private Set<String> getReferencesToChange(WikiPage fromPage, WikiEngine engine) {
Set<String> referrers = new TreeSet<String>();
Collection<String> r = engine.getReferenceManager().findReferrers(fromPage.getName());
if (r != null) referrers.addAll(r);
try {
Collection<Attachment> attachments = engine.getAttachmentManager().listAttachments(fromPage);
for (Attachment att : attachments) {
Collection<String> c = engine.getReferenceManager().findReferrers(att.getName());
if (c != null) referrers.addAll(c);
}
} catch (ProviderException e) {
// We will continue despite this error
log.error("Provider error while fetching attachments for rename", e);
}
return referrers;
}
protected void exportPage(WikiEngine engine, Attachment att)
throws IOException, ProviderException {
exportPageHeader(att.getName(), att.getWiki(), att.getAuthor(), att.getLastModified(), true);
m_out.println(" <sv:property sv:name='" + att.getFileName() + "' sv:type='" + BINARY + "'>");
m_out.print("<sv:value>");
InputStream binary = engine.getAttachmentManager().getAttachmentStream(att);
Base64.InputStream base64 = new Base64.InputStream(binary, Base64.ENCODE);
FileUtil.copyContents(new InputStreamReader(base64), m_out);
binary.close();
m_out.println("</sv:value>");
m_out.println("</sv:property>");
exportPageFooter();
}