Spring Framework example source code file (ResourceUtilsTests.java)

This example Spring Framework source code file (ResourceUtilsTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

dummyurlstreamhandler, dummyurlstreamhandler, exception, exception, io, ioexception, ioexception, net, network, resourceutilstests, testcase, unsupportedoperationexception, url, url, urlconnection, urlstreamhandler

The Spring Framework ResourceUtilsTests.java source code

/*
 * Copyright 2002-2006 the original author or authors.
 *
 * 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 org.springframework.util;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;

import junit.framework.TestCase;

/**
 * @author Juergen Hoeller
 */
public class ResourceUtilsTests extends TestCase {

	public void testIsJarURL() throws Exception {
		assertTrue(ResourceUtils.isJarURL(new URL("jar:file:myjar.jar!/mypath")));
		assertTrue(ResourceUtils.isJarURL(new URL(null, "zip:file:myjar.jar!/mypath", new DummyURLStreamHandler())));
		assertTrue(ResourceUtils.isJarURL(new URL(null, "wsjar:file:myjar.jar!/mypath", new DummyURLStreamHandler())));
		assertFalse(ResourceUtils.isJarURL(new URL("file:myjar.jar")));
		assertFalse(ResourceUtils.isJarURL(new URL("http:myserver/myjar.jar")));
	}

	public void testExtractJarFileURL() throws Exception {
		assertEquals(new URL("file:myjar.jar"),
				ResourceUtils.extractJarFileURL(new URL("jar:file:myjar.jar!/mypath")));
		assertEquals(new URL("file:/myjar.jar"),
				ResourceUtils.extractJarFileURL(new URL(null, "jar:myjar.jar!/mypath", new DummyURLStreamHandler())));
		assertEquals(new URL("file:myjar.jar"),
				ResourceUtils.extractJarFileURL(new URL(null, "zip:file:myjar.jar!/mypath", new DummyURLStreamHandler())));
		assertEquals(new URL("file:myjar.jar"),
				ResourceUtils.extractJarFileURL(new URL(null, "wsjar:file:myjar.jar!/mypath", new DummyURLStreamHandler())));
		assertEquals(new URL("file:myjar.jar"),
				ResourceUtils.extractJarFileURL(new URL("jar:file:myjar.jar!/")));
		assertEquals(new URL("file:myjar.jar"),
				ResourceUtils.extractJarFileURL(new URL(null, "zip:file:myjar.jar!/", new DummyURLStreamHandler())));
		assertEquals(new URL("file:myjar.jar"),
				ResourceUtils.extractJarFileURL(new URL(null, "wsjar:file:myjar.jar!/", new DummyURLStreamHandler())));
		assertEquals(new URL("file:myjar.jar"),
				ResourceUtils.extractJarFileURL(new URL("file:myjar.jar")));
	}


	/**
	 * Dummy URLStreamHandler that's just specified to suppress the standard
	 * <code>java.net.URL URLStreamHandler lookup, to be able to
	 * use the standard URL class for parsing "rmi:..." URLs.
	 */
	private static class DummyURLStreamHandler extends URLStreamHandler {

		protected URLConnection openConnection(URL url) throws IOException {
			throw new UnsupportedOperationException();
		}
	}

}