+++ /dev/null
-/* Copyright (C) 2001 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-package javax.naming;
-
-import java.io.Serializable;
-import java.util.Enumeration;
-import java.util.NoSuchElementException;
-import java.util.Vector;
-
-/**
- * @author Tom Tromey <tromey@redhat.com>
- * @date May 16, 2001
- *
- * FIXME: must write readObject and writeObject to conform to
- * serialization spec.
- */
-public class CompositeName implements Name, Cloneable, Serializable
-{
- public CompositeName ()
- {
- elts = new Vector ();
- }
-
- protected CompositeName (Enumeration comps)
- {
- elts = new Vector ();
- try
- {
- while (comps.hasMoreElements ())
- elts.add (comps.nextElement ());
- }
- catch (NoSuchElementException ignore)
- {
- }
- }
-
- public CompositeName (String n) throws InvalidNameException
- {
- elts = new Vector ();
- // Parse the string into its components.
- final char no_quote = 'x'; // Use 'x' to mean no quoting.
- char quote = no_quote;
- boolean escaped = false;
- StringBuffer new_element = new StringBuffer ();
- for (int i = 0; i < n.length (); ++i)
- {
- char c = n.charAt (i);
- if (escaped)
- escaped = false;
- else if (c == '\\')
- {
- escaped = true;
- continue;
- }
- else if (quote != no_quote)
- {
- if (quote == c)
- {
- // The quotes must surround a complete component.
- if (i + 1 < n.length () && n.charAt (i + 1) != '/')
- throw new InvalidNameException ("close quote before end of component");
- elts.add (new_element.toString ());
- new_element.setLength (0);
- quote = no_quote;
- continue;
- }
- // Otherwise, fall through.
- }
- // Quotes are only special at the start of a component.
- else if (new_element.length () == 0
- && (c == '\'' || c == '"'))
- {
- quote = c;
- continue;
- }
- else if (c == '/')
- {
- elts.add (new_element.toString ());
- new_element.setLength (0);
- continue;
- }
-
- new_element.append (c);
- }
-
- if (new_element.length () != 0)
- elts.add (new_element.toString ());
-
- // Error checking.
- if (quote != no_quote)
- throw new InvalidNameException ("unterminated quote");
- if (escaped)
- throw new InvalidNameException ("trailing escape character");
- }
-
- public Name add (int posn, String comp) throws InvalidNameException
- {
- elts.add (posn, comp);
- return this;
- }
-
- public Name add (String comp) throws InvalidNameException
- {
- elts.add (comp);
- return this;
- }
-
- public Name addAll (int posn, Name n) throws InvalidNameException
- {
- Enumeration e = n.getAll ();
- try
- {
- while (e.hasMoreElements ())
- {
- elts.add (posn, e.nextElement ());
- ++posn;
- }
- }
- catch (NoSuchElementException ignore)
- {
- }
- return this;
- }
-
- public Name addAll (Name suffix) throws InvalidNameException
- {
- Enumeration e = suffix.getAll ();
- try
- {
- while (e.hasMoreElements ())
- elts.add (e.nextElement ());
- }
- catch (NoSuchElementException ignore)
- {
- }
- return this;
- }
-
- public Object clone ()
- {
- return new CompositeName (elts.elements ());
- }
-
- public int compareTo (Object obj)
- {
- if (obj == null || ! (obj instanceof CompositeName))
- throw new ClassCastException ("CompositeName.compareTo() expected CompositeName");
- CompositeName cn = (CompositeName) obj;
- int last = Math.min (cn.elts.size (), elts.size ());
- for (int i = 0; i < last; ++i)
- {
- String f = (String) elts.get (i);
- int comp = f.compareTo ((String) cn.elts.get (i));
- if (comp != 0)
- return comp;
- }
- return elts.size () - cn.elts.size ();
- }
-
- public boolean endsWith (Name n)
- {
- if (! (n instanceof CompositeName))
- return false;
- CompositeName cn = (CompositeName) n;
- if (cn.elts.size () > elts.size ())
- return false;
- int delta = elts.size () - cn.elts.size ();
- for (int i = 0; i < cn.elts.size (); ++i)
- {
- if (! cn.elts.get (i).equals (elts.get (delta + i)))
- return false;
- }
- return true;
- }
-
- public boolean equals (Object obj)
- {
- if (! (obj instanceof CompositeName))
- return false;
- CompositeName cn = (CompositeName) obj;
- return elts.equals (cn.elts);
- }
-
- public String get (int posn)
- {
- return (String) elts.get (posn);
- }
-
- public Enumeration getAll ()
- {
- return elts.elements ();
- }
-
- public Name getPrefix (int posn)
- {
- CompositeName cn = new CompositeName ();
- for (int i = 0; i < posn; ++i)
- cn.elts.add ((String) elts.get (i));
- return cn;
- }
-
- public Name getSuffix (int posn)
- {
- if (posn > elts.size ())
- throw new ArrayIndexOutOfBoundsException (posn);
- CompositeName cn = new CompositeName ();
- for (int i = posn; i < elts.size (); ++i)
- cn.elts.add ((String) elts.get (i));
- return cn;
- }
-
- public int hashCode ()
- {
- // Specified in documentation.
- int h = 0;
- for (int i = 0; i < elts.size (); ++i)
- h += elts.get (i).hashCode ();
- return h;
- }
-
- public boolean isEmpty ()
- {
- return elts.isEmpty ();
- }
-
- public Object remove (int posn) throws InvalidNameException
- {
- return elts.remove (posn);
- }
-
- public int size ()
- {
- return elts.size ();
- }
-
- public boolean startsWith (Name n)
- {
- if (! (n instanceof CompositeName))
- return false;
- CompositeName cn = (CompositeName) n;
- if (cn.elts.size () > elts.size ())
- return false;
- for (int i = 0; i < cn.elts.size (); ++i)
- {
- if (! cn.elts.get (i).equals (elts.get (i)))
- return false;
- }
- return true;
- }
-
- public String toString ()
- {
- StringBuffer result = new StringBuffer ();
- for (int i = 0; i < elts.size (); ++i)
- {
- // For simplicity we choose to always quote using escapes and
- // never quotes.
- String elt = (String) elts.get (i);
- if (i > 0
- || (i == elts.size () - 1 && elt.equals ("")))
- result.append ('/');
- for (int k = 0; k < elt.length (); ++k)
- {
- char c = elt.charAt (k);
- // We must quote
- // ... a leading quote,
- if ((k == 0 && (c == '"' || c == '\''))
- // ... an escape preceding a meta character,
- // or at the end of a component,
- || (c == '\\'
- && (k == elt.length () - 1
- || "\\'\"/".indexOf (elt.charAt (k + 1)) != -1))
- // ... or a component separator.
- || c == '/')
- result.append ('\\');
- result.append (c);
- }
- }
- return result.toString ();
- }
-
- private transient Vector elts;
-}
projects / msp430-gcc.git / blobdiff