| /* |
| * Copyright 2000-2014 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.icons.AllIcons; |
| import com.intellij.ide.IdeBundle; |
| import com.intellij.lang.Language; |
| import com.intellij.lang.html.HTMLLanguage; |
| 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 com.intellij.xml.util.HtmlUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.io.UnsupportedEncodingException; |
| import java.nio.charset.Charset; |
| |
| public class HtmlFileType extends XmlLikeFileType { |
| @NonNls public static final String DOT_DEFAULT_EXTENSION = ".html"; |
| |
| public static final HtmlFileType INSTANCE = new HtmlFileType(); |
| |
| private HtmlFileType() { |
| super(HTMLLanguage.INSTANCE); |
| } |
| |
| HtmlFileType(Language language) { |
| super(language); |
| } |
| |
| @Override |
| @NotNull |
| public String getName() { |
| return "HTML"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDescription() { |
| return IdeBundle.message("filetype.description.html"); |
| } |
| |
| @Override |
| @NotNull |
| public String getDefaultExtension() { |
| return "html"; |
| } |
| |
| @Override |
| public Icon getIcon() { |
| return AllIcons.FileTypes.Html; |
| } |
| |
| @Override |
| public String getCharset(@NotNull final VirtualFile file, @NotNull final byte[] content) { |
| String charset = XmlCharsetDetector.extractXmlEncodingFromProlog(content); |
| if (charset != null) return charset; |
| @NonNls String strContent; |
| try { |
| strContent = new String(content, "ISO-8859-1"); |
| } |
| catch (UnsupportedEncodingException e) { |
| return null; |
| } |
| Charset c = HtmlUtil.detectCharsetFromMetaTag(strContent); |
| return c == null ? null : c.name(); |
| } |
| |
| @Override |
| public Charset extractCharsetFromFileContent(@Nullable final Project project, @Nullable final VirtualFile file, @NotNull final String content) { |
| String name = XmlCharsetDetector.extractXmlEncodingFromProlog(content); |
| Charset charset = CharsetToolkit.forName(name); |
| |
| if (charset != null) { |
| return charset; |
| } |
| return HtmlUtil.detectCharsetFromMetaTag(content); |
| } |
| } |