1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package android.databinding.tool.writer;
17
18import android.databinding.tool.reflection.ModelAnalyzer;
19import android.databinding.tool.store.SetterStore;
20
21import java.util.List;
22import java.util.Map;
23
24public class ComponentWriter {
25    private static final String INDENT = "    ";
26
27    public ComponentWriter() {
28    }
29
30    public String createComponent() {
31        final StringBuilder builder = new StringBuilder();
32        builder.append("package android.databinding;\n\n");
33        builder.append("public interface DataBindingComponent {\n");
34        final SetterStore setterStore = SetterStore.get(ModelAnalyzer.getInstance());
35        Map<String, List<String>> bindingAdapters = setterStore.getComponentBindingAdapters();
36        for (final String simpleName : bindingAdapters.keySet()) {
37            final List<String> classes = bindingAdapters.get(simpleName);
38            if (classes.size() > 1) {
39                int index = 1;
40                for (String className : classes) {
41                    addGetter(builder, simpleName, className, index++);
42                }
43            } else {
44                addGetter(builder, simpleName, classes.iterator().next(), 0);
45            }
46        }
47        builder.append("}\n");
48        return builder.toString();
49    }
50
51    private static void addGetter(StringBuilder builder, String simpleName, String className,
52            int index) {
53        builder.append(INDENT)
54                .append(className)
55                .append(" get")
56                .append(simpleName);
57        if (index > 0) {
58            builder.append(index);
59        }
60        builder.append("();\n");
61    }
62}
63