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org.hl7.fhir.utilities.xml.XMLUtil Maven / Gradle / Ivy
package org.hl7.fhir.utilities.xml;
/*
Copyright (c) 2011+, HL7, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of HL7 nor the names of its contributors may be used to
endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.utilities.Utilities;
import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSSerializer;
import org.xml.sax.SAXException;
public class XMLUtil {
public static final String SPACE_CHAR = "\u00A0";
public static boolean isNMToken(String name) {
if (name == null)
return false;
for (int i = 0; i < name.length(); i++)
if (!isNMTokenChar(name.charAt(i)))
return false;
return name.length() > 0;
}
public static boolean isNMTokenChar(char c) {
return isLetter(c) || isDigit(c) || c == '.' || c == '-' || c == '_' || c == ':' || isCombiningChar(c) || isExtender(c);
}
private static boolean isDigit(char c) {
return (c >= '\u0030' && c <= '\u0039') || (c >= '\u0660' && c <= '\u0669') || (c >= '\u06F0' && c <= '\u06F9') ||
(c >= '\u0966' && c <= '\u096F') || (c >= '\u09E6' && c <= '\u09EF') || (c >= '\u0A66' && c <= '\u0A6F') ||
(c >= '\u0AE6' && c <= '\u0AEF') || (c >= '\u0B66' && c <= '\u0B6F') || (c >= '\u0BE7' && c <= '\u0BEF') ||
(c >= '\u0C66' && c <= '\u0C6F') || (c >= '\u0CE6' && c <= '\u0CEF') || (c >= '\u0D66' && c <= '\u0D6F') ||
(c >= '\u0E50' && c <= '\u0E59') || (c >= '\u0ED0' && c <= '\u0ED9') || (c >= '\u0F20' && c <= '\u0F29');
}
private static boolean isCombiningChar(char c) {
return (c >= '\u0300' && c <= '\u0345') || (c >= '\u0360' && c <= '\u0361') || (c >= '\u0483' && c <= '\u0486') ||
(c >= '\u0591' && c <= '\u05A1') || (c >= '\u05A3' && c <= '\u05B9') || (c >= '\u05BB' && c <= '\u05BD') ||
c == '\u05BF' || (c >= '\u05C1' && c <= '\u05C2') || c == '\u05C4' || (c >= '\u064B' && c <= '\u0652') ||
c == '\u0670' || (c >= '\u06D6' && c <= '\u06DC') || (c >= '\u06DD' && c <= '\u06DF') || (c >= '\u06E0' && c <= '\u06E4') ||
(c >= '\u06E7' && c <= '\u06E8') || (c >= '\u06EA' && c <= '\u06ED') || (c >= '\u0901' && c <= '\u0903') || c == '\u093C' ||
(c >= '\u093E' && c <= '\u094C') || c == '\u094D' || (c >= '\u0951' && c <= '\u0954') || (c >= '\u0962' && c <= '\u0963') ||
(c >= '\u0981' && c <= '\u0983') || c == '\u09BC' || c == '\u09BE' || c == '\u09BF' || (c >= '\u09C0' && c <= '\u09C4') ||
(c >= '\u09C7' && c <= '\u09C8') || (c >= '\u09CB' && c <= '\u09CD') || c == '\u09D7' || (c >= '\u09E2' && c <= '\u09E3') ||
c == '\u0A02' || c == '\u0A3C' || c == '\u0A3E' || c == '\u0A3F' || (c >= '\u0A40' && c <= '\u0A42') ||
