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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/String2JAXB.java | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/String2JAXB.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/String2JAXB.java new file mode 100644 index 0000000000..9d0accefcc --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/String2JAXB.java @@ -0,0 +1,86 @@ +/* + * 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.tuscany.sca.databinding.jaxb; + +import java.io.StringReader; + +import javax.xml.bind.JAXBContext; +import javax.xml.bind.Unmarshaller; +import javax.xml.transform.stream.StreamSource; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.databinding.xml.XMLStringDataBinding; + +/** + * + * @version $Rev$ $Date$ + */ +public class String2JAXB extends BaseTransformer<String, Object> implements + PullTransformer<String, Object> { + private JAXBContextHelper contextHelper; + + public String2JAXB(ExtensionPointRegistry registry) { + contextHelper = JAXBContextHelper.getInstance(registry); + } + + public Object transform(final String source, final TransformationContext context) { + if (source == null) { + return null; + } + try { + JAXBContext jaxbContext = contextHelper.createJAXBContext(context, false); + Unmarshaller unmarshaller = jaxbContext.createUnmarshaller(); + StreamSource streamSource = new StreamSource(new StringReader(source)); + Object result = unmarshaller.unmarshal(streamSource, JAXBContextHelper.getJavaType(context.getTargetDataType())); + return JAXBContextHelper.createReturnValue(jaxbContext, context.getTargetDataType(), result); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + @Override + protected Class<String> getSourceType() { + return String.class; + } + + @Override + protected Class<Object> getTargetType() { + return Object.class; + } + + @Override + public int getWeight() { + return 30; + } + + @Override + public String getSourceDataBinding() { + return XMLStringDataBinding.NAME; + } + + @Override + public String getTargetDataBinding() { + return JAXBDataBinding.NAME; + } + +} |