/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.commons.net.ftp.parser;
import junit.framework.TestCase;
import org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.commons.net.ftp.FTPFileEntryParser;
public class DefaultFTPFileEntryParserFactoryTest extends TestCase
{
public void testDefaultParserFactory() throws Exception {
DefaultFTPFileEntryParserFactory factory =
new DefaultFTPFileEntryParserFactory();
FTPFileEntryParser parser = factory.createFileEntryParser("unix");
assertTrue(parser instanceof UnixFTPEntryParser);
parser = factory.createFileEntryParser("UNIX");
assertTrue(parser instanceof UnixFTPEntryParser);
parser = factory.createFileEntryParser("Unix");
assertTrue(parser instanceof UnixFTPEntryParser);
parser = factory.createFileEntryParser("EnterpriseUnix");
assertTrue(parser instanceof UnixFTPEntryParser);
assertFalse(parser instanceof EnterpriseUnixFTPEntryParser);
// works because contains the expression "Unix"
parser = factory.createFileEntryParser("UnixFTPEntryParser");
assertTrue(parser instanceof UnixFTPEntryParser);
try {
parser = factory.createFileEntryParser("NT");
fail("Exception should have been thrown. \"NT\" is not a recognized key");
} catch (ParserInitializationException pie) {
assertNull(pie.getCause());
assertTrue(pie.getMessage()+ "should contain 'Unknown parser type:'",
pie.getMessage().contains("Unknown parser type:"));
}
parser = factory.createFileEntryParser("WindowsNT");
assertTrue(parser instanceof CompositeFileEntryParser);
parser = factory.createFileEntryParser("ThigaVMSaMaJig");
assertTrue(parser instanceof VMSFTPEntryParser);
parser = factory.createFileEntryParser("OS/2");
assertTrue(parser instanceof OS2FTPEntryParser);
parser = factory.createFileEntryParser("OS/400");
assertTrue(parser instanceof CompositeFileEntryParser);
parser = factory.createFileEntryParser("AS/400");
assertTrue(parser instanceof CompositeFileEntryParser);
// Added test to make sure it handles the Unix systems that were
// compiled with OS as "UNKNOWN". This test validates that the
// check is case-insensitive.
parser = factory.createFileEntryParser("UNKNOWN Type: L8");
try {
parser = factory.createFileEntryParser("OS2FTPFileEntryParser");
fail("Exception should have been thrown. \"OS2FTPFileEntryParser\" is not a recognized key");
} catch (ParserInitializationException pie) {
assertNull(pie.getCause());
}
parser = factory.createFileEntryParser(
"org.apache.commons.net.ftp.parser.OS2FTPEntryParser");
assertTrue(parser instanceof OS2FTPEntryParser);
try {
parser = factory.createFileEntryParser(
"org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory");
fail("Exception should have been thrown. \"DefaultFTPFileEntryParserFactory\" does not implement FTPFileEntryParser");
} catch (ParserInitializationException pie) {
Throwable root = pie.getCause();
assertTrue(root instanceof ClassCastException);
}
try {
// Class exists, but is an interface
factory.createFileEntryParser("org.apache.commons.net.ftp.parser.FTPFileEntryParserFactory");
fail("ParserInitializationException should have been thrown.");
} catch (ParserInitializationException pie){
Throwable root = pie.getCause();
assertTrue(root instanceof InstantiationException);
}
try {
// Class exists, but is abstract
factory.createFileEntryParser("org.apache.commons.net.ftp.FTPFileEntryParserImpl");
fail("ParserInitializationException should have been thrown.");
} catch (ParserInitializationException pie){
Throwable root = pie.getCause();
assertTrue(root instanceof InstantiationException);
}
}
private void checkParserClass(FTPFileEntryParserFactory fact, String key, Class<?> expected){
FTPClientConfig config = key == null ? new FTPClientConfig() : new FTPClientConfig(key);
FTPFileEntryParser parser = fact.createFileEntryParser(config);
assertNotNull(parser);
assertTrue("Expected "+expected.getCanonicalName()+" got "+parser.getClass().getCanonicalName(),
expected.isInstance(parser));
}
public void testDefaultParserFactoryConfig() throws Exception {
DefaultFTPFileEntryParserFactory factory =
new DefaultFTPFileEntryParserFactory();
try {
factory.createFileEntryParser((FTPClientConfig)null);
fail("Expected NullPointerException");
} catch (NullPointerException npe) {
// expected
}
checkParserClass(factory, null, UnixFTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_OS400, OS400FTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_AS400, CompositeFileEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_L8, UnixFTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_MVS, MVSFTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_NETWARE, NetwareFTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_NT, NTFTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_OS2, OS2FTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_UNIX, UnixFTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_VMS, VMSFTPEntryParser.class);
checkParserClass(factory, FTPClientConfig.SYST_MACOS_PETER, MacOsPeterFTPEntryParser.class);
checkParserClass(factory, "WINDOWS", NTFTPEntryParser.class); // Same as SYST_NT
// This is the way it works at present; config matching is exact
checkParserClass(factory, "Windows", CompositeFileEntryParser.class);
checkParserClass(factory, "OS/400", OS400FTPEntryParser.class); // Same as SYST_OS400
// This is the way it works at present; config matching is exact
checkParserClass(factory, "OS/400 v1", CompositeFileEntryParser.class);
// Note: exact matching via config is the only way to generate NTFTPEntryParser and OS400FTPEntryParser
// using DefaultFTPFileEntryParserFactory
}
}