1 files changed, 144 insertions, 0 deletions
diff --git a/src/installer/lombok/installer/eclipse/EclipseLocationProvider.java b/src/installer/lombok/installer/eclipse/EclipseLocationProvider.java
new file mode 100644
index 00000000..0cef59f4
--- /dev/null
+++ b/src/installer/lombok/installer/eclipse/EclipseLocationProvider.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.installer.eclipse;
+
+import static lombok.installer.IdeLocation.canonical;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.regex.Pattern;
+
+import lombok.installer.IdeLocation;
+import lombok.installer.IdeLocationProvider;
+import lombok.installer.CorruptedIdeLocationException;
+import lombok.installer.IdeFinder.OS;
+
+import org.mangosdk.spi.ProviderFor;
+
+@ProviderFor(IdeLocationProvider.class)
+public class EclipseLocationProvider implements IdeLocationProvider {
+	@Override public IdeLocation create(String path) throws CorruptedIdeLocationException {
+		return create0(path);
+	}
+	
+	private static final List<String> eclipseExecutableNames = Collections.unmodifiableList(Arrays.asList(
+			"eclipse.app", "eclipse.exe", "eclipse"));
+	
+	/**
+	 * Create a new EclipseLocation by pointing at either the directory contains the Eclipse executable, or the executable itself,
+	 * or an eclipse.ini file.
+	 * 
+	 * @throws NotAnIdeLocationException
+	 *             If this isn't an Eclipse executable or a directory with an
+	 *             Eclipse executable.
+	 */
+	static EclipseLocation create0(String path) throws CorruptedIdeLocationException {
+		if (path == null) throw new NullPointerException("path");
+		File p = new File(path);
+		
+		if (!p.exists()) return null;
+		if (p.isDirectory()) {
+			for (String possibleExeName : eclipseExecutableNames) {
+				File f = new File(p, possibleExeName);
+				if (f.exists()) return findEclipseIniFromExe(f, 0);
+			}
+			
+			File f = new File(p, "eclipse.ini");
+			if (f.exists()) return new EclipseLocation(canonical(p), f);
+		}
+		
+		if (p.isFile()) {
+			if (p.getName().equalsIgnoreCase("eclipse.ini")) {
+				return new EclipseLocation(canonical(p.getParentFile()), p);
+			}
+			
+			if (eclipseExecutableNames.contains(p.getName().toLowerCase())) {
+				return findEclipseIniFromExe(p, 0);
+			}
+		}
+		
+		return null;
+	}
+	
+	private static EclipseLocation findEclipseIniFromExe(File exePath, int loopCounter) throws CorruptedIdeLocationException {
+		/* Try looking for eclipse.ini as sibling to the executable */ {
+			File ini = new File(exePath.getParentFile(), "eclipse.ini");
+			if (ini.isFile()) return new EclipseLocation(canonical(exePath), ini);
+		}
+		
+		/* Try looking for Eclipse/app/Contents/MacOS/eclipse.ini as sibling to executable; this works on Mac OS X. */ {
+			File ini = new File(exePath.getParentFile(), "Eclipse.app/Contents/MacOS/eclipse.ini");
+			if (ini.isFile()) return new EclipseLocation(canonical(exePath), ini);
+		}
+		
+		/* If executable is a soft link, follow it and retry. */ {
+			if (loopCounter < 50) {
+				try {
+					String oPath = exePath.getAbsolutePath();
+					String nPath = exePath.getCanonicalPath();
+					if (!oPath.equals(nPath)) try {
+						EclipseLocation loc = findEclipseIniFromExe(new File(nPath), loopCounter + 1);
+						if (loc != null) return loc;
+					} catch (CorruptedIdeLocationException ignore) {
+						// Unlinking didn't help find an eclipse, so continue.
+					}
+				} catch (IOException ignore) { /* okay, that didn't work, assume it isn't a soft link then. */ }
+			}
+		}
+		
+		/* If executable is a linux LSB-style path, then look in the usual places that package managers like apt-get use.*/ {
+			String path = exePath.getAbsolutePath();
+			try {
+				path = exePath.getCanonicalPath();
+			} catch (IOException ignore) { /* We'll stick with getAbsolutePath()'s result then. */ }
+			
+			if (path.equals("/usr/bin/eclipse") || path.equals("/bin/eclipse") || path.equals("/usr/local/bin/eclipse")) {
+				File ini = new File("/usr/lib/eclipse/eclipse.ini");
+				if (ini.isFile()) return new EclipseLocation(path, ini);
+				ini = new File("/usr/local/lib/eclipse/eclipse.ini");
+				if (ini.isFile()) return new EclipseLocation(path, ini);
+				ini = new File("/usr/local/etc/eclipse/eclipse.ini");
+				if (ini.isFile()) return new EclipseLocation(path, ini);
+				ini = new File("/etc/eclipse.ini");
+				if (ini.isFile()) return new EclipseLocation(path, ini);
+			}
+		}
+		
+		/* If we get this far, we lose. */
+		return null;
+	}
+	
+	@Override public Pattern getLocationSelectors(OS os) {
+		switch (os) {
+		case MAC_OS_X:
+			return Pattern.compile("^(eclipse|eclipse\\.ini|eclipse\\.app)$", Pattern.CASE_INSENSITIVE);
+		case WINDOWS:
+			return Pattern.compile("^(eclipse\\.exe|eclipse\\.ini)$", Pattern.CASE_INSENSITIVE);
+		default:
+		case UNIX:
+			return Pattern.compile("^(eclipse|eclipse\\.ini)$", Pattern.CASE_INSENSITIVE);
+		}
+	}
+}