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1
13 package info.magnolia.cms.util;
14
15 import info.magnolia.cms.core.SystemProperty;
16
17 import java.io.File  ;
18 import java.io.FileInputStream ;
19 import java.io.FileNotFoundException ;
20 import java.io.IOException ;
21 import java.io.InputStream ;
22 import java.net.MalformedURLException ;
23 import java.net.URL ;
24 import java.util.Collections ;
25 import java.util.Iterator ;
26 import java.util.Map ;
27
28 import javax.xml.parsers.DocumentBuilder ;
29 import javax.xml.parsers.DocumentBuilderFactory ;
30 import javax.xml.parsers.ParserConfigurationException ;
31
32 import org.apache.commons.io.IOUtils;
33 import org.apache.commons.lang.StringUtils;
34 import org.jdom.JDOMException;
35 import org.jdom.input.SAXBuilder;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
38 import org.w3c.dom.Document ;
39 import org.xml.sax.EntityResolver ;
40 import org.xml.sax.InputSource ;
41 import org.xml.sax.SAXException ;
42
43
49 public class ConfigUtil {
50
56 public static final class MapDTDEntityResolver implements EntityResolver {
57
58 private final Map dtds;
59
60 public MapDTDEntityResolver(Map dtds) {
61 this.dtds = dtds;
62 }
63
64 public InputSource resolveEntity(String publicId, String systemId) throws SAXException , IOException {
65 String key = StringUtils.substringAfterLast(systemId, "/");
66 if (dtds.containsKey(key)) {
67 Class clazz = getClass();
68 InputStream in = clazz.getResourceAsStream((String )dtds.get(key));
69 if (in == null) {
70 log.error("Could not find [" + systemId + "]. Used ["
71 + clazz.getClassLoader()
72 + "] class loader in the search.");
73 return null;
74 }
75 else {
76 return new InputSource (in);
77 }
78 }
79 else {
80 return null;
81 }
82 }
83 }
84
85
88 public static Logger log = LoggerFactory.getLogger(ConfigUtil.class);
89
90
95 public static InputStream getConfigFile(String fileName) {
96 File log4jFile = new File (SystemProperty.getProperty(SystemProperty.MAGNOLIA_APP_ROOTDIR), fileName);
97 InputStream stream;
98 if (log4jFile.exists()) {
99 URL url;
100 try {
101 url = new URL ("file:" + log4jFile.getAbsolutePath()); }
103 catch (MalformedURLException e) {
104 log.error("Unable to read config file from [" + fileName
106 + "], got a MalformedURLException: " , e);
108 return null;
109 }
110 try {
111 stream = url.openStream();
112 }
113 catch (IOException e) {
114 log.error("Unable to read config file from [" + fileName
116 + "], got a IOException " ,e);
118 return null;
119 }
120 }
121 else {
122 try {
123 stream = new FileInputStream (fileName);
124 }
125 catch (FileNotFoundException e) {
126 log.error("Unable to read config file from [" + fileName
128 + "], got a FileNotFoundException " , e);
130 return null;
131 }
132 }
133 return stream;
134 }
135
136
142 public static String replaceTokens(InputStream stream) throws IOException {
143 String config;
144 config = IOUtils.toString(stream);
145 IOUtils.closeQuietly(stream);
146 return replaceTokens(config);
147 }
148
149
155 public static String replaceTokens(String config) throws IOException {
156 for (Iterator iter = SystemProperty.getProperties().keySet().iterator(); iter.hasNext();) {
157 String key = (String ) iter.next();
158 config = StringUtils.replace(config, "${" + key + "}", SystemProperty.getProperty(key, ""));
159
160 }
161 return config;
162 }
163
164
172 public static Document string2DOM(String xml) throws ParserConfigurationException , SAXException , IOException {
173 return string2DOM(xml, Collections.EMPTY_MAP);
174 }
175
176
183 public static org.jdom.Document string2JDOM(String xml) throws JDOMException, IOException {
184 return string2JDOM(xml, Collections.EMPTY_MAP);
185 }
186
187
195 public static org.jdom.Document string2JDOM(String xml, final Map dtds) throws JDOMException, IOException {
196 SAXBuilder builder = new SAXBuilder();
197 builder.setEntityResolver(new MapDTDEntityResolver(dtds));
198 return builder.build(IOUtils.toInputStream(xml));
199 }
200
201
210 public static Document string2DOM(String xml, final Map dtds) throws ParserConfigurationException , SAXException , IOException {
211 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
212 dbf.setValidating(true);
213 DocumentBuilder builder;
214 builder = dbf.newDocumentBuilder();
215 builder.setEntityResolver(new MapDTDEntityResolver(dtds));
216 return builder.parse(IOUtils.toInputStream(xml));
217 }
218
219 }
220 |
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