package bs.util.tool.commongui;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Toolkit;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLDecoder;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
import java.util.SortedMap;
import javax.swing.Icon;
import javax.swing.ImageIcon;
public class GuiUtils {
/**************************** 编码 ****************************/
// 下面两个转码结果一样
public static String CHARSET_ISO_8859_1 = "ISO-8859-1";
public static String CHARSET_US_ASCII = "US-ASCII";
public static String CHARSET_UTF_16BE = "UTF-16BE"; // java转义\ u后面跟的编码, 即Java Unicode转义字符
public static String CHARSET_UTF_16LE = "UTF-16LE";
public static String CHARSET_UTF_8 = "UTF-8";
// 下面两个转码结果一样
public static String CHARSET_UTF_16 = "UTF-16";
public static String CHARSET_Unicode = "Unicode";
// GB2312 < GBK < GB18030
public static String CHARSET_GB2312 = "GB2312";
public static String CHARSET_GBK = "GBK";
public static String CHARSET_GB18030 = "GB18030";
public static String CHARSET_Big5 = "Big5";
/**************************** 算法 ****************************/
// 可解密/解码算法
public static String CRYPTO_ASCII = "Ascii";
public static String CRYPTO_HEX = "Hex";
public static String CRYPTO_BASE32 = "Base32";
public static String CRYPTO_BASE64 = "Base64";
public static String CRYPTO_URL = "URL";
// 不可解密算法
public static String CRYPTO_MD5 = "MD5";
public static String CRYPTO_SHA = "SHA";
public static String CRYPTO_SHA256 = "SHA256";
public static String CRYPTO_SHA384 = "SHA384";
public static String CRYPTO_SHA512 = "SHA512";
/**************************** 字体 ****************************/
/**
* 所有字体.
*/
public static Map<String, Font> availableFontsMap = availableFontsMap();
/**
* 中文字体集.
*/
public static String[] fontStyles_cn;
/**
* 中文字体.
*/
public static String fontStyle_cn;
/**
* 英文字体集.
*/
public static String[] fontStyles;
/**
* 英文字体.
*/
public static String fontStyle;
/**
* 支持Unicode的字体集.
*/
public static String[] fontStyles_un;
/**
* 支持Unicode的字体.
*/
public static String fontStyle_un;
public static Font font12_cn;
public static Font font13;
public static Font font13_cn;
public static Font font14_cn;
public static Font font14_un;
public static Font font14b;
public static Font font14b_cn;
public static Font font16;
/**************************** 文件大小单位 ****************************/
public static String FileSize_PB = "PB";
public static String FileSize_TB = "TB";
public static String FileSize_G = "G";
public static String FileSize_M = "M";
public static String FileSize_KB = "KB";
public static String FileSize_Byte = "Byte";
/**
* 初始化字体.
*/
public static void initFont() {
font12_cn = new Font(fontStyle_cn, Font.PLAIN, 12);
font13 = new Font(fontStyle, Font.PLAIN, 13);
font13_cn = new Font(fontStyle_cn, Font.PLAIN, 13);
font14_cn = new Font(fontStyle_cn, Font.PLAIN, 14);
font14_un = new Font(fontStyle_un, Font.PLAIN, 14);
font14b = new Font(fontStyle, Font.BOLD, 14);
font14b_cn = new Font(fontStyle_cn, Font.BOLD, 14);
font16 = new Font(fontStyle, Font.PLAIN, 16);
}
/**
* 当前Java虚拟机支持的charset.
*/
public static SortedMap<String, Charset> availableCharsets() {
return Charset.availableCharsets();
}
/**
* 支持的字体.
*/
public static Font[] availableFonts() {
GraphicsEnvironment environment = GraphicsEnvironment.getLocalGraphicsEnvironment();
return environment.getAllFonts();
}
/**
* 支持的字体.
*/
public static Map<String, Font> availableFontsMap() {
Font[] fonts = availableFonts();
Map<String, Font> fontsMap = new HashMap<String, Font>();
for (Font font : fonts) {
fontsMap.put(font.getFontName(), font);
}
return fontsMap;
}
/**
* 按字符集解码.
*/
public static String encode(String string, String encode, String decode) throws UnsupportedEncodingException {
return new String(string.getBytes(encode), decode);
}
/**
* 字符串前缀字符填充.
*/
public static String addFillString(String string, String fill, int interval) {
StringBuilder sb = new StringBuilder();
int len = string.length();
int loop = len / interval;
for (int i = 0; i < loop; i++) {
sb.append(fill).append(string.substring(interval * i, interval * (i + 1)));
}
if (loop * interval != len) {
sb.append(fill).append(string.substring(loop * interval, len));
}
return sb.toString();
}
/**
* 字符串前填充以满足固定长度.
*/
public static String fillStringBefore(String string, String fill, int size) {
StringBuilder sb = new StringBuilder();
int len = string.length();
for (int i = 0; i < size - len; i++) {
sb.append(fill);
}
return sb.append(string).toString();
}
/**
* 优先使用前面的字体，如果不存在，则一个一个向后查找..
*/
public static String getAvailableFont(String[] fontStyles) {
String fontName = "";
for (String fontStyle : fontStyles) {
if (availableFontsMap.containsKey(fontStyle)) {
fontName = fontStyle;
break;
}
}
return fontName;
}
/**
* 右填充字符串.
*
* <pre>
* 依据UTF-8编码中文占三个字节, 英文占一个字节, 且宋体下中文占两个半角空格位, 英文占一个半角空格位的特点;
* 变通填充为字符中有一个中文字符即当两个半角空格位, 一个英文字符即当一个半角空格位.
