/* Return the list of projects for which it requires a resource delta. This builder's project
* is implicitly included and need not be specified. Builders must re-specify the list
* of interesting projects every time they are run as this is not carried forward
* beyond the next build. Missing projects should be specified but will be ignored until
* they are added to the workspace.
*/
private IProject[] getRequiredProjects(boolean includeBinaryPrerequisites) {
if (this.javaProject == null || this.workspaceRoot == null) return new IProject[0];
ArrayList projects = new ArrayList();
ExternalFoldersManager externalFoldersManager = JavaModelManager.getExternalManager();
try {
IClasspathEntry[] entries = this.javaProject.getExpandedClasspath();
for (int i = 0, l = entries.length; i < l; i++) {
IClasspathEntry entry = entries[i];
IPath path = entry.getPath();
IProject p = null;
switch (entry.getEntryKind()) {
case IClasspathEntry.CPE_PROJECT:
p =
this.workspaceRoot.getProject(
path.lastSegment()); // missing projects are considered too
if (((ClasspathEntry) entry).isOptional()
&& !JavaProject.hasJavaNature(p)) // except if entry is optional
p = null;
break;
case IClasspathEntry.CPE_LIBRARY:
if (includeBinaryPrerequisites && path.segmentCount() > 0) {
// some binary resources on the class path can come from projects that are not
// included in the project references
IResource resource = this.workspaceRoot.findMember(path.segment(0));
if (resource instanceof IProject) {
p = (IProject) resource;
} else {
resource = externalFoldersManager.getFolder(path);
if (resource != null) p = resource.getProject();
}
}
}
if (p != null && !projects.contains(p)) projects.add(p);
}
} catch (JavaModelException e) {
return new IProject[0];
}
IProject[] result = new IProject[projects.size()];
projects.toArray(result);
return result;
}
private boolean isClasspathBroken(JavaProject jProj, boolean tryRepair) throws CoreException {
IMarker[] markers =
jProj
.getProject()
.findMarkers(IJavaModelMarker.BUILDPATH_PROBLEM_MARKER, false, IResource.DEPTH_ZERO);
for (int i = 0, l = markers.length; i < l; i++) {
if (markers[i].getAttribute(IMarker.SEVERITY, -1) == IMarker.SEVERITY_ERROR) {
if (tryRepair) {
Object code = markers[i].getAttribute(IJavaModelMarker.ID);
if (code instanceof Integer
&& ((Integer) code)
== IJavaModelStatusConstants.CP_INVALID_EXTERNAL_ANNOTATION_PATH) {
new ClasspathValidation(jProj).validate();
return isClasspathBroken(jProj, false);
}
}
return true;
}
}
return false;
}
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;
}