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package org.apache.xmlrpc.parser; |
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import javax.xml.namespace.QName; |
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import org.apache.ws.commons.util.NamespaceContextImpl; |
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import org.apache.xmlrpc.XmlRpcException; |
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import org.apache.xmlrpc.common.TypeFactory; |
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import org.apache.xmlrpc.common.XmlRpcExtensionException; |
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import org.apache.xmlrpc.common.XmlRpcStreamConfig; |
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import org.apache.xmlrpc.serializer.XmlRpcWriter; |
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import org.xml.sax.Attributes; |
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import org.xml.sax.SAXException; |
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import org.xml.sax.SAXParseException; |
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public abstract class RecursiveTypeParserImpl extends TypeParserImpl { |
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private final NamespaceContextImpl context; |
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protected final XmlRpcStreamConfig cfg; |
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private final TypeFactory factory; |
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private boolean inValueTag; |
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private TypeParser typeParser; |
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private String text; |
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protected RecursiveTypeParserImpl(XmlRpcStreamConfig pConfig, |
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NamespaceContextImpl pContext, |
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TypeFactory pFactory) { |
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cfg = pConfig; |
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context = pContext; |
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factory = pFactory; |
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} |
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protected void startValueTag() throws SAXException { |
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inValueTag = true; |
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text = null; |
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typeParser = null; |
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} |
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protected abstract void addResult(Object pResult) throws SAXException; |
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protected void endValueTag() throws SAXException { |
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if (inValueTag) { |
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if (typeParser == null) { |
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addResult(text == null ? "" : text); |
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text = null; |
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} else { |
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typeParser.endDocument(); |
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try { |
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addResult(typeParser.getResult()); |
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} catch (XmlRpcException e) { |
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throw new SAXException(e); |
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} |
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typeParser = null; |
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} |
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} else { |
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throw new SAXParseException("Invalid state: Not inside value tag.", |
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getDocumentLocator()); |
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} |
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} |
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public void startDocument() throws SAXException { |
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inValueTag = false; |
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text = null; |
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typeParser = null; |
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} |
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public void endElement(String pURI, String pLocalName, String pQName) |
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throws SAXException { |
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if (inValueTag) { |
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if (typeParser == null) { |
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throw new SAXParseException("Invalid state: No type parser configured.", |
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getDocumentLocator()); |
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} else { |
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typeParser.endElement(pURI, pLocalName, pQName); |
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} |
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} else { |
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throw new SAXParseException("Invalid state: Not inside value tag.", |
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getDocumentLocator()); |
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} |
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} |
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public void startElement(String pURI, String pLocalName, |
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String pQName, Attributes pAttrs) throws SAXException { |
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if (inValueTag) { |
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if (typeParser == null) { |
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typeParser = factory.getParser(cfg, context, pURI, pLocalName); |
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if (typeParser == null) { |
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if (XmlRpcWriter.EXTENSIONS_URI.equals(pURI) && !cfg.isEnabledForExtensions()) { |
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String msg = "The tag " + new QName(pURI, pLocalName) + " is invalid, if isEnabledForExtensions() == false."; |
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throw new SAXParseException(msg, getDocumentLocator(), |
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new XmlRpcExtensionException(msg)); |
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} else { |
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throw new SAXParseException("Unknown type: " + new QName(pURI, pLocalName), |
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getDocumentLocator()); |
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} |
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} |
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typeParser.setDocumentLocator(getDocumentLocator()); |
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typeParser.startDocument(); |
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if (text != null) { |
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typeParser.characters(text.toCharArray(), 0, text.length()); |
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text = null; |
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} |
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} |
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typeParser.startElement(pURI, pLocalName, pQName, pAttrs); |
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} else { |
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throw new SAXParseException("Invalid state: Not inside value tag.", |
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getDocumentLocator()); |
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} |
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} |
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public void characters(char[] pChars, int pOffset, int pLength) throws SAXException { |
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if (typeParser == null) { |
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if (inValueTag) { |
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String s = new String(pChars, pOffset, pLength); |
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text = text == null ? s : text + s; |
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} else { |
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super.characters(pChars, pOffset, pLength); |
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} |
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} else { |
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typeParser.characters(pChars, pOffset, pLength); |
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} |
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} |
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public void ignorableWhitespace(char[] pChars, int pOffset, int pLength) throws SAXException { |
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if (typeParser == null) { |
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if (inValueTag) { |
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String s = new String(pChars, pOffset, pLength); |
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text = text == null ? s : text + s; |
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} else { |
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super.ignorableWhitespace(pChars, pOffset, pLength); |
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} |
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} else { |
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typeParser.ignorableWhitespace(pChars, pOffset, pLength); |
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} |
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} |
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public void processingInstruction(String pTarget, String pData) throws SAXException { |
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if (typeParser == null) { |
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super.processingInstruction(pTarget, pData); |
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} else { |
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typeParser.processingInstruction(pTarget, pData); |
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} |
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} |
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public void skippedEntity(String pEntity) throws SAXException { |
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if (typeParser == null) { |
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super.skippedEntity(pEntity); |
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} else { |
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typeParser.skippedEntity(pEntity); |
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} |
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} |
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public void startPrefixMapping(String pPrefix, String pURI) throws SAXException { |
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if (typeParser == null) { |
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super.startPrefixMapping(pPrefix, pURI); |
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} else { |
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context.startPrefixMapping(pPrefix, pURI); |
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} |
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} |
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public void endPrefixMapping(String pPrefix) throws SAXException { |
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if (typeParser == null) { |
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super.endPrefixMapping(pPrefix); |
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} else { |
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context.endPrefixMapping(pPrefix); |
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} |
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} |
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} |