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8306729: Add nominal descriptors of modules and packages to Constants API

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Reviewed-by: mchung
This commit is contained in:
Adam Sotona 2023-05-03 06:34:58 +00:00
parent 0b5b6429a0
commit c8f37564bf
8 changed files with 467 additions and 0 deletions
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60
src/java.base/share/classes/java/lang/constant/ConstantUtils.java
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@ -75,6 +75,66 @@ class ConstantUtils {
return name;
}
/**
* Validates the correctness of a binary package name.
* In particular checks for the presence of invalid characters in the name.
* Empty package name is allowed.
*
* @param name the package name
* @return the package name passed if valid
* @throws IllegalArgumentException if the package name is invalid
* @throws NullPointerException if the package name is {@code null}
*/
public static String validateBinaryPackageName(String name) {
for (int i=0; i<name.length(); i++) {
char ch = name.charAt(i);
if (ch == ';' || ch == '[' || ch == '/')
throw new IllegalArgumentException("Invalid package name: " + name);
}
return name;
}
/**
* Validates the correctness of an internal package name.
* In particular checks for the presence of invalid characters in the name.
* Empty package name is allowed.
*
* @param name the package name
* @return the package name passed if valid
* @throws IllegalArgumentException if the package name is invalid
* @throws NullPointerException if the package name is {@code null}
*/
public static String validateInternalPackageName(String name) {
for (int i=0; i<name.length(); i++) {
char ch = name.charAt(i);
if (ch == ';' || ch == '[' || ch == '.')
throw new IllegalArgumentException("Invalid package name: " + name);
}
return name;
}
/**
* Validates the correctness of a module name.
* In particular checks for the presence of invalid characters in the name.
* Empty module name is allowed.
*
* {@jvms 4.2.3} Module and Package Names
*
* @param name the module name
* @return the module name passed if valid
* @throws IllegalArgumentException if the module name is invalid
* @throws NullPointerException if the module name is {@code null}
*/
public static String validateModuleName(String name) {
for (int i=name.length() - 1; i >= 0; i--) {
char ch = name.charAt(i);
if ((ch >= '\u0000' && ch <= '\u001F')
|| ((ch == '\\' || ch == ':' || ch =='@') && (i == 0 || name.charAt(--i) != '\\')))
throw new IllegalArgumentException("Invalid module name: " + name);
}
return name;
}
/**
* Validates a member name
*