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package org.netbeans.modules.scala.platform;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.CodeSource;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
import org.netbeans.api.java.classpath.ClassPath;
import org.netbeans.api.scala.platform.ScalaPlatform;
import org.netbeans.api.scala.platform.ScalaPlatformManager;
import org.netbeans.api.scala.platform.Specification;
import org.netbeans.spi.java.classpath.support.ClassPathSupport;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.modules.Dependency;
import org.openide.util.NbCollections;
/**
* Basic impl in case no other providers can be found.
* @author Jesse Glick
*/
public class FallbackDefaultScalaPlatform extends ScalaPlatform {
public FallbackDefaultScalaPlatform() {
setSystemProperties(NbCollections.checkedMapByFilter(System.getProperties(), String.class, String.class, false));
}
public String getDisplayName() {
return System.getProperty("java.vm.vendor") + " " + System.getProperty("java.vm.version"); // NOI18N
}
public Map<String,String> getProperties() {
return Collections.singletonMap(ScalaPlatformManager.SCALA_PLATFORM_PROP_ID, "default_platform");
}
private static ClassPath sysProp2CP(String propname) {
String sbcp = System.getProperty(propname);
if (sbcp == null) {
return null;
}
List<URL> roots = new ArrayList<URL>();
StringTokenizer tok = new StringTokenizer(sbcp, File.pathSeparator);
while (tok.hasMoreTokens()) {
File f = new File(tok.nextToken());
if (!f.exists()) {
continue;
}
URL u;
try {
u = f.toURI().toURL();
} catch (MalformedURLException x) {
throw new AssertionError(x);
}
if (FileUtil.isArchiveFile(u)) {
u = FileUtil.getArchiveRoot(u);
}
roots.add(u);
}
return ClassPathSupport.createClassPath(roots.toArray(new URL[roots.size()]));
}
private static ClassPath sampleClass2CP(Class prototype) {
CodeSource cs = prototype.getProtectionDomain().getCodeSource();
return ClassPathSupport.createClassPath(cs != null ? new URL[] {cs.getLocation()} : new URL[0]);
}
public ClassPath getBootstrapLibraries() {
// XXX ignore standard extensions etc.
ClassPath cp = sysProp2CP("sun.boot.class.path"); // NOI18N
return cp != null ? cp : sampleClass2CP(Object.class);
}
public ClassPath getStandardLibraries() {
ClassPath cp = sysProp2CP("java.class.path"); // NOI18N
return cp != null ? cp : sampleClass2CP(/* likely in startup CP */ Dependency.class);
}
public String getVendor() {
return System.getProperty("java.vm.vendor");
}
public Specification getSpecification() {
return new Specification(/*J2SEPlatformImpl.PLATFORM_J2SE*/"j2se", Dependency.JAVA_SPEC); // NOI18N
}
public Collection<FileObject> getInstallFolders() {
return Collections.singleton(FileUtil.toFileObject(new File(System.getProperty("scala.home")))); // NOI18N
}
public FileObject findTool(String toolName) {
return null; // XXX too complicated, probably unnecessary for this purpose
}
public ClassPath getSourceFolders() {
return ClassPathSupport.createClassPath(new URL[0]);
}
public List<URL> getJavadocFolders() {
return Collections.emptyList();
}
}