Subject: Re: [xstream-dev] Cool changes and new Features - msg#00014

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[xstream-dev] [jira] Created: (XSTR-101) XStream should be able to work with classes that are hot-redeployed

Message: A new issue has been created in JIRA. --------------------------------------------------------------------- View the issue: http://jira.codehaus.org/browse/XSTR-101 Here is an overview of the issue: --------------------------------------------------------------------- Key: XSTR-101 Summary: XStream should be able to work with classes that are hot-redeployed Type: Improvement Status: Unassigned Original Estimate: Unknown Time Spent: Unknown Remaining: Unknown Project: XStream Fix Fors: 1.0.2 Assignee: Reporter: Joe Walnes Created: Thu, 22 Jul 2004 6:08 AM Updated: Thu, 22 Jul 2004 6:08 AM Description: Stephane Nicoll wrote: >Hello list, > >We use xstream in Jboss to serialize our messages to XML and post them to JMS >queues. It works fine (great job) but when we hot redeploy serializable >classes we have the following exception: > >11:10:08,587 ERROR [ejb.plugins.LogInterceptor] >TransactionRolledbackLocalException in method: public abstract void >javax.jms.MessageListener.onMessage(javax.jms.Message), causedBy: >com.thoughtworks.xstream.converters.reflection.ObjectAccessException: Could >not get field class java.lang.reflect.Field.codAmount: null > at >com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.vis >itSerializableFields(Unknown Source) > at >com.thoughtworks.xstream.converters.reflection.ReflectionConverter.marshal(Un >known Source) > at >com.thoughtworks.xstream.core.ReferenceByXPathMarshaller.convertAnother(Unkno >wn Source) > at com.thoughtworks.xstream.core.TreeMarshaller.start(Unknown Source) > at >com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.marshal(Unk >nown Source) > at com.thoughtworks.xstream.XStream.marshal(Unknown Source) > at com.thoughtworks.xstream.XStream.toXML(Unknown Source) > >To be clear, Xstream is not hot redeployed but the Objects to serialize are. >Restarting Jboss solves the issue but this is quite annoying. > >We're using SUN JDK 1.4.2 > >Thanks, > >Stéphane > --------------------------------------------------------------------- JIRA INFORMATION: This message is automatically generated by JIRA. If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa If you want more information on JIRA, or have a bug to report see: http://www.atlassian.com/software/jira

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[xstream-dev] [jira] Closed: (XSTR-87) Field names cannot contain $ chars

Message: The following issue has been closed. --------------------------------------------------------------------- View the issue: http://jira.codehaus.org/browse/XSTR-87 Here is an overview of the issue: --------------------------------------------------------------------- Key: XSTR-87 Summary: Field names cannot contain $ chars Type: Bug Status: Closed Priority: Major Resolution: FIXED Original Estimate: Unknown Time Spent: Unknown Remaining: Unknown Project: XStream Components: Converters Fix Fors: 1.0.2 Assignee: Reporter: Joe Walnes Created: Tue, 15 Jun 2004 6:30 AM Updated: Thu, 22 Jul 2004 2:54 PM Description: Below is the thread from the mailing list. ---------- Hi, I fixed, in a way please let me know about new release or something I'd like to see standard xstream working thank you, Slavic Veaceslav Chicu wrote: > XppReader.read() > here, we can decode > > > PrettyPrintWriter.startNode > here we can encode > > the problem is Basic class like > > class Person{ > private String first_name = "Slavic"; > private String last_name = "Chicu"; > } > > doesn't work :) so bug is major > > > any idea? > > > best regards, > Slavic > > > Veaceslav Chicu wrote: > >> http://www.w3.org/TR/2000/REC-xml-20001006#sec-starttags >> so "$" is not allowed for name attribute >> >> http://java.sun.com/docs/books/jls/second_edition/html/lexical.doc.html#40625 >> identifier can be "$" >> >> so, maybe the best is to translate characters in xml writer/reader? >> >> the list is active? or not? >> >> >> best regards, >> Slavic >> >> >> >> Veaceslav Chicu wrote: >> >>> it's xpp3 parser, he doesn't accept "$" in tag name >>> the problem is I have a field with "$" in name :( >>> >>> maybe xstream should encode/decode field names? from java allowed chars >>> alphabet to xml tag name allowed chars alphabet? >>> >>> any suggestion? >>> >>> thank you, >>> Slavic >>> >>> >>> Veaceslav Chicu wrote: >>> >>>> Hi, >>>> >>>> I have an error importing a class, >>>> >>>> xml fragment: >>>> <CGLIB$CALLBACK_0 class="net.sf.hibernate.proxy.CGLIBLazyInitializer"> >>>> >>>> it's because of "$" >>>> >>>> any suggestion, workaround, what can I do with this? >>>> >>>> I exported like this: >>>> XStream xstream = new XStream(); >>>> String xml = xstream.toXML(lst); >>>> >>>> >>>> Thank you, >>>> Slavic >>>> P.S >>>> com.thoughtworks.xstream.converters.ConversionException: start tag >>>> unexpected character $ (position: TEXT seen >>>> ...ic.jqbe.modele.Domaine--EnhancerByCGLIB--213a5c8c"> <CGLIB$... >>>> @1:12225) >>>> ---- Debugging information ---- >>>> required-type : >>>> fr.infologic.jqbe.modele.Domaine$$EnhancerByCGLIB$$213a5c8c >>>> cause-message : start tag unexpected character $ (position: TEXT >>>> seen ...ic.jqbe.modele.Domaine--EnhancerByCGLIB--213a5c8c"> <CGLIB$... >>>> @1:12225) >>>> class : java.util.List >>>> message : start tag unexpected character $ (position: TEXT >>>> seen ...ic.jqbe.modele.Domaine--EnhancerByCGLIB--213a5c8c"> <CGLIB$... >>>> @1:12225) >>>> line number : 1 >>>> path : >>>> /list/fr.infologic.jqbe.modele.Consultation-array/fr.infologic.jqbe.modele.Consultation/domaine >>>> cause-exception : com.thoughtworks.xstream.io.StreamException >>>> ------------------------------- >>>> at >>>> com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.reflection.ReflectionConverter.unmarshal(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.ArrayConverter.unmarshal(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.CollectionConverter.populateCollection(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at com.thoughtworks.xstream.core.TreeUnmarshaller.start(Unknown Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.unmarshal(Unknown >>>> Source) >>>> at com.thoughtworks.xstream.XStream.unmarshal(Unknown Source) >>>> at com.thoughtworks.xstream.XStream.fromXML(Unknown Source) >>>> at com.thoughtworks.xstream.XStream.fromXML(Unknown Source) >>>> >>> >>> >> >> > > package com.thoughtworks.xstream.core.util; public class EncodeDecodeHelper { private final static String REPLACE_A = "AA"; private final static String REPLACE_$ = "AD"; public static String encodeIdentifier2XML(String identifier) { return identifier.replaceAll("A", REPLACE_A).replaceAll("\\$", REPLACE_$); } public static String decodeIdentifierFromXML(String identifier) { String res = identifier; int idx = res.indexOf(REPLACE_$); while (idx > 0) { int c = 0; for (int i = idx - 1; i >= 0; i--) { if (res.charAt(i) == 'A') c++; else if (c % 2 == 0) { res = res.substring(0, idx) + "$" + res.substring(idx + 2); break; } } idx = res.indexOf(REPLACE_$, idx); } res = res.replaceAll(REPLACE_A, "A"); return res; } } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.converters.ErrorWriter; import com.thoughtworks.xstream.core.util.EncodeDecodeHelper; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import org.dom4j.Document; import org.dom4j.Element; import java.util.LinkedList; public class Dom4JReader implements HierarchicalStreamReader { private Element currentElement; private LinkedList pointers = new LinkedList(); public Dom4JReader(Element rootElement) { currentElement = rootElement; pointers.addLast(new Pointer()); } public Dom4JReader(Document document) { currentElement = document.getRootElement(); pointers.addLast(new Pointer()); } public String getNodeName() { return EncodeDecodeHelper.decodeIdentifierFromXML(currentElement.getName()); } public String getValue() { return currentElement.getText(); } public String getAttribute(String name) { return currentElement.attributeValue(name); } public Object peekUnderlyingNode() { return currentElement; } private class Pointer { public int v; } public boolean hasMoreChildren() { Pointer pointer = (Pointer) pointers.getLast(); if (pointer.v < currentElement.elements().size()) { return true; } else { return false; } } public void moveUp() { currentElement = currentElement.getParent(); pointers.removeLast(); } public void moveDown() { Pointer pointer = (Pointer) pointers.getLast(); pointers.addLast(new Pointer()); currentElement = (Element) currentElement.elements().get(pointer.v); pointer.v++; } public void appendErrors(ErrorWriter errorWriter) { errorWriter.add("xpath", currentElement.getPath()); } } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.converters.ErrorWriter; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import org.w3c.dom.