// Copyright 2004 The Apache Software Foundation
//
// 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.apache.hivemind.examples;
import java.util.Locale;
import org.apache.hivemind.ClassResolver;
import org.apache.hivemind.Registry;
import org.apache.hivemind.impl.DefaultClassResolver;
import org.apache.hivemind.impl.RegistryBuilder;
import org.apache.hivemind.util.FileResource;
/**
* Utilities needed by the examples.
*
* @author Howard Lewis Ship
*/
public class ExampleUtils
{
/**
* Builds a Registry for a file stored in the src/descriptor/META-INF directory.
*
* @param fileName -- the name of the module descriptor file.
*/
public static Registry buildRegistry(String fileName)
{
// The examples package is structured oddly (so that it doesn't interfere with
// the main HiveMind framework tests), so we have to go through some gyrations
// here that aren't necessary in an ordinary HiveMind application.
String projectRoot = System.getProperty("PROJECT_ROOT", ".");
String path = projectRoot + "/examples/src/descriptor/META-INF/" + fileName;
RegistryBuilder builder = new RegistryBuilder();
ClassResolver resolver = new DefaultClassResolver();
// Process standard files, on the classpath.
builder.processModules(resolver);
// Process the examples.xml file, which (given its non-standard name)
// is not visible.
builder.processModule(resolver, new FileResource(path));
return builder.constructRegistry(Locale.getDefault());
}
}