{
throw new MojoExecutionException( String.format( "Analysis cache file \"%s\" not found", analysisCacheFile.getAbsolutePath() ) );
}
if ( !analysisCacheFile.isFile() )
{
throw new MojoExecutionException( String.format( "Analysis cache \"%s\" is not a file", analysisCacheFile.getAbsolutePath() ) );
}
AnalysisProcessor sbtAnalysisProcessor = getSbtAnalysisProcessor();
Analysis analysis = sbtAnalysisProcessor.readFromFile( analysisCacheFile );
Play2Provider play2Provider = getProvider();
Play2JavaEnhancer enhancer = play2Provider.getEnhancer();
try
{
/*StringBuilder sb = new StringBuilder();
for (File classpathFile: classpathFiles)
{
sb.append(classpathFile.getAbsolutePath()).append(java.io.File.pathSeparator);
}
sb.append(getOutputDirectory().getAbsolutePath());
String classpath = sb.toString();*/
// enhancer.setClasspath( classpath );//TODO Change type
enhancer.setClasspathFiles( classpathFiles );
File timestampFile = new File( getAnalysisCacheFile().getParentFile(), "play_instrumentation" );
long lastEnhanced = 0L;
if ( timestampFile.exists() )
{
String line = readFileFirstLine( timestampFile );
lastEnhanced = Long.parseLong( line );
}
boolean anyJavaClassesEnhanced = enhanceJavaClasses( lastEnhanced, analysis, enhancer );
boolean anyTemplateClassesEnhanced = enhanceTemplateClasses( lastEnhanced, analysis, enhancer );
if ( anyJavaClassesEnhanced || anyTemplateClassesEnhanced )
{
if ( analysis != null )
{
analysis.writeToFile( analysisCacheFile );
}
writeToFile( timestampFile, Long.toString( System.currentTimeMillis() ) );
}
}
catch ( IOException e )
{
throw e;
}
catch ( Exception e )// TODO-???
{
throw new MojoExecutionException( "Enhancement exception", e );
}
synchronizeManagedClasses( analysis );
}
private boolean enhanceJavaClasses( long lastEnhanced/*, AnalysisProcessor sbtAnalysisProcessor*/, Analysis analysis, Play2JavaEnhancer enhancer ) throws Exception
{
File scannerBaseDir = new File( project.getBasedir(), appDirectoryName );
if ( !scannerBaseDir.isDirectory() )
{
getLog().info( "No classes to enhance" );
return false;
}
DirectoryScanner scanner = new DirectoryScanner();
scanner.setBasedir( scannerBaseDir );
scanner.setIncludes( new String[] { "**/*.java" } );
scanner.addDefaultExcludes();
scanner.scan();
String[] javaSources = scanner.getIncludedFiles();
int processedFiles = 0;
int enhancedFiles = 0;
if ( javaSources.length > 0 )
{
for ( String source : javaSources )
{
File sourceFile = new File( scannerBaseDir, source );
if ( analysis.getCompilationTime( sourceFile ) > lastEnhanced )
{
Set javaClasses = analysis.getProducts( sourceFile );
for ( File classFile : javaClasses )
{
processedFiles++;
if ( enhancer.enhanceJavaClass( classFile ) )
{
enhancedFiles++;
getLog().debug( String.format( "\"%s\" enhanced", classFile.getPath() ) );
//if ( sbtAnalysisProcessor.areClassFileTimestampsSupported() )
//{
analysis.updateClassFileTimestamp( classFile );
//}
}
else
{
getLog().debug( String.format( "\"%s\" skipped", classFile.getPath() ) );
}
}
}
}
}
if ( processedFiles > 0 )
{
getLog().info( String.format( "%d classes processed, %d enhanced", Integer.valueOf( processedFiles ),
Integer.valueOf( enhancedFiles ) ) );
}
else
{
getLog().info( "No classes to enhance" );
}
return enhancedFiles > 0;
}
private boolean enhanceTemplateClasses( long lastEnhanced, Analysis analysis, Play2JavaEnhancer enhancer ) throws Exception
{
File scannerBaseDir = new File( project.getBuild().getDirectory(), srcManagedDirectoryName ); // TODO-parametrize
