Hello,
I attached the extension source. (It's not finished yet ;-) ) A part of
the xsl file follows:
<xsl:template name="addressesToString">
<xsl:param name="nodes"/>
<xsl:value-of select="helper:getAddressContent($nodes)"
xmlns:helper="xalan://com.avitech.xslextension.FlightPlanHelper"/>
</xsl:template>
...
<xsl:variable name="content">
<xsl:call-template name="addressesToString">
<xsl:with-param name="nodes">
<xsl:for-each select="Addresses">
<xsl:copy-of select="."/>
</xsl:for-each>
<xsl:for-each
select="FlightPlanInfo/ExtraAddresses">
<xsl:copy-of select="."/>
</xsl:for-each>
</xsl:with-param>
</xsl:call-template>
</xsl:variable>
...
Sorin Ristache schrieb:
Hello,
You should set the extensions in a transformation scenario in the
Editor perspective and start the debugger with the Debug Scenario
action. If you add the extensions in the Debugger perspective using
the Edit extensions button then they are not saved.
I cannot reproduce the problem of refreshing the extension. Can you
send us sample files for reproducing?
Regards,
Sorin
Kai Hackemesser wrote:
That would be the behavior I would expect, but I tried several times
and controlled the log output. Even when I commented out my log
statements the log showed them again and again. I had to restart
Eclipse to get the extension class correctly reloaded. BTW, it is
annoying that the configuration of extensions get lost between
Eclipse sessions, because I always have to set them up again.
Ciao!
Kai
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package com.avitech.xslextension;
import java.io.IOException;
import java.util.logging.FileHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.crimson.tree.XmlDocument;
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class FlightPlanHelper {
private static final Logger log =
Logger.getLogger(FlightPlanHelper.class
.getName());
static {
try {
log.addHandler(new FileHandler());
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static String getAddressContent(NodeList addressNodes) {
log.info("called getAddressContent");
String result;
try {
// logNodes(addressNodes);
StringBuffer addresses = new StringBuffer();
StringBuffer extraAddresses = new StringBuffer();
Node doc = addressNodes.item(0);
NodeList list = doc.getChildNodes();
log.info("Elemente:" + String.valueOf(list));
for (int i = 0; i < list.getLength(); i++) {
final Node node = list.item(i);
if ("Addresses".equals(node.getNodeName())) {
if (addresses.length() > 0) {
addresses.append(' ');
}
log.info(
"Node type of child: "
+
node.getFirstChild().getNodeType());
addresses.append(node.getFirstChild().getNodeValue());
} else if
("ExtraAddresses".equals(node.getNodeName())) {
if (addresses.length() > 0) {
addresses.append(' ');
}
extraAddresses.append("AD ");
log.info(
"Node type of child: "
+
node.getFirstChild().getNodeType());
extraAddresses.append(node.getFirstChild().getNodeValue());
} else {
addresses.append("Unkown Node: '" +
node.getNodeName()
+ "' ");
}
}
result = addresses.append((addresses.length() > 0) ? "
" : "")
.append(extraAddresses.toString()).toString();
} catch (NullPointerException e) {
log.log(Level.SEVERE, e.getLocalizedMessage(), e);
result = "";
}
log.info("Result = '" + result + "'");
return result;
}
private static void logNodes(NodeList nodes) {
for (int i = 0; i < nodes.getLength(); i++) {
log.info("Child: " + i);
Node node = nodes.item(i);
log.info(
"Opening type '" + node.getNodeType() +
"' node "
+
String.valueOf(node.getNodeName()));
final NamedNodeMap attributes = node.getAttributes();
if (node.getNodeType() == Node.ELEMENT_NODE &&
attributes != null) {
log.info("Attributes: ");
for (int a = 0; a < attributes.getLength();
a++) {
Node attribute = attributes.item(a);
log.info(
" " +
attribute.getNodeName() + ":"
+
attribute.getNodeValue());
}
}
if (node.getChildNodes().getLength() > 0) {
log.info("Children: ");
logNodes(node.getChildNodes());
}
log.info("Closing node " +
String.valueOf(node.getNodeName()));
}
}
public static Document splitIntoLines(final String content,
final NodeList lineElements) {
Document result = new XmlDocument();
Element docRoot = result.createElement("result");
log.info("called splitIntoLines");
int lineIndex = 0;
int pointer = 0;
try {
Document doc = (Document) lineElements.item(0);
NodeList lines = doc.getChildNodes();
while (pointer < content.length() && lineIndex <
lines.getLength()) {
Node line = lines.item(lineIndex);
int lineLength =
Integer.parseInt(line.getAttributes()
.getNamedItem("length").getNodeValue());
log.info(
"Line " + lineIndex + " has max
length of "
+ lineLength);
// Wir entnehmen dem content einen Substring
von maximal
// lineLength
// Zeichen
String subString = content.substring(pointer,
Math.min(content
.length(), pointer +
lineLength));
String lineContent;
// Falls der Ausschnitt mitten in einem Wort
endet...
if (subString.length() == lineLength
&&
!content.endsWith(subString)) {
int lastSpacePointer =
subString.lastIndexOf(' ');
// falls kein Space in der Zeichenkette
ist, wird nicht
// umgebrochen, sonst wird an der
Position des letzten Space
// umgebrochen.
if (lastSpacePointer == -1) {
lastSpacePointer = lineLength;
}
lineContent = subString.substring(0,
lastSpacePointer);
} else {
lineContent = subString;
}
log.info(
"Line " + lineIndex + " will be
filled with '"
+ lineContent +
"'");
line = result.createElement("line");
line.appendChild(result.createTextNode(lineContent));
docRoot.appendChild(line);
pointer += lineContent.length();
lineIndex++;
}
if (pointer >= content.length()) {
docRoot.appendChild(result.createElement("overflow"));
}
} catch (NumberFormatException e) {
log.log(Level.SEVERE, e.getLocalizedMessage(), e);
} catch (DOMException e) {
log.log(Level.SEVERE, e.getLocalizedMessage(), e);
}
return result;
}
}
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