com.sun.jersey.json.impl.BaseJSONMarshaller Maven / Gradle / Ivy
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package com.sun.jersey.json.impl;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.Charset;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.PropertyException;
import javax.xml.stream.XMLStreamWriter;
import com.sun.jersey.api.json.JSONConfigurated;
import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.api.json.JSONMarshaller;
/**
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
* @author Michal Gajdos (michal.gajdos at oracle.com)
*/
public class BaseJSONMarshaller implements JSONMarshaller, JSONConfigurated {
private static final Charset UTF8 = Charset.forName("UTF-8");
protected final Marshaller jaxbMarshaller;
private final JAXBContext jaxbContext;
protected JSONConfiguration jsonConfig;
public BaseJSONMarshaller(JAXBContext jaxbContext, JSONConfiguration jsonConfig) throws JAXBException {
this(jaxbContext.createMarshaller(), jaxbContext, jsonConfig);
}
public BaseJSONMarshaller(Marshaller jaxbMarshaller, JAXBContext jaxbContext, JSONConfiguration jsonConfig) {
this.jsonConfig = jsonConfig;
this.jaxbContext = jaxbContext;
this.jaxbMarshaller = jaxbMarshaller;
}
// JSONConfigurated
public JSONConfiguration getJSONConfiguration() {
return jsonConfig;
}
// JSONMarshaller
public void marshallToJSON(Object o, OutputStream outputStream) throws JAXBException {
if (outputStream == null) {
throw new IllegalArgumentException("The output stream is null");
}
marshallToJSON(o, new OutputStreamWriter(outputStream, UTF8));
}
public void marshallToJSON(Object o, Writer writer) throws JAXBException {
if (o == null) {
throw new IllegalArgumentException("The JAXB element is null");
}
if (writer == null) {
throw new IllegalArgumentException("The writer is null");
}
jaxbMarshaller.marshal(o, getXMLStreamWriter(writer, o.getClass()));
}
private XMLStreamWriter getXMLStreamWriter(Writer writer, Class> expectedType) throws JAXBException {
try {
return Stax2JsonFactory.createWriter(writer, jsonConfig, expectedType, jaxbContext);
} catch (IOException ex) {
throw new JAXBException(ex);
}
}
public void setProperty(String key, Object value) throws PropertyException {
// do nothing
}
}