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-rw-r--r--pdf-as-lib/src/main/java/at/gv/egiz/sl/util/SLMarschaller.java78
1 files changed, 51 insertions, 27 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/sl/util/SLMarschaller.java b/pdf-as-lib/src/main/java/at/gv/egiz/sl/util/SLMarschaller.java
index 8e84b491..8b9991fd 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/sl/util/SLMarschaller.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/sl/util/SLMarschaller.java
@@ -3,19 +3,19 @@
* PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
* joint initiative of the Federal Chancellery Austria and Graz University of
* Technology.
- *
+ *
* Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
* the European Commission - subsequent versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
* http://www.osor.eu/eupl/
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the Licence is distributed on an "AS IS" basis,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Licence for the specific language governing permissions and
* limitations under the Licence.
- *
+ *
* This product combines work with different licenses. See the "NOTICE" text
* file for details on the various modules and licenses.
* The "NOTICE" text file is part of the distribution. Any derivative works
@@ -40,20 +40,15 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class SLMarschaller {
- private static Marshaller marshaller = null;
- private static Unmarshaller unmarshaller = null;
+
+ private static JAXBContext context = null;
private static final Logger logger = LoggerFactory
.getLogger(SLMarschaller.class);
-
+
static {
try {
- JAXBContext context = JAXBContext.newInstance("at.gv.egiz.sl.schema");
- marshaller = context.createMarshaller();
- marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
- marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
-
- unmarshaller = context.createUnmarshaller();
+ context = JAXBContext.newInstance("at.gv.egiz.sl.schema");
} catch (JAXBException e) {
logger.error("Error in creating JAXBContext", e);
throw new RuntimeException(
@@ -61,17 +56,19 @@ public class SLMarschaller {
}
}
- public static void marshal(Object obj, OutputStream os) throws JAXBException {
+ public static synchronized void marshal(Object obj, OutputStream os) throws JAXBException {
+ Marshaller marshaller = createMarshaller();
marshaller.marshal(obj, os);
}
- public static String marshalToString(Object obj) throws JAXBException {
+ public static synchronized String marshalToString(Object obj) throws JAXBException {
+ Marshaller marshaller = createMarshaller();
StringWriter sw = new StringWriter();
marshaller.marshal(obj, sw);
return sw.toString();
}
-
- public static Object unmarshal(InputStream is) throws JAXBException {
+
+ public static synchronized Object unmarshal(InputStream is) throws JAXBException {
XMLInputFactory xif = null;
try {
xif = XMLInputFactory.newFactory();
@@ -79,19 +76,20 @@ public class SLMarschaller {
// Fallback for old STAX implementations
xif = XMLInputFactory.newInstance();
}
- xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
- xif.setProperty(XMLInputFactory.SUPPORT_DTD, false);
- XMLStreamReader xmlStreamReader;
+ xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
+ xif.setProperty(XMLInputFactory.SUPPORT_DTD, false);
+ XMLStreamReader xmlStreamReader;
try {
xmlStreamReader = xif.createXMLStreamReader(is);
+ Unmarshaller unmarshaller = createUnmarshaller();
return unmarshaller.unmarshal(xmlStreamReader);
} catch (XMLStreamException e) {
throw new JAXBException(e);
}
-
+
}
-
- public static Object unmarshalFromString(String message) throws JAXBException {
+
+ public static synchronized Object unmarshalFromString(String message) throws JAXBException {
StringReader sr = new StringReader(message);
XMLInputFactory xif = null;
try {
@@ -100,15 +98,41 @@ public class SLMarschaller {
// Fallback for old STAX implementations
xif = XMLInputFactory.newInstance();
}
-
- xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
- xif.setProperty(XMLInputFactory.SUPPORT_DTD, false);
- XMLStreamReader xmlStreamReader;
+
+ xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
+ xif.setProperty(XMLInputFactory.SUPPORT_DTD, false);
+ XMLStreamReader xmlStreamReader;
try {
xmlStreamReader = xif.createXMLStreamReader(sr);
+ Unmarshaller unmarshaller = createUnmarshaller();
return unmarshaller.unmarshal(xmlStreamReader);
} catch (XMLStreamException e) {
throw new JAXBException(e);
}
}
-}
+
+ private static synchronized Marshaller createMarshaller() {
+ try {
+ Marshaller marshaller = context.createMarshaller();
+ marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
+ marshaller.setProperty(Marshaller.JAXB_ENCODING, "UTF-8");
+ return marshaller;
+ }
+ catch (JAXBException e) {
+ logger.error("Error in creating Marshaller", e);
+ throw new RuntimeException(
+ "There was a problem creating a Marshaller object for formatting the object to XML.");
+ }
+ }
+
+ private static synchronized Unmarshaller createUnmarshaller() {
+ try {
+ return context.createUnmarshaller();
+ }
+ catch (JAXBException e) {
+ logger.error("Error in creating Unmarshaller", e);
+ throw new RuntimeException(
+ "There was a problem creating a Unmarshaller object for formatting the object to XML.");
+ }
+ }
+} \ No newline at end of file