RUBY-5332 Enable "Lossy encoding" inspection in platform

java/java-impl/src/com/intellij/codeInspection/LossyEncodingInspection.java

@@ -1,142 +0,0 @@
-/*
- * Copyright 2000-2009 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * Created by IntelliJ IDEA.
- * User: cdr
- * Date: Aug 6, 2007
- * Time: 3:09:55 PM
- */
-package com.intellij.codeInspection;
-
-import com.intellij.codeInsight.daemon.GroupNames;
-import com.intellij.ide.DataManager;
-import com.intellij.lang.properties.charset.Native2AsciiCharset;
-import com.intellij.openapi.actionSystem.DataContext;
-import com.intellij.openapi.actionSystem.DefaultActionGroup;
-import com.intellij.openapi.fileEditor.impl.LoadTextUtil;
-import com.intellij.openapi.project.Project;
-import com.intellij.openapi.ui.popup.JBPopupFactory;
-import com.intellij.openapi.util.TextRange;
-import com.intellij.openapi.vfs.VirtualFile;
-import com.intellij.openapi.vfs.encoding.ChooseFileEncodingAction;
-import com.intellij.openapi.vfs.encoding.EncodingManager;
-import com.intellij.psi.PsiFile;
-import com.intellij.util.ArrayUtil;
-import com.intellij.util.SmartList;
-import org.jetbrains.annotations.Nls;
-import org.jetbrains.annotations.NonNls;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
-import java.nio.charset.Charset;
-import java.util.List;
-
-public class LossyEncodingInspection extends BaseJavaLocalInspectionTool {
-  private static final LocalQuickFix CHANGE_ENCODING_FIX = new LocalQuickFix() {
-    @NotNull
-    @Override
-    public String getName() {
-      return "Change file encoding";
-    }
-
-    @NotNull
-    @Override
-    public String getFamilyName() {
-      return getName();
-    }
-
-    @Override
-    public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
-      PsiFile psiFile = descriptor.getPsiElement().getContainingFile();
-      VirtualFile virtualFile = psiFile.getVirtualFile();
-      ChooseFileEncodingAction action = new ChooseFileEncodingAction(virtualFile) {
-        @Override
-        protected void chosen(VirtualFile virtualFile, Charset charset) {
-          if (virtualFile != null) {
-            EncodingManager.getInstance().setEncoding(virtualFile, charset);
-          }
-        }
-      };
-      DefaultActionGroup group = action.createGroup(false);
-      DataContext dataContext = DataManager.getInstance().getDataContext();
-      JBPopupFactory.getInstance().createActionGroupPopup(null, group, dataContext, false, false, false, null, 30, null).showInBestPositionFor(dataContext);
-    }
-  };
-
-  @Nls
-  @NotNull
-  public String getGroupDisplayName() {
-    return GroupNames.INTERNATIONALIZATION_GROUP_NAME;
-  }
-
-  @Nls
-  @NotNull
-  public String getDisplayName() {
-    return InspectionsBundle.message("lossy.encoding");
-  }
-
-  @NonNls
-  @NotNull
-  public String getShortName() {
-    return "LossyEncoding";
-  }
-
-  @Nullable
-  public ProblemDescriptor[] checkFile(@NotNull PsiFile file, @NotNull InspectionManager manager, boolean isOnTheFly) {
-    if (ArrayUtil.find(file.getPsiRoots(), file) != 0) return null;
-    VirtualFile virtualFile = file.getVirtualFile();
-    if (virtualFile == null) return null;
-    String text = file.getText();
-    Charset charset = LoadTextUtil.extractCharsetFromFileContent(file.getProject(), virtualFile, text);
-
-    // no sense in checking transparently decoded file: all characters there are already safely encoded
-    if (charset instanceof Native2AsciiCharset) return null;
-
-    int errorCount = 0;
-    int start = -1;
-    List<ProblemDescriptor> descriptors = new SmartList<ProblemDescriptor>();
-    for (int i = 0; i <= text.length(); i++) {
-      char c = i == text.length() ? 0 : text.charAt(i);
-      if (i == text.length() || isRepresentable(c, charset)) {
-        if (start != -1) {
-          TextRange range = new TextRange(start, i);
-          String message = InspectionsBundle.message("unsupported.character.for.the.charset", charset);
-          ProblemDescriptor descriptor = manager.createProblemDescriptor(file, range, message, ProblemHighlightType.GENERIC_ERROR_OR_WARNING, isOnTheFly,
-                                                                         CHANGE_ENCODING_FIX);
-          descriptors.add(descriptor);
-          start = -1;
-          //do not report too many errors
-          if (errorCount++ > 200) break;
-        }
-      }
-      else if (start == -1) {
-        start = i;
-      }
-    }
-
-    return descriptors.toArray(new ProblemDescriptor[descriptors.size()]);
-  }
-
-  private static boolean isRepresentable(final char c, final Charset charset) {
-    String str = Character.toString(c);
-    ByteBuffer out = charset.encode(str);
-    CharBuffer buffer = charset.decode(out);
-    return str.equals(buffer.toString());
-  }
-}

java/java-impl/src/com/intellij/codeInspection/ex/StandardInspectionToolsProvider.java

@@ -108,7 +108,6 @@ public class StandardInspectionToolsProvider implements InspectionToolProvider {
       UncheckedWarningLocalInspection.class,
       SuspiciousNameCombinationInspection.class,
       DuplicateThrowsInspection.class,
-      LossyEncodingInspection.class,
 
       FieldAccessNotGuardedInspection.class,
       InstanceGuardedByStaticInspection.class,