if ( !scannerBaseDir.isDirectory() )
{
getLog().info( "No templates to enhance" );
return false;
}
DirectoryScanner scanner = new DirectoryScanner();
scanner.setBasedir( scannerBaseDir );
scanner.setIncludes( new String[] { "**/*.template.scala" } );
scanner.scan();
String[] scalaTemplateSources = scanner.getIncludedFiles();
int processedFiles = 0;
int enhancedFiles = 0;
if ( scalaTemplateSources.length > 0 )
{
for ( String source : scalaTemplateSources )
{
File sourceFile = new File( scannerBaseDir, source );
if ( analysis.getCompilationTime( sourceFile ) > lastEnhanced )
{
Set templateClasses = analysis.getProducts( sourceFile );
for ( File classFile : templateClasses )
{
processedFiles++;
if ( enhancer.enhanceTemplateClass( classFile ) )
{
enhancedFiles++;
getLog().debug( String.format( "\"%s\" enhanced", classFile.getPath() ) );
analysis.updateClassFileTimestamp( classFile );
}
else
{
getLog().debug( String.format( "\"%s\" skipped", classFile.getPath() ) );
}
}
}
}
}
if ( processedFiles > 0 )
{
getLog().info( String.format( "%d templates processed, %d enhanced", Integer.valueOf( processedFiles ),
Integer.valueOf( enhancedFiles ) ) );
}
else
{
getLog().info( "No templates to enhance" );
}
return enhancedFiles > 0;
}
private void synchronizeManagedClasses( Analysis analysis ) throws IOException
{
File managedSrcDir = new File( project.getBuild().getDirectory(), srcManagedDirectoryName );
if ( !managedSrcDir.isDirectory() )
{
return;
}
// Play 2.1.5 - PlayCommands.scala from line 371
// Play 2.2.0 - PlayCommands.scala from line 160
File managedClassesDir = new File( outputDirectory.getParentFile(), outputDirectory.getName() + "_managed" );
Set managedClassesSet = new HashSet();
if ( managedClassesDir.isDirectory() )
{
DirectoryScanner scanner = new DirectoryScanner();
scanner.setBasedir( managedClassesDir );
scanner.scan();
String[] managedClasses = scanner.getIncludedFiles();
managedClassesSet.addAll( Arrays.asList( managedClasses ) );
}
DirectoryScanner scanner = new DirectoryScanner();
scanner.setBasedir( managedSrcDir );
scanner.setIncludes( new String[] { "**/*.scala", "**/*.java" } );
scanner.scan();
String[] managedSources = scanner.getIncludedFiles();
if ( managedSources.length > 0 )
{
if ( !managedClassesDir.exists() )
{
if ( !managedClassesDir.mkdirs() )
{
// ??
}
}
}
for ( String source : managedSources )
{
File sourceFile = new File( managedSrcDir, source );
Set sourceProducts = analysis.getProducts( sourceFile );
// sbt.IO$.MODULE$.copy(ma byc Seq sourceProducts, sbt.IO$.MODULE$.copy$default$2(),
// sbt.IO$.MODULE$.copyDirectory$default$3());
// System.out.println("outdir: " + getOutputDirectory().getPath());
for ( File file : sourceProducts )
{
// System.out.println("path: " + file.getPath());
// String relativePath = PathTool.getRelativePath( getOutputDirectory().getPath(),
// file.getPath() );
String relativePath = file.getPath().substring( outputDirectory.getPath().length() );
if ( relativePath.startsWith( File.separator ) )
{
relativePath = relativePath.substring( 1 );
}
// System.out.println("product: " + relativePath);
File destinationFile = new File( managedClassesDir, relativePath );
FileUtils.copyFile( file, destinationFile );
managedClassesSet.remove( relativePath );
}
}
for ( String managedClassPath : managedClassesSet )
{
// System.out.println('*' + managedClsssPath);
File fileToDelete = new File( managedClassesDir, managedClassPath );
if ( !fileToDelete.delete() )
{
// ??
}
}
}
}
