/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.arquillian.extension.jacoco.client;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import org.jacoco.core.instr.Instrumenter;
import org.jacoco.core.runtime.IRuntime;
import org.jboss.arquillian.extension.jacoco.container.ArquillianRuntime;
import org.jboss.shrinkwrap.api.asset.Asset;
/**
* Instrument the underlying Class using the Jacoco Runtime.
*
* Since the Class is instrumented before deployment, we remove the need for a JavaAgent at runtime.
*
* @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a>
* @version $Revision: $
*/
public class InstrumenterAsset implements Asset
{
private Asset asset;
public static final String EX_STRING = "arquillian";
public InstrumenterAsset(Asset asset)
{
this.asset = asset;
}
/* (non-Javadoc)
* @see org.jboss.shrinkwrap.api.asset.Asset#openStream()
*/
public InputStream openStream()
{
try
{
IRuntime runtime = ArquillianRuntime.getInstance();
Instrumenter instrumenter = new Instrumenter(runtime);
byte[] instrumented = instrumenter.instrument(asset.openStream(), EX_STRING);
return new ByteArrayInputStream(instrumented);
}
catch (Exception e)
{
throw new RuntimeException("Could not instrument Asset " + asset, e);
}
}
}