*; import java.util.ArrayList; import java.util.LinkedList; import java.util.List; public class DomReader implements HierarchicalStreamReader { private Element currentElement; private StringBuffer textBuffer; private NodeList childNodes; private LinkedList pointers = new LinkedList(); private List childElements; public DomReader(Element rootElement) { textBuffer = new StringBuffer(180); pointers.addLast(new Pointer()); setCurrent(rootElement); } public DomReader(Document document) { textBuffer = new StringBuffer(180); pointers.addLast(new Pointer()); setCurrent(document.getDocumentElement()); } public String getNodeName() { return currentElement.getTagName(); } public String getValue() { NodeList childNodes = currentElement.getChildNodes(); textBuffer.setLength(0); int length = childNodes.getLength(); for (int i = 0; i < length; i++) { Node childNode = childNodes.item(i); if (childNode instanceof Text) { Text text = (Text) childNode; textBuffer.append(text.getData()); } } return textBuffer.toString(); } public String getAttribute(String name) { Attr attribute = currentElement.getAttributeNode(name); return attribute == null ? null : attribute.getValue(); } public Object peekUnderlyingNode() { return currentElement; } private void setCurrent(Object currentElementObj) { this.currentElement = (Element) currentElementObj; childNodes = currentElement.getChildNodes(); childElements = new ArrayList(); for (int i = 0; i < childNodes.getLength(); i++) { Node node = childNodes.item(i); if (node instanceof Element) { childElements.add(node); } } } private class Pointer { public int v; } public boolean hasMoreChildren() { Pointer pointer = (Pointer) pointers.getLast(); if (pointer.v < childElements.size()) { return true; } else { return false; } } public void moveUp() { setCurrent(currentElement.getParentNode()); pointers.removeLast(); } public void moveDown() { Pointer pointer = (Pointer) pointers.getLast(); pointers.addLast(new Pointer()); setCurrent(childElements.get(pointer.v)); pointer.v++; } public void appendErrors(ErrorWriter errorWriter) { } } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.converters.ErrorWriter; import com.thoughtworks.xstream.core.util.EncodeDecodeHelper; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import com.thoughtworks.xstream.io.xml.xppdom.Xpp3Dom; import java.util.LinkedList; /** * @author <a href="mailto:jason-9Blh4qxPlo3YtjvyW6yDsg@xxxxxxxxxxxxxxxx">Jason van Zyl</a> * @version $Id: XppDomReader.java,v 1.2 2004/05/08 17:51:19 joe Exp $ */ public class XppDomReader implements HierarchicalStreamReader { private Xpp3Dom current; private LinkedList pointers = new LinkedList(); public XppDomReader(Xpp3Dom xpp3Dom) { current = xpp3Dom; pointers.addLast(new Pointer()); } public String getNodeName() { return EncodeDecodeHelper.decodeIdentifierFromXML(current.getName()); } public String getValue() { String text = null; try { text = current.getValue(); } catch (Exception e) { // do nothing. } return text == null ? "" : text; } public String getAttribute(String attributeName) { String text = null; try { text = current.getAttribute(attributeName); } catch (Exception e) { // do nothing. } return text; } public Object peekUnderlyingNode() { return current; } private class Pointer { public int v; } public boolean hasMoreChildren() { Pointer pointer = (Pointer) pointers.getLast(); if (pointer.v < current.getChildCount()) { return true; } else { return false; } } public void moveUp() { current = current.getParent(); pointers.removeLast(); } public void moveDown() { Pointer pointer = (Pointer) pointers.getLast(); pointers.addLast(new Pointer()); current = current.getChild(pointer.v); pointer.v++; } public void appendErrors(ErrorWriter errorWriter) {} } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.converters.ErrorWriter; import com.thoughtworks.xstream.core.util.EncodeDecodeHelper; import com.thoughtworks.xstream.core.util.IntQueue; import com.thoughtworks.xstream.core.util.StringStack; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import com.thoughtworks.xstream.io.StreamException; import org.xmlpull.mxp1.MXParser; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import java.io.BufferedReader; import java.io.IOException; import java.io.Reader; public class XppReader implements HierarchicalStreamReader { private final XmlPullParser parser; private final StringStack elementStack = new StringStack(16); private final IntQueue lookaheadQueue = new IntQueue(4); public XppReader(Reader reader) { try { parser = createParser(); parser.setInput(new BufferedReader(reader)); moveDown(); } catch (XmlPullParserException e) { throw new StreamException(e); } } protected XmlPullParser createParser() { // WARNING, read comment in getValue() before switching // to a different parser. return new MXParser(); } public boolean hasMoreChildren() { while (true) { switch (lookahead()) { case XmlPullParser.START_TAG : return true; case XmlPullParser.END_TAG : case XmlPullParser.END_DOCUMENT : return false; default : continue; } } } private int lookahead() { try { int event = parser.next(); lookaheadQueue.write(event); return event; } catch (XmlPullParserException e) { throw new StreamException(e); } catch (IOException e) { throw new StreamException(e); } } private int next() { if (!lookaheadQueue.isEmpty()) { return lookaheadQueue.read(); } else { try { return parser.next(); } catch (XmlPullParserException e) { throw new StreamException(e); } catch (IOException e) { throw new StreamException(e); } } } public void moveDown() { int currentDepth = elementStack.size(); while (elementStack.size() <= currentDepth) { read(); if (elementStack.size() < currentDepth) { throw new RuntimeException(); // sanity check } } } public void moveUp() { int currentDepth = elementStack.size(); while (elementStack.size() >= currentDepth) { read(); } } public String getNodeName() { return elementStack.peek(); } public String getValue() { // MXP1 (pull parser) collapses all text into a single // text event. This allows us to only need to lookahead // one step. However if using a different pull parser // impl, you may need to look ahead further. if (lookahead() == XmlPullParser.TEXT) { String text = parser.getText(); return text == null ? "" : text; } else { return ""; } } public String getAttribute(String name) { return parser.getAttributeValue(null, name); } public Object peekUnderlyingNode() { throw new UnsupportedOperationException(); } private void read() { switch (next()) { case XmlPullParser.START_TAG : elementStack.push(EncodeDecodeHelper.decodeIdentifierFromXML(parser.getName())); break; case XmlPullParser.END_TAG : case XmlPullParser.END_DOCUMENT : elementStack.pop(); break; } } public void appendErrors(ErrorWriter errorWriter) { errorWriter.add("line number", String.valueOf(parser.getLineNumber())); } } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.core.util.EncodeDecodeHelper; import com.thoughtworks.xstream.core.util.QuickWriter; import com.thoughtworks.xstream.core.util.StringStack; import com.thoughtworks.xstream.io.HierarchicalStreamWriter; import java.io.PrintWriter; import java.io.Writer; public class PrettyPrintWriter implements HierarchicalStreamWriter { private final QuickWriter writer; private final StringStack elementStack = new StringStack(16); private final char[] lineIndenter; private boolean tagInProgress; private int depth; private boolean readyForNewLine; private boolean tagIsEmpty; private static final char[] AMP = { '&', 'a', 'm', 'p', ';' }; private static final char[] LT = { '&', 'l', 't', ';' }; private static final char[] GT = { '&', 'g', 't', ';' }; private static final char[] CLOSE = { '<', '/' }; public PrettyPrintWriter(Writer writer, char[] lineIndenter) { this.writer = new QuickWriter(writer); this.lineIndenter = lineIndenter; } public PrettyPrintWriter(Writer writer, String lineIndenter) { this(writer, lineIndenter.toCharArray()); } public PrettyPrintWriter(PrintWriter writer) { this(writer, new char[] { ' ', ' ' }); } public PrettyPrintWriter(Writer writer) { this(new PrintWriter(writer)); } public void startNode(String name) { name = EncodeDecodeHelper.encodeIdentifier2XML(name); tagIsEmpty = false; finishTag(); writer.write('<'); writer.write(name); elementStack.push(name); tagInProgress = true; depth++; readyForNewLine = true; tagIsEmpty = true; } public void setValue(String text) { readyForNewLine = false; tagIsEmpty = false; finishTag(); // Profiler said this was a bottleneck final char[] chars = text.toCharArray(); final int length = chars.length; for (int i = 0; i < length; i++) { final char c = chars[i]; switch (c) { case '&' : writer.write(AMP); break; case '<' : writer.write(LT); break; case '>' : writer.write(GT); break; default : writer.write(c); } } // end bottleneck } public void addAttribute(String key, String value) { writer.write(' '); writer.write(key); writer.write('='); writer.write('\"'); writer.write(value); writer.write('\"'); } public void endNode() { depth--; if (tagIsEmpty) { writer.write('/'); readyForNewLine = false; finishTag(); elementStack.popSilently(); } else { finishTag(); writer.write(CLOSE); writer.write(elementStack.pop()); writer.write('>'); } readyForNewLine = true; writer.flush(); } private void finishTag() { if (tagInProgress) { writer.write('>'); } tagInProgress = false; if (readyForNewLine) { endOfLine(); } readyForNewLine = false; tagIsEmpty = false; } protected void endOfLine() { writer.write('\n'); for (int i = 0; i < depth; i++) { writer.write(lineIndenter); } } } --------------------------------------------------------------------- JIRA INFORMATION: This message is automatically generated by JIRA. If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa If you want more information on JIRA, or have a bug to report see: http://www.atlassian.com/software/jira

