in modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java [824:963]
protected List<URL> getApplicationContextResource(URL url) throws ContributionReadException {
File manifestFile = null;
File appXmlFile;
File appXmlFolder;
File locationFile = null;
List<URL> appCtxResources = new ArrayList<URL>();
if (url != null) {
String path = url.getPath();
locationFile = new File(path);
} else {
throw new ContributionReadException(
"SpringXMLComponentTypeLoader getApplicationContextResource: " + "unable to find resource file "
+ url);
}
if (locationFile.isDirectory()) {
try {
manifestFile = new File(locationFile, "META-INF" + File.separator + "MANIFEST.MF");
if (manifestFile.exists()) {
Manifest mf = new Manifest(new FileInputStream(manifestFile));
Attributes mainAttrs = mf.getMainAttributes();
String appCtxPath = mainAttrs.getValue("Spring-Context");
if (appCtxPath != null) {
String[] cxtPaths = appCtxPath.split(";");
for (String path : cxtPaths) {
appXmlFile = new File(locationFile, path.trim());
if (appXmlFile.exists()) {
appCtxResources.add(appXmlFile.toURI().toURL());
}
}
return appCtxResources;
}
}
// No MANIFEST.MF file OR no manifest-specified Spring context , then read all the
// xml files available in the META-INF/spring folder.
appXmlFolder = new File(locationFile, "META-INF" + File.separator + "spring");
if (appXmlFolder.exists()) {
File[] files = appXmlFolder.listFiles();
for (File appFile : files) {
if (appFile.getName().endsWith(".xml")) {
appCtxResources.add(appFile.toURI().toURL());
}
}
return appCtxResources;
}
} catch (IOException e) {
throw new ContributionReadException("Error reading manifest " + manifestFile);
}
} else {
if (locationFile.isFile() && locationFile.getName().endsWith(".jar")) {
try {
JarFile jf = new JarFile(locationFile);
JarEntry je;
Manifest mf = jf.getManifest();
if (mf != null) {
Attributes mainAttrs = mf.getMainAttributes();
String appCtxPath = mainAttrs.getValue("Spring-Context");
if (appCtxPath != null) {
String[] cxtPaths = appCtxPath.split(";");
for (String path : cxtPaths) {
je = jf.getJarEntry(path.trim());
if (je != null)
appCtxResources.add(new URL("jar:" + locationFile.toURI().toURL()
+ "!/"
+ appCtxPath));
}
return appCtxResources;
}
}
// No MANIFEST.MF file OR no manifest-specified Spring context , then read all the
// .xml files available in the META-INF/spring folder.
Enumeration<JarEntry> entries = jf.entries();
while (entries.hasMoreElements()) {
je = entries.nextElement();
if (je.getName().startsWith("META-INF/spring/") && je.getName().endsWith(".xml")) {
appCtxResources.add(new URL("jar:" + locationFile.toURI().toURL() + "!/" + je.getName()));
}
}
return appCtxResources;
} catch (IOException e) {
// TODO: create a more appropriate exception type
throw new ContributionReadException(
"SpringXMLComponentTypeLoader getApplicationContextResource: " + " IO exception reading context file.",
e);
}
} else {
if (locationFile.getName().endsWith(".xml")) {
appCtxResources.add(url);
return appCtxResources;
} else {
// Deal with the directory inside a jar file, in case the contribution itself is a JAR file.
try {
if (locationFile.getPath().indexOf(".jar") > 0) {
String jarPath = url.getPath().substring(5, url.getPath().indexOf("!"));
JarFile jf = new JarFile(jarPath);
JarEntry je =
jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/") + 2) + "/"
+ "META-INF"
+ "/"
+ "MANIFEST.MF");
if (je != null) {
Manifest mf = new Manifest(jf.getInputStream(je));
Attributes mainAttrs = mf.getMainAttributes();
String appCtxPath = mainAttrs.getValue("Spring-Context");
if (appCtxPath != null) {
String[] cxtPaths = appCtxPath.split(";");
for (String path : cxtPaths) {
je =
jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/") + 2) + "/"
+ path.trim());
if (je != null) {
appCtxResources.add(new URL("jar:" + url.getPath() + "/" + path.trim()));
}
}
return appCtxResources;
}
}
// No MANIFEST.MF file OR no manifest-specified Spring context , then read all the
// .xml files available in the META-INF/spring folder.
Enumeration<JarEntry> entries = jf.entries();
while (entries.hasMoreElements()) {
je = entries.nextElement();
if (je.getName().startsWith("META-INF/spring/") && je.getName().endsWith(".xml")) {
appCtxResources.add(new URL("jar:" + url.getPath() + "/" + je.getName()));
}
}
return appCtxResources;
}
} catch (IOException e) {
throw new ContributionReadException("Error reading manifest " + manifestFile);
}
}
}
}
throw new ContributionReadException(
"SpringXMLComponentTypeLoader getApplicationContextResource: " + "unable to process unknown resource type: "
+ url);
} // end method getApplicationContextResource