aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.bind.v2.schemagen;
aoqi@0: 
aoqi@0: 
aoqi@0: /**
aoqi@0:  * TODO: JAX-WS dependes on this class - consider moving it somewhere more stable, Notify JAX-WS before modifying anything...
aoqi@0:  *
aoqi@0:  * Other miscellaneous utility methods.
aoqi@0:  *
aoqi@0:  * @author
aoqi@0:  *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
aoqi@0:  */
aoqi@0: public final class Util {
aoqi@0:     private Util() {}   // no instanciation please
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Escape any characters that would cause the single arg constructor
aoqi@0:      * of java.net.URI to complain about illegal chars.
aoqi@0:      *
aoqi@0:      * @param s source string to be escaped
aoqi@0:      */
aoqi@0:     public static String escapeURI(String s) {
aoqi@0:         StringBuilder sb = new StringBuilder();
aoqi@0:         for( int i = 0; i < s.length(); i++ ) {
aoqi@0:             char c = s.charAt(i);
aoqi@0:             if(Character.isSpaceChar(c)) {
aoqi@0:                 sb.append("%20");
aoqi@0:             } else {
aoqi@0:                 sb.append(c);
aoqi@0:             }
aoqi@0:         }
aoqi@0:         return sb.toString();
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Calculate the parent URI path of the given URI path.
aoqi@0:      *
aoqi@0:      * @param uriPath the uriPath (as returned by java.net.URI#getPath()
aoqi@0:      * @return the parent URI path of the given URI path
aoqi@0:      */
aoqi@0:     public static String getParentUriPath(String uriPath) {
aoqi@0:         int idx = uriPath.lastIndexOf('/');
aoqi@0: 
aoqi@0:         if (uriPath.endsWith("/")) {
aoqi@0:             uriPath = uriPath.substring(0,idx); // trim trailing slash
aoqi@0:             idx = uriPath.lastIndexOf('/'); // move idx to parent context
aoqi@0:         }
aoqi@0: 
aoqi@0:         return uriPath.substring(0, idx)+"/";
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Calculate the normalized form of the given uriPath.
aoqi@0:      *
aoqi@0:      * For example:
aoqi@0:      *    /a/b/c/ -> /a/b/c/
aoqi@0:      *    /a/b/c  -> /a/b/
aoqi@0:      *    /a/     -> /a/
aoqi@0:      *    /a      -> /
aoqi@0:      *
aoqi@0:      * @param uriPath path of a URI (as returned by java.net.URI#getPath()
aoqi@0:      * @return the normalized uri path
aoqi@0:      */
aoqi@0:     public static String normalizeUriPath(String uriPath) {
aoqi@0:         if (uriPath.endsWith("/"))
aoqi@0:             return uriPath;
aoqi@0: 
aoqi@0:         // the uri path should always have at least a leading slash,
aoqi@0:         // so no need to make sure that ( idx == -1 )
aoqi@0:         int idx = uriPath.lastIndexOf('/');
aoqi@0:         return uriPath.substring(0, idx+1);
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * determine if two Strings are equal ignoring case allowing null values
aoqi@0:      *
aoqi@0:      * @param s string 1
aoqi@0:      * @param t string 2
aoqi@0:      * @return true iff the given strings are equal ignoring case, false if they aren't
aoqi@0:      * equal or either of them are null.
aoqi@0:      */
aoqi@0:     public static boolean equalsIgnoreCase(String s, String t) {
aoqi@0:         if (s == t) return true;
aoqi@0:         if ((s != null) && (t != null)) {
aoqi@0:             return s.equalsIgnoreCase(t);
aoqi@0:         }
aoqi@0:         return false;
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * determine if two Strings are iqual allowing null values
aoqi@0:      *
aoqi@0:      * @param s string 1
aoqi@0:      * @param t string 2
aoqi@0:      * @return true iff the strings are equal, false if they aren't equal or either of
aoqi@0:      * them are null.
aoqi@0:      */
aoqi@0:     public static boolean equal(String s, String t) {
aoqi@0:         if (s == t) return true;
aoqi@0:         if ((s != null) && (t != null)) {
aoqi@0:             return s.equals(t);
aoqi@0:         }
aoqi@0:         return false;
aoqi@0:     }
aoqi@0: }