/*
* Copyright Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the authors tag. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License version 2.
*
* This particular file is subject to the "Classpath" exception as provided in the
* LICENSE file that accompanied this code.
*
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
* You should have received a copy of the GNU General Public License,
* along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package com.redhat.ceylon.ant;
import java.io.File;
import java.net.URI;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.Set;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.ProjectComponent;
import org.apache.tools.ant.types.FileSet;
import com.redhat.ceylon.ant.ModuleDescriptorReader.NoSuchModuleException;
import com.redhat.ceylon.common.Constants;
import com.redhat.ceylon.launcher.CeylonClassLoader;
import com.redhat.ceylon.launcher.ClassLoaderSetupException;
/**
* Generates a set of modules by scanning a source directory for ceylon modules.
* {@code <sourcemodules>} is supported as a subelement of {@code <moduleset>}.
*/
public class SourceModules extends ProjectComponent {
private File dir;
public void setDir(File dir) {
this.dir = dir;
}
// TODO filters by module name, supported backends (transitive)
public Set<Module> getModules() {
if (this.dir == null) {
this.dir = getProject().resolveFile(Constants.DEFAULT_SOURCE_DIR);
}
FileSet fs = new FileSet();
fs.setDir(this.dir);
// TODO Handle default module
fs.setIncludes("**/" + Constants.MODULE_DESCRIPTOR);
DirectoryScanner ds = fs.getDirectoryScanner(getProject());
String[] files = ds.getIncludedFiles();
log("<sourcemodules> found files " + Arrays.toString(files), Project.MSG_VERBOSE);
URI base = dir.toURI();
LinkedHashSet<Module> result = new LinkedHashSet<Module>();
try{
CeylonClassLoader loader = Util.getCeylonClassLoaderCachedInProject(getProject());
for (String file : files) {
URI uri = new File(this.dir, file).getParentFile().toURI();
log("<sourcemodules> file " + file + "=> uri " + uri, Project.MSG_VERBOSE);
String moduleName = base.relativize(uri).getPath().replace('/', '.');
if (moduleName.endsWith(".")) {
moduleName = moduleName.substring(0, moduleName.length()-1);
}
log("<sourcemodules> file " + file + "=> moduleName " + moduleName, Project.MSG_VERBOSE);
Module mav = new Module();
mav.setName(moduleName);
String version;
try {
version = new ModuleDescriptorReader(loader, mav.getName(), dir).getModuleVersion();
} catch (NoSuchModuleException e) {
log("<sourcemodules> file " + file + "=> module cannot be read: " + moduleName, Project.MSG_VERBOSE);
// skip it
continue;
}
log("<sourcemodules> file " + file + "=> module " + moduleName+"/"+version, Project.MSG_VERBOSE);
mav.setVersion(version);
result.add(mav);
}
}catch(ClassLoaderSetupException x){
log("failed to set up Ceylon classloader: could not load module set", Project.MSG_VERBOSE);
}
return result;
}
}