/*
* 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.core.io.support;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import junit.framework.TestCase;
import org.springframework.core.io.Resource;
/**
* If this test case fails, uncomment diagnostics in
* <code>assertProtocolAndFilenames</code> method.
*
* @author Oliver Hutchison
* @author Juergen Hoeller
* @since 17.11.2004
*/
public class PathMatchingResourcePatternResolverTests extends TestCase {
private static final String[] CLASSES_IN_CORE_IO_SUPPORT =
new String[] {"EncodedResource.class", "LocalizedResourceHelper.class",
"PathMatchingResourcePatternResolver.class",
"PropertiesLoaderSupport.class", "PropertiesLoaderUtils.class",
"ResourceArrayPropertyEditor.class",
"ResourcePatternResolver.class", "ResourcePatternUtils.class"};
private static final String[] TEST_CLASSES_IN_CORE_IO_SUPPORT =
new String[] {"PathMatchingResourcePatternResolverTests.class"};
private static final String[] CLASSES_IN_AOPALLIANCE =
new String[] {"Advice.class", "AspectException.class", "ConstructorInterceptor.class",
"ConstructorInvocation.class", "Interceptor.class", "Invocation.class",
"Joinpoint.class", "MethodInterceptor.class", "MethodInvocation.class"};
private PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
public void testInvalidPrefixWithPatternElementInIt() throws IOException {
try {
resolver.getResources("xx**:**/*.xy");
fail("Should have thrown FileNotFoundException");
}
catch (FileNotFoundException ex) {
// expected
}
}
public void testSingleResourceOnFileSystem() throws IOException {
Resource[] resources =
resolver.getResources("org/springframework/core/io/support/PathMatchingResourcePatternResolverTests.class");
assertEquals(1, resources.length);
assertProtocolAndFilename(resources[0], "file", "PathMatchingResourcePatternResolverTests.class");
}
public void testSingleResourceInJar() throws IOException {
Resource[] resources = resolver.getResources("java/net/URL.class");
assertEquals(1, resources.length);
assertProtocolAndFilename(resources[0], "jar", "URL.class");
}
public void testClasspathStarWithPatternOnFileSystem() throws IOException {
Resource[] resources = resolver.getResources("classpath*:org/springframework/core/io/sup*/*.class");
// Have to exclude Clover-generated class files here,
// as we might be running as part of a Clover test run.
List noCloverResources = new ArrayList();
for (int i = 0; i < resources.length; i++) {
if (resources[i].getFilename().indexOf("$__CLOVER_") == -1) {
noCloverResources.add(resources[i]);
}
}
resources = (Resource[]) noCloverResources.toArray(new Resource[noCloverResources.size()]);
assertProtocolAndFilenames(resources, "file", CLASSES_IN_CORE_IO_SUPPORT, TEST_CLASSES_IN_CORE_IO_SUPPORT);
}
public void testClasspathWithPatternInJar() throws IOException {
Resource[] resources = resolver.getResources("classpath:org/aopalliance/**/*.class");
assertProtocolAndFilenames(resources, "jar", CLASSES_IN_AOPALLIANCE);
}
public void testClasspathStartWithPatternInJar() throws IOException {
Resource[] resources = resolver.getResources("classpath*:org/aopalliance/**/*.class");
assertProtocolAndFilenames(resources, "jar", CLASSES_IN_AOPALLIANCE);
}
private void assertProtocolAndFilename(Resource resource, String urlProtocol, String fileName) throws IOException {
assertProtocolAndFilenames(new Resource[] {resource}, urlProtocol, new String[] {fileName});
}
private void assertProtocolAndFilenames(
Resource[] resources, String urlProtocol, String[] fileNames1, String[] fileNames2) throws IOException {
List fileNames = new ArrayList(Arrays.asList(fileNames1));
fileNames.addAll(Arrays.asList(fileNames2));
assertProtocolAndFilenames(resources, urlProtocol, (String[]) fileNames.toArray(new String[fileNames.size()]));
}
private void assertProtocolAndFilenames(Resource[] resources, String urlProtocol, String[] fileNames)
throws IOException {
// Uncomment the following if you encounter problems with matching against the file system
// It shows file locations.
// String[] actualNames = new String[resources.length];
// for (int i = 0; i < resources.length; i++) {
// actualNames[i] = resources[i].getFilename();
// }
// List sortedActualNames = new LinkedList(Arrays.asList(actualNames));
// List expectedNames = new LinkedList(Arrays.asList(fileNames));
// Collections.sort(sortedActualNames);
// Collections.sort(expectedNames);
//
// System.out.println("-----------");
// System.out.println("Expected: " + StringUtils.collectionToCommaDelimitedString(expectedNames));
// System.out.println("Actual: " + StringUtils.collectionToCommaDelimitedString(sortedActualNames));
// for (int i = 0; i < resources.length; i++) {
// System.out.println(resources[i]);
// }
assertEquals("Correct number of files found", fileNames.length, resources.length);
for (int i = 0; i < resources.length; i++) {
Resource resource = resources[i];
assertEquals(urlProtocol, resource.getURL().getProtocol());
assertFilenameIn(resource, fileNames);
}
}
private void assertFilenameIn(Resource resource, String[] fileNames) {
for (int i = 0; i < fileNames.length; i++) {
if (resource.getFilename().endsWith(fileNames[i])) {
return;
}
}
fail("resource [" + resource + "] does not have a filename that matches and of the names in 'fileNames'");
}
}