Exemplo n.º 1
0
  private boolean isWorthBuilding() throws CoreException {
    boolean abortBuilds =
        JavaCore.ABORT.equals(
            this.javaProject.getOption(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH, true));
    if (!abortBuilds) {
      if (DEBUG) System.out.println("JavaBuilder: Ignoring invalid classpath"); // $NON-NLS-1$
      return true;
    }

    // Abort build only if there are classpath errors
    if (isClasspathBroken(this.javaProject, true)) {
      if (DEBUG)
        System.out.println(
            "JavaBuilder: Aborted build because project has classpath errors (incomplete or involved in cycle)"); //$NON-NLS-1$

      removeProblemsAndTasksFor(this.currentProject); // remove all compilation problems

      IMarker marker = this.currentProject.createMarker(IJavaModelMarker.JAVA_MODEL_PROBLEM_MARKER);
      marker.setAttributes(
          new String[] {
            IMarker.MESSAGE, IMarker.SEVERITY, IJavaModelMarker.CATEGORY_ID, IMarker.SOURCE_ID
          },
          new Object[] {
            Messages.build_abortDueToClasspathProblems,
            new Integer(IMarker.SEVERITY_ERROR),
            new Integer(CategorizedProblem.CAT_BUILDPATH),
            JavaBuilder.SOURCE_ID
          });
      return false;
    }

    if (JavaCore.WARNING.equals(
        this.javaProject.getOption(JavaCore.CORE_INCOMPLETE_CLASSPATH, true))) return true;

    // make sure all prereq projects have valid build states... only when aborting builds since
    // projects in cycles do not have build states
    // except for projects involved in a 'warning' cycle (see below)
    IProject[] requiredProjects = getRequiredProjects(false);
    for (int i = 0, l = requiredProjects.length; i < l; i++) {
      IProject p = requiredProjects[i];
      if (getLastState(p) == null) {
        // The prereq project has no build state: if this prereq project has a 'warning' cycle
        // marker then allow build (see bug id 23357)
        JavaProject prereq = (JavaProject) JavaCore.create(p);
        if (prereq.hasCycleMarker()
            && JavaCore.WARNING.equals(
                this.javaProject.getOption(JavaCore.CORE_CIRCULAR_CLASSPATH, true))) {
          if (DEBUG)
            System.out.println(
                "JavaBuilder: Continued to build even though prereq project "
                    + p.getName() // $NON-NLS-1$
                    + " was not built since its part of a cycle"); //$NON-NLS-1$
          continue;
        }
        if (!hasJavaBuilder(p)) {
          if (DEBUG)
            System.out.println(
                "JavaBuilder: Continued to build even though prereq project "
                    + p.getName() // $NON-NLS-1$
                    + " is not built by JavaBuilder"); //$NON-NLS-1$
          continue;
        }
        if (DEBUG)
          System.out.println(
              "JavaBuilder: Aborted build because prereq project "
                  + p.getName() // $NON-NLS-1$
                  + " was not built"); //$NON-NLS-1$

        removeProblemsAndTasksFor(
            this.currentProject); // make this the only problem for this project
        IMarker marker =
            this.currentProject.createMarker(IJavaModelMarker.JAVA_MODEL_PROBLEM_MARKER);
        marker.setAttributes(
            new String[] {
              IMarker.MESSAGE, IMarker.SEVERITY, IJavaModelMarker.CATEGORY_ID, IMarker.SOURCE_ID
            },
            new Object[] {
              isClasspathBroken(prereq, true)
                  ? Messages.bind(Messages.build_prereqProjectHasClasspathProblems, p.getName())
                  : Messages.bind(Messages.build_prereqProjectMustBeRebuilt, p.getName()),
              new Integer(IMarker.SEVERITY_ERROR),
              new Integer(CategorizedProblem.CAT_BUILDPATH),
              JavaBuilder.SOURCE_ID
            });
        return false;
      }
    }
    return true;
  }