original

[gb-231r1-is01/GB_2.3_IS01.git] / sdk / layoutopt / libs / uix / src / com / android / layoutopt / uix / rules / GroovyRule.java

diff --git a/sdk/layoutopt/libs/uix/src/com/android/layoutopt/uix/rules/GroovyRule.java b/sdk/layoutopt/libs/uix/src/com/android/layoutopt/uix/rules/GroovyRule.java
new file mode 100644 (file)
index 0000000..785b8f4
--- /dev/null
+++ b/sdk/layoutopt/libs/uix/src/com/android/layoutopt/uix/rules/GroovyRule.java
@@ -0,0 +1,67 @@
+/*
+ * 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);
+    }
+}