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Fix stax writer to generate nicer XML

This commit is contained in:
Guillaume Nodet 2023-09-10 21:48:42 +02:00
parent a27f614511
commit c245ed48de
1 changed files with 101 additions and 6 deletions
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107
src/mdo/writer-stax.vm
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@ -72,6 +72,7 @@ import org.apache.maven.internal.xml.XmlNodeBuilder;
import ${packageModelV4}.${class.name};
#end
#end
import org.codehaus.stax2.util.StreamWriterDelegate;
@Generated
public class ${className} {
@ -96,6 +97,8 @@ public class ${className} {
private String fileComment = null;
#if ( $locationTracking )
private boolean addLocationInformation = true;
/**
* Field stringFormatter.
*/
@ -116,6 +119,13 @@ public class ${className} {
} //-- void setFileComment(String)
#if ( $locationTracking )
/**
* Method setAddLocationInformation.
*/
public void setAddLocationInformation(boolean addLocationInformation) {
this.addLocationInformation = addLocationInformation;
} //-- void setAddLocationInformation(String)
/**
* Method setStringFormatter.
*
@ -136,7 +146,9 @@ public class ${className} {
public void write(Writer writer, ${root.name} ${rootLcapName}) throws IOException, XMLStreamException {
XMLOutputFactory factory = new com.ctc.wstx.stax.WstxOutputFactory();
factory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, false);
XMLStreamWriter serializer = factory.createXMLStreamWriter(writer);
factory.setProperty(com.ctc.wstx.api.WstxOutputProperties.P_USE_DOUBLE_QUOTES_IN_XML_DECL, true);
factory.setProperty(com.ctc.wstx.api.WstxOutputProperties.P_ADD_SPACE_AFTER_EMPTY_ELEM, true);
XMLStreamWriter serializer = new IndentingXMLStreamWriter(factory.createXMLStreamWriter(writer));
serializer.writeStartDocument(${rootLcapName}.getModelEncoding(), null);
write${root.name}("$rootTag", ${rootLcapName}, serializer);
serializer.writeEndDocument();
@ -152,7 +164,9 @@ public class ${className} {
public void write(OutputStream stream, ${root.name} ${rootLcapName}) throws IOException, XMLStreamException {
XMLOutputFactory factory = new com.ctc.wstx.stax.WstxOutputFactory();
factory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, false);
XMLStreamWriter serializer = factory.createXMLStreamWriter(stream, ${rootLcapName}.getModelEncoding());
factory.setProperty(com.ctc.wstx.api.WstxOutputProperties.P_USE_DOUBLE_QUOTES_IN_XML_DECL, true);
factory.setProperty(com.ctc.wstx.api.WstxOutputProperties.P_ADD_SPACE_AFTER_EMPTY_ELEM, true);
XMLStreamWriter serializer = new IndentingXMLStreamWriter(factory.createXMLStreamWriter(stream, ${rootLcapName}.getModelEncoding()));
serializer.writeStartDocument(${rootLcapName}.getModelEncoding(), null);
write${root.name}("$rootTag", ${rootLcapName}, serializer);
serializer.writeEndDocument();
@ -168,7 +182,9 @@ public class ${className} {
if (${classLcapName} != null) {
#if ( $class == $root )
if (this.fileComment != null) {
serializer.writeCharacters("\n");
serializer.writeComment(this.fileComment);
serializer.writeCharacters("\n");
}
serializer.writeStartElement("", tagName, NAMESPACE);
serializer.writeNamespace("", NAMESPACE);
@ -315,7 +331,12 @@ public class ${className} {
if (dom != null) {
serializer.writeStartElement(NAMESPACE, dom.getName());
for (Map.Entry<String, String> attr : dom.getAttributes().entrySet()) {
serializer.writeAttribute(NAMESPACE, attr.getKey(), attr.getValue());
if (attr.getKey().startsWith("xml:")) {
serializer.writeAttribute("http://www.w3.org/XML/1998/namespace",
attr.getKey().substring(4), attr.getValue());
} else {
serializer.writeAttribute(attr.getKey(), attr.getValue());
}
}
for (XmlNode child : dom.getChildren()) {
writeDom(child, serializer);
@ -364,9 +385,11 @@ public class ${className} {
* @throws IOException
*/
protected void writeLocationTracking(InputLocationTracker locationTracker, Object key, XMLStreamWriter serializer) throws IOException, XMLStreamException {
InputLocation location = (locationTracker == null) ? null : locationTracker.getLocation(key);
if (location != null) {
serializer.writeComment(toString(location));
if (addLocationInformation) {
InputLocation location = (locationTracker == null) ? null : locationTracker.getLocation(key);
if (location != null) {
serializer.writeComment(toString(location));
}
}
} //-- void writeLocationTracking(InputLocationTracker, Object, XMLStreamWriter)
@ -383,4 +406,76 @@ public class ${className} {
return ' ' + location.getSource().toString() + ':' + location.getLineNumber() + ' ';
} //-- String toString(InputLocation)
#end
static class IndentingXMLStreamWriter extends StreamWriterDelegate {
int depth = 0;
boolean hasChildren = false;
public IndentingXMLStreamWriter(XMLStreamWriter parent) {
super(parent);
}
@Override
public void writeEmptyElement(String localName) throws XMLStreamException {
indent();
super.writeEmptyElement(localName);
hasChildren = true;
}
@Override
public void writeEmptyElement(String namespaceURI, String localName) throws XMLStreamException {
indent();
super.writeEmptyElement(namespaceURI, localName);
hasChildren = true;
}
@Override
public void writeEmptyElement(String prefix, String localName, String namespaceURI) throws XMLStreamException {
indent();
super.writeEmptyElement(prefix, localName, namespaceURI);
hasChildren = true;
}
@Override
public void writeStartElement(String localName) throws XMLStreamException {
indent();
super.writeStartElement(localName);
depth++;
hasChildren = false;
}
@Override
public void writeStartElement(String namespaceURI, String localName) throws XMLStreamException {
indent();
super.writeStartElement(namespaceURI, localName);
depth++;
hasChildren = false;
}
@Override
public void writeStartElement(String prefix, String localName, String namespaceURI) throws XMLStreamException {
indent();
super.writeStartElement(prefix, localName, namespaceURI);
depth++;
hasChildren = false;
}
@Override
public void writeEndElement() throws XMLStreamException {
depth--;
if (hasChildren) {
indent();
}
super.writeEndElement();
hasChildren = true;
}
private void indent() throws XMLStreamException {
super.writeCharacters("\n");
for (int i = 0; i < depth; i++) {
super.writeCharacters(" ");
}
}
}
}