org.holoeverywhere.util.XmlUtils Maven / Gradle / Ivy
package org.holoeverywhere.util;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import android.util.Xml;
@SuppressWarnings({
"rawtypes", "unchecked"
})
public class XmlUtils {
public static final void beginDocument(XmlPullParser parser,
String firstElementName) throws XmlPullParserException, IOException {
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
;
}
if (type != XmlPullParser.START_TAG) {
throw new XmlPullParserException("No start tag found");
}
if (!parser.getName().equals(firstElementName)) {
throw new XmlPullParserException("Unexpected start tag: found "
+ parser.getName() + ", expected " + firstElementName);
}
}
public static final boolean convertValueToBoolean(CharSequence value,
boolean defaultValue) {
boolean result = false;
if (null == value) {
return defaultValue;
}
if (value.equals("1") || value.equals("true") || value.equals("TRUE")) {
result = true;
}
return result;
}
public static final int convertValueToInt(CharSequence charSeq,
int defaultValue) {
if (null == charSeq) {
return defaultValue;
}
String nm = charSeq.toString();
int sign = 1;
int index = 0;
int len = nm.length();
int base = 10;
if ('-' == nm.charAt(0)) {
sign = -1;
index++;
}
if ('0' == nm.charAt(index)) {
// Quick check for a zero by itself
if (index == len - 1) {
return 0;
}
char c = nm.charAt(index + 1);
if ('x' == c || 'X' == c) {
index += 2;
base = 16;
} else {
index++;
base = 8;
}
} else if ('#' == nm.charAt(index)) {
index++;
base = 16;
}
return Integer.parseInt(nm.substring(index), base) * sign;
}
public static final int convertValueToList(CharSequence value,
String[] options, int defaultValue) {
if (null != value) {
for (int i = 0; i < options.length; i++) {
if (value.equals(options[i])) {
return i;
}
}
}
return defaultValue;
}
public static final int convertValueToUnsignedInt(String value,
int defaultValue) {
if (null == value) {
return defaultValue;
}
return XmlUtils.parseUnsignedIntAttribute(value);
}
public static final void nextElement(XmlPullParser parser)
throws XmlPullParserException, IOException {
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
;
}
}
public static boolean nextElementWithin(XmlPullParser parser, int outerDepth)
throws IOException, XmlPullParserException {
for (;;) {
int type = parser.next();
if (type == XmlPullParser.END_DOCUMENT
|| type == XmlPullParser.END_TAG
&& parser.getDepth() == outerDepth) {
return false;
}
if (type == XmlPullParser.START_TAG
&& parser.getDepth() == outerDepth + 1) {
return true;
}
}
}
public static final int parseUnsignedIntAttribute(CharSequence charSeq) {
String value = charSeq.toString();
int index = 0;
int len = value.length();
int base = 10;
if ('0' == value.charAt(index)) {
// Quick check for zero by itself
if (index == len - 1) {
return 0;
}
char c = value.charAt(index + 1);
if ('x' == c || 'X' == c) { // check for hex
index += 2;
base = 16;
} else { // check for octal
index++;
base = 8;
}
} else if ('#' == value.charAt(index)) {
index++;
base = 16;
}
return (int) Long.parseLong(value.substring(index), base);
}
public static final ArrayList readListXml(InputStream in)
throws XmlPullParserException, java.io.IOException {
XmlPullParser parser = Xml.newPullParser();
parser.setInput(in, null);
return (ArrayList) XmlUtils.readValueXml(parser, new String[1]);
}
public static final HashMap readMapXml(InputStream in)
throws XmlPullParserException, java.io.IOException {
XmlPullParser parser = Xml.newPullParser();
parser.setInput(in, null);
return (HashMap) XmlUtils.readValueXml(parser, new String[1]);
}
public static final HashSet readSetXml(InputStream in)
throws XmlPullParserException, java.io.IOException {
XmlPullParser parser = Xml.newPullParser();
parser.setInput(in, null);
return (HashSet) XmlUtils.readValueXml(parser, new String[1]);
}
public static final int[] readThisIntArrayXml(XmlPullParser parser,
String endTag, String[] name) throws XmlPullParserException,
java.io.IOException {
int num;
try {
num = Integer.parseInt(parser.getAttributeValue(null, "num"));
