/*
* Copyright 2015 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.model.internal.manage.schema.extract;
import com.google.common.collect.Lists;
import org.gradle.api.Action;
import org.gradle.api.Nullable;
import org.gradle.internal.Actions;
import org.gradle.model.internal.inspect.FormattingValidationProblemCollector;
import org.gradle.model.internal.manage.schema.ModelSchema;
import org.gradle.model.internal.type.ModelType;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.List;
public class DefaultModelSchemaExtractionContext<T> implements ModelSchemaExtractionContext<T> {
private final DefaultModelSchemaExtractionContext<?> parent;
private final ModelType<T> type;
private final String description;
private final Action<? super ModelSchema<T>> validator;
private ModelSchema<T> result;
private final List<DefaultModelSchemaExtractionContext<?>> children = Lists.newArrayList();
private final FormattingValidationProblemCollector problems;
private DefaultModelSchemaExtractionContext(DefaultModelSchemaExtractionContext<?> parent, ModelType<T> type, String description, Action<? super ModelSchema<T>> validator) {
this.parent = parent;
this.type = type;
this.description = description;
this.problems = new FormattingValidationProblemCollector("model element type", type);
this.validator = validator;
}
public static <T> DefaultModelSchemaExtractionContext<T> root(ModelType<T> type) {
return new DefaultModelSchemaExtractionContext<T>(null, type, null, null);
}
/**
* null if this is the root of the extraction
*/
@Nullable
public DefaultModelSchemaExtractionContext<?> getParent() {
return parent;
}
@Override
public ModelType<T> getType() {
return type;
}
public FormattingValidationProblemCollector getProblems() {
return problems;
}
@Override
public boolean hasProblems() {
return problems.hasProblems();
}
@Override
public void add(String problem) {
problems.add(problem);
}
@Override
public void add(Field field, String problem) {
problems.add(field, problem);
}
@Override
public void add(Method method, String role, String problem) {
problems.add(method, role, problem);
}
@Override
public void add(Method method, String problem) {
add(method, null, problem);
}
@Override
public void add(Constructor<?> constructor, String problem) {
problems.add(constructor, problem);
}
public String getDescription() {
return description == null ? type.toString() : (description + " (" + type + ")");
}
public List<DefaultModelSchemaExtractionContext<?>> getChildren() {
return children;
}
@Override
public <C> DefaultModelSchemaExtractionContext<C> child(ModelType<C> type, String description) {
return child(type, description, Actions.doNothing());
}
@Override
public <C> DefaultModelSchemaExtractionContext<C> child(ModelType<C> type, String description, Action<? super ModelSchema<C>> validator) {
DefaultModelSchemaExtractionContext<C> childContext = new DefaultModelSchemaExtractionContext<C>(this, type, description, validator);
children.add(childContext);
return childContext;
}
@Nullable
public ModelSchema<T> getResult() {
return result;
}
@Override
public void found(ModelSchema<T> result) {
this.result = result;
}
public void validate(ModelSchema<T> schema) {
if (validator != null) {
validator.execute(schema);
}
}
}