ReflectionCacheGenerator.java

/**
 * Copyright 2008 - 2015 The Loon Game Engine Authors
 * 
 * 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.
 * 
 * @project loon
 * @author cping
 * @email：javachenpeng@yahoo.com
 * @version 0.5
 */
package loon.gwtref.gen;

import com.google.gwt.core.ext.Generator;
import com.google.gwt.core.ext.GeneratorContext;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import static com.google.gwt.core.ext.TreeLogger.*;

public class ReflectionCacheGenerator extends Generator {
	@Override
	public String generate(TreeLogger logger, GeneratorContext context,
			String typeName) throws UnableToCompleteException {
		TypeOracle oracle = context.getTypeOracle();
		assert (oracle != null);
		JClassType type = oracle.findType(typeName);
		if (type == null) {
			logger.log(ERROR, "Couldn't find type '" + typeName + "'");
			throw new UnableToCompleteException();
		}

		if (type.isInterface() == null) {
			logger.log(ERROR, "Type '" + typeName + "' must be an interface");
			throw new UnableToCompleteException();
		}

		ReflectionCacheSourceCreator source = new ReflectionCacheSourceCreator(
				logger, context, type);
		return source.create();
	}
}