| /* |
| * 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.openapi.application.ex; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.util.io.URLUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class DecodeDefaultsUtil { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.application.ex.DecodeDefaultsUtil"); |
| private static final Map<String, URL> myResourceCache = Collections.synchronizedMap(new HashMap<String, URL>()); |
| |
| @NonNls private static final String XML_EXTENSION = ".xml"; |
| |
| public static URL getDefaults(Object requestor, final String componentResourcePath) { |
| if (myResourceCache.containsKey(componentResourcePath)) { |
| return myResourceCache.get(componentResourcePath); |
| } |
| |
| URL url = getDefaultsImpl(requestor, componentResourcePath); |
| myResourceCache.put(componentResourcePath, url); |
| return url; |
| } |
| |
| private static URL getDefaultsImpl(final Object requestor, final String componentResourcePath) { |
| boolean isPathAbsoulte = StringUtil.startsWithChar(componentResourcePath, '/'); |
| if (isPathAbsoulte) { |
| return requestor.getClass().getResource(componentResourcePath + XML_EXTENSION); |
| } |
| else { |
| return getResourceByRelativePath(requestor, componentResourcePath, XML_EXTENSION); |
| } |
| } |
| |
| |
| @Nullable |
| public static InputStream getDefaultsInputStream(Object requestor, final String componentResourcePath) { |
| try { |
| final URL defaults = getDefaults(requestor, componentResourcePath); |
| return defaults != null ? URLUtil.openStream(defaults) : null; |
| } |
| catch (IOException e) { |
| LOG.error(e); |
| return null; |
| } |
| } |
| |
| private static URL getResourceByRelativePath(Object requestor, final String componentResourcePath, String resourceExtension) { |
| String appName = ApplicationManagerEx.getApplicationEx().getName(); |
| URL result = requestor.getClass().getResource("/" + appName + "/" + componentResourcePath + resourceExtension); |
| if (result == null) { |
| result = requestor.getClass().getResource("/" + componentResourcePath + resourceExtension); |
| } |
| return result; |
| } |
| } |