devinsy/devinsy-utils
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This commit is contained in:
Christian P. MOMON 2013-09-09 00:56:48 +02:00
parent 8fc245b626
commit 19bc64bedc
1 changed files with 143 additions and 57 deletions
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200
src/fr/devinsy/util/xml/XMLReader.java
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@ -5,6 +5,7 @@ import java.io.FileInputStream;
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
import java.io.FileReader; import java.io.FileReader;
import java.io.InputStream; import java.io.InputStream;
import java.io.Reader;
import java.io.UnsupportedEncodingException; import java.io.UnsupportedEncodingException;
import javax.xml.namespace.QName; import javax.xml.namespace.QName;
@ -27,7 +28,8 @@ import fr.devinsy.util.xml.XMLTag.TagType;
* Public License as published by the Free Software Foundation version 3 * Public License as published by the Free Software Foundation version 3
* or any later version. * or any later version.
*/ */
public class XMLReader { public class XMLReader
{
static private final Logger logger = LoggerFactory.getLogger(XMLReader.class); static private final Logger logger = LoggerFactory.getLogger(XMLReader.class);
@ -37,7 +39,8 @@ public class XMLReader {
/** /**
* *
*/ */
protected XMLReader() { protected XMLReader()
{
this.in = null; this.in = null;
this.nextEvent = null; this.nextEvent = null;
} }
@ -49,7 +52,8 @@ public class XMLReader {
* @throws FileNotFoundException * @throws FileNotFoundException
* @throws UnsupportedEncodingException * @throws UnsupportedEncodingException
*/ */
public XMLReader(final File file) throws FileNotFoundException, XMLStreamException { public XMLReader(final File file) throws FileNotFoundException, XMLStreamException
{
this.nextEvent = null; this.nextEvent = null;
XMLInputFactory factory = XMLInputFactory.newInstance(); XMLInputFactory factory = XMLInputFactory.newInstance();
@ -62,7 +66,22 @@ public class XMLReader {
* @throws XMLStreamException * @throws XMLStreamException
* @throws UnsupportedEncodingException * @throws UnsupportedEncodingException
*/ */
public XMLReader(final InputStream source) throws XMLStreamException { public XMLReader(final InputStream source) throws XMLStreamException
{
this.nextEvent = null;
XMLInputFactory factory = XMLInputFactory.newInstance();
this.in = factory.createXMLEventReader(source);
}
/**
*
* @param target
* @throws XMLStreamException
* @throws UnsupportedEncodingException
*/
public XMLReader(final Reader source) throws XMLStreamException
{
this.nextEvent = null; this.nextEvent = null;
XMLInputFactory factory = XMLInputFactory.newInstance(); XMLInputFactory factory = XMLInputFactory.newInstance();
@ -73,11 +92,16 @@ public class XMLReader {
* @throws XMLStreamException * @throws XMLStreamException
* *
*/ */
public void close() { public void close()
if (this.in != null) { {
try { if (this.in != null)
{
try
{
this.in.close(); this.in.close();
} catch (XMLStreamException exception) { }
catch (XMLStreamException exception)
{
exception.printStackTrace(); exception.printStackTrace();
} }
} }
@ -90,22 +114,30 @@ public class XMLReader {
* @return * @return
* @throws XMLStreamException * @throws XMLStreamException
*/ */
public boolean hasNextStartTag(final String label) throws XMLStreamException { public boolean hasNextStartTag(final String label) throws XMLStreamException
{
boolean result; boolean result;
// Load next event. // Load next event.
if (this.nextEvent == null) { if (this.nextEvent == null)
if (in.hasNext()) { {
if (in.hasNext())
{
this.nextEvent = in.nextEvent(); this.nextEvent = in.nextEvent();
} }
} }
// Analyze next event. // Analyze next event.
