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net.gdface.utils.NameStringUtils Maven / Gradle / Ivy
package net.gdface.utils;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
/**
* @author guyadong
*
*/
public final class NameStringUtils {
private static final String[] JAVA_RESERVED_WORDS = new String[]{"null", "true", "false", "abstract", "double", "int", "strictfp",
"boolean", "else", "interface", "super", "break", "extends", "long", "switch", "byte", "final", "native",
"synchronized", "case", "finally", "new", "this", "catch", "float", "package", "throw", "char", "for",
"private", "throws", "class", "goto", "protected", "transient", "const", "if", "public", "try", "continue",
"implements", "return", "void", "default", "import", "short", "volatile", "do", "instanceof", "static",
"while", "assert", "enum"};
/** thrift IDL 关键字 */
private static final String[] THRIFT_RESERVED_WORDS = new String[]{"bool","byte","i16","i32","i64","double",
"binary","string","list","set","map","typedef","enum","struct","namespace","include","const","required","optional"
};
private static final Set JAVA_RESERVED_KEYS = new HashSet(Arrays.asList(JAVA_RESERVED_WORDS));
private static final Set THRIFT_RESERVED_KEYS = new HashSet(Arrays.asList(THRIFT_RESERVED_WORDS));
public static String pathFromPpackage(String pkg) {
if (pkg == null) {
return "";
}
return pkg.replace('.', '/');
}
public static String pathFromPackage(Package pkg) {
return pathFromPpackage(null == pkg ? null : pkg.getName());
}
public static String convertName(String name, boolean wimpyCaps) {
StringBuffer buffer = new StringBuffer(name.length());
char[] list = name.toLowerCase().toCharArray();
for (int i = 0; i < list.length; ++i) {
if (i == 0 && !wimpyCaps) {
buffer.append(Character.toUpperCase(list[i]));
continue;
}
if (list[i] == '_' && i + 1 < list.length && i != 0) {
buffer.append(Character.toUpperCase(list[++i]));
continue;
}
buffer.append(list[i]);
}
return buffer.toString();
}
/**
* 字符串首字母大写
* @param name
* @return 转换后的字符串
*/
public static String firstUpperCase(String name){
if(Judge.isEmpty(name)){
return name;
}
char[] list = name.toCharArray();
list[0] = Character.toUpperCase(list[0]);
return new String(list);
}
public static boolean isJavaReserved(String name) {
return null == name ? false : JAVA_RESERVED_KEYS.contains(name);
}
public static boolean isThriftReserved(String name) {
return null == name ? false : THRIFT_RESERVED_KEYS.contains(name);
}
}
