| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * 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 com.android.layoutopt.uix.rules; |
| |
| import groovy.lang.Script; |
| import groovy.lang.Binding; |
| import groovy.lang.Closure; |
| import groovy.xml.dom.DOMCategory; |
| import com.android.layoutopt.uix.LayoutAnalysis; |
| import com.android.layoutopt.uix.groovy.LayoutAnalysisCategory; |
| import org.w3c.dom.Node; |
| import org.codehaus.groovy.runtime.GroovyCategorySupport; |
| |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| |
| /** |
| * Implementation of a rule using a Groovy script. |
| */ |
| public class GroovyRule implements Rule { |
| private final String mName; |
| private final Script mScript; |
| private final Binding mBinding; |
| private final Closure mClosure; |
| private final List<Class> mCategories; |
| |
| public GroovyRule(String name, Script script) { |
| mName = name; |
| mScript = script; |
| mBinding = new Binding(); |
| mScript.setBinding(mBinding); |
| mClosure = new Closure(this) { |
| @Override |
| public Object call() { |
| return mScript.run(); |
| } |
| }; |
| mCategories = new ArrayList<Class>(); |
| Collections.addAll(mCategories, DOMCategory.class, LayoutAnalysisCategory.class); |
| } |
| |
| public String getName() { |
| return mName; |
| } |
| |
| public void run(LayoutAnalysis analysis, Node node) { |
| mBinding.setVariable("analysis", analysis); |
| mBinding.setVariable("node", node); |
| |
| GroovyCategorySupport.use(mCategories, mClosure); |
| } |
| } |