/*
* Copyright 2012 the original author or 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.
*/
package org.gradle.tooling.provider.model.internal;
import org.gradle.api.Project;
import org.gradle.tooling.provider.model.ToolingModelBuilder;
import org.gradle.tooling.provider.model.ToolingModelBuilderRegistry;
import org.gradle.tooling.provider.model.UnknownModelException;
import java.util.ArrayList;
import java.util.List;
public class DefaultToolingModelBuilderRegistry implements ToolingModelBuilderRegistry {
private final List<ToolingModelBuilder> builders = new ArrayList<ToolingModelBuilder>();
public DefaultToolingModelBuilderRegistry() {
register(new VoidToolingModelBuilder());
}
public void register(ToolingModelBuilder builder) {
builders.add(builder);
}
public ToolingModelBuilder getBuilder(String modelName) throws UnsupportedOperationException {
ToolingModelBuilder match = null;
for (ToolingModelBuilder builder : builders) {
if (builder.canBuild(modelName)) {
if (match != null) {
throw new UnsupportedOperationException(String.format("Multiple builders are available to build a model of type '%s'.", modelName));
}
match = builder;
}
}
if (match != null) {
return match;
}
throw new UnknownModelException(String.format("No builders are available to build a model of type '%s'.", modelName));
}
private static class VoidToolingModelBuilder implements ToolingModelBuilder {
public boolean canBuild(String modelName) {
return modelName.equals(Void.class.getName());
}
public Object buildAll(String modelName, Project project) {
return null;
}
}
}