001: /*
002: * ====================================================================
003: * JAFFA - Java Application Framework For All
004: *
005: * Copyright (C) 2002 JAFFA Development Group
006: *
007: * This library is free software; you can redistribute it and/or
008: * modify it under the terms of the GNU Lesser General Public
009: * License as published by the Free Software Foundation; either
010: * version 2.1 of the License, or (at your option) any later version.
011: *
012: * This library is distributed in the hope that it will be useful,
013: * but WITHOUT ANY WARRANTY; without even the implied warranty of
014: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015: * Lesser General Public License for more details.
016: *
017: * You should have received a copy of the GNU Lesser General Public
018: * License along with this library; if not, write to the Free Software
019: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020: *
021: * Redistribution and use of this software and associated documentation ("Software"),
022: * with or without modification, are permitted provided that the following conditions are met:
023: * 1. Redistributions of source code must retain copyright statements and notices.
024: * Redistributions must also contain a copy of this document.
025: * 2. Redistributions in binary form must reproduce the above copyright notice,
026: * this list of conditions and the following disclaimer in the documentation
027: * and/or other materials provided with the distribution.
028: * 3. The name "JAFFA" must not be used to endorse or promote products derived from
029: * this Software without prior written permission. For written permission,
030: * please contact mail to: jaffagroup@yahoo.com.
031: * 4. Products derived from this Software may not be called "JAFFA" nor may "JAFFA"
032: * appear in their names without prior written permission.
033: * 5. Due credit should be given to the JAFFA Project (http://jaffa.sourceforge.net).
034: *
035: * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046: * SUCH DAMAGE.
047: * ====================================================================
048: */
049:
050: package org.jaffa.rules.metadata;
051:
052: import java.util.*;
053:
054: /** An instance of this class represents a domain object or DTO defined in the Rules config file. */
055: public class ClassMetaData {
056:
057: private String m_className;
058: private Map m_fields;
059:
060: /** Creates a new instance. */
061: public ClassMetaData() {
062: m_fields = new LinkedHashMap();
063: }
064:
065: /** Getter for the property className.
066: * @return Value of property className.
067: */
068: public String getClassName() {
069: return m_className;
070: }
071:
072: /** Setter for property className.
073: * @param className New value of property className.
074: */
075: public void setClassName(String className) {
076: m_className = className;
077: }
078:
079: /** Clears the fields.
080: */
081: public void clearFields() {
082: m_fields.clear();
083: }
084:
085: /** Add a field.
086: * @param field The field to be added.
087: */
088: public void addField(FieldMetaData field) {
089: m_fields.put(field.getName(), field);
090: }
091:
092: /** Getter for the property fields.
093: * @return Value of property fields.
094: */
095: public FieldMetaData[] getFields() {
096: return (FieldMetaData[]) m_fields.values().toArray(
097: new FieldMetaData[0]);
098: }
099:
100: /** Returns the FieldMetaData for the given field.
101: * @param fieldName the field for which the FieldMetaData is to be returned. A null will be returned in case no such definition is found.
102: * @return the FieldMetaData.
103: */
104: public FieldMetaData getField(String fieldName) {
105: return (FieldMetaData) m_fields.get(fieldName);
106: }
107:
108: /** Setter for property fields.
109: * @param fields New value of property fields.
110: */
111: public void setFields(FieldMetaData[] fields) {
112: clearFields();
113: if (fields != null) {
114: for (int i = 0; i < fields.length; i++)
115: addField(fields[i]);
116: }
117: }
118:
119: /** Returns diagnostic information.
120: * @return a String containing diagnostic information.
121: */
122: public String toString() {
123: StringBuffer buf = new StringBuffer("<ClassMetaData>");
124: buf.append("<className>");
125: if (m_className != null)
126: buf.append(m_className);
127: buf.append("</className>");
128: for (Iterator i = m_fields.values().iterator(); i.hasNext();)
129: buf.append(i.next());
130: buf.append("</ClassMetaData>");
131: return buf.toString();
132: }
133: }
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