/*
* Copyright 2012 David Blevins
*
* 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.as.test.integration.ejb.mdb.dynamic.impl;
import javax.resource.spi.endpoint.MessageEndpoint;
import java.beans.PropertyEditor;
import java.beans.PropertyEditorManager;
import java.io.PrintStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.regex.Pattern;
/**
* @version $Revision$ $Date$
*/
public class Cmd {
private final String name;
private final Method method;
public Cmd(String name, Method method) {
this.name = name;
this.method = method;
}
public String getName() {
return name;
}
public void exec(Object impl, String[] args, PrintStream out) throws Throwable {
try {
if (impl instanceof MessageEndpoint) {
MessageEndpoint endpoint = (MessageEndpoint) impl;
endpoint.beforeDelivery(method);
}
final Object result = method.invoke(impl, toParams(args));
if (result != null) {
final String text = result.toString().replaceAll("\n*$", "");
out.println(text);
out.println();
}
} catch (InvocationTargetException e) {
throw e.getTargetException();
} finally {
if (impl instanceof MessageEndpoint) {
MessageEndpoint endpoint = (MessageEndpoint) impl;
endpoint.afterDelivery();
}
}
}
private Object[] toParams(String[] args) {
final Class<?>[] expected = method.getParameterTypes();
final Object[] converted = new Object[expected.length];
for (int i = 0; i < expected.length; i++) {
if (args.length <= i) {
converted[i] = null;
} else {
converted[i] = convert(expected[i], args[i]);
}
}
return converted;
}
private static Object convert(Class<?> type, String text) {
final PropertyEditor editor = PropertyEditorManager.findEditor(type);
if (editor != null) {
editor.setAsText(text);
return editor.getValue();
} else {
try {
final Constructor<?> constructor = type.getConstructor(String.class);
return constructor.newInstance(text);
} catch (NoSuchMethodException e) {
} catch (Exception e) {
e.printStackTrace();
}
}
return null;
}
public Method getMethod() {
return method;
}
static {
PropertyEditorManager.registerEditor(Pattern.class, PatternEditor.class);
}
public static class PatternEditor extends java.beans.PropertyEditorSupport {
@Override
public void setAsText(String text) throws IllegalArgumentException {
setValue(Pattern.compile(text));
}
}
}