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-rw-r--r--common/src/at/gv/egovernment/moa/util/DOMUtils.java41
1 files changed, 25 insertions, 16 deletions
diff --git a/common/src/at/gv/egovernment/moa/util/DOMUtils.java b/common/src/at/gv/egovernment/moa/util/DOMUtils.java
index fddf16944..95ee3aa4d 100644
--- a/common/src/at/gv/egovernment/moa/util/DOMUtils.java
+++ b/common/src/at/gv/egovernment/moa/util/DOMUtils.java
@@ -94,9 +94,13 @@ public class DOMUtils {
private static SymbolTable symbolTable = new SymbolTable(BIG_PRIME);
/** Xerces schema grammar pool. */
private static XMLGrammarPool grammarPool = new XMLGrammarPoolImpl();
-
+ /** Map, that holds the NamespaceURIs of the grammarPool, to prevent multiple
+ * entries of one NamespaceURI */
+ private static Set grammarNamespaces;
+
static {
grammarPool.lockPool();
+ grammarNamespaces = new HashSet();
}
/**
@@ -111,23 +115,28 @@ public class DOMUtils {
throws IOException {
XMLGrammarPreparser preparser;
- // unlock the pool so that we can add another grammar
- grammarPool.unlockPool();
-
- // prepare the preparser
- preparser = new XMLGrammarPreparser(symbolTable);
- preparser.registerPreparser(XMLGrammarDescription.XML_SCHEMA, null);
- preparser.setProperty(GRAMMAR_POOL, grammarPool);
- preparser.setFeature(NAMESPACES_FEATURE, true);
- preparser.setFeature(VALIDATION_FEATURE, true);
+ if (!grammarNamespaces.contains(systemId)) {
- // add the grammar to the pool
- preparser.preparseGrammar(
+ grammarNamespaces.add(systemId);
+
+ // unlock the pool so that we can add another grammar
+ grammarPool.unlockPool();
+
+ // prepare the preparser
+ preparser = new XMLGrammarPreparser(symbolTable);
+ preparser.registerPreparser(XMLGrammarDescription.XML_SCHEMA, null);
+ preparser.setProperty(GRAMMAR_POOL, grammarPool);
+ preparser.setFeature(NAMESPACES_FEATURE, true);
+ preparser.setFeature(VALIDATION_FEATURE, true);
+
+ // add the grammar to the pool
+ preparser.preparseGrammar(
XMLGrammarDescription.XML_SCHEMA,
- new XMLInputSource(null, systemId, null, inputStream, null));
-
- // lock the pool again so that schemas are not added automatically
- grammarPool.lockPool();
+ new XMLInputSource(null, systemId, null, inputStream, null));
+
+ // lock the pool again so that schemas are not added automatically
+ grammarPool.lockPool();
+ }
}
/**