NPE fix
[fedora-idea.git] / xml / impl / src / com / intellij / xml / util / XmlIconProvider.java
blobe2dfba741e076d217aacac58f4a60f2f2f948d1a
1 /*
2 * Copyright 2000-2009 JetBrains s.r.o.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package com.intellij.xml.util;
18 import com.intellij.ide.IconProvider;
19 import com.intellij.openapi.project.DumbAware;
20 import com.intellij.openapi.util.IconLoader;
21 import com.intellij.openapi.vfs.VirtualFile;
22 import com.intellij.psi.PsiElement;
23 import com.intellij.psi.xml.XmlFile;
24 import org.jetbrains.annotations.NonNls;
25 import org.jetbrains.annotations.NotNull;
26 import org.jetbrains.annotations.Nullable;
28 import javax.swing.*;
30 /**
31 * @author peter
33 public class XmlIconProvider extends IconProvider implements DumbAware {
34 private static final Icon ourXsdIcon = IconLoader.getIcon("/fileTypes/xsdFile.png");
35 private static final Icon ourWsdlIcon = IconLoader.getIcon("/fileTypes/wsdlFile.png");
36 @NonNls private static final String XSD_FILE_EXTENSION = "xsd";
37 @NonNls private static final String WSDL_FILE_EXTENSION = "wsdl";
39 @Nullable
40 public Icon getIcon(@NotNull final PsiElement element, final int flags) {
41 if (element instanceof XmlFile) {
42 final VirtualFile vf = ((XmlFile)element).getVirtualFile();
43 if (vf != null) {
44 final String extension = vf.getExtension();
45 if (XSD_FILE_EXTENSION.equals(extension)) return ourXsdIcon;
46 if (WSDL_FILE_EXTENSION.equals(extension)) return ourWsdlIcon;
49 return null;