Mega Code Archive
Debugging utilities for XmlStreamReader
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/* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Revised from xml beans
import javax.xml.stream.XMLStreamReader;
/**
* debugging utilities for XmlStreamReader
*/
public final class XmlStreamUtils {
public static String printEvent(XMLStreamReader xmlr) {
StringBuffer b = new StringBuffer();
b.append("EVENT:[" + xmlr.getLocation().getLineNumber() + "]["
+ xmlr.getLocation().getColumnNumber() + "] ");
b.append(getName(xmlr.getEventType()));
b.append(" [");
switch (xmlr.getEventType()) {
case XMLStreamReader.START_ELEMENT:
b.append("<");
printName(xmlr, b);
for (int i = 0; i < xmlr.getNamespaceCount(); i++) {
b.append(" ");
String n = xmlr.getNamespacePrefix(i);
if ("xmlns".equals(n)) {
b.append("xmlns=\"" + xmlr.getNamespaceURI(i) + "\"");
} else {
b.append("xmlns:" + n);
b.append("=\"");
b.append(xmlr.getNamespaceURI(i));
b.append("\"");
}
}
for (int i = 0; i < xmlr.getAttributeCount(); i++) {
b.append(" ");
printName(xmlr.getAttributePrefix(i), xmlr.getAttributeNamespace(i), xmlr
.getAttributeLocalName(i), b);
b.append("=\"");
b.append(xmlr.getAttributeValue(i));
b.append("\"");
}
b.append(">");
break;
case XMLStreamReader.END_ELEMENT:
b.append("</");
printName(xmlr, b);
for (int i = 0; i < xmlr.getNamespaceCount(); i++) {
b.append(" ");
String n = xmlr.getNamespacePrefix(i);
if ("xmlns".equals(n)) {
b.append("xmlns=\"" + xmlr.getNamespaceURI(i) + "\"");
} else {
b.append("xmlns:" + n);
b.append("=\"");
b.append(xmlr.getNamespaceURI(i));
b.append("\"");
}
}
b.append(">");
break;
case XMLStreamReader.SPACE:
case XMLStreamReader.CHARACTERS:
// b.append(xmlr.getText());
int start = xmlr.getTextStart();
int length = xmlr.getTextLength();
b.append(new String(xmlr.getTextCharacters(), start, length));
break;
case XMLStreamReader.PROCESSING_INSTRUCTION:
String target = xmlr.getPITarget();
if (target == null)
target = "";
String data = xmlr.getPIData();
if (data == null)
data = "";
b.append("<?");
b.append(target + " " + data);
b.append("?>");
break;
case XMLStreamReader.CDATA:
b.append("<![CDATA[");
if (xmlr.hasText())
b.append(xmlr.getText());
b.append("]]>");
break;
case XMLStreamReader.COMMENT:
b.append("<!--");
if (xmlr.hasText())
b.append(xmlr.getText());
b.append("-->");
break;
case XMLStreamReader.ENTITY_REFERENCE:
b.append(xmlr.getLocalName() + "=");
if (xmlr.hasText())
b.append("[" + xmlr.getText() + "]");
break;
case XMLStreamReader.START_DOCUMENT:
b.append("<?xml");
b.append(" version='" + xmlr.getVersion() + "'");
b.append(" encoding='" + xmlr.getCharacterEncodingScheme() + "'");
if (xmlr.isStandalone())
b.append(" standalone='yes'");
else
b.append(" standalone='no'");
b.append("?>");
break;
}
b.append("]");
return b.toString();
}
private static void printName(String prefix, String uri, String localName, StringBuffer b) {
if (uri != null && !("".equals(uri)))
b.append("['" + uri + "']:");
if (prefix != null && !("".equals(prefix)))
b.append(prefix + ":");
if (localName != null)
b.append(localName);
}
private static void printName(XMLStreamReader xmlr, StringBuffer b) {
if (xmlr.hasName()) {
String prefix = xmlr.getPrefix();
String uri = xmlr.getNamespaceURI();
String localName = xmlr.getLocalName();
printName(prefix, uri, localName, b);
}
}
public static String getName(int eventType) {
switch (eventType) {
case XMLStreamReader.START_ELEMENT:
return "START_ELEMENT";
case XMLStreamReader.END_ELEMENT:
return "END_ELEMENT";
case XMLStreamReader.PROCESSING_INSTRUCTION:
return "PROCESSING_INSTRUCTION";
case XMLStreamReader.CHARACTERS:
return "CHARACTERS";
case XMLStreamReader.SPACE:
return "SPACE";
case XMLStreamReader.COMMENT:
return "COMMENT";
case XMLStreamReader.START_DOCUMENT:
return "START_DOCUMENT";
case XMLStreamReader.END_DOCUMENT:
return "END_DOCUMENT";
case XMLStreamReader.ENTITY_REFERENCE:
return "ENTITY_REFERENCE";
case XMLStreamReader.ATTRIBUTE:
return "ATTRIBUTE";
case XMLStreamReader.DTD:
return "DTD";
case XMLStreamReader.CDATA:
return "CDATA";
case XMLStreamReader.NAMESPACE:
return "NAMESPACE";
}
return "UNKNOWN_EVENT_TYPE";
}
public static int getType(String val) {
if (val.equals("START_ELEMENT"))
return XMLStreamReader.START_ELEMENT;
if (val.equals("SPACE"))
return XMLStreamReader.SPACE;
if (val.equals("END_ELEMENT"))
return XMLStreamReader.END_ELEMENT;
if (val.equals("PROCESSING_INSTRUCTION"))
return XMLStreamReader.PROCESSING_INSTRUCTION;
if (val.equals("CHARACTERS"))
return XMLStreamReader.CHARACTERS;
if (val.equals("COMMENT"))
return XMLStreamReader.COMMENT;
if (val.equals("START_DOCUMENT"))
return XMLStreamReader.START_DOCUMENT;
if (val.equals("END_DOCUMENT"))
return XMLStreamReader.END_DOCUMENT;
if (val.equals("ATTRIBUTE"))
return XMLStreamReader.ATTRIBUTE;
if (val.equals("DTD"))
return XMLStreamReader.DTD;
if (val.equals("CDATA"))
return XMLStreamReader.CDATA;
if (val.equals("NAMESPACE"))
return XMLStreamReader.NAMESPACE;
return -1;
}
}
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