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package lombok.installer;
import static java.util.Arrays.asList;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URLDecoder;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import lombok.Lombok;
public class EclipseFinder {
public static File findOurJar() {
try {
URI uri = EclipseFinder.class.getResource("/" + EclipseFinder.class.getName().replace('.', '/') + ".class").toURI();
Pattern p = Pattern.compile("^jar:file:([^\\!]+)\\!.*\\.class$");
System.out.println(uri.toString());
Matcher m = p.matcher(uri.toString());
if ( !m.matches() ) return new File("lombok.jar");
String rawUri = m.group(1);
return new File(URLDecoder.decode(rawUri, Charset.defaultCharset().name()));
} catch ( Exception e ) {
throw Lombok.sneakyThrow(e);
}
}
public static List<String> getDrivesOnWindows() throws IOException {
ProcessBuilder builder = new ProcessBuilder("c:\\windows\\system32\\fsutil.exe", "fsinfo", "drives");
builder.redirectErrorStream(true);
Process process = builder.start();
InputStream in = process.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in, "ISO-8859-1"));
List<String> drives = new ArrayList<String>();
String line;
while ( (line = br.readLine()) != null ) {
if ( line.startsWith("Drives: ") ) {
line = line.substring(8);
for ( String driveLetter : line.split("\\:\\\\\\s*") ) drives.add(driveLetter.trim());
}
}
Iterator<String> it = drives.iterator();
while ( it.hasNext() ) {
if ( !isLocalDriveOnWindows(it.next()) ) it.remove();
}
return drives;
}
public static boolean isLocalDriveOnWindows(String driveLetter) {
if ( driveLetter == null || driveLetter.length() == 0 ) return false;
try {
ProcessBuilder builder = new ProcessBuilder("c:\\windows\\system32\\fsutil.exe", "fsinfo", "drivetype", driveLetter + ":");
builder.redirectErrorStream(true);
Process process = builder.start();
InputStream in = process.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in, "ISO-8859-1"));
String line;
while ( (line = br.readLine()) != null ) {
if ( line.substring(5).equalsIgnoreCase("Fixed Drive") ) return true;
}
return false;
} catch ( Exception e ) {
return false;
}
}
public static List<String> findEclipseOnWindows() {
List<String> eclipses = new ArrayList<String>();
List<String> driveLetters = asList("C");
try {
driveLetters = getDrivesOnWindows();
} catch ( IOException ignore ) {}
for ( String letter : driveLetters ) {
File f = new File(letter + ":\\");
for ( File dir : f.listFiles() ) {
if ( !dir.isDirectory() ) continue;
if ( dir.getName().toLowerCase().contains("eclipse") ) {
String eclipseLocation = findEclipseOnWindows1(dir);
if ( eclipseLocation != null ) eclipses.add(eclipseLocation);
}
if ( dir.getName().toLowerCase().contains("program files") ) {
for ( File dir2 : dir.listFiles() ) {
if ( !dir2.isDirectory() ) continue;
if ( dir.getName().toLowerCase().contains("eclipse") ) {
String eclipseLocation = findEclipseOnWindows1(dir);
if ( eclipseLocation != null ) eclipses.add(eclipseLocation);
}
}
}
}
}
return eclipses;
}
private static String findEclipseOnWindows1(File dir) {
if ( new File(dir, "eclipse.exe").isFile() ) return dir.toString();
return null;
}
public static void main(String[] args) throws Exception {
System.out.println(findEclipses());
}
public static List<String> findEclipses() {
String prop = System.getProperty("os.name", "");
if ( prop.equalsIgnoreCase("Mac OS X") ) return findEclipseOnMac();
if ( prop.equalsIgnoreCase("Windows XP") ) return findEclipseOnWindows();
return null;
}
public static String getEclipseExecutableName() {
String prop = System.getProperty("os.name", "");
if ( prop.equalsIgnoreCase("Mac OS X") ) return "Eclipse.app";
if ( prop.equalsIgnoreCase("Windows XP") ) return "eclipse.exe";
return "eclipse";
}
public static List<String> findEclipseOnMac() {
List<String> eclipses = new ArrayList<String>();
for ( File dir : new File("/Applications").listFiles() ) {
if ( dir.getName().toLowerCase().contains("eclipse") ) {
if ( new File(dir, "Eclipse.app").exists() ) eclipses.add(dir.toString());
}
}
return eclipses;
}
}
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