[429245] Support for conditional task execution

https://bugs.eclipse.org/bugs/show_bug.cgi?id=429245

1 files changed, 33 insertions, 0 deletions

diff --git a/plugins/org.eclipse.oomph.util/src/org/eclipse/oomph/util/OS.java b/plugins/org.eclipse.oomph.util/src/org/eclipse/oomph/util/OS.java
index 1e56cd7dd..b3fb6e2b2 100644
--- a/plugins/org.eclipse.oomph.util/src/org/eclipse/oomph/util/OS.java
+++ b/plugins/org.eclipse.oomph.util/src/org/eclipse/oomph/util/OS.java
@@ -23,6 +23,7 @@ import java.io.IOException;
 import java.lang.reflect.Method;
 import java.net.URI;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -32,6 +33,8 @@ public abstract class OS
 {
   public static final OS INSTANCE = create();
 
+  public static final List<OS> INSTANCES = createAll();
+
   private final String osgiOS;
 
   private final String osgiWS;
@@ -90,6 +93,17 @@ public abstract class OS
     return true;
   }
 
+  public int getBitness()
+  {
+    String osgiArch = getOsgiArch();
+    if (Platform.ARCH_IA64_32.equals(osgiArch) || Platform.ARCH_X86.equals(osgiArch))
+    {
+      return 32;
+    }
+
+    return 64;
+  }
+
   public boolean isLineEndingConversionNeeded()
   {
     return false;
@@ -257,6 +271,25 @@ public abstract class OS
     throw new IllegalStateException("Operating system not supported: " + os);
   }
 
+  private static List<OS> createAll()
+  {
+    List<OS> result = new ArrayList<OS>();
+
+    result.add(Win64.INSTANCE);
+    result.add(Win32.INSTANCE);
+    result.add(new Mac(Platform.WS_COCOA, Platform.ARCH_X86_64));
+    result.add(new Linux(Platform.WS_GTK, Platform.ARCH_X86_64));
+    result.add(new Linux(Platform.WS_GTK, Platform.ARCH_X86));
+
+    return Collections.unmodifiableList(result);
+  }
+
+  @Override
+  public String toString()
+  {
+    return getOsgiOS() + " " + getOsgiWS() + " " + getOsgiArch();
+  }
+
   /**
    * @author Eike Stepper
    */