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/*
* 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.
*/
package org.apache.felix.scrplugin.mojo;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.apache.felix.scrplugin.Log;
import org.apache.felix.scrplugin.Source;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.DirectoryScanner;
import org.codehaus.plexus.util.Scanner;
import org.sonatype.plexus.build.incremental.BuildContext;
public class MavenProjectScanner {
private enum ScanKind {
ADDED_OR_UPDATED, DELETED;
}
private final MavenProject project;
private final String includeString;
private final String excludeString;
private final boolean scanClasses;
private final Log log;
private final BuildContext buildContext;
public MavenProjectScanner( final BuildContext buildContext,
final MavenProject project,
final String includeString,
final String excludeString,
final boolean scanClasses,
final Log log) {
this.project = project;
this.includeString = includeString;
this.excludeString = excludeString;
this.scanClasses = scanClasses;
this.log = log;
this.buildContext = buildContext;
}
/**
* Return all sources.
*/
public Collection getSources() {
if ( scanClasses ) {
final ArrayList files = new ArrayList();
final DirectoryScanner scanner = new DirectoryScanner();
scanner.setBasedir(this.project.getBuild().getOutputDirectory());
if ( this.includeString != null ) {
scanner.setIncludes(this.includeString.split(","));
} else {
scanner.setIncludes(new String[] {"**/*.class"});
}
if ( this.excludeString != null ) {
scanner.setExcludes(this.excludeString.split(","));
}
scanner.addDefaultExcludes();
scanner.scan();
for ( final String fileName : scanner.getIncludedFiles() ) {
files.add( new Source() {
public File getFile() {
return new File(project.getBuild().getOutputDirectory(), fileName);
}
public String getClassName() {
// remove ".class"
String name = fileName.substring(0, fileName.length() - 6);
return name.replace(File.separatorChar, '/').replace('/', '.');
}
});
}
return files;
}
return getSourcesForScanKind(ScanKind.ADDED_OR_UPDATED);
}
private Collection getSourcesForScanKind(ScanKind scanKind)
throws AssertionError {
final ArrayList files = new ArrayList();
@SuppressWarnings("unchecked")
final Iterator i = project.getCompileSourceRoots().iterator();
// FELIX-509: check for excludes
String[] includes = new String[] { "**/*.java" };
if ( includeString != null ) {
includes = includeString.split( "," );
}
final String[] excludes;
if ( excludeString != null ) {
excludes = excludeString.split( "," );
} else {
excludes = null;
}
while ( i.hasNext() ) {
final String tree = i.next();
final File directory = new File( tree );
if ( !directory.exists() ) {
log.warn("Source tree does not exist. Ignoring " + tree);
continue;
}
log.debug( "Scanning source tree " + tree );
final Scanner scanner;
switch ( scanKind ) {
case ADDED_OR_UPDATED:
scanner = this.buildContext.newScanner(directory, false);
break;
case DELETED:
scanner = this.buildContext.newDeleteScanner(directory);
break;
default:
throw new AssertionError("Unhandled ScanKind " + scanKind);
}
if ( excludes != null && excludes.length > 0 ) {
scanner.setExcludes( excludes );
}
scanner.addDefaultExcludes();
scanner.setIncludes( includes );
scanner.scan();
for ( final String fileName : scanner.getIncludedFiles() ) {
files.add( new Source() {
public File getFile() {
return new File(directory, fileName);
}
public String getClassName() {
// remove ".java"
String name = fileName.substring(0, fileName.length() - 5);
return name.replace(File.separatorChar, '/').replace('/', '.');
}
});
}
}
return files;
}
/**
* Returns all sources which were deleted since the previous build
*
* @return the deleted sources
*/
public Collection getDeletedSources() {
return getSourcesForScanKind(ScanKind.DELETED);
}
/**
* Return all dependencies
*/
public List getDependencies() {
final ArrayList dependencies = new ArrayList();
@SuppressWarnings("unchecked")
final Iterator it = project.getArtifacts().iterator();
while ( it.hasNext() ) {
final Artifact declared = it.next();
this.log.debug( "Checking artifact " + declared );
if ( this.isJavaArtifact( declared ) ) {
if ( Artifact.SCOPE_COMPILE.equals( declared.getScope() )
|| Artifact.SCOPE_RUNTIME.equals( declared.getScope() )
|| Artifact.SCOPE_PROVIDED.equals( declared.getScope() )
|| Artifact.SCOPE_SYSTEM.equals( declared.getScope() ) ) {
this.log.debug( "Resolving artifact " + declared );
if ( declared.getFile() != null ) {
dependencies.add( declared.getFile() );
} else {
this.log.debug( "Unable to resolve artifact " + declared );
}
} else {
this.log.debug( "Artifact " + declared + " has not scope compile or runtime, but "
+ declared.getScope() );
}
} else {
this.log.debug( "Artifact " + declared + " is not a java artifact, type is " + declared.getType() );
}
}
return dependencies;
}
/**
* Check if the artifact is a java artifact (jar or bundle)
*/
private boolean isJavaArtifact( Artifact artifact ) {
if ( "jar".equals( artifact.getType() ) ) {
return true;
}
if ( "bundle".equals( artifact.getType() ) ) {
return true;
}
return false;
}
}
