/**
* constructs a AppLoaderBase
*
* @param pnew the boot runtime properties
*/
protected AppLoaderBase(Properties pnew) {
if (pnew != null) {
props = pnew;
} else props = new Properties();
log_ = Logger.getLogger("boot.appLoader"); // $NON-NLS-1$
parseLog_ = Logger.getLogger("boot.parser"); // $NON-NLS-1$
}
/**
* merge plugin information into the main descriptor.
*
* @param main application descriptor
* @param plugins import this
*/
protected void mergeInto(XMAApp main, XMAApp plugins) {
if (plugins.components_.size() > 0) {
log_.warning("Plug-In Descriptor contains components. They will be ignored"); // $NON-NLS-1$
}
if (plugins.pluginspec_.size() > 0) {
log_.warning(
"Plug-In Descriptor contains plugin-specs. It should only contain plugin implementations. They will be ignored"); //$NON-NLS-1$
}
// this.pluginimpl_.put( pi.getStrImplements_(), pi);
for (Iterator iter = plugins.pluginimpl_.values().iterator(); iter.hasNext(); ) {
XMAPluginImpl el = (XMAPluginImpl) iter.next();
XMAPluginImpl old = (XMAPluginImpl) main.pluginimpl_.get(el.getStrImplements_());
if (old != null) {
log_.warning(
"Application Descriptor already contains a plug-in implementation for: "
+ el.getStrImplements_()
+ " it will be replaced the implementation of this plugins.xml"); //$NON-NLS-1$
// //$NON-NLS-2$
}
main.pluginimpl_.put(el.getStrImplements_(), el);
}
for (Iterator iter = plugins.res_.values().iterator(); iter.hasNext(); ) {
XMAResource el = (XMAResource) iter.next();
XMAResource old = (XMAResource) main.res_.get(el.getHref_());
if (old != null) {
log_.warning(
"Application Descriptor already contains a resource for: "
+ el.getHref_()
+ " it will be replaced the resource of this plugins.xml"); //$NON-NLS-1$
// //$NON-NLS-2$
}
main.addResource(el);
}
} // mergeInto
/**
* creates the has value for the application. This is done by concatenating the content of the two
* given input streams and calculating the MD5-hash over this combined content.
*
* @param isApp first description file (xma-app.xml)
* @param isPi second description file (plugin.xml)
* @return the calculated hash value
* @throws IOException in case of errors reading the streams
*/
protected byte[] createApplicationHash(InputStream isApp, InputStream isPi) throws IOException {
MessageDigest md;
try {
md = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
log_.log(LogLevel.SEVERE, "error preventing hash calculations: ", e);
throw new RuntimeException(e);
}
int b = -1;
ByteArrayOutputStream os = new ByteArrayOutputStream();
while ((b = isApp.read()) != -1) {
os.write(b);
}
while ((b = isPi.read()) != -1) {
os.write(b);
}
md.update(os.toByteArray());
byte[] digest = md.digest();
return digest;
}