sanjiva 2002/10/28 08:37:02
Modified: java/src/org/apache/soap/util/xml XMLParserUtils.java
Log:
added logic to share instances of DocumentBuilders on a per-thread
basis
Revision Changes Path
1.6 +16 -7 xml-soap/java/src/org/apache/soap/util/xml/XMLParserUtils.java
Index: XMLParserUtils.java
===================================================================
RCS file: /home/cvs/xml-soap/java/src/org/apache/soap/util/xml/XMLParserUtils.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- XMLParserUtils.java 17 May 2002 18:11:57 -0000 1.5
+++ XMLParserUtils.java 28 Oct 2002 16:37:02 -0000 1.6
@@ -57,7 +57,7 @@
package org.apache.soap.util.xml;
-// JAXP packages
+import java.util.HashMap;
import javax.xml.parsers.*;
import org.xml.sax.*;
import org.xml.sax.helpers.*;
@@ -73,6 +73,7 @@
*/
public class XMLParserUtils {
private static DocumentBuilderFactory dbf = null;
+ private static HashMap docBuilderTable = new HashMap ();
static {
// Create a default instance.
@@ -132,12 +133,20 @@
*/
synchronized public static DocumentBuilder getXMLDocBuilder()
throws IllegalArgumentException {
- // Step 2: create a DocumentBuilder that satisfies the constraints
- // specified by the DocumentBuilderFactory
- try {
- return dbf.newDocumentBuilder();
- } catch (ParserConfigurationException pce) {
- throw new IllegalArgumentException(pce.toString());
+ // if a document builder has already been created for this thread
+ // then just reuse that. otherwise create a new one and remember it.
+ Thread t = Thread.currentThread ();
+ DocumentBuilder db = (DocumentBuilder) docBuilderTable.get (t);
+ if (db != null) {
+ return db;
+ } else {
+ try {
+ db = dbf.newDocumentBuilder();
+ docBuilderTable.put (t, db);
+ return db;
+ } catch (ParserConfigurationException pce) {
+ throw new IllegalArgumentException(pce.toString());
+ }
}
}
}
--
To unsubscribe, e-mail: <mailto:soap-dev-unsubscribe@;xml.apache.org>
For additional commands, e-mail: <mailto:soap-dev-help@;xml.apache.org>
