diff options
Diffstat (limited to 'common/src/main/java/org/onap/so/utils/XmlMarshaller.java')
-rw-r--r-- | common/src/main/java/org/onap/so/utils/XmlMarshaller.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/common/src/main/java/org/onap/so/utils/XmlMarshaller.java b/common/src/main/java/org/onap/so/utils/XmlMarshaller.java new file mode 100644 index 0000000000..903d055548 --- /dev/null +++ b/common/src/main/java/org/onap/so/utils/XmlMarshaller.java @@ -0,0 +1,84 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP - SO + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.onap.so.utils; + + +import java.io.StringReader; +import java.io.StringWriter; + +import javax.xml.XMLConstants; +import javax.xml.bind.JAXBContext; +import javax.xml.bind.JAXBException; +import javax.xml.bind.Marshaller; +import javax.xml.bind.Unmarshaller; +import javax.xml.parsers.SAXParserFactory; +import javax.xml.transform.sax.SAXSource; + +import org.onap.so.exceptions.MarshallerException; +import org.onap.so.logger.MessageEnum; +import org.onap.so.logger.MsoLogger; +import org.xml.sax.InputSource; +import org.xml.sax.XMLReader; + +public class XmlMarshaller { + + private static MsoLogger logger = MsoLogger.getMsoLogger(MsoLogger.Catalog.GENERAL, XmlMarshaller.class); + + public static String marshal(Object object) throws MarshallerException { + + StringWriter stringWriter = new StringWriter(); + try { + JAXBContext jaxbContext = JAXBContext.newInstance(object.getClass()); + Marshaller jaxbMarshaller = jaxbContext.createMarshaller(); + jaxbMarshaller.marshal(object, stringWriter); + } catch (JAXBException e) { + logger.error(MessageEnum.GENERAL_EXCEPTION, "", "", "", MsoLogger.ErrorCode.SchemaError, e.getMessage(), e); + throw new MarshallerException(e.getMessage(), MsoLogger.ErrorCode.SchemaError.getValue(), e); + } + + return stringWriter.toString(); + } + + public static Object unMarshal(String input, Object object) throws MarshallerException { + + try { + SAXParserFactory spf = SAXParserFactory.newInstance(); + spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true); + spf.setFeature("http://xml.org/sax/features/external-general-entities", false); + spf.setFeature("http://xml.org/sax/features/external-parameter-entities", false); + spf.setNamespaceAware(true); + XMLReader xmlReader = spf.newSAXParser().getXMLReader(); + + JAXBContext jaxbContext = JAXBContext.newInstance(object.getClass()); + Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller(); + + InputSource inputSource = new InputSource(new StringReader(input)); + SAXSource source = new SAXSource(xmlReader, inputSource); + object = jaxbUnmarshaller.unmarshal(source, object.getClass()).getValue(); + } catch (Exception e) { + logger.error(MessageEnum.GENERAL_EXCEPTION, "", "", "", MsoLogger.ErrorCode.SchemaError, e.getMessage(), e); + throw new MarshallerException(e.getMessage(), MsoLogger.ErrorCode.SchemaError.getValue(), e); + } + + return object; + } + +} |