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1
17 package org.apache.geronimo.system.configuration;
18
19 import java.io.BufferedReader  ;
20 import java.io.File ;
21 import java.io.FileInputStream ;
22 import java.io.FileOutputStream ;
23 import java.io.IOException ;
24 import java.io.InputStream ;
25 import java.io.InputStreamReader ;
26 import java.io.OutputStream ;
27 import java.io.PrintWriter ;
28 import java.io.Writer ;
29
30 import org.apache.geronimo.kernel.config.ConfigurationData;
31
32
35 class InPlaceConfigurationUtil {
36 private static final String IN_PLACE_LOCATION_FILE = "inPlaceLocation.config";
37
38 InPlaceConfigurationUtil() {
39 }
40
41 public boolean isInPlaceConfiguration(File source) {
42 File inPlaceLocation = getInPlaceLocation(source);
43 return inPlaceLocation.exists();
44 }
45
46 public void writeInPlaceLocation(ConfigurationData configurationData, File source) throws IOException {
47 if (null == configurationData.getInPlaceConfigurationDir()) {
48 return;
49 }
50
51 File inPlaceLocation = getInPlaceLocation(source);
52 Writer writer = null;
53 try {
54 OutputStream os = new FileOutputStream (inPlaceLocation);
55 writer = new PrintWriter (os);
56 File inPlaceConfigurationDir = configurationData.getInPlaceConfigurationDir();
57 String absolutePath = inPlaceConfigurationDir.getAbsolutePath();
58 writer.write(absolutePath);
59 writer.close(); writer = null;
61 } finally {
62 if (null != writer) {
63 try {
64 writer.close();
65 } catch (IOException ignored) {
66 }
68 }
69 }
70 }
71
72 public File readInPlaceLocation(File source) throws IOException {
73 File inPlaceLocation = getInPlaceLocation(source);
74
75 if (!inPlaceLocation.exists()) {
76 return null;
77 }
78
79 BufferedReader reader = null;
80 try {
81 InputStream is = new FileInputStream (inPlaceLocation);
82 reader = new BufferedReader (new InputStreamReader (is));
83 String path = reader.readLine();
84 return new File (path);
85 } finally {
86 if (null != reader) {
87 try {
88 reader.close();
89 } catch (IOException e) {
90 }
91 }
92 }
93 }
94
95 private File getInPlaceLocation(File source) {
96 File inPlaceLocation = new File (source, "META-INF");
97 inPlaceLocation.mkdirs();
98 return new File (inPlaceLocation, IN_PLACE_LOCATION_FILE);
99 }
100 }
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