(c >= '\u0A47' && c <= '\u0A48') || (c >= '\u0A4B' && c <= '\u0A4D') || (c >= '\u0A70' && c <= '\u0A71') ||
(c >= '\u0A81' && c <= '\u0A83') || c == '\u0ABC' || (c >= '\u0ABE' && c <= '\u0AC5') || (c >= '\u0AC7' && c <= '\u0AC9') ||
(c >= '\u0ACB' && c <= '\u0ACD') || (c >= '\u0B01' && c <= '\u0B03') || c == '\u0B3C' || (c >= '\u0B3E' && c <= '\u0B43') ||
(c >= '\u0B47' && c <= '\u0B48') || (c >= '\u0B4B' && c <= '\u0B4D') || (c >= '\u0B56' && c <= '\u0B57') ||
(c >= '\u0B82' && c <= '\u0B83') || (c >= '\u0BBE' && c <= '\u0BC2') || (c >= '\u0BC6' && c <= '\u0BC8') ||
(c >= '\u0BCA' && c <= '\u0BCD') || c == '\u0BD7' || (c >= '\u0C01' && c <= '\u0C03') || (c >= '\u0C3E' && c <= '\u0C44') ||
(c >= '\u0C46' && c <= '\u0C48') || (c >= '\u0C4A' && c <= '\u0C4D') || (c >= '\u0C55' && c <= '\u0C56') ||
(c >= '\u0C82' && c <= '\u0C83') || (c >= '\u0CBE' && c <= '\u0CC4') || (c >= '\u0CC6' && c <= '\u0CC8') ||
(c >= '\u0CCA' && c <= '\u0CCD') || (c >= '\u0CD5' && c <= '\u0CD6') || (c >= '\u0D02' && c <= '\u0D03') ||
(c >= '\u0D3E' && c <= '\u0D43') || (c >= '\u0D46' && c <= '\u0D48') || (c >= '\u0D4A' && c <= '\u0D4D') || c == '\u0D57' ||
c == '\u0E31' || (c >= '\u0E34' && c <= '\u0E3A') || (c >= '\u0E47' && c <= '\u0E4E') || c == '\u0EB1' ||
(c >= '\u0EB4' && c <= '\u0EB9') || (c >= '\u0EBB' && c <= '\u0EBC') || (c >= '\u0EC8' && c <= '\u0ECD') ||
(c >= '\u0F18' && c <= '\u0F19') || c == '\u0F35' || c == '\u0F37' || c == '\u0F39' || c == '\u0F3E' || c == '\u0F3F' ||
(c >= '\u0F71' && c <= '\u0F84') || (c >= '\u0F86' && c <= '\u0F8B') || (c >= '\u0F90' && c <= '\u0F95') || c == '\u0F97' ||
(c >= '\u0F99' && c <= '\u0FAD') || (c >= '\u0FB1' && c <= '\u0FB7') || c == '\u0FB9' || (c >= '\u20D0' && c <= '\u20DC') ||
c == '\u20E1' || (c >= '\u302A' && c <= '\u302F') || c == '\u3099' || c == '\u309A';
}
private static boolean isExtender(char c) {
return c == '\u00B7' || c == '\u02D0' || c == '\u02D1' || c == '\u0387' || c == '\u0640' || c == '\u0E46' ||
c == '\u0EC6' || c == '\u3005' || (c >= '\u3031' && c <= '\u3035') || (c >= '\u309D' && c <= '\u309E') ||
(c >= '\u30FC' && c <= '\u30FE');
}
private static boolean isLetter(char c) {
return isBaseChar(c) || isIdeographic(c);
}
private static boolean isBaseChar(char c) {
return (c >= '\u0041' && c <= '\u005A') || (c >= '\u0061' && c <= '\u007A') || (c >= '\u00C0' && c <= '\u00D6') ||
(c >= '\u00D8' && c <= '\u00F6') || (c >= '\u00F8' && c <= '\u00FF') || (c >= '\u0100' && c <= '\u0131') ||
(c >= '\u0134' && c <= '\u013E') || (c >= '\u0141' && c <= '\u0148') || (c >= '\u014A' && c <= '\u017E') ||
