platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightInfoHolder.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /**
  18  * @author Alexey
  19  */
  20 package com.intellij.codeInsight.daemon.impl.analysis;
  21
  22 import com.intellij.codeInsight.daemon.impl.HighlightInfo;
  23 import com.intellij.codeInsight.daemon.impl.HighlightInfoFilter;
  24 import com.intellij.lang.annotation.HighlightSeverity;
  25 import com.intellij.openapi.diagnostic.Logger;
  26 import com.intellij.psi.PsiFile;
  27 import org.jetbrains.annotations.NotNull;
  28 import org.jetbrains.annotations.Nullable;
  29
  30 import java.util.ArrayList;
  31 import java.util.Collection;
  32 import java.util.List;
  33
  34 public class HighlightInfoHolder {
  35   private static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.daemon.impl.analysis.HighlightInfoHolder");
  36
  37   private final PsiFile myContextFile;
  38   private final HighlightInfoFilter[] myFilters;
  39   private int myErrorCount;
  40   private int myWarningCount;
  41   private int myInfoCount;
  42   private final List<HighlightInfo> myInfos = new ArrayList<HighlightInfo>(5);
  43
  44   public HighlightInfoHolder(@NotNull PsiFile contextFile, @NotNull HighlightInfoFilter... filters) {
  45     myContextFile = contextFile;
  46     myFilters = filters;
  47   }
  48
  49   public boolean add(@Nullable HighlightInfo info) {
  50     if (info == null || !accepted(info)) return false;
  51
  52     HighlightSeverity severity = info.getSeverity();
  53     if (severity == HighlightSeverity.ERROR) {
  54       myErrorCount++;
  55     }
  56     else if (severity == HighlightSeverity.WARNING) {
  57       myWarningCount++;
  58     }
  59     else if (severity == HighlightSeverity.INFORMATION) {
  60       myInfoCount++;
  61     }
  62
  63     return myInfos.add(info);
  64   }
  65
  66   private boolean accepted(HighlightInfo info) {
  67     for (HighlightInfoFilter filter : myFilters) {
  68       if (!filter.accept(info, myContextFile)) return false;
  69     }
  70     return true;
  71   }
  72
  73   public void clear() {
  74     myErrorCount = 0;
  75     myWarningCount = 0;
  76     myInfoCount = 0;
  77     myInfos.clear();
  78   }
  79
  80   public boolean hasErrorResults() {
  81     return myErrorCount != 0;
  82   }
  83
  84   public boolean hasInfoResults() {
  85     return myInfoCount != 0;
  86   }
  87
  88   public boolean hasWarningResults() {
  89     return myWarningCount != 0;
  90   }
  91
  92   public int getErrorCount() {
  93     return myErrorCount;
  94   }
  95
  96   public boolean addAll(Collection<? extends HighlightInfo> highlightInfos) {
  97     if (highlightInfos == null) return false;
  98     LOG.assertTrue(highlightInfos != this);
  99     boolean added = false;
 100     for (final HighlightInfo highlightInfo : highlightInfos) {
 101       added |= add(highlightInfo);
 102     }
 103     return added;
 104   }
 105
 106   public int size() {
 107     return myInfos.size();
 108   }
 109
 110   public HighlightInfo get(final int i) {
 111     return myInfos.get(i);
 112   }
 113 }