Class TypeUtil

java.lang.Object
org.eclipse.jetty.util.TypeUtil

@Deprecated(since="2021-05-27") public class TypeUtil extends Object
Deprecated.
The Eclipse Jetty and Apache Felix Http Jetty packages are no longer supported.
TYPE Utilities. Provides various static utility methods for manipulating types and their string representations.
Since:
Jetty 4.1
  • Field Details

  • Constructor Details

    • TypeUtil

      public TypeUtil()
      Deprecated.
  • Method Details

    • asList

      public static <T> List<T> asList(T[] a)
      Deprecated.
      Array to List.

      Works like Arrays.asList(Object...), but handles null arrays.

      Type Parameters:
      T - the array and list entry type
      Parameters:
      a - the array to convert to a list
      Returns:
      a list backed by the array.
    • fromName

      public static Class<?> fromName(String name)
      Deprecated.
      Class from a canonical name for a type.
      Parameters:
      name - A class or type name.
      Returns:
      A class , which may be a primitive TYPE field..
    • toName

      public static String toName(Class<?> type)
      Deprecated.
      Canonical name for a type.
      Parameters:
      type - A class , which may be a primitive TYPE field.
      Returns:
      Canonical name.
    • toClassReference

      public static String toClassReference(Class<?> clazz)
      Deprecated.
      Return the Classpath / Classloader reference for the provided class file.

      Convenience method for the code

       String ref = myObject.getClass().getName().replace('.','/') + ".class";
       
      Parameters:
      clazz - the class to reference
      Returns:
      the classpath reference syntax for the class file
    • toClassReference

      public static String toClassReference(String className)
      Deprecated.
      Return the Classpath / Classloader reference for the provided class file.

      Convenience method for the code

       String ref = myClassName.replace('.','/') + ".class";
       
      Parameters:
      className - the class to reference
      Returns:
      the classpath reference syntax for the class file
    • valueOf

      public static Object valueOf(Class<?> type, String value)
      Deprecated.
      Convert String value to instance.
      Parameters:
      type - The class of the instance, which may be a primitive TYPE field.
      value - The value as a string.
      Returns:
      The value as an Object.
    • valueOf

      public static Object valueOf(String type, String value)
      Deprecated.
      Convert String value to instance.
      Parameters:
      type - classname or type (eg int)
      value - The value as a string.
      Returns:
      The value as an Object.
    • parseInt

      public static int parseInt(String s, int offset, int length, int base) throws NumberFormatException
      Deprecated.
      Parse an int from a substring. Negative numbers are not handled.
      Parameters:
      s - String
      offset - Offset within string
      length - Length of integer or -1 for remainder of string
      base - base of the integer
      Returns:
      the parsed integer
      Throws:
      NumberFormatException - if the string cannot be parsed
    • parseInt

      public static int parseInt(byte[] b, int offset, int length, int base) throws NumberFormatException
      Deprecated.
      Parse an int from a byte array of ascii characters. Negative numbers are not handled.
      Parameters:
      b - byte array
      offset - Offset within string
      length - Length of integer or -1 for remainder of string
      base - base of the integer
      Returns:
      the parsed integer
      Throws:
      NumberFormatException - if the array cannot be parsed into an integer
    • parseBytes

      public static byte[] parseBytes(String s, int base)
      Deprecated.
    • toString

      public static String toString(byte[] bytes, int base)
      Deprecated.
    • convertHexDigit

      public static byte convertHexDigit(byte c)
      Deprecated.
      Parameters:
      c - An ASCII encoded character 0-9 a-f A-F
      Returns:
      The byte value of the character 0-16.
    • convertHexDigit

      public static int convertHexDigit(char c)
      Deprecated.
      Parameters:
      c - An ASCII encoded character 0-9 a-f A-F
      Returns:
      The byte value of the character 0-16.
    • convertHexDigit

      public static int convertHexDigit(int c)
      Deprecated.
      Parameters:
      c - An ASCII encoded character 0-9 a-f A-F
      Returns:
      The byte value of the character 0-16.
    • toHex

      public static void toHex(byte b, Appendable buf)
      Deprecated.
    • toHex

      public static void toHex(int value, Appendable buf) throws IOException
      Deprecated.
      Throws:
      IOException
    • toHex

      public static void toHex(long value, Appendable buf) throws IOException
      Deprecated.
      Throws:
      IOException
    • toHexString

      public static String toHexString(byte b)
      Deprecated.
    • toHexString

      public static String toHexString(byte[] b)
      Deprecated.
    • toHexString

      public static String toHexString(byte[] b, int offset, int length)
      Deprecated.
    • fromHexString

      public static byte[] fromHexString(String s)
      Deprecated.
    • dump

      public static void dump(Class<?> c)
      Deprecated.
    • dump

      public static void dump(ClassLoader cl)
      Deprecated.
    • call

      @Deprecated public static Object call(Class<?> oClass, String methodName, Object obj, Object[] arg) throws InvocationTargetException, NoSuchMethodException
      Deprecated.
      Throws:
      InvocationTargetException
      NoSuchMethodException
    • construct

      @Deprecated public static Object construct(Class<?> klass, Object[] arguments) throws InvocationTargetException, NoSuchMethodException
      Deprecated.
      Throws:
      InvocationTargetException
      NoSuchMethodException
    • construct

      @Deprecated public static Object construct(Class<?> klass, Object[] arguments, Map<String,Object> namedArgMap) throws InvocationTargetException, NoSuchMethodException
      Deprecated.
      Throws:
      InvocationTargetException
      NoSuchMethodException
    • isTrue

      public static boolean isTrue(Object o)
      Deprecated.
      Parameters:
      o - Object to test for true
      Returns:
      True if passed object is not null and is either a Boolean with value true or evaluates to a string that evaluates to true.
    • isFalse

      public static boolean isFalse(Object o)
      Deprecated.
      Parameters:
      o - Object to test for false
      Returns:
      True if passed object is not null and is either a Boolean with value false or evaluates to a string that evaluates to false.
    • getLocationOfClass

      public static URI getLocationOfClass(Class<?> clazz)
      Deprecated.
      Attempt to find the Location of a loaded Class.

      This can be null for primitives, void, and in-memory classes.

      Parameters:
      clazz - the loaded class to find a location for.
      Returns:
      the location as a URI (this is a URI pointing to a holder of the class: a directory, a jar file, a jrt:// resource, etc), or null of no location available.
    • getClassLoaderLocation

      public static URI getClassLoaderLocation(Class<?> clazz)
      Deprecated.
    • getSystemClassLoaderLocation

      public static URI getSystemClassLoaderLocation(Class<?> clazz)
      Deprecated.
    • getClassLoaderLocation

      public static URI getClassLoaderLocation(Class<?> clazz, ClassLoader loader)
      Deprecated.
    • getCodeSourceLocation

      public static URI getCodeSourceLocation(Class<?> clazz)
      Deprecated.
    • getModuleLocation

      public static URI getModuleLocation(Class<?> clazz)
      Deprecated.