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[xstream-dev] [jira] Created: (XSTR-101) XStream should be able to work with classes that are hot-redeployed

Message: A new issue has been created in JIRA. --------------------------------------------------------------------- View the issue: http://jira.codehaus.org/browse/XSTR-101 Here is an overview of the issue: --------------------------------------------------------------------- Key: XSTR-101 Summary: XStream should be able to work with classes that are hot-redeployed Type: Improvement Status: Unassigned Original Estimate: Unknown Time Spent: Unknown Remaining: Unknown Project: XStream Fix Fors: 1.0.2 Assignee: Reporter: Joe Walnes Created: Thu, 22 Jul 2004 6:08 AM Updated: Thu, 22 Jul 2004 6:08 AM Description: Stephane Nicoll wrote: >Hello list, > >We use xstream in Jboss to serialize our messages to XML and post them to JMS >queues. It works fine (great job) but when we hot redeploy serializable >classes we have the following exception: > >11:10:08,587 ERROR [ejb.plugins.LogInterceptor] >TransactionRolledbackLocalException in method: public abstract void >javax.jms.MessageListener.onMessage(javax.jms.Message), causedBy: >com.thoughtworks.xstream.converters.reflection.ObjectAccessException: Could >not get field class java.lang.reflect.Field.codAmount: null > at >com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.vis >itSerializableFields(Unknown Source) > at >com.thoughtworks.xstream.converters.reflection.ReflectionConverter.marshal(Un >known Source) > at >com.thoughtworks.xstream.core.ReferenceByXPathMarshaller.convertAnother(Unkno >wn Source) > at com.thoughtworks.xstream.core.TreeMarshaller.start(Unknown Source) > at >com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.marshal(Unk >nown Source) > at com.thoughtworks.xstream.XStream.marshal(Unknown Source) > at com.thoughtworks.xstream.XStream.toXML(Unknown Source) > >To be clear, Xstream is not hot redeployed but the Objects to serialize are. >Restarting Jboss solves the issue but this is quite annoying. > >We're using SUN JDK 1.4.2 > >Thanks, > >Stéphane > --------------------------------------------------------------------- JIRA INFORMATION: This message is automatically generated by JIRA. If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa If you want more information on JIRA, or have a bug to report see: http://www.atlassian.com/software/jira

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[xstream-dev] [jira] Closed: (XSTR-87) Field names cannot contain $ chars

Message: The following issue has been closed. --------------------------------------------------------------------- View the issue: http://jira.codehaus.org/browse/XSTR-87 Here is an overview of the issue: --------------------------------------------------------------------- Key: XSTR-87 Summary: Field names cannot contain $ chars Type: Bug Status: Closed Priority: Major Resolution: FIXED Original Estimate: Unknown Time Spent: Unknown Remaining: Unknown Project: XStream Components: Converters Fix Fors: 1.0.2 Assignee: Reporter: Joe Walnes Created: Tue, 15 Jun 2004 6:30 AM Updated: Thu, 22 Jul 2004 2:54 PM Description: Below is the thread from the mailing list. ---------- Hi, I fixed, in a way please let me know about new release or something I'd like to see standard xstream working thank you, Slavic Veaceslav Chicu wrote: > XppReader.read() > here, we can decode > > > PrettyPrintWriter.startNode > here we can encode > > the problem is Basic class like > > class Person{ > private String first_name = "Slavic"; > private String last_name = "Chicu"; > } > > doesn't work :) so bug is major > > > any idea? > > > best regards, > Slavic > > > Veaceslav Chicu wrote: > >> http://www.w3.org/TR/2000/REC-xml-20001006#sec-starttags >> so "$" is not allowed for name attribute >> >> http://java.sun.com/docs/books/jls/second_edition/html/lexical.doc.html#40625 >> identifier can be "$" >> >> so, maybe the best is to translate characters in xml writer/reader? >> >> the list is active? or not? >> >> >> best regards, >> Slavic >> >> >> >> Veaceslav Chicu wrote: >> >>> it's xpp3 parser, he doesn't accept "$" in tag name >>> the problem is I have a field with "$" in name :( >>> >>> maybe xstream should encode/decode field names? from java allowed chars >>> alphabet to xml tag name allowed chars alphabet? >>> >>> any suggestion? >>> >>> thank you, >>> Slavic >>> >>> >>> Veaceslav Chicu wrote: >>> >>>> Hi, >>>> >>>> I have an error importing a class, >>>> >>>> xml fragment: >>>> <CGLIB$CALLBACK_0 class="net.sf.hibernate.proxy.CGLIBLazyInitializer"> >>>> >>>> it's because of "$" >>>> >>>> any suggestion, workaround, what can I do with this? >>>> >>>> I exported like