Merged path_fun_2008 branch.v20081125_postPathFunMerge

1 files changed, 164 insertions, 0 deletions

diff --git a/bundles/org.eclipse.equinox.frameworkadmin.equinox/src/org/eclipse/equinox/internal/frameworkadmin/equinox/ParserUtils.java b/bundles/org.eclipse.equinox.frameworkadmin.equinox/src/org/eclipse/equinox/internal/frameworkadmin/equinox/ParserUtils.java
new file mode 100644
index 000000000..a57f40c83
--- /dev/null
+++ b/bundles/org.eclipse.equinox.frameworkadmin.equinox/src/org/eclipse/equinox/internal/frameworkadmin/equinox/ParserUtils.java
@@ -0,0 +1,164 @@
+/*******************************************************************************
+ * Copyright (c) 2008 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.equinox.internal.frameworkadmin.equinox;
+
+import java.io.File;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.List;
+import org.eclipse.core.runtime.*;
+import org.eclipse.equinox.internal.frameworkadmin.equinox.utils.FileUtils;
+import org.eclipse.equinox.internal.provisional.frameworkadmin.LauncherData;
+import org.osgi.service.log.LogService;
+
+public class ParserUtils {
+	public static File getOSGiInstallArea(List programArgs, LauncherData launcherData) {
+		if (launcherData == null)
+			return null;
+
+		//TODO This is not enough because if you only have -startup then osgi.install.area from the config.ini is used
+		File result = getOSGiInstallArea(programArgs, launcherData.getLauncher().getParentFile().toURI());
+		if (result != null)
+			return result;
+
+		if (launcherData.getFwJar() != null)
+			return fromOSGiJarToOSGiInstallArea(launcherData.getFwJar().getAbsolutePath());
+		if (launcherData.getLauncher() != null)
+			return launcherData.getLauncher().getParentFile();
+		return null;
+	}
+
+	public static URI getFrameworkJar(List lines, URI launcherFolder) {
+		String fwk = ParserUtils.getValueForArgument(EquinoxConstants.OPTION_FW, lines);
+		if (fwk == null) {
+			//Search the file system using the default location
+			URI location = FileUtils.getEclipsePluginFullLocation(EquinoxConstants.FW_SYMBOLIC_NAME, new File(URIUtil.toFile(launcherFolder), EquinoxConstants.PLUGINS_DIR));
+			if (location != null)
+				return location;
+			return null;
+		}
+		try {
+			return URIUtil.makeAbsolute(URIUtil.fromString(fwk), launcherFolder);
+		} catch (URISyntaxException e) {
+			Log.log(LogService.LOG_ERROR, "can't make absolute of:" + fwk);
+			return null;
+		}
+	}
+
+	//This method should only be used to determine the osgi install area when reading the eclipse.ini
+	public static File getOSGiInstallArea(List args, URI base) {
+		if (args == null)
+			return null;
+		String install = getValueForArgument(EquinoxConstants.OPTION_INSTALL, args);
+		if (install != null)
+			return new File(install);
+		String startup = getValueForArgument(EquinoxConstants.OPTION_STARTUP, args);
+		if (startup != null) {
+			return URIUtil.toFile(URIUtil.makeAbsolute(fromOSGiJarToOSGiInstallArea(startup).toURI(), base));
+		}
+		return null;
+	}
+
+	private static File fromOSGiJarToOSGiInstallArea(String path) {
+		IPath parentFolder = new Path(path).removeLastSegments(1);
+		if (parentFolder.lastSegment().equalsIgnoreCase("plugins")) //$NON-NLS-1$
+			return parentFolder.removeLastSegments(1).toFile();
+		return parentFolder.toFile();
+	}
+
+	public static boolean isArgumentSet(String arg, List args) {
+		if (arg == null || args == null)
+			return false;
+		for (int i = 0; i < args.size(); i++) {
+			if (args.get(i) == null)
+				continue;
+			if (((String) args.get(i)).equalsIgnoreCase(arg)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public static String getValueForArgument(String arg, List args) {
+		if (arg == null || args == null)
+			return null;
+		for (int i = 0; i < args.size(); i++) {
+			if (args.get(i) == null)
+				continue;
+			if (((String) args.get(i)).equalsIgnoreCase(arg)) {
+				if (i + 1 < args.size() && args.get(i + 1) != null && ((String) args.get(i + 1)).charAt(1) != '-')
+					return (String) args.get(i + 1);
+			}
+		}
+		return null;
+	}
+
+	public static String[] getMultiValuedArgument(String arg, List args) {
+		if (arg == null || args == null)
+			return null;
+		ArrayList values = null;
+		for (int i = 0; i < args.size(); i++) {
+			if (args.get(i) == null)
+				continue;
+			if (arg.equalsIgnoreCase((String) args.get(i))) {
+				values = new ArrayList();
+				continue;
+			}
+			if (values != null && ((String) args.get(i)).charAt(1) == '-') {
+				break;
+			}
+			if (values != null)
+				values.add(((String) args.get(i)).trim());
+		}
+		if (values != null)
+			return (String[]) values.toArray(new String[values.size()]);
+		return null;
+	}
+
+	public static boolean setValueForArgument(String arg, String value, List args) {
+		if (arg == null || args == null)
+			return false;
+		for (int i = 0; i < args.size(); i++) {
+			if (args.get(i) == null)
+				continue;
+			String currentArg = ((String) args.get(i)).trim();
+			if (currentArg.equalsIgnoreCase(arg)) {
+				if (i + 1 < args.size() && args.get(i + 1) != null && ((String) args.get(i + 1)).charAt(1) != '-') {
+					args.set(i + 1, value);
+					return true;
+				}
+				break;
+			}
+		}
+		args.add(arg);
+		args.add(value);
+		return true;
+	}
+
+	public static boolean removeArgument(String arg, List args) {
+		if (arg == null || args == null)
+			return false;
+		for (int i = 0; i < args.size(); i++) {
+			if (args.get(i) == null)
+				continue;
+			String currentArg = ((String) args.get(i)).trim();
+			if (currentArg.equalsIgnoreCase(arg)) {
+				args.set(i, null);
+				while (i + 1 < args.size() && args.get(i + 1) != null && ((String) args.get(i + 1)).charAt(1) != '-') {
+					args.set(i + 1, null);
+					i++;
+				}
+			}
+		}
+		return false;
+	}
+}