if (this.nextEvent == null) { if (this.nextEvent == null)
{
result = false; result = false;
} else if ((this.nextEvent.isStartElement()) && (StringUtils.equals(this.nextEvent.asStartElement().getName().getLocalPart(), label))) { }
else if ((this.nextEvent.isStartElement()) && (StringUtils.equals(this.nextEvent.asStartElement().getName().getLocalPart(), label)))
{
result = true; result = true;
} else { }
else
{
result = false; result = false;
} }
@ -120,18 +152,24 @@ public class XMLReader {
* @throws XMLBadFormatException * @throws XMLBadFormatException
* @throws XMLStreamException * @throws XMLStreamException
*/ */
public XMLTag readContentTag(final String label) throws XMLBadFormatException, XMLStreamException { public XMLTag readContentTag(final String label) throws XMLBadFormatException, XMLStreamException
{
XMLTag result; XMLTag result;
// //
result = readTag(); result = readTag();
// //
if (result == null) { if (result == null)
{
throw new XMLBadFormatException("XML file ends prematurely, content tag [" + label + "] is expected."); throw new XMLBadFormatException("XML file ends prematurely, content tag [" + label + "] is expected.");
} else if (result.getType() != TagType.CONTENT) { }
else if (result.getType() != TagType.CONTENT)
{
throw new XMLBadFormatException("Content tag [" + label + "] is missing."); throw new XMLBadFormatException("Content tag [" + label + "] is missing.");
} else if (!StringUtils.equals(label, result.getLabel())) { }
else if (!StringUtils.equals(label, result.getLabel()))
{
throw new XMLBadFormatException("Tag with label [" + label + "] is missing."); throw new XMLBadFormatException("Tag with label [" + label + "] is missing.");
} }
@ -146,18 +184,24 @@ public class XMLReader {
* @throws XMLStreamException * @throws XMLStreamException
* @throws XMLBadFormatException * @throws XMLBadFormatException
*/ */
public XMLTag readEndTag(final String label) throws XMLStreamException, XMLBadFormatException { public XMLTag readEndTag(final String label) throws XMLStreamException, XMLBadFormatException
{
XMLTag result; XMLTag result;
// //
result = readTag(); result = readTag();
// //
if (result == null) { if (result == null)
{
throw new XMLBadFormatException("XML file ends prematurely, end tag [" + label + "] is expected."); throw new XMLBadFormatException("XML file ends prematurely, end tag [" + label + "] is expected.");
} else if (result.getType() != TagType.END) { }
else if (result.getType() != TagType.END)
{
throw new XMLBadFormatException("End tag [" + label + "] is missing."); throw new XMLBadFormatException("End tag [" + label + "] is missing.");
} else if (!StringUtils.equals(result.getLabel(), label)) { }
else if (!StringUtils.equals(result.getLabel(), label))
{
throw new XMLBadFormatException("Tag with label [" + label + "] is missing."); throw new XMLBadFormatException("Tag with label [" + label + "] is missing.");
} }
@ -173,18 +217,24 @@ public class XMLReader {
* @throws XMLBadFormatException * @throws XMLBadFormatException
* @throws Exception * @throws Exception
*/ */
public XMLTag readListTag(final String label) throws XMLStreamException, XMLBadFormatException { public XMLTag readListTag(final String label) throws XMLStreamException, XMLBadFormatException
{
XMLTag result; XMLTag result;
// //
result = readTag(); result = readTag();
// //
if (result == null) { if (result == null)
{
throw new XMLBadFormatException("XML file ends prematurely, tag [" + label + "] is expected."); throw new XMLBadFormatException("XML file ends prematurely, tag [" + label + "] is expected.");
} else if ((result.getType() != TagType.START) && (result.getType() != TagType.EMPTY)) { }
else if ((result.getType() != TagType.START) && (result.getType() != TagType.EMPTY))
{
throw new XMLBadFormatException("List tag [" + label + "] is missing."); throw new XMLBadFormatException("List tag [" + label + "] is missing.");
} else if (!StringUtils.equals(label, result.getLabel())) { }
else if (!StringUtils.equals(label, result.getLabel()))
{
throw new XMLBadFormatException("Tag with label [" + label + "] is missing."); throw new XMLBadFormatException("Tag with label [" + label + "] is missing.");
