001: /* ====================================================================
002: * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
003: *
004: * Copyright (c) 1995-2003 Jcorporate Ltd. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in
015: * the documentation and/or other materials provided with the
016: * distribution.
017: *
018: * 3. The end-user documentation included with the redistribution,
019: * if any, must include the following acknowledgment:
020: * "This product includes software developed by Jcorporate Ltd.
021: * (http://www.jcorporate.com/)."
022: * Alternately, this acknowledgment may appear in the software itself,
023: * if and wherever such third-party acknowledgments normally appear.
024: *
025: * 4. "Jcorporate" and product names such as "Expresso" must
026: * not be used to endorse or promote products derived from this
027: * software without prior written permission. For written permission,
028: * please contact info@jcorporate.com.
029: *
030: * 5. Products derived from this software may not be called "Expresso",
031: * or other Jcorporate product names; nor may "Expresso" or other
032: * Jcorporate product names appear in their name, without prior
033: * written permission of Jcorporate Ltd.
034: *
035: * 6. No product derived from this software may compete in the same
036: * market space, i.e. framework, without prior written permission
037: * of Jcorporate Ltd. For written permission, please contact
038: * partners@jcorporate.com.
039: *
040: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
041: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
042: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
043: * DISCLAIMED. IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
044: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
045: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
046: * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
047: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
048: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
049: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
050: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
051: * SUCH DAMAGE.
052: * ====================================================================
053: *
054: * This software consists of voluntary contributions made by many
055: * individuals on behalf of the Jcorporate Ltd. Contributions back
056: * to the project(s) are encouraged when you make modifications.
057: * Please send them to support@jcorporate.com. For more information
058: * on Jcorporate Ltd. and its products, please see
059: * <http://www.jcorporate.com/>.
060: *
061: * Portions of this software are based upon other open source
062: * products and are subject to their respective licenses.
063: */
064: package com.jcorporate.expresso.kernel.metadata;
065:
066: import com.jcorporate.expresso.kernel.Configuration;
067: import com.jcorporate.expresso.kernel.digester.ComponentConfig;
068: import com.jcorporate.expresso.kernel.internal.DefaultConfigBean;
069: import com.jcorporate.expresso.kernel.util.ClassLocator;
070: import org.apache.commons.beanutils.ConvertUtils;
071: import org.apache.log4j.Logger;
072:
073: import java.util.Iterator;
074: import java.util.Map;
075: import java.util.TreeMap;
076:
077: /**
078: * Metadata class that represents a MappedProperty
079: *
080: * @author Michael Rimov
081: * @version $Revision: 1.6 $ on $Date: 2004/11/17 20:48:17 $
082: * @since Expresso 5.1
083: */
084:
085: public class MappedProperty extends Property {
086: Map values;
087:
088: /**
089: * Default constructor
090: */
091: public MappedProperty() {
092: super ();
093: values = new TreeMap();
094: }
095:
096: /**
097: * Set the Mapped property's value
098: *
099: * @param key the key of the mapped property.
100: * @param value the value of the mapped property
101: */
102: public void setMappedValue(String key, String value) {
103: if (key == null || key.length() == 0) {
104: throw new IllegalArgumentException(
105: "key must be non-zero length, non null string");
106: }
107:
108: values.put(key, value);
109: }
110:
111: /**
112: * Retrieve the value of the mapped property.
113: *
114: * @param key the key of the mapped property
115: * @return java.lang.String
116: */
117: public String getMappedValue(String key) {
118: if (key == null || key.length() == 0) {
119: throw new IllegalArgumentException(
120: "key must be non-zero length, non null string");
121: }
122:
123: return (String) values.get(key);
124: }
125:
126: /**
127: * Retrieve a list of all mapped property values.
128: *
129: * @return java.util.map
130: */
131: public Map getValues() {
132: return values;
133: }
134:
135: /**
136: * Load the configBean with values for this property.
137: * If there are any values present in the ComponentConfig, then use those properties,
138: * if empty, use your own default values as specified in the ComponentMetadata
139: *
140: * @param targetBean The configBean to populate with this property.
141: * @param config the current configuration as loaded from the expresso config.xml file
142: * @param metadata the current metadata for this component
143: * @return the Configuration interface (actually uslaly the configbean parameter)
144: */
145: public Configuration createConfigBean(DefaultConfigBean targetBean,
146: ComponentConfig config, ComponentMetadata metadata) {
147: Map parsedProperties = config.getMappedProperties(this
148: .getName());
149: if (parsedProperties == null) {
150: //
151: //Fill all the default values we have from the metadata instead since
152: //no config data exists
153: //
154: for (Iterator i = values.keySet().iterator(); i.hasNext();) {
155: String key = (String) i.next();
156: String value = (String) values.get(key);
157: String type = this .getType();
158: try {
159: targetBean.set(this .getName(), ConvertUtils
160: .convert(value, ClassLocator
161: .loadClass(type)));
162: } catch (ClassNotFoundException ex) {
163: Logger log = Logger.getLogger(this .getClass());
164: log.error("Error converting value " + value
165: + " to class : " + type
166: + " class not found.", ex);
167: throw new IllegalArgumentException(
168: "Class not found: " + type);
169: }
170: }
171:
172: return targetBean;
173: }
174:
175: for (Iterator i = parsedProperties.keySet().iterator(); i
176: .hasNext();) {
177: String key = (String) i.next();
178: String value = config
179: .getMappedProperty(this .getName(), key);
180:
181: if (value == null || value.length() == 0) {
182: value = this .getMappedValue(key);
183: }
184: String type = this .getType();
185: try {
186: targetBean.set(this .getName(), key, ConvertUtils
187: .convert(value, ClassLocator.loadClass(type)));
188: } catch (ClassNotFoundException ex) {
189: Logger log = Logger.getLogger(this .getClass());
190: log.error("Error converting value " + value
191: + " to class : " + type + " class not found.",
192: ex);
193: throw new IllegalArgumentException("Class not found: "
194: + type);
195: }
196: }
197:
198: //
199: //Now, finally, check for any indicies that ARE NOT in the config file,
200: //but ARE in metadata
201: //
202: for (Iterator i = values.keySet().iterator(); i.hasNext();) {
203: String key = (String) i.next();
204:
205: if (!config.getMappedProperties(this .getName())
206: .containsKey(key)) {
207: String value = (String) values.get(key);
208: String type = this .getType();
209: try {
210: targetBean.set(this .getName(), ConvertUtils
211: .convert(value, ClassLocator
212: .loadClass(type)));
213: } catch (ClassNotFoundException ex) {
214: Logger log = Logger.getLogger(this .getClass());
215: log.error("Error converting value " + value
216: + " to class : " + type
217: + " class not found.", ex);
218: throw new IllegalArgumentException(
219: "Class not found: " + type);
220: }
221: }
222: }
223: return targetBean;
224: }
225: }
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