this: >>>> XStream xstream = new XStream(); >>>> String xml = xstream.toXML(lst); >>>> >>>> >>>> Thank you, >>>> Slavic >>>> P.S >>>> com.thoughtworks.xstream.converters.ConversionException: start tag >>>> unexpected character $ (position: TEXT seen >>>> ...ic.jqbe.modele.Domaine--EnhancerByCGLIB--213a5c8c"> <CGLIB$... >>>> @1:12225) >>>> ---- Debugging information ---- >>>> required-type : >>>> fr.infologic.jqbe.modele.Domaine$$EnhancerByCGLIB$$213a5c8c >>>> cause-message : start tag unexpected character $ (position: TEXT >>>> seen ...ic.jqbe.modele.Domaine--EnhancerByCGLIB--213a5c8c"> <CGLIB$... >>>> @1:12225) >>>> class : java.util.List >>>> message : start tag unexpected character $ (position: TEXT >>>> seen ...ic.jqbe.modele.Domaine--EnhancerByCGLIB--213a5c8c"> <CGLIB$... >>>> @1:12225) >>>> line number : 1 >>>> path : >>>> /list/fr.infologic.jqbe.modele.Consultation-array/fr.infologic.jqbe.modele.Consultation/domaine >>>> cause-exception : com.thoughtworks.xstream.io.StreamException >>>> ------------------------------- >>>> at >>>> com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.reflection.ReflectionConverter.unmarshal(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.ArrayConverter.unmarshal(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.CollectionConverter.populateCollection(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.converters.collections.CollectionConverter.unmarshal(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathUnmarshaller.convertAnother(Unknown >>>> Source) >>>> at com.thoughtworks.xstream.core.TreeUnmarshaller.start(Unknown Source) >>>> at >>>> com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.unmarshal(Unknown >>>> Source) >>>> at com.thoughtworks.xstream.XStream.unmarshal(Unknown Source) >>>> at com.thoughtworks.xstream.XStream.fromXML(Unknown Source) >>>> at com.thoughtworks.xstream.XStream.fromXML(Unknown Source) >>>> >>> >>> >> >> > > package com.thoughtworks.xstream.core.util; public class EncodeDecodeHelper { private final static String REPLACE_A = "AA"; private final static String REPLACE_$ = "AD"; public static String encodeIdentifier2XML(String identifier) { return identifier.replaceAll("A", REPLACE_A).replaceAll("\\$", REPLACE_$); } public static String decodeIdentifierFromXML(String identifier) { String res = identifier; int idx = res.indexOf(REPLACE_$); while (idx > 0) { int c = 0; for (int i = idx - 1; i >= 0; i--) { if (res.charAt(i) == 'A') c++; else if (c % 2 == 0) { res = res.substring(0, idx) + "$" + res.substring(idx + 2); break; } } idx = res.indexOf(REPLACE_$, idx); } res = res.replaceAll(REPLACE_A, "A"); return res; } } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.converters.ErrorWriter; import com.thoughtworks.xstream.core.util.EncodeDecodeHelper; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import org.dom4j.Document; import org.dom4j.Element; import java.util.LinkedList; public class Dom4JReader implements HierarchicalStreamReader { private Element currentElement; private LinkedList pointers = new LinkedList(); public Dom4JReader(Element rootElement) { currentElement = rootElement; pointers.addLast(new Pointer()); } public Dom4JReader(Document document) { currentElement = document.getRootElement(); pointers.addLast(new Pointer()); } public String getNodeName() { return EncodeDecodeHelper.decodeIdentifierFromXML(currentElement.getName()); } public String getValue() { return currentElement.getText(); } public String getAttribute(String name) { return currentElement.attributeValue(name); } public Object peekUnderlyingNode() { return currentElement; } private class Pointer { public int v; } public boolean hasMoreChildren() { Pointer pointer = (Pointer) pointers.getLast(); if (pointer.v < currentElement.elements().size()) { return true; } else { return false; } } public void moveUp() { currentElement = currentElement.getParent(); pointers.removeLast(); } public void moveDown() { Pointer pointer = (Pointer) pointers.getLast(); pointers.addLast(new Pointer()); currentElement = (Element) currentElement.elements().get(pointer.v); pointer.v++; } public void appendErrors(ErrorWriter errorWriter) { errorWriter.add("xpath", currentElement.getPath()); } } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.converters.ErrorWriter; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import org.w3c.dom.