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package org.apache.xmlrpc.serializer; |
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import java.util.HashMap; |
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import java.util.Map; |
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import org.apache.xmlrpc.XmlRpcRequest; |
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import org.apache.xmlrpc.XmlRpcRequestConfig; |
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import org.apache.xmlrpc.common.TypeFactory; |
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import org.apache.xmlrpc.common.XmlRpcStreamConfig; |
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import org.xml.sax.Attributes; |
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import org.xml.sax.ContentHandler; |
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import org.xml.sax.SAXException; |
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import org.xml.sax.helpers.AttributesImpl; |
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public class XmlRpcWriter { |
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public static final String EXTENSIONS_URI = "http://ws.apache.org/xmlrpc/namespaces/extensions"; |
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private static final Attributes ZERO_ATTRIBUTES = new AttributesImpl(); |
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private final XmlRpcStreamConfig config; |
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private final TypeFactory typeFactory; |
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private final ContentHandler handler; |
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public XmlRpcWriter(XmlRpcStreamConfig pConfig, ContentHandler pHandler, |
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TypeFactory pTypeFactory) { |
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config = pConfig; |
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handler = pHandler; |
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typeFactory = pTypeFactory; |
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} |
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public void write(XmlRpcRequest pRequest) throws SAXException { |
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handler.startDocument(); |
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boolean extensions = pRequest.getConfig().isEnabledForExtensions(); |
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if (extensions) { |
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handler.startPrefixMapping("ex", XmlRpcWriter.EXTENSIONS_URI); |
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} |
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handler.startElement("", "methodCall", "methodCall", ZERO_ATTRIBUTES); |
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handler.startElement("", "methodName", "methodName", ZERO_ATTRIBUTES); |
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String s = pRequest.getMethodName(); |
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handler.characters(s.toCharArray(), 0, s.length()); |
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handler.endElement("", "methodName", "methodName"); |
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handler.startElement("", "params", "params", ZERO_ATTRIBUTES); |
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int num = pRequest.getParameterCount(); |
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for (int i = 0; i < num; i++) { |
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handler.startElement("", "param", "param", ZERO_ATTRIBUTES); |
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writeValue(pRequest.getParameter(i)); |
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handler.endElement("", "param", "param"); |
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} |
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handler.endElement("", "params", "params"); |
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handler.endElement("", "methodCall", "methodCall"); |
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if (extensions) { |
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handler.endPrefixMapping("ex"); |
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} |
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handler.endDocument(); |
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} |
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public void write(XmlRpcRequestConfig pConfig, Object pResult) throws SAXException { |
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handler.startDocument(); |
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boolean extensions = pConfig.isEnabledForExtensions(); |
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if (extensions) { |
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handler.startPrefixMapping("ex", XmlRpcWriter.EXTENSIONS_URI); |
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} |
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handler.startElement("", "methodResponse", "methodResponse", ZERO_ATTRIBUTES); |
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handler.startElement("", "params", "params", ZERO_ATTRIBUTES); |
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handler.startElement("", "param", "param", ZERO_ATTRIBUTES); |
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writeValue(pResult); |
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handler.endElement("", "param", "param"); |
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handler.endElement("", "params", "params"); |
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handler.endElement("", "methodResponse", "methodResponse"); |
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if (extensions) { |
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handler.endPrefixMapping("ex"); |
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} |
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handler.endDocument(); |
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} |
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public void write(XmlRpcRequestConfig pConfig, int pCode, String pMessage) throws SAXException { |
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handler.startDocument(); |
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boolean extensions = pConfig.isEnabledForExtensions(); |
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if (extensions) { |
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handler.startPrefixMapping("ex", XmlRpcWriter.EXTENSIONS_URI); |
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} |
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handler.startElement("", "methodResponse", "methodResponse", ZERO_ATTRIBUTES); |
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handler.startElement("", "fault", "fault", ZERO_ATTRIBUTES); |
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Map map = new HashMap(); |
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map.put("faultCode", new Integer(pCode)); |
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map.put("faultString", pMessage == null ? "" : pMessage); |
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writeValue(map); |
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handler.endElement("", "fault", "fault"); |
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handler.endElement("", "methodResponse", "methodResponse"); |
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if (extensions) { |
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handler.endPrefixMapping("ex"); |
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} |
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handler.endDocument(); |
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} |
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protected void writeValue(Object pObject) throws SAXException { |
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TypeSerializer serializer = typeFactory.getSerializer(config, pObject); |
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if (serializer == null) { |
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throw new SAXException("Unsupported Java type: " + pObject.getClass().getName()); |
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} |
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serializer.write(handler, pObject); |
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} |
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} |