Convert Java Object into a XML String using jaxb

Question

I would like to convert a Java Object to a String containing the marshaled XML data. One of the ways I could find was to first marshal to a File and then read the file using BufferedReader to convert into a String. I feel this may not be the most efficient way, because the IO operations are performed twice (Once during marshaling and the second time during the conversion of file content into String)

Could anyone please suggest any better approach?

saugata · Accepted Answer · 2010-06-30 09:54:29Z

8

Pass a StringWriter object as argument to marshal method of Marshaller

answered Jun 30, 2010 at 9:54

saugata

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user_3380739 · Accepted Answer · 2023-01-20 06:02:08Z

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Here is the simple code by abacus-common

Account account = N.fill(Account.class);
String xml = N.toXML(account);
N.println(xml); // <account><id>6264304841028291043</id><gui>33acdcbe-fd5b-49</gui><emailAddress>19c1400a-97ae-43</emailAddress><firstName>67922557-8bb4-47</firstName><middleName>7ef242c9-8ddf-48</middleName><lastName>1ec6c731-a3fd-42</lastName><birthDate>1480444055841</birthDate><status>1444930636</status><lastUpdateTime>1480444055841</lastUpdateTime><createTime>1480444055841</createTime></account>
Account account2 = N.fromXML(Account.class, xml);
assertEquals(account, account2);

Declaration： I'm the developer of abacus-common.

edited Jan 20, 2023 at 6:02

answered Nov 29, 2016 at 18:29

user_3380739

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3 Comments

RamenChef Over a year ago

Care to elaborate?

user_3380739 Over a year ago

Simplicity: It's easy to serialize an java Object to String/File/OuputStream/Writer or deserialize from String/File/InputStream/Reader. please refer to the Java API docs Parser[landawn.com/api-docs/com/landawn/abacus/parser/Parser.html]: in above

user_3380739 Over a year ago

Performance: it's about 3 to 10+ times faster than JAXB provided in JDK and XStream, depending on the size of xml/Java Object. and about 20% faster thank Jackson XML. i will update the comments about performance in the answer.

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