| /* |
| * 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.cli; |
| |
| import com.android.layoutopt.uix.LayoutAnalyzer; |
| import com.android.layoutopt.uix.LayoutAnalysis; |
| |
| import java.io.File; |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| /** |
| * Command line utility for the uix library. |
| * |
| * This is a simple CLI front-end for the uix library, used to |
| * analyze and optimize Android layout files. |
| */ |
| public class Main { |
| /** |
| * Main entry point of the application. |
| * |
| * @param args One mandatory parameter, a path (absolute or relative) |
| * to an Android XML layout file |
| */ |
| public static void main(String[] args) { |
| Parameters p = checkParameters(args); |
| if (!p.valid) { |
| displayHelpMessage(); |
| exit(); |
| } |
| |
| analyzeFiles(p.files); |
| } |
| |
| private static void analyzeFiles(File[] files) { |
| LayoutAnalyzer analyzer = new LayoutAnalyzer(); |
| for (File file : files) { |
| if (file.isFile() && file.getName().endsWith(".xml")) { |
| analyze(analyzer, file); |
| } else { |
| analyzeFiles(file.listFiles()); |
| } |
| } |
| } |
| |
| private static void analyze(LayoutAnalyzer analyzer, File file) { |
| LayoutAnalysis analysis = analyzer.analyze(file); |
| System.out.println(analysis.getName()); |
| for (LayoutAnalysis.Issue issue : analysis.getIssues()) { |
| System.out.print(String.format("\t%d:%d ", issue.getStartLine(), issue.getEndLine())); |
| System.out.println(issue.getDescription()); |
| } |
| } |
| |
| /** |
| * Exits the tool. |
| */ |
| private static void exit() { |
| System.exit(0); |
| } |
| |
| /** |
| * Displays this tool's help message on the standard output. |
| */ |
| private static void displayHelpMessage() { |
| System.out.println("usage: layoutopt <directories/files to analyze>"); |
| } |
| |
| /** |
| * Builds a valid Parameters object. Parses the paramters if necessary |
| * and checks for errors. |
| * |
| * @param args The parameters passed from the CLI. |
| */ |
| private static Parameters checkParameters(String[] args) { |
| Parameters p = new Parameters(); |
| |
| if (args.length < 1) { |
| p.valid = false; |
| } else { |
| List<File> files = new ArrayList<File>(); |
| for (String path : args) { |
| File file = new File(path); |
| if (file.exists() && (file.isDirectory() || file.getName().endsWith(".xml"))) { |
| files.add(file); |
| } |
| } |
| p.files = files.toArray(new File[files.size()]); |
| p.valid = true; |
| } |
| |
| return p; |
| } |
| |
| /** |
| * Parameters parsed from the CLI. |
| */ |
| private static class Parameters { |
| /** |
| * True if this list of parameters is valid, false otherwise. |
| */ |
| boolean valid; |
| |
| /** |
| * Paths (absolute or relative) to the files to be analyzed. |
| */ |
| File[] files; |
| } |
| } |