* </pre>
*/
public static String getFillUpString(String string, int size) {
StringBuilder sb = new StringBuilder(string);
int len = 0;
try {
len = string.length();
len = len + (string.getBytes("UTF-8").length - len) / 2;
} catch (UnsupportedEncodingException e) {
GuiUtils.log(e);
}
for (int i = 0; i < size - len; i++) {
sb.append(" ");
}
return sb.toString();
}
/**
* 计算时间, 形式1Days 2Hours 3Minutes 4Seconds.
*/
public static String getCountTime(long time) {
time = time / 1000L;
long minute = 60L;
long hour = minute * 60L;
long day = hour * 24L;
long seconds = time % minute;
long minutes = (time - seconds) % hour / minute;
long hours = (time - minutes - seconds) % day / hour;
long days = (time - hour - minutes - seconds) / day;
return days + " Days " + hours + " Hours " + minutes + " Minutes " + seconds + " Seconds";
}
/**
* 计算文件(单位)大小，单位为字节Byte.
*/
public static Double getCountFileSizeUnit(String size, String unit) {
return getCountFileSizeUnit(size.length() == 0 ? null : Double.parseDouble(size), unit);
}
/**
* 计算文件(单位)大小，单位为字节Byte.
*/
public static Double getCountFileSizeUnit(Double size, String unit) {
if (size == null) {
return null;
}
Double bSize = null;
int cas = 1024;
if (unit.equals(FileSize_Byte)) {
bSize = size;
} else if (unit.equals(FileSize_KB)) {
bSize = size * cas;
} else if (unit.equals(FileSize_M)) {
bSize = size * cas * cas;
} else if (unit.equals(FileSize_G)) {
bSize = size * cas * cas * cas;
} else if (unit.equals(FileSize_TB)) {
bSize = size * cas * cas * cas * cas;
} else if (unit.equals(FileSize_PB)) {
bSize = size * cas * cas * cas * cas * cas;
}
return bSize;
}
/**
* 获取目录img/icon目录下的图标.
*/
public static Icon getIcon(String path, Toolkit kit) {
return new ImageIcon(getImage(path, kit));
}
/**
* 获取目录img/icon目录下的图片.
*/
public static Image getImage(String path, Toolkit kit) {
URL imgURL = null;
try {
imgURL = new File(getActualPath(path)).toURI().toURL();
} catch (MalformedURLException e) {
GuiUtils.log("Load Image Error.", e);
}
return kit.getImage(imgURL);
}
/**
* 获取类加载路径下的图标.
*/
public static Icon getIconFromClassloader(String classLoaderImagePath, Toolkit kit) {
return new ImageIcon(getImageFromClassloader(classLoaderImagePath, kit));
}
/**
* 获取类加载路径下的图片.
*/
public static Image getImageFromClassloader(String classLoaderImagePath, Toolkit kit) {
URL imgURL = ClassLoader.getSystemResource(classLoaderImagePath); // 这种方式可以从jar包中获取资源路径
return kit.getImage(imgURL);
}
/**
* 获取与Jar lib或classes目录(前提是GuiUtils类被编译在其下)同级的文件(夹)或同级文件夹的子文件(夹)的绝对路径.
*/
public static String getActualPath(String path) {
return LIB_PARENT_PATH + path;
}
/**
* Jar lib或classes目录(前提是GuiUtils类被编译在其下)的父路径.
*/
private static String LIB_PARENT_PATH = getLibParentPath();
/**
* 获取Jar lib或classes目录(前提是GuiUtils类被编译在其下)的父路径.
*/
private static String getLibParentPath() {
String classResource = GuiUtils.class.getName().replace(".", "/") + ".class";
String path = "";
try {
path = GuiUtils.class.getClassLoader().getResource(classResource).getPath();
path = path.replace("+", "%2b"); // "+"号decode后为空格" "，"%2b"号decode后为"+"号
path = URLDecoder.decode(path, "UTF-8");
path = path.substring(0, path.length() - classResource.length());
if (path.contains(".jar!")) {
path = path.substring(5, path.indexOf(".jar!") + 4);
path = path.substring(0, path.lastIndexOf("/"));
path = path.substring(0, path.length() - "lib".length());
} else {
path = path.substring(0, path.length() - "classes".length() - 1);
}
} catch (UnsupportedEncodingException e) {
GuiUtils.log(e);
}
return path;
}
/**
* 消息输出到控制台.
*
* @param msg 消息
*/
public static void log(String msg) {
GuiMain.msgTextArea.append(msg + "\n");
}
/**
* 异常输出到控制台.
*
* @param e 异常
*/
public static void log(Exception e) {
StackTraceElement[] ste = e.getStackTrace();
StringBuilder esb = new StringBuilder();
esb.append("Exception: ").append(e.getClass().getName()).append(": ").append(e.getMessage()).append("\n");
for (int i = 0; i < 5 && i < ste.length; i++) {
esb.append(" ").append(ste[i].toString()).append("\n");
}
GuiMain.msgTextArea.append(esb.toString());
}
/**
* 消息、异常输出到控制台.
*
* @param msg 消息
* @param e 异常
*/
public static void log(String msg, Exception e) {
log(msg);
log(e.getMessage());
}
/**
* parseFalse, 有且仅当对象toString值equalsIgnoreCase("false")时返回false, 其他时候返回true.
*/
public static boolean parseFalse(Object obj) {
return toString(obj).equalsIgnoreCase("false") ? false : true;
}
/**
* trim.
*/
public static String trim(Object obj) {
return toString(obj).trim();
}
/**
* toString.
*/
public static String toString(Object obj) {
return obj == null ? "" : obj.toString();
}
}