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package eu.etaxonomy.cdm.remote.view;
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import java.util.Enumeration;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.xml.transform.stream.StreamResult;
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import org.dozer.Mapper;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Qualifier;
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import org.springframework.oxm.Marshaller;
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import org.springframework.web.servlet.view.AbstractView;
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import eu.etaxonomy.cdm.remote.dto.oaipmh.OAIPMH;
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/**
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* View class which takes a MetadataResponse and returns the Source for serialization
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* @author ben
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* @see javax.xml.transform.Source
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* @see com.ibm.lsid.MetadataResponse
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*/
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public abstract class OaiPmhResponseView extends AbstractView {
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private Marshaller marshaller;
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protected Mapper mapper;
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@Autowired
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@Qualifier("marshaller")
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public void setMarshaller(Marshaller marshaller) {
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this.marshaller = marshaller;
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}
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@Autowired
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public void setMapper(Mapper mapper) {
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this.mapper = mapper;
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}
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protected abstract void constructResponse(OAIPMH oaiPmh,Map<String,Object> model);
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@Override
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protected void renderMergedOutputModel(Map<String,Object> model,HttpServletRequest request, HttpServletResponse response)
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throws Exception {
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OAIPMH oaiPmh = new OAIPMH();
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StringBuffer requestBuffer = request.getRequestURL();
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if(!request.getParameterMap().isEmpty()) {
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int i = 0;
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Enumeration<String> parameterNames = request.getParameterNames();
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while(parameterNames.hasMoreElements()) {
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String parameterName = parameterNames.nextElement();
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if(i == 0) {
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requestBuffer.append("?");
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} else {
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requestBuffer.append("&");
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}
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requestBuffer.append(parameterName + "=" + request.getParameter(parameterName));
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}
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}
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model.put("request",requestBuffer.toString());
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constructResponse(oaiPmh,model);
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marshaller.marshal(oaiPmh, new StreamResult(response.getOutputStream()));
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}
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}
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