} }
@ -200,18 +250,24 @@ public class XMLReader {
* @throws XMLBadFormatException * @throws XMLBadFormatException
* @throws Exception * @throws Exception
*/ */
public XMLTag readNullableContentTag(final String label) throws XMLStreamException, XMLBadFormatException { public XMLTag readNullableContentTag(final String label) throws XMLStreamException, XMLBadFormatException
{
XMLTag result; XMLTag result;
// //
result = readTag(); result = readTag();
// //
if (result == null) { if (result == null)
{
throw new XMLBadFormatException("XML file ends prematurely, tag [" + label + "] is expected."); throw new XMLBadFormatException("XML file ends prematurely, tag [" + label + "] is expected.");
} else if (!StringUtils.equals(label, result.getLabel())) { }
else if (!StringUtils.equals(label, result.getLabel()))
{
throw new XMLBadFormatException("Nullable content tag [" + label + "] is missing."); throw new XMLBadFormatException("Nullable content tag [" + label + "] is missing.");
} else if ((result.getType() != TagType.EMPTY) && (result.getType() != TagType.CONTENT)) { }
else if ((result.getType() != TagType.EMPTY) && (result.getType() != TagType.CONTENT))
{
throw new XMLBadFormatException("Nullable content tag [" + label + "] is missing."); throw new XMLBadFormatException("Nullable content tag [" + label + "] is missing.");
} }
@ -227,18 +283,24 @@ public class XMLReader {
* @throws XMLBadFormatException * @throws XMLBadFormatException
* @throws Exception * @throws Exception
*/ */
public XMLTag readStartTag(final String label) throws XMLStreamException, XMLBadFormatException { public XMLTag readStartTag(final String label) throws XMLStreamException, XMLBadFormatException
{
XMLTag result; XMLTag result;
// //
result = readTag(); result = readTag();
// //
if (result == null) { if (result == null)
{
throw new XMLBadFormatException("XML file ends prematurely, start tag [" + label + "] is expected."); throw new XMLBadFormatException("XML file ends prematurely, start tag [" + label + "] is expected.");
} else if (result.getType() != TagType.START) { }
else if (result.getType() != TagType.START)
{
throw new XMLBadFormatException("Start tag [" + label + "] is missing."); throw new XMLBadFormatException("Start tag [" + label + "] is missing.");
} else if (!StringUtils.equals(result.getLabel(), label)) { }
else if (!StringUtils.equals(result.getLabel(), label))
{
throw new XMLBadFormatException("Tag with label [" + label + "] is missing."); throw new XMLBadFormatException("Tag with label [" + label + "] is missing.");
} }
@ -264,7 +326,8 @@ public class XMLReader {
* @throws XMLBadFormatException * @throws XMLBadFormatException
* *
*/ */
public XMLTag readTag() throws XMLStreamException, XMLBadFormatException { public XMLTag readTag() throws XMLStreamException, XMLBadFormatException
{
XMLTag result; XMLTag result;
int level = 1; int level = 1;
@ -273,25 +336,36 @@ public class XMLReader {
XMLAttributes attributesBuffer = null; XMLAttributes attributesBuffer = null;
QName nameBuffer = null; QName nameBuffer = null;
String contentBuffer = null; String contentBuffer = null;
while (!ended) { while (!ended)
{
// //
XMLEvent event; XMLEvent event;
if (this.nextEvent != null) { if (this.nextEvent != null)
{
event = this.nextEvent; event = this.nextEvent;
this.nextEvent = null; this.nextEvent = null;
} else if (in.hasNext()) { }
else if (in.hasNext())
{
event = in.nextEvent(); event = in.nextEvent();
} else { }
else
{
event = null; event = null;
} }
if (event == null) { if (event == null)
{
result = null; result = null;
} else { }
else
{
logger.debug("eventType=" + XMLTools.toString(event)); logger.debug("eventType=" + XMLTools.toString(event));
switch (level) { switch (level)
{
case 1: case 1:
switch (event.getEventType()) { switch (event.getEventType())
{
case XMLEvent.START_DOCUMENT: case XMLEvent.START_DOCUMENT:
// START_DOCUMENT => START DOCUMENT TAG // START_DOCUMENT => START DOCUMENT TAG
ended = true; ended = true;
@ -316,7 +390,8 @@ public class XMLReader {
} }
break; break;
case 2: case 2:
