com.ibm.wala.eclipse/src/com/ibm/wala/eclipse/headless/HeadlessUtil.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007 IBM Corporation.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package com.ibm.wala.eclipse.headless;
  12
  13 import java.util.Properties;
  14
  15 import org.eclipse.core.resources.IProject;
  16 import org.eclipse.core.resources.IWorkspaceRoot;
  17 import org.eclipse.core.resources.ResourcesPlugin;
  18 import org.eclipse.core.runtime.IPath;
  19 import org.eclipse.jdt.core.IJavaProject;
  20 import org.eclipse.jdt.core.JavaCore;
  21 import org.eclipse.jdt.internal.core.JavaProject;
  22
  23 import com.ibm.wala.eclipse.util.EclipseProjectPath;
  24 import com.ibm.wala.ipa.callgraph.AnalysisScope;
  25 import com.ibm.wala.util.debug.Assertions;
  26 import com.ibm.wala.util.io.CommandLine;
  27 import com.ibm.wala.util.warnings.WalaException;
  28
  29 public class HeadlessUtil {
  30
  31   /**
  32    * create a Properties object representing the properties set by the command
  33    * line args. if args[i] is "-foo" and args[i+1] is "bar", then the result
  34    * will define a property with key "foo" and value "bar"
  35    *
  36    * @throws WalaException
  37    */
  38   public static Properties parseCommandLine(String[] cmdLine) {
  39     Properties p = null;
  40     assert cmdLine[0].equals("-pdelaunch");
  41     String[] x = new String[cmdLine.length - 1];
  42     System.arraycopy(cmdLine, 1, x, 0, x.length);
  43     try {
  44       p = CommandLine.parse(x);
  45     } catch (WalaException e) {
  46       e.printStackTrace();
  47       System.err.println("Length " + x.length);
  48       for (String s : x) {
  49         System.err.println(s);
  50       }
  51       Assertions.UNREACHABLE();
  52     }
  53     return p;
  54   }
  55
  56   /**
  57    * compute the analysis scope for a project in the current workspace
  58    */
  59   public static AnalysisScope computeScope(String projectName) {
  60     IJavaProject jp = getProjectFromWorkspace(projectName);
  61     IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
  62     EclipseProjectPath path = EclipseProjectPath.make(workspaceRoot.getLocation(), jp);
  63     return path.toAnalysisScope(null);
  64   }
  65
  66   @SuppressWarnings("restriction")
  67   private static IJavaProject getProjectFromWorkspace(String projectName) {
  68     IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
  69     IPath workspaceRootPath = workspaceRoot.getLocation();
  70     System.out.println("workspace: " + workspaceRootPath.toOSString());
  71
  72     for (IProject p : workspaceRoot.getProjects()) {
  73       if (JavaProject.hasJavaNature(p)) {
  74         IJavaProject jp = JavaCore.create(p);
  75         if (jp != null && jp.getElementName().equals(projectName)) {
  76           return jp;
  77         }
  78       }
  79     }
  80     Assertions.UNREACHABLE();
  81     return null;
  82   }
  83
  84 }