屏幕适配方案--代码自动生成文件

public class GenerateValueFiles {private int baseW;private int baseH;private String dirStr = "./res";private final static String WTemplate = "<dimen name=\"x{0}\">{1}px</dimen>\n";private final static String HTemplate = "<dimen name=\"y{0}\">{1}px</dimen>\n";/** * {0}-HEIGHT */private final static String VALUE_TEMPLATE = "values-{0}x{1}";private static final String SUPPORT_DIMESION = "320,480;480,800;480,854;540,960;600,1024;720,1184;720,1196;720,1280;768,1024;768,1280;800,1280;1080,1700;1080,1812;1080,1920;1440,2560;";private String supportStr = SUPPORT_DIMESION;public GenerateValueFiles(int baseX, int baseY, String supportStr) {this.baseW = baseX;this.baseH = baseY;if (!this.supportStr.contains(baseX + "," + baseY)) {this.supportStr += baseX + "," + baseY + ";";}this.supportStr += validateInput(supportStr);System.out.println(supportStr);File dir = new File(dirStr);if (!dir.exists()) {dir.mkdir();}System.out.println(dir.getAbsoluteFile());}/** * @param supportStr *            w,h_...w,h; * @return */private String validateInput(String supportStr) {StringBuffer sb = new StringBuffer();String[] vals = supportStr.split("_");int w = -1;int h = -1;String[] wh;for (String val : vals) {try {if (val == null || val.trim().length() == 0)continue;wh = val.split(",");w = Integer.parseInt(wh[0]);h = Integer.parseInt(wh[1]);} catch (Exception e) {System.out.println("skip invalidate params : w,h = " + val);continue;}sb.append(w + "," + h + ";");}return sb.toString();}public void generate() {String[] vals = supportStr.split(";");for (String val : vals) {String[] wh = val.split(",");generateXmlFile(Integer.parseInt(wh[0]), Integer.parseInt(wh[1]));}}private void generateXmlFile(int w, int h) {StringBuffer sbForWidth = new StringBuffer();sbForWidth.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");sbForWidth.append("<resources>");float cellw = w * 1.0f / baseW;System.out.println("width : " + w + "," + baseW + "," + cellw);for (int i = 1; i < baseW; i++) {sbForWidth.append(WTemplate.replace("{0}", i + "").replace("{1}",change(cellw * i) + ""));}sbForWidth.append(WTemplate.replace("{0}", baseW + "").replace("{1}",w + ""));sbForWidth.append("</resources>");StringBuffer sbForHeight = new StringBuffer();sbForHeight.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");sbForHeight.append("<resources>");float cellh = h *1.0f/ baseH;System.out.println("height : "+ h + "," + baseH + "," + cellh);for (int i = 1; i < baseH; i++) {sbForHeight.append(HTemplate.replace("{0}", i + "").replace("{1}",change(cellh * i) + ""));}sbForHeight.append(HTemplate.replace("{0}", baseH + "").replace("{1}",h + ""));sbForHeight.append("</resources>");File fileDir = new File(dirStr + File.separator+ VALUE_TEMPLATE.replace("{0}", h + "")//.replace("{1}", w + ""));fileDir.mkdir();File layxFile = new File(fileDir.getAbsolutePath(), "lay_x.xml");File layyFile = new File(fileDir.getAbsolutePath(), "lay_y.xml");try {PrintWriter pw = new PrintWriter(new FileOutputStream(layxFile));pw.print(sbForWidth.toString());pw.close();pw = new PrintWriter(new FileOutputStream(layyFile));pw.print(sbForHeight.toString());pw.close();} catch (FileNotFoundException e) {e.printStackTrace();}}public static float change(float a) {int temp = (int) (a * 100);return temp / 100f;}public static void main(String[] args) {int baseW = 720;int baseH = 1280;String addition = "";try {if (args.length >= 3) {baseW = Integer.parseInt(args[0]);baseH = Integer.parseInt(args[1]);addition = args[2];} else if (args.length >= 2) {baseW = Integer.parseInt(args[0]);baseH = Integer.parseInt(args[1]);} else if (args.length >= 1) {addition = args[0];}} catch (NumberFormatException e) {System.err.println("right input params : java -jar xxx.jar width height w,h_w,h_..._w,h;");e.printStackTrace();System.exit(-1);}new GenerateValueFiles(baseW, baseH, addition).generate();}}