/*
* Copyright 2009 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.api.internal.plugins;
import org.gradle.api.plugins.Convention;
import org.gradle.api.internal.BeanDynamicObject;
import java.util.*;
import groovy.lang.MissingPropertyException;
import groovy.lang.MissingMethodException;
/**
* @author Hans Dockter
*/
public class AbstractConvention implements Convention {
private final Map<String, Object> plugins = new LinkedHashMap<String, Object>();
public Map<String, Object> getPlugins() {
return plugins;
}
public boolean hasProperty(String property) {
for (Object object : plugins.values()) {
if (new BeanDynamicObject(object).hasProperty(property)) {
return true;
}
}
return false;
}
public Map<String, Object> getProperties() {
Map<String, Object> properties = new HashMap<String, Object>();
List<Object> reverseOrder = new ArrayList<Object>(plugins.values());
Collections.reverse(reverseOrder);
for (Object object : reverseOrder) {
properties.putAll(new BeanDynamicObject(object).getProperties());
}
return properties;
}
public Object getProperty(String name) throws MissingPropertyException {
BeanDynamicObject dynamicObject = new BeanDynamicObject(this);
if (dynamicObject.hasProperty(name)) {
return dynamicObject.getProperty(name);
}
for (Object object : plugins.values()) {
dynamicObject = new BeanDynamicObject(object);
if (dynamicObject.hasProperty(name)) {
return dynamicObject.getProperty(name);
}
}
throw new MissingPropertyException(name, Convention.class);
}
public void setProperty(String property, Object value) {
for (Object object : plugins.values()) {
BeanDynamicObject dynamicObject = new BeanDynamicObject(object);
if (dynamicObject.hasProperty(property)) {
dynamicObject.setProperty(property, value);
return;
}
}
throw new MissingPropertyException(property, Convention.class);
}
public Object invokeMethod(String name, Object... arguments) {
for (Object object : plugins.values()) {
BeanDynamicObject dynamicObject = new BeanDynamicObject(object);
if (dynamicObject.hasMethod(name, arguments)) {
return dynamicObject.invokeMethod(name, arguments);
}
}
throw new MissingMethodException(name, Convention.class, arguments);
}
public boolean hasMethod(String method, Object... args) {
for (Object object : plugins.values()) {
BeanDynamicObject dynamicObject = new BeanDynamicObject(object);
if (dynamicObject.hasMethod(method, args)) {
return true;
}
}
return false;
}
public <T> T getPlugin(Class<T> type) {
T value = findPlugin(type);
if (value == null) {
throw new IllegalStateException(String.format("Could not find any convention object of type %s.",
type.getSimpleName()));
}
return value;
}
public <T> T findPlugin(Class<T> type) throws IllegalStateException {
List<T> values = new ArrayList<T>();
for (Object object : plugins.values()) {
if (type.isInstance(object)) {
values.add(type.cast(object));
}
}
if (values.isEmpty()) {
return null;
}
if (values.size() > 1) {
throw new IllegalStateException(String.format("Found multiple convention objects of type %s.",
type.getSimpleName()));
}
return values.get(0);
}
}