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Stop JDOM errors if we try to output metadata with illegal characters

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git-svn-id: http://scm.dspace.org/svn/repo/branches/dspace-1_5_x@2874 9c30dcfa-912a-0410-8fc2-9e0234be79fd
This commit is contained in:
Graham Triggs
2008-04-09 12:46:22 +00:00
parent 1d9720b01c
commit 78fb63038c
1 changed files with 26 additions and 3 deletions
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29
dspace-api/src/main/java/org/dspace/content/crosswalk/XHTMLHeadDisseminationCrosswalk.java
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@@ -50,6 +50,7 @@ import org.dspace.core.Constants;
import org.dspace.core.SelfNamedPlugin;
import org.jdom.Element;
import org.jdom.Namespace;
import org.jdom.Verifier;
import java.io.File;
import java.io.FileInputStream;
@@ -238,9 +239,31 @@ public class XHTMLHeadDisseminationCrosswalk extends SelfNamedPlugin implements
{
Element e = new Element("meta", XHTML_NAMESPACE);
e.setAttribute("name", name);
// TODO: Check valid encoding? We assume UTF-8
// TODO: Check escaping "<>&
e.setAttribute("content", v.value == null ? "" : v.value);
if (v.value == null)
{
e.setAttribute("content", "");
}
else
{
// Check that we can output the content
String reason = Verifier.checkCharacterData(v.value);
if (reason == null)
{
// TODO: Check valid encoding? We assume UTF-8
// TODO: Check escaping "<>&
e.setAttribute("content", v.value == null ? "" : v.value);
}
else
{
// Warn that we found invalid characters
log.warn("Invalid attribute characters in Metadata: " + reason);
// Strip any characters that we can, and if the result is valid, output it
String simpleText = v.value.replaceAll("\\p{Cntrl}", "");
if (Verifier.checkCharacterData(simpleText) == null)
e.setAttribute("content", simpleText);
}
}
if (v.language != null && !v.language.equals(""))
{
e.setAttribute("lang", v.language, Namespace.XML_NAMESPACE);