} catch (NullPointerException e) {
throw new XmlPullParserException("Need num attribute in byte-array");
} catch (NumberFormatException e) {
throw new XmlPullParserException(
"Not a number in num attribute in byte-array");
}
int[] array = new int[num];
int i = 0;
int eventType = parser.getEventType();
do {
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("item")) {
try {
array[i] = Integer.parseInt(parser.getAttributeValue(
null, "value"));
} catch (NullPointerException e) {
throw new XmlPullParserException(
"Need value attribute in item");
} catch (NumberFormatException e) {
throw new XmlPullParserException(
"Not a number in value attribute in item");
}
} else {
throw new XmlPullParserException("Expected item tag at: "
+ parser.getName());
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(endTag)) {
return array;
} else if (parser.getName().equals("item")) {
i++;
} else {
throw new XmlPullParserException("Expected " + endTag
+ " end tag at: " + parser.getName());
}
}
eventType = parser.next();
} while (eventType != XmlPullParser.END_DOCUMENT);
throw new XmlPullParserException("Document ended before " + endTag
+ " end tag");
}
public static final ArrayList readThisListXml(XmlPullParser parser,
String endTag, String[] name) throws XmlPullParserException,
java.io.IOException {
ArrayList list = new ArrayList();
int eventType = parser.getEventType();
do {
if (eventType == XmlPullParser.START_TAG) {
Object val = XmlUtils.readThisValueXml(parser, name);
list.add(val);
// System.out.println("Adding to list: " + val);
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(endTag)) {
return list;
}
throw new XmlPullParserException("Expected " + endTag
+ " end tag at: " + parser.getName());
}
eventType = parser.next();
} while (eventType != XmlPullParser.END_DOCUMENT);
throw new XmlPullParserException("Document ended before " + endTag
+ " end tag");
}
public static final HashMap readThisMapXml(XmlPullParser parser,
String endTag, String[] name) throws XmlPullParserException,
java.io.IOException {
HashMap map = new HashMap();
int eventType = parser.getEventType();
do {
if (eventType == XmlPullParser.START_TAG) {
Object val = XmlUtils.readThisValueXml(parser, name);
if (name[0] != null) {
map.put(name[0], val);
} else {
throw new XmlPullParserException(
"Map value without name attribute: "
+ parser.getName());
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(endTag)) {
return map;
}
throw new XmlPullParserException("Expected " + endTag
+ " end tag at: " + parser.getName());
}
eventType = parser.next();
} while (eventType != XmlPullParser.END_DOCUMENT);
throw new XmlPullParserException("Document ended before " + endTag
+ " end tag");
}
public static final HashSet readThisSetXml(XmlPullParser parser,
String endTag, String[] name) throws XmlPullParserException,
java.io.IOException {
HashSet set = new HashSet();
int eventType = parser.getEventType();
do {
if (eventType == XmlPullParser.START_TAG) {
Object val = XmlUtils.readThisValueXml(parser, name);
set.add(val);
// System.out.println("Adding to set: " + val);
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(endTag)) {
return set;
}
throw new XmlPullParserException("Expected " + endTag
+ " end tag at: " + parser.getName());
}
eventType = parser.next();
} while (eventType != XmlPullParser.END_DOCUMENT);
throw new XmlPullParserException("Document ended before " + endTag
+ " end tag");
}
private static final Object readThisValueXml(XmlPullParser parser,
String[] name) throws XmlPullParserException, java.io.IOException {
final String valueName = parser.getAttributeValue(null, "name");
final String tagName = parser.getName();
Object res;
if (tagName.equals("null")) {
res = null;
} else if (tagName.equals("string")) {
String value = "";
int eventType;
while ((eventType = parser.next()) != XmlPullParser.END_DOCUMENT) {
if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("string")) {
name[0] = valueName;
// System.out.println("Returning value for " + valueName
// + ": " + value);
