Str.java

package com.mysql.management.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;

/*
 Copyright (C) 2004 MySQL AB

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License version 2 as 
 published by the Free Software Foundation.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

/**
 * String utility methods.
 * 
 * This class is final simply as a hint to the compiler, it may be un-finalized
 * safely.
 * 
 * @author Eric Herman <eric@mysql.com>
 * @version $Id: Str.java,v 1.2 2007-04-22 09:57:54 nambar Exp $
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public final class Str {
    /* merge with other string utility */

    private String newLine;

    public Str() {
        newLine = System.getProperty("line.separator");
    }

    public boolean containsIgnoreCase(String searchIn, String searchFor) {

        return searchIn.toLowerCase().indexOf(searchFor.toLowerCase()) != -1;
    }

    public String newLine() {
        return newLine;
    }

    public String[] toStringArray(List strings) {
        return (String[]) strings.toArray(new String[strings.size()]);
    }

    /**
     * convienence method:
     * 
     * @return shortClassName(obj.getClass());
     */
    public String shortClassName(Object obj) {
        return shortClassName(obj.getClass());
    }

    /**
     * returns the unquallified "short" name of a class (no package info)
     * returns "String" for java.lang.String.class returns "Bar" for
     * foo.Bar.class returns "Foo" for Foo.class (in the default package)
     */
    public String shortClassName(Class aClass) {
        String name = aClass.getName();
        int lastDot = name.lastIndexOf('.');
        return name.substring(lastDot + 1);
    }

    /**
     * wrapper method for Class.forName(string) which converts
     * ClassNotFoundException to RuntimeException
     */
    public Class classForName(final String className) {
        return (Class) new Exceptions.Block() {
            @Override
			protected Object inner() throws ClassNotFoundException {
                return Class.forName(className);
            }
        }.exec();
    }

    /**
     * returns an array of strings as read via a StringReader
     */
    public String[] splitLines(String str) {
        List lines = new ArrayList();
        StringReader stringReader = new StringReader(str);
        final BufferedReader reader = new BufferedReader(stringReader);
        Exceptions.StringBlock block = new Exceptions.StringBlock() {
            @Override
			protected String inner() throws IOException {
                return reader.readLine();
            }
        };
        while (true) {
            String line = block.exec();
            if (line == null) {
                break;
            }
            lines.add(line);
        }
        return (String[]) lines.toArray(new String[lines.size()]);
    }

    public boolean parseDefaultTrue(Object obj) {
        return obj == null
                || !obj.toString().equalsIgnoreCase(Boolean.FALSE.toString());
    }
}