/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.lucene.analysis.util;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
/** Fake resource loader for tests: works if you want to fake reading a single file */
public class StringMockResourceLoader implements ResourceLoader {
String text;
public StringMockResourceLoader(String text) {
this.text = text;
}
@Override
public <T> Class<? extends T> findClass(String cname, Class<T> expectedType) {
try {
return Class.forName(cname).asSubclass(expectedType);
} catch (Exception e) {
throw new RuntimeException("Cannot load class: " + cname, e);
}
}
@Override
public <T> T newInstance(String cname, Class<T> expectedType) {
Class<? extends T> clazz = findClass(cname, expectedType);
try {
return clazz.newInstance();
} catch (Exception e) {
throw new RuntimeException("Cannot create instance: " + cname, e);
}
}
@Override
public InputStream openResource(String resource) throws IOException {
return new ByteArrayInputStream(text.getBytes(StandardCharsets.UTF_8));
}
}