1 files changed, 43 insertions, 0 deletions
diff --git a/xml/xml-psi-impl/src/com/intellij/ide/highlighter/XmlLikeFileType.java b/xml/xml-psi-impl/src/com/intellij/ide/highlighter/XmlLikeFileType.java
new file mode 100644
index 000000000000..db8d1fa40b1e
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+++ b/xml/xml-psi-impl/src/com/intellij/ide/highlighter/XmlLikeFileType.java
@@ -0,0 +1,43 @@
+/*
+ * 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.
+ */
+package com.intellij.ide.highlighter;
+
+import com.intellij.lang.Language;
+import com.intellij.openapi.fileTypes.LanguageFileType;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.vfs.CharsetToolkit;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.util.text.XmlCharsetDetector;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.nio.charset.Charset;
+
+public abstract class XmlLikeFileType extends LanguageFileType {
+  public XmlLikeFileType(Language language) {
+    super(language);
+  }
+  public String getCharset(@NotNull VirtualFile file, final byte[] content) {
+    String charset = XmlCharsetDetector.extractXmlEncodingFromProlog(content);
+    return charset == null ? CharsetToolkit.UTF8 : charset;
+  }
+
+  public Charset extractCharsetFromFileContent(final Project project, @Nullable final VirtualFile file, @NotNull final String content) {
+    String name = XmlCharsetDetector.extractXmlEncodingFromProlog(content);
+    Charset charset = CharsetToolkit.forName(name);
+    return charset == null ? CharsetToolkit.UTF8_CHARSET : charset;
+  }
+}