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Apache CXF example source code file (SourceProvider.java)
The Apache CXF SourceProvider.java source code/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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. */ package org.apache.cxf.jaxrs.provider; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.lang.annotation.Annotation; import java.lang.reflect.Type; import javax.ws.rs.Consumes; import javax.ws.rs.Produces; import javax.ws.rs.WebApplicationException; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.MultivaluedMap; import javax.ws.rs.ext.MessageBodyReader; import javax.ws.rs.ext.MessageBodyWriter; import javax.ws.rs.ext.Provider; import javax.xml.stream.XMLStreamException; import javax.xml.stream.XMLStreamReader; import javax.xml.stream.XMLStreamWriter; import javax.xml.transform.Source; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamSource; import org.w3c.dom.Document; import org.apache.cxf.jaxrs.ext.xml.XMLSource; import org.apache.cxf.staxutils.StaxUtils; @Provider @Produces({"application/xml", "application/*+xml", "text/xml" }) @Consumes({"application/xml", "application/*+xml", "text/xml", "text/html" }) public class SourceProvider implements MessageBodyReader<Object>, MessageBodyWriter { public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mt) { return Source.class.isAssignableFrom(type); } public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mt) { return Source.class.isAssignableFrom(type) || XMLSource.class.isAssignableFrom(type) || Document.class.isAssignableFrom(type); } public Object readFrom(Class<Object> source, Type genericType, Annotation[] annotations, MediaType m, MultivaluedMap<String, String> headers, InputStream is) throws IOException { if (DOMSource.class.isAssignableFrom(source) || Document.class.isAssignableFrom(source)) { boolean docRequired = Document.class.isAssignableFrom(source); XMLStreamReader reader = StaxUtils.createXMLStreamReader(is); try { Document doc = StaxUtils.read(reader); return docRequired ? doc : new DOMSource(doc); } catch (Exception e) { IOException ioex = new IOException("Problem creating a Source object"); ioex.setStackTrace(e.getStackTrace()); throw ioex; } finally { try { reader.close(); } catch (XMLStreamException e) { //ignore } } } else if (StreamSource.class.isAssignableFrom(source) || Source.class.isAssignableFrom(source)) { return new StreamSource(is); } else if (XMLSource.class.isAssignableFrom(source)) { return new XMLSource(is); } throw new IOException("Unrecognized source"); } public void writeTo(Source source, Class<?> clazz, Type genericType, Annotation[] annotations, MediaType m, MultivaluedMap<String, Object> headers, OutputStream os) throws IOException { String encoding = "utf-8"; //FIXME XMLStreamReader reader = StaxUtils.createXMLStreamReader(source); XMLStreamWriter writer = StaxUtils.createXMLStreamWriter(os, encoding); try { StaxUtils.copy(reader, writer); } catch (XMLStreamException e) { throw new WebApplicationException(e); } finally { try { reader.close(); } catch (XMLStreamException e) { //ignore } try { writer.flush(); } catch (XMLStreamException e) { //ignore } } } public long getSize(Source source, Class<?> type, Type genericType, Annotation[] annotations, MediaType mt) { return -1; } } Other Apache CXF examples (source code examples)Here is a short list of links related to this Apache CXF SourceProvider.java source code file: |
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