switch (event.getEventType()) { switch (event.getEventType())
{
case XMLEvent.START_ELEMENT: case XMLEvent.START_ELEMENT:
// START_ELEMENT(X) + START_ELEMENT(Y) => <X><Y> // START_ELEMENT(X) + START_ELEMENT(Y) => <X><Y>
// => START TAG // => START TAG
@ -340,7 +415,8 @@ public class XMLReader {
} }
break; break;
case 3: case 3:
switch (event.getEventType()) { switch (event.getEventType())
{
case XMLEvent.START_ELEMENT: case XMLEvent.START_ELEMENT:
// START_ELEMENT(X) + CHARACTERS(C) + // START_ELEMENT(X) + CHARACTERS(C) +
// START_ELEMENT(Y) => // START_ELEMENT(Y) =>
@ -385,16 +461,20 @@ public class XMLReader {
* @throws XMLStreamException * @throws XMLStreamException
* @throws XMLBadFormatException * @throws XMLBadFormatException
*/ */
public XMLTag readXMLFooter() throws XMLStreamException, XMLBadFormatException { public XMLTag readXMLFooter() throws XMLStreamException, XMLBadFormatException
{
XMLTag result; XMLTag result;
// //
result = readTag(); result = readTag();
// //
if (result == null) { if (result == null)
{
throw new XMLBadFormatException("XML file ends prematurely, end document event is expected."); throw new XMLBadFormatException("XML file ends prematurely, end document event is expected.");
} else if (result.getType() != TagType.FOOTER) { }
else if (result.getType() != TagType.FOOTER)
{
throw new XMLBadFormatException("End document tag is missing."); throw new XMLBadFormatException("End document tag is missing.");
} }
@ -409,7 +489,8 @@ public class XMLReader {
* @throws XMLStreamException * @throws XMLStreamException
* @throws XMLBadFormatException * @throws XMLBadFormatException
*/ */
public XMLTag readXMLHeader() throws XMLStreamException, XMLBadFormatException { public XMLTag readXMLHeader() throws XMLStreamException, XMLBadFormatException
{
XMLTag result; XMLTag result;
// //
@ -417,9 +498,12 @@ public class XMLReader {
// //
// //
if (result == null) { if (result == null)
{
throw new XMLBadFormatException("XML file ends prematurely, start document event is expected."); throw new XMLBadFormatException("XML file ends prematurely, start document event is expected.");
} else if (result.getType() != TagType.HEADER) { }
else if (result.getType() != TagType.HEADER)
{
throw new XMLBadFormatException("XML header is missing."); throw new XMLBadFormatException("XML header is missing.");
} }
@ -432,16 +516,19 @@ public class XMLReader {
* @param args * @param args
* @throws Exception * @throws Exception
*/ */
public static void main(final String args[]) throws Exception { public static void main(final String args[]) throws Exception
{
XMLInputFactory factory = XMLInputFactory.newInstance(); XMLInputFactory factory = XMLInputFactory.newInstance();
XMLEventReader in = factory.createXMLEventReader(new FileReader("/home/cpm/C/Puck/Dev/Puck/test/TT/t3.puc")); XMLEventReader in = factory.createXMLEventReader(new FileReader("/home/cpm/C/Puck/Dev/Puck/test/TT/t3.puc"));
XMLEvent event; XMLEvent event;
while (in.hasNext()) { while (in.hasNext())
{
event = in.nextEvent(); event = in.nextEvent();
switch (event.getEventType()) { switch (event.getEventType())
{
case XMLEvent.ATTRIBUTE: case XMLEvent.ATTRIBUTE:
System.out.println("ATTRIBUTE "); System.out.println("ATTRIBUTE ");
break; break;
@ -485,9 +572,8 @@ public class XMLReader {
System.out.println("START_DOCUMENT"); System.out.println("START_DOCUMENT");
break; break;
case XMLEvent.START_ELEMENT: case XMLEvent.START_ELEMENT:
System.out.println("START_ELEMENT [name=" + event.asStartElement().getName() + "][namespaceURI=" System.out.println("START_ELEMENT [name=" + event.asStartElement().getName() + "][namespaceURI=" + event.asStartElement().getName().getNamespaceURI() + "][prefix="
+ event.asStartElement().getName().getNamespaceURI() + "][prefix=" + event.asStartElement().getName().getPrefix() + "][localPart=" + event.asStartElement().getName().getPrefix() + "][localPart=" + event.asStartElement().getName().getLocalPart() + "]");
+ event.asStartElement().getName().getLocalPart() + "]");
break; break;
default: default:
System.out.println("DEFAULT"); System.out.println("DEFAULT");