/*
* Copyright 2010 JBoss Inc
*
* 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.drools.core.rule;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.security.CodeSource;
import org.junit.Test;
import static org.junit.Assert.*;
import org.drools.core.base.ClassFieldAccessorCache;
import org.drools.core.common.InternalRuleBase;
import org.drools.core.reteoo.ReteooRuleBase;
import org.drools.core.WorkingMemory;
import org.drools.core.spi.EvalExpression;
import org.drools.core.spi.Tuple;
public class PackageCompilationDataTest {
public static class TestEvalExpression implements EvalExpression {
public Object createContext() { return null; }
public boolean evaluate(Tuple t, Declaration[] d, WorkingMemory w, Object context ) {
return false;
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
}
public void writeExternal(ObjectOutput out) throws IOException {
}
public Declaration[] getRequiredDeclarations() {
return null;
}
public void replaceDeclaration(Declaration declaration,
Declaration resolved) {
}
public EvalExpression clone() {
return this;
}
}
@Test
public void testCodeSourceUrl() throws Exception {
final String className = TestEvalExpression.class.getName();
ReteooRuleBase rb = new ReteooRuleBase( "xxx", null );
Package pkg = new Package( "org.drools" );
pkg.setClassFieldAccessorCache( new ClassFieldAccessorCache( Thread.currentThread().getContextClassLoader() ) );
JavaDialectRuntimeData data = new JavaDialectRuntimeData();
data.onAdd( pkg.getDialectRuntimeRegistry(), rb.getRootClassLoader() );
pkg.getDialectRuntimeRegistry().setDialectData( "java", data );
rb.addPackage( pkg );
final JavaDialectRuntimeData pcData = ( JavaDialectRuntimeData ) pkg.getDialectRuntimeRegistry().getDialectData( "java" );
final EvalCondition invoker = new EvalCondition(null);
pcData.putInvoker(className, invoker);
final InputStream is = getClass().getClassLoader().getResourceAsStream(className.replace('.', '/') + ".class");
try {
pcData.write(className.replace('.', '/') + ".class", read(is));
} finally {
is.close();
}
pcData.onAdd( pkg.getDialectRuntimeRegistry(), rb.getRootClassLoader() );
pcData.onBeforeExecute();
Class cls = ((InternalRuleBase)rb).getRootClassLoader().loadClass( "org.drools.core.rule.PackageCompilationDataTest$TestEvalExpression" );
final CodeSource codeSource = invoker.getEvalExpression().getClass().getProtectionDomain().getCodeSource();
assertNotNull(codeSource.getLocation());
}
private static byte[] read(final InputStream is) throws IOException {
final ByteArrayOutputStream os = new ByteArrayOutputStream();
final byte[] b = new byte[1024];
int len;
while ((len = is.read(b)) > 0) {
os.write(b, 0, len);
}
return os.toByteArray();
}
}