| /* |
| * Copyright 2000-2010 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.lang.ant.dom; |
| |
| import com.intellij.util.xml.Attribute; |
| import com.intellij.util.xml.GenericAttributeValue; |
| |
| import java.net.URL; |
| |
| /** |
| * @author Eugene Zhuravlev |
| * Date: Aug 10, 2010 |
| */ |
| public abstract class AntDomWhichResourceTask extends AntDomPropertyDefiningTask implements AntDomClasspathElement{ |
| |
| private volatile ClassLoader myCachedLoader; |
| |
| @Attribute("class") |
| public abstract GenericAttributeValue<String> getClassName(); |
| |
| @Attribute("resource") |
| public abstract GenericAttributeValue<String> getResourceName(); |
| |
| protected String calcPropertyValue(String propertyName) { |
| String resName = getClassName().getStringValue(); |
| if (resName == null) { |
| resName = getResourceName().getStringValue(); |
| } |
| else { |
| resName = resName.replace(".", "/") + ".class"; |
| } |
| if (resName != null) { |
| final ClassLoader loader = getClassLoader(); |
| if (loader != null) { |
| final URL resource = loader.getResource(resName); |
| if (resource != null) { |
| return resource.toExternalForm(); |
| } |
| } |
| } |
| return ""; |
| } |
| |
| private ClassLoader getClassLoader() { |
| ClassLoader loader = myCachedLoader; |
| if (loader == null) { |
| myCachedLoader = loader = CustomAntElementsRegistry.createClassLoader(CustomAntElementsRegistry.collectUrls(this), getContextAntProject()); |
| } |
| return loader; |
| } |
| } |