java/idea-ui/src/com/intellij/openapi/roots/ui/configuration/projectRoot/daemon/ProjectStructureProblemsHolderImpl.java

   1 package com.intellij.openapi.roots.ui.configuration.projectRoot.daemon;
   2
   3 import com.intellij.util.SmartList;
   4 import com.intellij.util.StringBuilderSpinAllocator;
   5 import org.jetbrains.annotations.NotNull;
   6 import org.jetbrains.annotations.Nullable;
   7
   8 import java.util.List;
   9
  10 /**
  11  * @author nik
  12  */
  13 public class ProjectStructureProblemsHolderImpl implements ProjectStructureProblemsHolder {
  14   private List<ProjectStructureProblemDescription> myProblemDescriptions;
  15
  16   public void registerError(@NotNull String message) {
  17     registerProblem(new ProjectStructureProblemDescription(message, ProjectStructureProblemDescription.Severity.ERROR));
  18   }
  19
  20   public void registerWarning(@NotNull String message) {
  21     registerProblem(new ProjectStructureProblemDescription(message, ProjectStructureProblemDescription.Severity.WARNING));
  22   }
  23
  24   public void registerProblem(final @NotNull ProjectStructureProblemDescription description) {
  25     if (myProblemDescriptions == null) {
  26       myProblemDescriptions = new SmartList<ProjectStructureProblemDescription>();
  27     }
  28     myProblemDescriptions.add(description);
  29   }
  30
  31   @Nullable
  32   public ProjectStructureProblemDescription.Severity getSeverity() {
  33     if (myProblemDescriptions == null || myProblemDescriptions.isEmpty()) {
  34       return null;
  35     }
  36     for (ProjectStructureProblemDescription description : myProblemDescriptions) {
  37       if (description.getSeverity() == ProjectStructureProblemDescription.Severity.ERROR) {
  38         return ProjectStructureProblemDescription.Severity.ERROR;
  39       }
  40     }
  41     return ProjectStructureProblemDescription.Severity.WARNING;
  42   }
  43
  44   public String composeTooltipMessage() {
  45     final StringBuilder buf = StringBuilderSpinAllocator.alloc();
  46     try {
  47       buf.append("<html><body>");
  48       if (myProblemDescriptions != null) {
  49         for (ProjectStructureProblemDescription problemDescription : myProblemDescriptions) {
  50           buf.append(problemDescription.getMessage()).append("<br>");
  51         }
  52       }
  53       buf.append("</body></html>");
  54       return buf.toString();
  55     }
  56     finally {
  57       StringBuilderSpinAllocator.dispose(buf);
  58     }
  59   }
  60
  61   @Nullable
  62   public List<ProjectStructureProblemDescription> getProblemDescriptions() {
  63     return myProblemDescriptions;
  64   }
  65 }