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1
9 package org.eclipse.pde.internal.build.site;
10
11 import java.io.*;
12 import java.net.MalformedURLException  ;
13 import java.net.URL ;
14 import java.util.ArrayList ;
15 import java.util.Properties ;
16 import org.eclipse.core.runtime.IPath;
17 import org.eclipse.core.runtime.Path;
18 import org.eclipse.pde.internal.build.Utils;
19 import org.eclipse.update.configurator.ConfiguratorUtils;
20 import org.eclipse.update.configurator.IPlatformConfiguration;
21
22 public class PluginPathFinder {
23 private static final String URL_PROPERTY = "org.eclipse.update.resolution_url"; private static final String EMPTY_STRING = "";
26
33 private static String getSitePath(String platformHome, File linkFile, boolean features) {
34 String prefix = new Path(platformHome).removeLastSegments(1).toString();
35 Properties properties = new Properties ();
36 try {
37 FileInputStream fis = new FileInputStream(linkFile);
38 properties.load(fis);
39 fis.close();
40 String path = properties.getProperty("path"); if (path != null) {
42 if (!new Path(path).isAbsolute())
43 path = prefix + IPath.SEPARATOR + path;
44 path += IPath.SEPARATOR + "eclipse" + IPath.SEPARATOR; if (features)
46 path += "features"; else
48 path += "plugins"; if (new File(path).exists()) {
50 return path;
51 }
52 }
53 } catch (IOException e) {
54 }
55 return null;
56 }
57
58
64 private static File[] getSites(String platformHome, boolean features) {
65 ArrayList sites = new ArrayList ();
66
67 File file = new File(platformHome, features ? "features" : "plugins"); if (!features && !file.exists())
69 file = new File(platformHome);
70 if (file.exists())
71 sites.add(file);
72
73 File[] linkFiles = new File(platformHome + IPath.SEPARATOR + "links").listFiles(); if (linkFiles != null) {
75 for (int i = 0; i < linkFiles.length; i++) {
76 String path = getSitePath(platformHome, linkFiles[i], features);
77 if (path != null) {
78 sites.add(new File(path));
79 }
80 }
81 }
82 return (File[]) sites.toArray(new File[sites.size()]);
83 }
84
85 public static File[] getFeaturePaths(String platformHome) {
86 return getPaths(platformHome, true);
87 }
88
89 public static File[] getPluginPaths(String platformHome) {
90 return getPaths(platformHome, false);
91 }
92
93 public static File[] getPaths(String platformHome, boolean features) {
94 File file = new File(platformHome, "configuration/org.eclipse.update/platform.xml"); if (file.exists()) {
96 try {
97 String value = new Path(platformHome).toFile().toURL().toExternalForm();
98 System.setProperty(URL_PROPERTY, value);
99 try {
100 IPlatformConfiguration config = ConfiguratorUtils.getPlatformConfiguration(file.toURL());
101 return Utils.asFile(getConfiguredSitesPaths(platformHome, config, features));
102 } finally {
103 System.setProperty(URL_PROPERTY, EMPTY_STRING);
104 }
105 } catch (MalformedURLException e) {
106 } catch (IOException e) {
107 }
108 }
109
110 return Utils.asFile(scanLocations(getSites(platformHome, features)));
111 }
112
113 private static URL [] getConfiguredSitesPaths(String platformHome, IPlatformConfiguration configuration, boolean features) {
114 URL [] installPlugins = scanLocations(new File[] {new File(platformHome, features ? "features" : "plugins")}); URL [] extensionPlugins = getExtensionPluginURLs(configuration, features);
116
117 URL [] all = new URL [installPlugins.length + extensionPlugins.length];
118 System.arraycopy(installPlugins, 0, all, 0, installPlugins.length);
119 System.arraycopy(extensionPlugins, 0, all, installPlugins.length, extensionPlugins.length);
120 return all;
121 }
122
123
129 private static URL [] getExtensionPluginURLs(IPlatformConfiguration config, boolean features) {
130 ArrayList extensionPlugins = new ArrayList ();
131 IPlatformConfiguration.ISiteEntry[] sites = config.getConfiguredSites();
132 for (int i = 0; i < sites.length; i++) {
133 URL url = sites[i].getURL();
134 if ("file".equalsIgnoreCase(url.getProtocol())) { String [] entries;
136 if (features)
137 entries = sites[i].getFeatures();
138 else
139 entries = sites[i].getPlugins();
140 for (int j = 0; j < entries.length; j++) {
141 try {
142 extensionPlugins.add(new File(url.getFile(), entries[j]).toURL());
143 } catch (MalformedURLException e) {
144 }
145 }
146 }
147 }
148 return (URL []) extensionPlugins.toArray(new URL [extensionPlugins.size()]);
149 }
150
151
156 private static URL [] scanLocations(File[] sites) {
157 ArrayList result = new ArrayList ();
158 for (int i = 0; i < sites.length; i++) {
159 if (!sites[i].exists())
160 continue;
161 File[] children = sites[i].listFiles();
162 if (children != null) {
163 for (int j = 0; j < children.length; j++) {
164 try {
165 result.add(children[j].toURL());
166 } catch (MalformedURLException e) {
167 }
168 }
169 }
170 }
171 return (URL []) result.toArray(new URL [result.size()]);
172 }
173 }
174 |
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