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1 /* ====================================================================
2 * License:
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * 3. The end-user documentation included with the redistribution,
17 * if any, must include the following acknowledgment:
18 * "This product includes software developed by
19 * Robert Half International (http://www.rhi.com/)."
20 * Alternately, this acknowledgment may appear in the software itself,
21 * if and wherever such third-party acknowledgments normally appear.
22 *
23 * 4. The names "Parc", "RHI", and "Robert Half International" must
24 * not be used to endorse or promote products derived from this
25 * software without prior written permission. For written
26 * permission, please contact pete.mckinstry@rhi.com.
27 *
28 * 5. Products derived from this software may not be called "PARC",
29 * nor may "PARC" appear in their name, without prior written
30 * permission of Robert Half International.
31 *
32 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
33 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
34 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
35 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
36 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
38 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
39 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
40 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
41 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
42 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 * SUCH DAMAGE.
44 * ====================================================================
45 *
46 */
47 package com.rhi.architecture.parc.adapter.xml;
48
49 import com.rhi.architecture.config.ConfigurationException;
50 import com.rhi.architecture.logging.LogUtil;
51 import com.rhi.architecture.logging.Logger;
52 import com.rhi.architecture.parc.ProcessingException;
53 import com.rhi.architecture.parc.adapter.AbstractInputAdapter;
54 import com.rhi.architecture.resource.InitializationException;
55
56 import java.io.File;
57 import java.io.FileNotFoundException;
58 import java.io.FileReader;
59 import java.io.FilenameFilter;
60 import java.io.IOException;
61 import java.util.ArrayList;
62 import java.util.Collection;
63 import java.util.Properties;
64
65 import org.exolab.castor.mapping.Mapping;
66 import org.exolab.castor.mapping.MappingException;
67 import org.exolab.castor.xml.MarshalException;
68 import org.exolab.castor.xml.Unmarshaller;
69 import org.exolab.castor.xml.ValidationException;
70
71 /***
72 * Castor XML based InputAdapter.
73 * I still need to test performance, but the ease of use is
74 * phenominal.
75 *
76 * @author Pete McKinstry
77 * @copyright 2002, Robert Half Int'l., Inc. All rights reserved.
78 *
79 * @since 1.0
80 */
81 public class XMLInputAdapter extends AbstractInputAdapter {
82
83 private static Logger log = null;
84
85 // Castor objects
86 private static Mapping mapping;
87 private static Unmarshaller unmarshaller;
88
89 // the OQL to pull the data for processing.
90 private static File inputDirectory;
91
92 /***
93 * Perform any resource initialization.
94 *
95 * @param props
96 * @throws InitializationException
97 * @since 1.0
98 */
99 public void init(Properties props) throws InitializationException {
100 super.init(props);
101
102 try {
103 log = LogUtil.getLogger();
104 }
105 catch (ConfigurationException e) {
106 throw new InitializationException(e.toString());
107 }
108 log.debug("starting init");
109 try {
110 mapping = new Mapping();
111 mapping.loadMapping(props.getProperty("jdo_mapping_file"));
112 unmarshaller = new Unmarshaller(mapping);
113 String dirName = props.getProperty("jdo_input_directory");
114 inputDirectory = new File(dirName);
115 if (inputDirectory.isDirectory() == false) {
116 throw new InitializationException("input directory invalid- not a directory.");
117 }
118 }
119 catch (IOException ioe) {
120 throw new InitializationException(ioe.toString());
121 }
122 catch (MappingException me) {
123 throw new InitializationException(me.toString());
124 }
125 super.init(props);
126 }
127
128 /***
129 * Perform any resource finalization.
130 *
131 * @since 1.0
132 */
133 public void cleanup() {
134 super.cleanup();
135 }
136
137 /***
138 * Retrieve the batch.
139 *
140 * @return Collection - the records bound for the channel.
141 *
142 * @throws ProcessingException
143 * @since 1.0
144 */
145 protected Collection loadBatch() throws ProcessingException {
146 ArrayList list = new ArrayList();
147
148 try {
149 File[] xmlFiles = inputDirectory.listFiles(new FilenameFilter() {
150 /***
151 * filter out all but the .xml files.
152 * @param dir
153 * @param name
154 * @return boolean
155 * @see java.io.FilenameFilter#accept(java.io.File, java.lang.String)
156 */
157 public boolean accept(File dir, String name) {
158 return name.endsWith(".xml");
159 }
160 });
161 for (int i = 0; i < xmlFiles.length; ++i) {
162 Object o = unmarshaller.unmarshal(new FileReader(xmlFiles[i]));
163 list.add(o);
164 }
165 }
166 catch (FileNotFoundException fnfe) {
167 throw new ProcessingException(fnfe.toString());
168 }
169 catch (MarshalException me) {
170 throw new ProcessingException(me.toString());
171 }
172 catch (ValidationException me) {
173 throw new ProcessingException(me.toString());
174 }
175 return list;
176 }
177 }
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