*; import java.util.ArrayList; import java.util.LinkedList; import java.util.List; public class DomReader implements HierarchicalStreamReader { private Element currentElement; private StringBuffer textBuffer; private NodeList childNodes; private LinkedList pointers = new LinkedList(); private List childElements; public DomReader(Element rootElement) { textBuffer = new StringBuffer(180); pointers.addLast(new Pointer()); setCurrent(rootElement); } public DomReader(Document document) { textBuffer = new StringBuffer(180); pointers.addLast(new Pointer()); setCurrent(document.getDocumentElement()); } public String getNodeName() { return currentElement.getTagName(); } public String getValue() { NodeList childNodes = currentElement.getChildNodes(); textBuffer.setLength(0); int length = childNodes.getLength(); for (int i = 0; i < length; i++) { Node childNode = childNodes.item(i); if (childNode instanceof Text) { Text text = (Text) childNode; textBuffer.append(text.getData()); } } return textBuffer.toString(); } public String getAttribute(String name) { Attr attribute = currentElement.getAttributeNode(name); return attribute == null ? null : attribute.getValue(); } public Object peekUnderlyingNode() { return currentElement; } private void setCurrent(Object currentElementObj) { this.currentElement = (Element) currentElementObj; childNodes = currentElement.getChildNodes(); childElements = new ArrayList(); for (int i = 0; i < childNodes.getLength(); i++) { Node node = childNodes.item(i); if (node instanceof Element) { childElements.add(node); } } } private class Pointer { public int v; } public boolean hasMoreChildren() { Pointer pointer = (Pointer) pointers.getLast(); if (pointer.v < childElements.size()) { return true; } else { return false; } } public void moveUp() { setCurrent(currentElement.getParentNode()); pointers.removeLast(); } public void moveDown() { Pointer pointer = (Pointer) pointers.getLast(); pointers.addLast(new Pointer()); setCurrent(childElements.get(pointer.v)); pointer.v++; } public void appendErrors(ErrorWriter errorWriter) { } } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.converters.ErrorWriter; import com.thoughtworks.xstream.core.util.EncodeDecodeHelper; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import com.thoughtworks.xstream.io.xml.xppdom.Xpp3Dom; import java.util.LinkedList; /** * @author <a href="mailto:jason-9Blh4qxPlo3YtjvyW6yDsg@xxxxxxxxxxxxxxxx">Jason van Zyl</a> * @version $Id: XppDomReader.java,v 1.2 2004/05/08 17:51:19 joe Exp $ */ public class XppDomReader implements HierarchicalStreamReader { private Xpp3Dom current; private LinkedList pointers = new LinkedList(); public XppDomReader(Xpp3Dom xpp3Dom) { current = xpp3Dom; pointers.addLast(new Pointer()); } public String getNodeName() { return EncodeDecodeHelper.decodeIdentifierFromXML(current.getName()); } public String getValue() { String text = null; try { text = current.getValue(); } catch (Exception e) { // do nothing. } return text == null ? "" : text; } public String getAttribute(String attributeName) { String text = null; try { text = current.getAttribute(attributeName); } catch (Exception e) { // do nothing. } return text; } public Object peekUnderlyingNode() { return current; } private class Pointer { public int v; } public boolean hasMoreChildren() { Pointer pointer = (Pointer) pointers.getLast(); if (pointer.v < current.getChildCount()) { return true; } else { return false; } } public void moveUp() { current = current.getParent(); pointers.removeLast(); } public void moveDown() { Pointer pointer = (Pointer) pointers.getLast(); pointers.addLast(new Pointer()); current = current.getChild(pointer.v); pointer.v++; } public void appendErrors(ErrorWriter errorWriter) {} } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.converters.ErrorWriter; import com.thoughtworks.xstream.core.util.EncodeDecodeHelper; import com.thoughtworks.xstream.core.util.IntQueue; import com.thoughtworks.xstream.core.util.StringStack; import com.thoughtworks.xstream.io.HierarchicalStreamReader; import com.thoughtworks.xstream.io.StreamException; import org.xmlpull.mxp1.MXParser; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import java.io.BufferedReader; import java.io.IOException; import java.io.Reader; public class XppReader implements HierarchicalStreamReader { private final XmlPullParser parser; private final StringStack elementStack = new StringStack(16); private final IntQueue lookaheadQueue = new IntQueue(4); public XppReader(Reader reader) { try { parser = createParser(); parser.setInput(new BufferedReader(reader)); moveDown(); } catch (XmlPullParserException e) { throw new StreamException(e); } } protected XmlPullParser createParser() { // WARNING, read comment in getValue() before switching // to a different parser. return new MXParser(); } public boolean hasMoreChildren() { while (true) { switch (lookahead()) { case XmlPullParser.START_TAG : return true; case XmlPullParser.END_TAG : case XmlPullParser.END_DOCUMENT : return false; default : continue; } } } private