| /** |
| * 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.camel.dataformat.xstream; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamReader; |
| import javax.xml.stream.XMLStreamWriter; |
| |
| import com.thoughtworks.xstream.XStream; |
| import com.thoughtworks.xstream.io.HierarchicalStreamReader; |
| import com.thoughtworks.xstream.io.HierarchicalStreamWriter; |
| import com.thoughtworks.xstream.io.xml.QNameMap; |
| import com.thoughtworks.xstream.io.xml.StaxReader; |
| import com.thoughtworks.xstream.io.xml.StaxWriter; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.converter.IOConverter; |
| import org.apache.camel.spi.ClassResolver; |
| import org.apache.camel.spi.DataFormat; |
| |
| /** |
| * A <a href="http://camel.apache.org/data-format.html">data format</a> |
| * ({@link DataFormat}) using XStream to marshal to and from XML |
| * |
| * @version |
| */ |
| public class XStreamDataFormat extends AbstractXStreamWrapper { |
| String encoding; |
| |
| public XStreamDataFormat() { |
| } |
| |
| public XStreamDataFormat(XStream xstream) { |
| super(xstream); |
| } |
| |
| public void setEncoding(String encoding) { |
| this.encoding = encoding; |
| } |
| |
| public String getEncoding() { |
| return encoding; |
| } |
| |
| /** |
| * A factory method which takes a collection of types to be annotated |
| */ |
| public static XStreamDataFormat processAnnotations(ClassResolver resolver, Iterable<Class<?>> types) { |
| XStreamDataFormat answer = new XStreamDataFormat(); |
| XStream xstream = answer.getXStream(resolver); |
| for (Class<?> type : types) { |
| xstream.processAnnotations(type); |
| } |
| return answer; |
| } |
| |
| /** |
| * A factory method which takes a number of types to be annotated |
| */ |
| public static XStreamDataFormat processAnnotations(ClassResolver resolver, Class<?>... types) { |
| XStreamDataFormat answer = new XStreamDataFormat(); |
| XStream xstream = answer.getXStream(resolver); |
| for (Class<?> type : types) { |
| xstream.processAnnotations(type); |
| } |
| return answer; |
| } |
| |
| // just make sure the exchange property can override the xmlstream encoding setting |
| protected void updateCharactorEncodingInfo(Exchange exchange) { |
| if (exchange.getProperty(Exchange.CHARSET_NAME) == null && encoding != null) { |
| exchange.setProperty(Exchange.CHARSET_NAME, IOConverter.normalizeCharset(encoding)); |
| } |
| } |
| |
| protected HierarchicalStreamWriter createHierarchicalStreamWriter(Exchange exchange, Object body, OutputStream stream) throws XMLStreamException { |
| updateCharactorEncodingInfo(exchange); |
| if (getXstreamDriver() != null) { |
| return getXstreamDriver().createWriter(stream); |
| } |
| XMLStreamWriter xmlWriter = getStaxConverter().createXMLStreamWriter(stream, exchange); |
| return new StaxWriter(new QNameMap(), xmlWriter); |
| } |
| |
| protected HierarchicalStreamReader createHierarchicalStreamReader(Exchange exchange, InputStream stream) throws XMLStreamException { |
| updateCharactorEncodingInfo(exchange); |
| if (getXstreamDriver() != null) { |
| return getXstreamDriver().createReader(stream); |
| } |
| XMLStreamReader xmlReader = getStaxConverter().createXMLStreamReader(stream, exchange); |
| return new StaxReader(new QNameMap(), xmlReader); |
| } |
| } |