001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/framework/util/JavaUtils.java $
002    /*----------------------------------------------------------------------------
003     This file is part of deegree, http://deegree.org/
004     Copyright (C) 2001-2009 by:
005     Department of Geography, University of Bonn
006     and
007     lat/lon GmbH
008    
009     This library is free software; you can redistribute it and/or modify it under
010     the terms of the GNU Lesser General Public License as published by the Free
011     Software Foundation; either version 2.1 of the License, or (at your option)
012     any later version.
013     This library is distributed in the hope that it will be useful, but WITHOUT
014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016     details.
017     You should have received a copy of the GNU Lesser General Public License
018     along with this library; if not, write to the Free Software Foundation, Inc.,
019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020    
021     Contact information:
022    
023     lat/lon GmbH
024     Aennchenstr. 19, 53177 Bonn
025     Germany
026     http://lat-lon.de/
027    
028     Department of Geography, University of Bonn
029     Prof. Dr. Klaus Greve
030     Postfach 1147, 53001 Bonn
031     Germany
032     http://www.geographie.uni-bonn.de/deegree/
033    
034     e-mail: info@deegree.org
035     ----------------------------------------------------------------------------*/
036    
037    package org.deegree.framework.util;
038    
039    import static java.lang.reflect.Modifier.STATIC;
040    import static org.deegree.framework.log.LoggerFactory.getLogger;
041    
042    import java.lang.reflect.Field;
043    import java.util.Collection;
044    
045    import org.deegree.framework.log.ILogger;
046    
047    /**
048     * <code>JavaUtils</code>
049     * 
050     * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
051     * @author last edited by: $Author: aschmitz $
052     * 
053     * @version $Revision: 20893 $, $Date: 2009-11-19 14:31:51 +0100 (Do, 19 Nov 2009) $
054     */
055    public class JavaUtils {
056    
057        private static final ILogger LOG = getLogger( JavaUtils.class );
058    
059        /**
060         * @param o
061         * @return a string describing the object's fields' values
062         */
063        public static String generateToString( Object o ) {
064            if ( o == null ) {
065                return null;
066            }
067    
068            Class<?> c = o.getClass();
069            StringBuffer sb = new StringBuffer( c.getSimpleName() ).append( " [" );
070            do {
071                for ( Field f : c.getDeclaredFields() ) {
072                    Class<?> t = f.getType();
073                    try {
074                        if ( ( f.getModifiers() & STATIC ) != 0 ) {
075                            continue;
076                        }
077                        f.setAccessible( true );
078                        if ( t.isPrimitive() || t.isEnum() || ( f.get( o ) instanceof Collection<?> ) ) {
079                            sb.append( f.getName() ).append( ": " ).append( f.get( o ) ).append( ", " );
080                        } else {
081                            String s = generateToString( f.get( o ) );
082                            if ( s != null ) {
083                                sb.append( f.getName() ).append( ": " ).append( s ).append( ", " );
084                            }
085                        }
086                    } catch ( IllegalArgumentException e ) {
087                        LOG.logDebug( "Stack trace while trying to output an object: ", e );
088                    } catch ( IllegalAccessException e ) {
089                        LOG.logDebug( "Stack trace while trying to output an object: ", e );
090                    }
091                }
092            } while ( ( c = c.getSuperclass() ) != null );
093    
094            return sb.append( "]" ).toString();
095        }
096    
097    }