int lookahead() { try { int event = parser.next(); lookaheadQueue.write(event); return event; } catch (XmlPullParserException e) { throw new StreamException(e); } catch (IOException e) { throw new StreamException(e); } } private int next() { if (!lookaheadQueue.isEmpty()) { return lookaheadQueue.read(); } else { try { return parser.next(); } catch (XmlPullParserException e) { throw new StreamException(e); } catch (IOException e) { throw new StreamException(e); } } } public void moveDown() { int currentDepth = elementStack.size(); while (elementStack.size() <= currentDepth) { read(); if (elementStack.size() < currentDepth) { throw new RuntimeException(); // sanity check } } } public void moveUp() { int currentDepth = elementStack.size(); while (elementStack.size() >= currentDepth) { read(); } } public String getNodeName() { return elementStack.peek(); } public String getValue() { // MXP1 (pull parser) collapses all text into a single // text event. This allows us to only need to lookahead // one step. However if using a different pull parser // impl, you may need to look ahead further. if (lookahead() == XmlPullParser.TEXT) { String text = parser.getText(); return text == null ? "" : text; } else { return ""; } } public String getAttribute(String name) { return parser.getAttributeValue(null, name); } public Object peekUnderlyingNode() { throw new UnsupportedOperationException(); } private void read() { switch (next()) { case XmlPullParser.START_TAG : elementStack.push(EncodeDecodeHelper.decodeIdentifierFromXML(parser.getName())); break; case XmlPullParser.END_TAG : case XmlPullParser.END_DOCUMENT : elementStack.pop(); break; } } public void appendErrors(ErrorWriter errorWriter) { errorWriter.add("line number", String.valueOf(parser.getLineNumber())); } } package com.thoughtworks.xstream.io.xml; import com.thoughtworks.xstream.core.util.EncodeDecodeHelper; import com.thoughtworks.xstream.core.util.QuickWriter; import com.thoughtworks.xstream.core.util.StringStack; import com.thoughtworks.xstream.io.HierarchicalStreamWriter; import java.io.PrintWriter; import java.io.Writer; public class PrettyPrintWriter implements HierarchicalStreamWriter { private final QuickWriter writer; private final StringStack elementStack = new StringStack(16); private final char[] lineIndenter; private boolean tagInProgress; private int depth; private boolean readyForNewLine; private boolean tagIsEmpty; private static final char[] AMP = { '&', 'a', 'm', 'p', ';' }; private static final char[] LT = { '&', 'l', 't', ';' }; private static final char[] GT = { '&', 'g', 't', ';' }; private static final char[] CLOSE = { '<', '/' }; public PrettyPrintWriter(Writer writer, char[] lineIndenter) { this.writer = new QuickWriter(writer); this.lineIndenter = lineIndenter; } public PrettyPrintWriter(Writer writer, String lineIndenter) { this(writer, lineIndenter.toCharArray()); } public PrettyPrintWriter(PrintWriter writer) { this(writer, new char[] { ' ', ' ' }); } public PrettyPrintWriter(Writer writer) { this(new PrintWriter(writer)); } public void startNode(String name) { name = EncodeDecodeHelper.encodeIdentifier2XML(name); tagIsEmpty = false; finishTag(); writer.write('<'); writer.write(name); elementStack.push(name); tagInProgress = true; depth++; readyForNewLine = true; tagIsEmpty = true; } public void setValue(String text) { readyForNewLine = false; tagIsEmpty = false; finishTag(); // Profiler said this was a bottleneck final char[] chars = text.toCharArray(); final int length = chars.length; for (int i = 0; i < length; i++) { final char c = chars[i]; switch (c) { case '&' : writer.write(AMP); break; case '<' : writer.write(LT); break; case '>' : writer.write(GT); break; default : writer.write(c); } } // end bottleneck } public void addAttribute(String key, String value) { writer.write(' '); writer.write(key); writer.write('='); writer.write('\"'); writer.write(value); writer.write('\"'); } public void endNode() { depth--; if (tagIsEmpty) { writer.write('/'); readyForNewLine = false; finishTag(); elementStack.popSilently(); } else { finishTag(); writer.write(CLOSE); writer.write(elementStack.pop()); writer.write('>'); } readyForNewLine = true; writer.flush(); } private void finishTag() { if (tagInProgress) { writer.write('>'); } tagInProgress = false; if (readyForNewLine) { endOfLine(); } readyForNewLine = false; tagIsEmpty = false; } protected void endOfLine() { writer.write('\n'); for (int i = 0; i < depth; i++) { writer.write(lineIndenter); } } } --------------------------------------------------------------------- JIRA INFORMATION: This message is automatically generated by JIRA. 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