org.jivesoftware.smack.xml.xpp3.Xpp3XmlPullParser Maven / Gradle / Ivy
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Smack XML parser using XPP3.
/**
*
* Copyright 2019 Florian Schmaus
*
* 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.
*/
package org.jivesoftware.smack.xml.xpp3;
import java.io.IOException;
import javax.xml.XMLConstants;
import javax.xml.namespace.QName;
import org.jivesoftware.smack.xml.XmlPullParser;
import org.jivesoftware.smack.xml.XmlPullParserException;
public final class Xpp3XmlPullParser implements XmlPullParser {
private final org.xmlpull.v1.XmlPullParser xpp3XmlPullParser;
public Xpp3XmlPullParser(org.xmlpull.v1.XmlPullParser xpp3XmlPullParser) {
this.xpp3XmlPullParser = xpp3XmlPullParser;
}
@Override
public Object getProperty(String name) {
return xpp3XmlPullParser.getProperty(name);
}
@Override
public String getInputEncoding() {
return xpp3XmlPullParser.getInputEncoding();
}
@Override
public int getNamespaceCount() throws XmlPullParserException {
int depth = xpp3XmlPullParser.getDepth();
try {
return xpp3XmlPullParser.getNamespaceCount(depth);
} catch (org.xmlpull.v1.XmlPullParserException e) {
throw new XmlPullParserException(e);
}
}
@Override
public String getNamespacePrefix(int pos) throws XmlPullParserException {
try {
return xpp3XmlPullParser.getNamespacePrefix(pos);
} catch (org.xmlpull.v1.XmlPullParserException e) {
throw new XmlPullParserException(e);
}
}
@Override
public String getNamespaceUri(int pos) throws XmlPullParserException {
try {
return xpp3XmlPullParser.getNamespaceUri(pos);
} catch (org.xmlpull.v1.XmlPullParserException e) {
throw new XmlPullParserException(e);
}
}
@Override
public String getNamespace(String prefix) {
return xpp3XmlPullParser.getNamespace(prefix);
}
@Override
public int getDepth() {
return xpp3XmlPullParser.getDepth();
}
@Override
public String getPositionDescription() {
return xpp3XmlPullParser.getPositionDescription();
}
@Override
public int getLineNumber() {
return xpp3XmlPullParser.getLineNumber();
}
@Override
public int getColumnNumber() {
return xpp3XmlPullParser.getColumnNumber();
}
@Override
public boolean isWhiteSpace() throws XmlPullParserException {
try {
return xpp3XmlPullParser.isWhitespace();
} catch (org.xmlpull.v1.XmlPullParserException e) {
throw new XmlPullParserException(e);
}
}
@Override
public String getText() {
return xpp3XmlPullParser.getText();
}
@Override
public String getNamespace() {
return xpp3XmlPullParser.getNamespace();
}
@Override
public String getName() {
return xpp3XmlPullParser.getName();
}
@Override
public QName getQName() {
String localpart = xpp3XmlPullParser.getName();
String prefix = xpp3XmlPullParser.getPrefix();
prefix = nullValueToDefaultPrefix(prefix);
String namespace = xpp3XmlPullParser.getNamespace();
return new QName(namespace, localpart, prefix);
}
@Override
public String getPrefix() {
return xpp3XmlPullParser.getPrefix();
}
@Override
public int getAttributeCount() {
return xpp3XmlPullParser.getAttributeCount();
}
@Override
public String getAttributeNamespace(int index) {
String namespace;
try {
namespace = xpp3XmlPullParser.getAttributeNamespace(index);
}
catch (IndexOutOfBoundsException e) {
return null;
}
if (XMLConstants.NULL_NS_URI.equals(namespace)) {
namespace = null;
}
return namespace;
}
@Override
public String getAttributeName(int index) {
try {
return xpp3XmlPullParser.getAttributeName(index);
}
catch (IndexOutOfBoundsException e) {
return null;
}
}
@Override
