namespace org.apache.velocity.test{
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
using System;
/// <summary> Tests if we can hand Velocity an arbitrary class for logging.
/// *
/// </summary>
/// <author> <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
/// </author>
/// <version> $Id: ClassloaderChangeTest.cs,v 1.2 2003/10/27 13:54:11 corts Exp $
///
/// </version>
public class ClassloaderChangeTest:TestCase, LogSystem {
private VelocityEngine ve = null;
private bool sawCacheDump = false;
private static System.String OUTPUT = "Hello From Foo";
/// <summary> Default constructor.
/// </summary>
public ClassloaderChangeTest():base("ClassloaderChangeTest") {
try {
/*
* use an alternative logger. Set it up here and pass it in.
*/
ve = new VelocityEngine();
ve.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM, this);
ve.init();
} catch (System.Exception e) {
System.Console.Error.WriteLine("Cannot setup ClassloaderChnageTest : " + e);
System.Environment.Exit(1);
}
}
public virtual void init(RuntimeServices rs) {
// do nothing with it
}
/// <summary> Runs the test.
/// </summary>
public virtual void runTest() {
sawCacheDump = false;
try {
VelocityContext vc = new VelocityContext();
System.Object foo = null;
/*
* first, we need a classloader to make our foo object
*/
TestClassloader cl = new TestClassloader();
//UPGRADE_ISSUE: Method 'java.lang.ClassLoader.loadClass' was not converted. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1000_javalangClassLoader"'
System.Type fooclass = cl.loadClass("Foo");
System.Type temp_Class;
temp_Class = fooclass;
foo = temp_Class;
/*
* put it into the context
*/
vc.put("foo", foo);
/*
* and render something that would use it
* that will get it into the introspector cache
*/
System.IO.StringWriter writer = new System.IO.StringWriter();
ve.evaluate(vc, writer, "test", "$foo.doIt()");
/*
* Check to make sure ok. note the obvious
* dependency on the Foo class...
*/
if (!writer.ToString().Equals(OUTPUT)) {
fail("Output from doIt() incorrect");
}
/*
* and do it again :)
*/
cl = new TestClassloader();
//UPGRADE_ISSUE: Method 'java.lang.ClassLoader.loadClass' was not converted. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1000_javalangClassLoader"'
fooclass = cl.loadClass("Foo");
System.Type temp_Class2;
temp_Class2 = fooclass;
foo = temp_Class2;
vc.put("foo", foo);
writer = new System.IO.StringWriter();
ve.evaluate(vc, writer, "test", "$foo.doIt()");
if (!writer.ToString().Equals(OUTPUT)) {
fail("Output from doIt() incorrect");
}
} catch (System.Exception ee) {
System.Console.Out.WriteLine("ClassloaderChangeTest : " + ee);
}
if (!sawCacheDump) {
fail("Didn't see introspector cache dump.");
}
}
/// <summary> method to catch Velocity log messages. When we
/// see the introspector dump message, then set the flag
/// </summary>
public virtual void logVelocityMessage(int level, System.String message) {
if (message.equals(Introspector.CACHEDUMP_MSG)) {
sawCacheDump = true;
}
}
}
/// <summary> Simple (real simple...) classloader that depends
/// on a Foo.class being located in the classloader
/// directory under test
/// </summary>
//UPGRADE_ISSUE: Class 'java.lang.ClassLoader' was not converted. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1000_javalangClassLoader"'
class TestClassloader:ClassLoader {
private const System.String testclass = "../test/classloader/Foo.class";
private System.Type fooClass = null;
public TestClassloader() {
try {
System.IO.FileInfo f = new System.IO.FileInfo(testclass);
sbyte[] barr = new sbyte[(int) SupportClass.FileLength(f)];
System.IO.FileStream fis = new System.IO.FileStream(f.FullName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
//UPGRADE_TODO: Equivalent of method 'java.io.FileInputStream.read' may not have an optimal performance in C#. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1117"'
SupportClass.ReadInput(fis, ref barr, 0, barr.Length);
fis.Close();
//UPGRADE_ISSUE: Method 'java.lang.ClassLoader.defineClass' was not converted. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1000_javalangClassLoader"'
fooClass = defineClass("Foo", barr, 0, barr.Length);
} catch (System.Exception e) {
System.Console.Out.WriteLine("TestClassloader : exception : " + e);
}
}
public virtual System.Type findClass(System.String name) {
return fooClass;
}
}
}
|