return value;
}
throw new XmlPullParserException(
"Unexpected end tag in : "
+ parser.getName());
} else if (eventType == XmlPullParser.TEXT) {
value += parser.getText();
} else if (eventType == XmlPullParser.START_TAG) {
throw new XmlPullParserException(
"Unexpected start tag in : "
+ parser.getName());
}
}
throw new XmlPullParserException(
"Unexpected end of document in ");
} else if (tagName.equals("int")) {
res = Integer.parseInt(parser.getAttributeValue(null, "value"));
} else if (tagName.equals("long")) {
res = Long.valueOf(parser.getAttributeValue(null, "value"));
} else if (tagName.equals("float")) {
res = Float.valueOf(parser.getAttributeValue(null, "value"));
} else if (tagName.equals("double")) {
res = Double.valueOf(parser.getAttributeValue(null, "value"));
} else if (tagName.equals("boolean")) {
res = Boolean.valueOf(parser.getAttributeValue(null, "value"));
} else if (tagName.equals("int-array")) {
parser.next();
res = XmlUtils.readThisIntArrayXml(parser, "int-array", name);
name[0] = valueName;
return res;
} else if (tagName.equals("map")) {
parser.next();
res = XmlUtils.readThisMapXml(parser, "map", name);
name[0] = valueName;
return res;
} else if (tagName.equals("list")) {
parser.next();
res = XmlUtils.readThisListXml(parser, "list", name);
name[0] = valueName;
return res;
} else if (tagName.equals("set")) {
parser.next();
res = XmlUtils.readThisSetXml(parser, "set", name);
name[0] = valueName;
return res;
} else {
throw new XmlPullParserException("Unknown tag: " + tagName);
}
int eventType;
while ((eventType = parser.next()) != XmlPullParser.END_DOCUMENT) {
if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(tagName)) {
name[0] = valueName;
return res;
}
throw new XmlPullParserException("Unexpected end tag in <"
+ tagName + ">: " + parser.getName());
} else if (eventType == XmlPullParser.TEXT) {
throw new XmlPullParserException("Unexpected text in <"
+ tagName + ">: " + parser.getName());
} else if (eventType == XmlPullParser.START_TAG) {
throw new XmlPullParserException("Unexpected start tag in <"
+ tagName + ">: " + parser.getName());
}
}
throw new XmlPullParserException("Unexpected end of document in <"
+ tagName + ">");
}
public static final Object readValueXml(XmlPullParser parser, String[] name)
throws XmlPullParserException, java.io.IOException {
int eventType = parser.getEventType();
do {
if (eventType == XmlPullParser.START_TAG) {
return XmlUtils.readThisValueXml(parser, name);
} else if (eventType == XmlPullParser.END_TAG) {
throw new XmlPullParserException("Unexpected end tag at: "
+ parser.getName());
} else if (eventType == XmlPullParser.TEXT) {
throw new XmlPullParserException("Unexpected text: "
+ parser.getText());
}
eventType = parser.next();
} while (eventType != XmlPullParser.END_DOCUMENT);
throw new XmlPullParserException("Unexpected end of document");
}
public static void skipCurrentTag(XmlPullParser parser)
throws XmlPullParserException, IOException {
int outerDepth = parser.getDepth();
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
}
}
public static final void writeByteArrayXml(byte[] val, String name,
XmlSerializer out) throws XmlPullParserException,
java.io.IOException {
if (val == null) {
out.startTag(null, "null");
out.endTag(null, "null");
return;
}
out.startTag(null, "byte-array");
if (name != null) {
out.attribute(null, "name", name);
}
final int N = val.length;
out.attribute(null, "num", Integer.toString(N));
StringBuilder sb = new StringBuilder(val.length * 2);
for (int i = 0; i < N; i++) {
int b = val[i];
int h = b >> 4;
sb.append(h >= 10 ? 'a' + h - 10 : '0' + h);
h = b & 0xff;
sb.append(h >= 10 ? 'a' + h - 10 : '0' + h);
}
out.text(sb.toString());
out.endTag(null, "byte-array");
}
public static final void writeIntArrayXml(int[] val, String name,
XmlSerializer out) throws XmlPullParserException,
java.io.IOException {
if (val == null) {
out.startTag(null, "null");
out.endTag(null, "null");
return;
}
out.startTag(null, "int-array");
if (name != null) {
out.attribute(null, "name", name);
