398523 : compute launch properties oncereleases/1.3/1.3.0.20130129-0926

Signed-off-by: Fred Bricon <fbricon@gmail.com>

1 files changed, 16 insertions, 11 deletions

diff --git a/org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenLaunchDelegate.java b/org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenLaunchDelegate.java
index 38dec65f..51cedc74 100644
--- a/org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenLaunchDelegate.java
+++ b/org.eclipse.m2e.launching/src/org/eclipse/m2e/internal/launch/MavenLaunchDelegate.java
@@ -71,11 +71,14 @@ public class MavenLaunchDelegate extends JavaLaunchDelegate implements MavenLaun
 
   private List<IMavenLaunchParticipant> participants;
 
+  private String programArguments;
+
   public void launch(ILaunchConfiguration configuration, String mode, ILaunch launch, IProgressMonitor monitor)
       throws CoreException {
     this.launch = launch;
     this.monitor = monitor;
     this.participants = getParticipants(configuration, launch);
+    this.programArguments = null;
 
     log.info("" + getWorkingDirectory(configuration)); //$NON-NLS-1$
     log.info(" mvn" + getProgramArguments(configuration)); //$NON-NLS-1$
@@ -159,19 +162,21 @@ public class MavenLaunchDelegate extends JavaLaunchDelegate implements MavenLaun
   }
 
   public String getProgramArguments(ILaunchConfiguration configuration) throws CoreException {
-    StringBuilder sb = new StringBuilder();
-    sb.append(getProperties(configuration));
-    sb.append(" ").append(getPreferences(configuration));
-    sb.append(" ").append(getGoals(configuration));
-
-    for(IMavenLaunchParticipant participant : participants) {
-      String programArguments = participant.getProgramArguments(configuration, launch, monitor);
-      if(programArguments != null) {
-        sb.append(" ").append(programArguments);
+    if(programArguments == null) {
+      StringBuilder sb = new StringBuilder();
+      sb.append(getProperties(configuration));
+      sb.append(" ").append(getPreferences(configuration));
+      sb.append(" ").append(getGoals(configuration));
+
+      for(IMavenLaunchParticipant participant : participants) {
+        String programArguments = participant.getProgramArguments(configuration, launch, monitor);
+        if(programArguments != null) {
+          sb.append(" ").append(programArguments);
+        }
       }
+      programArguments = sb.toString();
     }
-
-    return sb.toString();
+    return programArguments;
   }
 
   public String getVMArguments(ILaunchConfiguration configuration) throws CoreException {