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wrap gwt DOM into SAX parser

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This commit is contained in:
Hannes Janetzek 2013-06-28 04:27:50 +02:00
parent 0c0b376c1e
commit ec03add2a6
7 changed files with 260 additions and 0 deletions
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83
vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/backend/MyAttributes.java Normal file
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package org.oscim.backend;
import org.xml.sax.Attributes;
import com.google.gwt.xml.client.NamedNodeMap;
import com.google.gwt.xml.client.Node;
public class MyAttributes implements Attributes{
private NamedNodeMap map;
public MyAttributes(Node n){
map = n.getAttributes();
}
public String getValue(int i) {
return map.item(i).getNodeValue();
}
public int getLength() {
return map.getLength();
}
public String getLocalName(int i) {
return map.item(i).getNodeName();
}
public String getValue(String string) {
Node n = map.getNamedItem(string);
if (n == null)
return null;
return n.getNodeValue();
}
@Override
public String getURI(int paramInt) {
Log.d("..", "missing");
return null;
}
@Override
public String getQName(int paramInt) {
Log.d("..", "missing");
return null;
}
@Override
public String getType(int paramInt) {
Log.d("..", "missing");
return null;
}
@Override
public int getIndex(String paramString1, String paramString2) {
Log.d("..", "missing");
return 0;
}
@Override
public int getIndex(String paramString) {
Log.d("..", "missing");
return 0;
}
@Override
public String getType(String paramString1, String paramString2) {
Log.d("..", "missing");
return null;
}
@Override
public String getType(String paramString) {
Log.d("..", "missing");
return null;
}
@Override
public String getValue(String paramString1, String paramString2) {
Log.d("..", "missing");
return null;
}
}

67
vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/backend/MyXMLReader.java Normal file
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package org.oscim.backend;
import java.io.IOException;
import java.io.InputStream;
import org.oscim.backend.Log;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import com.google.gwt.xml.client.Document;
import com.google.gwt.xml.client.Node;
import com.google.gwt.xml.client.NodeList;
import com.google.gwt.xml.client.XMLParser;
public class MyXMLReader {
public void parse(InputStream is) throws SAXException {
Log.d("..", "read theme");
StringBuilder sb = new StringBuilder();
byte[] buf = new byte[8192];
int read;
try {
while ((read = is.read(buf)) >= 0) {
if (read > 0)
sb.append(new String(buf, 0, read));
}
} catch (IOException e) {
e.printStackTrace();
}
Document d = XMLParser.parse(sb.toString());
handleElement(d.getFirstChild());
mHandler.endDocument();
}
int level = 0;
void handleElement(Node n) throws SAXException {
if (n == null) {
//Log.d("..", "null element");
return;
}
//Log.d("..", "handle element " + n.getNodeName());
if (n.getNodeType() == Node.ELEMENT_NODE) {
String localName = n.getNodeName();
mHandler.startElement(null, localName, null, new MyAttributes(n));
if (n.hasChildNodes()) {
NodeList l = n.getChildNodes();
for (int i = 0, len = l.getLength(); i < len; i++) {
//Log.d("..", "get child " + i + "/" + len);
handleElement(l.item(i));
}
}
mHandler.endElement(null, localName, null);
}
}
private DefaultHandler mHandler;
public void setContentHandler(DefaultHandler handler) {
mHandler = handler;
}
}

16
vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/backend/XMLReaderAdapter.java Normal file
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package org.oscim.backend;
import java.io.IOException;
import java.io.InputStream;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
public class XMLReaderAdapter {
public void parse(DefaultHandler handler, InputStream is) throws IOException, SAXException {
MyXMLReader xmlReader = new MyXMLReader();
xmlReader.setContentHandler(handler);
xmlReader.parse(is);
}
}

28
vtm-gdx-html/src/org/oscim/gdx/emu/org/xml/sax/Attributes.java Normal file
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package org.xml.sax;
public abstract interface Attributes {
public abstract int getLength();
public abstract String getURI(int paramInt);
public abstract String getLocalName(int paramInt);
public abstract String getQName(int paramInt);
public abstract String getType(int paramInt);
public abstract String getValue(int paramInt);
public abstract int getIndex(String paramString1, String paramString2);
public abstract int getIndex(String paramString);
public abstract String getType(String paramString1, String paramString2);
public abstract String getType(String paramString);
public abstract String getValue(String paramString1, String paramString2);
public abstract String getValue(String paramString);
}

19
vtm-gdx-html/src/org/oscim/gdx/emu/org/xml/sax/SAXException.java Normal file
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package org.xml.sax;
import java.io.IOException;
public class SAXException extends IOException {
/**
*
*/
private static final long serialVersionUID = 1L;
public SAXException(String str) {
super(str);
}
public SAXException(String str, Throwable throwable)
{
super(str);
}
}

18
vtm-gdx-html/src/org/oscim/gdx/emu/org/xml/sax/SAXParseException.java Normal file
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package org.xml.sax;
public class SAXParseException extends SAXException {
/**
*
*/
private static final long serialVersionUID = 1L;
public SAXParseException(String str) {
super(str);
}
public SAXParseException(String str, Throwable throwable)
{
super(str);
}
}

29
vtm-gdx-html/src/org/oscim/gdx/emu/org/xml/sax/helpers/DefaultHandler.java Normal file
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package org.xml.sax.helpers;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
public class DefaultHandler {
public void endDocument() {
}
public void error(SAXParseException exception) {
}
public void warning(SAXParseException exception) {
}
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
}
public void endElement(String uri, String localName, String qName) {
}
}