}
final int N = val.length;
out.attribute(null, "num", Integer.toString(N));
for (int i = 0; i < N; i++) {
out.startTag(null, "item");
out.attribute(null, "value", Integer.toString(val[i]));
out.endTag(null, "item");
}
out.endTag(null, "int-array");
}
public static final void writeListXml(List val, OutputStream out)
throws XmlPullParserException, java.io.IOException {
XmlSerializer serializer = Xml.newSerializer();
serializer.setOutput(out, "utf-8");
serializer.startDocument(null, true);
serializer.setFeature(
"http://xmlpull.org/v1/doc/features.html#indent-output", true);
XmlUtils.writeListXml(val, null, serializer);
serializer.endDocument();
}
public static final void writeListXml(List val, String name,
XmlSerializer out) throws XmlPullParserException,
java.io.IOException {
if (val == null) {
out.startTag(null, "null");
out.endTag(null, "null");
return;
}
out.startTag(null, "list");
if (name != null) {
out.attribute(null, "name", name);
}
int N = val.size();
int i = 0;
while (i < N) {
XmlUtils.writeValueXml(val.get(i), null, out);
i++;
}
out.endTag(null, "list");
}
public static final void writeMapXml(Map val, OutputStream out)
throws XmlPullParserException, java.io.IOException {
XmlSerializer serializer = new FastXmlSerializer();
serializer.setOutput(out, "utf-8");
serializer.startDocument(null, true);
serializer.setFeature(
"http://xmlpull.org/v1/doc/features.html#indent-output", true);
XmlUtils.writeMapXml(val, null, serializer);
serializer.endDocument();
}
public static final void writeMapXml(Map val, String name, XmlSerializer out)
throws XmlPullParserException, java.io.IOException {
if (val == null) {
out.startTag(null, "null");
out.endTag(null, "null");
return;
}
Set s = val.entrySet();
Iterator i = s.iterator();
out.startTag(null, "map");
if (name != null) {
out.attribute(null, "name", name);
}
while (i.hasNext()) {
Map.Entry e = (Map.Entry) i.next();
XmlUtils.writeValueXml(e.getValue(), (String) e.getKey(), out);
}
out.endTag(null, "map");
}
public static final void writeSetXml(Set val, String name, XmlSerializer out)
throws XmlPullParserException, java.io.IOException {
if (val == null) {
out.startTag(null, "null");
out.endTag(null, "null");
return;
}
out.startTag(null, "set");
if (name != null) {
out.attribute(null, "name", name);
}
for (Object v : val) {
XmlUtils.writeValueXml(v, null, out);
}
out.endTag(null, "set");
}
public static final void writeValueXml(Object v, String name,
XmlSerializer out) throws XmlPullParserException,
java.io.IOException {
String typeStr;
if (v == null) {
out.startTag(null, "null");
if (name != null) {
out.attribute(null, "name", name);
}
out.endTag(null, "null");
return;
} else if (v instanceof String) {
out.startTag(null, "string");
if (name != null) {
out.attribute(null, "name", name);
}
out.text(v.toString());
out.endTag(null, "string");
return;
} else if (v instanceof Integer) {
typeStr = "int";
} else if (v instanceof Long) {
typeStr = "long";
} else if (v instanceof Float) {
typeStr = "float";
} else if (v instanceof Double) {
typeStr = "double";
} else if (v instanceof Boolean) {
typeStr = "boolean";
} else if (v instanceof byte[]) {
XmlUtils.writeByteArrayXml((byte[]) v, name, out);
return;
} else if (v instanceof int[]) {
XmlUtils.writeIntArrayXml((int[]) v, name, out);
return;
} else if (v instanceof Map) {
XmlUtils.writeMapXml((Map) v, name, out);
return;
} else if (v instanceof List) {
XmlUtils.writeListXml((List) v, name, out);
return;
} else if (v instanceof Set) {
XmlUtils.writeSetXml((Set) v, name, out);
return;
} else if (v instanceof CharSequence) {
out.startTag(null, "string");
if (name != null) {
out.attribute(null, "name", name);
}
out.text(v.toString());
out.endTag(null, "string");
return;
} else {
throw new RuntimeException("writeValueXml: unable to write value "
+ v);
}
out.startTag(null, typeStr);
if (name != null) {
out.attribute(null, "name", name);
}
out.attribute(null, "value", v.toString());
out.endTag(null, typeStr);
}
}
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