public QName getAttributeQName(int index) {
String localpart = getAttributeName(index);
if (localpart == null) {
return null;
}
String prefix = getAttributePrefix(index);
prefix = nullValueToDefaultPrefix(prefix);
String namespace = getAttributeNamespace(index);
return new QName(namespace, localpart, prefix);
}
@Override
public String getAttributePrefix(int index) {
String prefix;
try {
prefix = xpp3XmlPullParser.getAttributePrefix(index);
}
catch (IndexOutOfBoundsException e) {
return null;
}
prefix = nullValueToDefaultPrefix(prefix);
return prefix;
}
@Override
public String getAttributeType(int index) {
try {
return xpp3XmlPullParser.getAttributeType(index);
}
catch (IndexOutOfBoundsException e) {
return null;
}
}
@Override
public String getAttributeValue(int index) {
return xpp3XmlPullParser.getAttributeValue(index);
}
@Override
public String getAttributeValue(String namespace, String name) {
return xpp3XmlPullParser.getAttributeValue(namespace, name);
}
@Override
public Event getEventType() throws XmlPullParserException {
int xpp3EventInt;
try {
xpp3EventInt = xpp3XmlPullParser.getEventType();
} catch (org.xmlpull.v1.XmlPullParserException e) {
throw new XmlPullParserException(e);
}
return xpp3EventIntegerToEvent(xpp3EventInt);
}
@Override
public Event next() throws IOException, XmlPullParserException {
int xpp3EventInt;
try {
xpp3EventInt = xpp3XmlPullParser.next();
} catch (org.xmlpull.v1.XmlPullParserException e) {
throw new XmlPullParserException(e);
}
return xpp3EventIntegerToEvent(xpp3EventInt);
}
@Override
public String nextText() throws IOException, XmlPullParserException {
try {
return xpp3XmlPullParser.nextText();
} catch (org.xmlpull.v1.XmlPullParserException e) {
throw new XmlPullParserException(e);
}
}
@Override
public TagEvent nextTag() throws IOException, XmlPullParserException {
int xpp3EventInt;
try {
xpp3EventInt = xpp3XmlPullParser.nextTag();
} catch (org.xmlpull.v1.XmlPullParserException e) {
throw new XmlPullParserException(e);
}
switch (xpp3EventInt) {
case org.xmlpull.v1.XmlPullParser.START_TAG:
return TagEvent.START_ELEMENT;
case org.xmlpull.v1.XmlPullParser.END_TAG:
return TagEvent.END_ELEMENT;
default:
throw new AssertionError();
}
}
@Override
public boolean supportsRoundtrip() {
return xpp3XmlPullParser.getFeature(Xpp3XmlPullParserFactory.FEATURE_XML_ROUNDTRIP);
}
private static Event xpp3EventIntegerToEvent(int xpp3EventInt) {
switch (xpp3EventInt) {
case org.xmlpull.v1.XmlPullParser.START_DOCUMENT:
return Event.START_DOCUMENT;
case org.xmlpull.v1.XmlPullParser.END_DOCUMENT:
return Event.END_DOCUMENT;
case org.xmlpull.v1.XmlPullParser.START_TAG:
return Event.START_ELEMENT;
case org.xmlpull.v1.XmlPullParser.END_TAG:
return Event.END_ELEMENT;
case org.xmlpull.v1.XmlPullParser.TEXT:
return Event.TEXT_CHARACTERS;
case org.xmlpull.v1.XmlPullParser.CDSECT:
return Event.OTHER;
case org.xmlpull.v1.XmlPullParser.ENTITY_REF:
return Event.ENTITY_REFERENCE;
case org.xmlpull.v1.XmlPullParser.IGNORABLE_WHITESPACE:
return Event.IGNORABLE_WHITESPACE;
case org.xmlpull.v1.XmlPullParser.PROCESSING_INSTRUCTION:
return Event.PROCESSING_INSTRUCTION;
case org.xmlpull.v1.XmlPullParser.COMMENT:
return Event.COMMENT;
case org.xmlpull.v1.XmlPullParser.DOCDECL:
return Event.OTHER;
default:
throw new IllegalArgumentException("Unknown XPP3 event integer: " + xpp3EventInt);
}
}
private static String nullValueToDefaultPrefix(String prefix) {
if (prefix != null) {
return prefix;
}
return XMLConstants.DEFAULT_NS_PREFIX;
}
}