/*
* 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.planner.benchmark;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.reflection.FieldDictionary;
import com.thoughtworks.xstream.converters.reflection.NativeFieldKeySorter;
import com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider;
import org.apache.commons.io.IOUtils;
public class XmlSolverBenchmarker {
private XStream xStream;
private SolverBenchmarkSuite suite = null;
public XmlSolverBenchmarker() {
// TODO From Xstream 1.3.3 that KeySorter will be the default. See http://jira.codehaus.org/browse/XSTR-363
xStream = new XStream(new PureJavaReflectionProvider(new FieldDictionary(new NativeFieldKeySorter())));
xStream.setMode(XStream.ID_REFERENCES);
xStream.processAnnotations(SolverBenchmarkSuite.class);
// It doesn't pick up the annotations of the @XStreamImplicit in xstream 1.2.2
xStream.processAnnotations(SolverBenchmark.class);
}
public void addXstreamAnnotations(Class... xstreamAnnotations) {
xStream.processAnnotations(xstreamAnnotations);
}
// ************************************************************************
// Worker methods
// ************************************************************************
public XmlSolverBenchmarker configure(String resource) {
InputStream in = getClass().getResourceAsStream(resource);
if (in == null) {
throw new IllegalArgumentException("Resource not found: " + resource);
}
return configure(in);
}
public XmlSolverBenchmarker configure(InputStream in) {
Reader reader = null;
try {
reader = new InputStreamReader(in, "utf-8");
return configure(reader);
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException("This vm does not support utf-8 encoding.", e);
} finally {
IOUtils.closeQuietly(reader);
}
}
public XmlSolverBenchmarker configure(Reader reader) {
suite = (SolverBenchmarkSuite) xStream.fromXML(reader);
return this;
}
public void benchmark() {
if (suite == null) {
throw new IllegalStateException("No configuration found, call SolverBenchmarker.configure(...) first.");
}
suite.benchmark(xStream);
}
}