MeteoInfo/meteoinfo-console/src/main/java/org/meteoinfo/console/StringUtil.java

/**
 * ***************************************************************************
 * Licensed to the Apache Software Foundation (ASF) under one                *
 * or more contributor license agreements.  See the NOTICE file              *
 * distributed with this work for additional information                     *
 * regarding copyright ownership.  The ASF licenses this file                *
 * to you under the Apache License, Version 2.0 (the                         *
 * "License"); you may not use this file except in compliance                *
 * with the License.  You may obtain a copy of the License at                *
 *                                                                           *
 *     http://www.apache.org/licenses/LICENSE-2.0                            *
 *                                                                           *
 * Unless required by applicable law or agreed to in writing,                *
 * software distributed under the License is distributed on an               *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY                    *
 * KIND, either express or implied.  See the License for the                 *
 * specific language governing permissions and limitations                   *
 * under the License.                                                        *
 *                                                                           *
 *                                                                           *
 * This file is part of the BeanShell Java Scripting distribution.           *
 * Documentation and updates may be found at http://www.beanshell.org/       *
 * Patrick Niemeyer (pat@pat.net)                                            *
 * Author of Learning Java, O'Reilly & Associates                            *
 *                                                                           *
 ****************************************************************************
 */
package org.meteoinfo.console;

import java.util.StringTokenizer;
import java.util.Vector;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class StringUtil {

    public static String[] split(String s, String delim) {
        Vector v = new Vector();
        StringTokenizer st = new StringTokenizer(s, delim);
        while (st.hasMoreTokens()) {
            v.addElement(st.nextToken());
        }
        String[] sa = new String[v.size()];
        v.copyInto(sa);
        return sa;
    }

    public static String[] bubbleSort(String[] in) {
        Vector v = new Vector();
        for (int i = 0; i < in.length; i++) {
            v.addElement(in[i]);
        }

        int n = v.size();
        boolean swap = true;
        while (swap) {
            swap = false;
            for (int i = 0; i < (n - 1); i++) {
                if (((String) v.elementAt(i)).compareTo(
                        ((String) v.elementAt(i + 1))) > 0) {
                    String tmp = (String) v.elementAt(i + 1);
                    v.removeElementAt(i + 1);
                    v.insertElementAt(tmp, i);
                    swap = true;
                }
            }
        }

        String[] out = new String[n];
        v.copyInto(out);
        return out;
    }

    public static String maxCommonPrefix(String one, String two) {
        int i = 0;
        while (one.regionMatches(0, two, 0, i)) {
            i++;
        }
        return one.substring(0, i - 1);
    }

    public static String methodString(String name, Class[] types) {
        StringBuffer sb = new StringBuffer(name + "(");
        if (types.length > 0) {
            sb.append(" ");
        }
        for (int i = 0; i < types.length; i++) {
            Class c = types[i];
            sb.append(((c == null) ? "null" : c.getName())
                    + (i < (types.length - 1) ? ", " : " "));
        }
        sb.append(")");
        return sb.toString();
    }

    /**
     * Convert unicode string to character string
     *
     * @param unicodeString Unicode string
     * @return Character string
     */
    public static String unicodeToString(String unicodeString) {
        Pattern pattern = Pattern.compile("\\\\u[0-9a-fA-F]{4}");
        Matcher matcher = pattern.matcher(unicodeString);
        StringBuffer builder = new StringBuffer();
        while (matcher.find()) {
            String unicodeSequence = matcher.group();
            char unicode = (char) Integer.parseInt(unicodeSequence.substring(2), 16);
            matcher.appendReplacement(builder, Character.toString(unicode));
        }
        matcher.appendTail(builder);

        return builder.toString();
    }

    /**
     * Split a filename into dirName, baseName
     *
     * @return String [] { dirName, baseName } public String [] splitFileName(
     * String fileName ) { String dirName, baseName; int i =
     * fileName.lastIndexOf( File.separator ); if ( i != -1 ) { dirName =
     * fileName.substring(0, i); baseName = fileName.substring(i+1); } else
     * baseName = fileName;
     *
     * return new String[] { dirName, baseName }; }
     *
     */
    /**
     * Hack - The real method is in Reflect.java which is not public.
     */
    public static String normalizeClassName(Class type) {
        //return Reflect.normalizeClassName( type );
        return null;
    }
}