(c >= '\u0180' && c <= '\u01C3') || (c >= '\u01CD' && c <= '\u01F0') || (c >= '\u01F4' && c <= '\u01F5') ||
(c >= '\u01FA' && c <= '\u0217') || (c >= '\u0250' && c <= '\u02A8') || (c >= '\u02BB' && c <= '\u02C1') ||
c == '\u0386' || (c >= '\u0388' && c <= '\u038A') || c == '\u038C' || (c >= '\u038E' && c <= '\u03A1') ||
(c >= '\u03A3' && c <= '\u03CE') || (c >= '\u03D0' && c <= '\u03D6') || c == '\u03DA' || c == '\u03DC' || c == '\u03DE' ||
c == '\u03E0' || (c >= '\u03E2' && c <= '\u03F3') || (c >= '\u0401' && c <= '\u040C') || (c >= '\u040E' && c <= '\u044F') ||
(c >= '\u0451' && c <= '\u045C') || (c >= '\u045E' && c <= '\u0481') || (c >= '\u0490' && c <= '\u04C4') ||
(c >= '\u04C7' && c <= '\u04C8') || (c >= '\u04CB' && c <= '\u04CC') || (c >= '\u04D0' && c <= '\u04EB') ||
(c >= '\u04EE' && c <= '\u04F5') || (c >= '\u04F8' && c <= '\u04F9') || (c >= '\u0531' && c <= '\u0556') ||
c == '\u0559' || (c >= '\u0561' && c <= '\u0586') || (c >= '\u05D0' && c <= '\u05EA') || (c >= '\u05F0' && c <= '\u05F2') ||
(c >= '\u0621' && c <= '\u063A') || (c >= '\u0641' && c <= '\u064A') || (c >= '\u0671' && c <= '\u06B7') ||
(c >= '\u06BA' && c <= '\u06BE') || (c >= '\u06C0' && c <= '\u06CE') || (c >= '\u06D0' && c <= '\u06D3') ||
c == '\u06D5' || (c >= '\u06E5' && c <= '\u06E6') || (c >= '\u0905' && c <= '\u0939') || c == '\u093D' ||
(c >= '\u0958' && c <= '\u0961') || (c >= '\u0985' && c <= '\u098C') || (c >= '\u098F' && c <= '\u0990') ||
(c >= '\u0993' && c <= '\u09A8') || (c >= '\u09AA' && c <= '\u09B0') || c == '\u09B2' ||
(c >= '\u09B6' && c <= '\u09B9') || (c >= '\u09DC' && c <= '\u09DD') || (c >= '\u09DF' && c <= '\u09E1') ||
(c >= '\u09F0' && c <= '\u09F1') || (c >= '\u0A05' && c <= '\u0A0A') || (c >= '\u0A0F' && c <= '\u0A10') ||
(c >= '\u0A13' && c <= '\u0A28') || (c >= '\u0A2A' && c <= '\u0A30') || (c >= '\u0A32' && c <= '\u0A33') ||
(c >= '\u0A35' && c <= '\u0A36') || (c >= '\u0A38' && c <= '\u0A39') || (c >= '\u0A59' && c <= '\u0A5C') ||
c == '\u0A5E' || (c >= '\u0A72' && c <= '\u0A74') || (c >= '\u0A85' && c <= '\u0A8B') || c == '\u0A8D' ||
(c >= '\u0A8F' && c <= '\u0A91') || (c >= '\u0A93' && c <= '\u0AA8') || (c >= '\u0AAA' && c <= '\u0AB0') ||
(c >= '\u0AB2' && c <= '\u0AB3') || (c >= '\u0AB5' && c <= '\u0AB9') || c == '\u0ABD' || c == '\u0AE0' ||
(c >= '\u0B05' && c <= '\u0B0C') || (c >= '\u0B0F' && c <= '\u0B10') || (c >= '\u0B13' && c <= '\u0B28') ||
(c >= '\u0B2A' && c <= '\u0B30') || (c >= '\u0B32' && c <= '\u0B33') || (c >= '\u0B36' && c <= '\u0B39') ||
c == '\u0B3D' || (c >= '\u0B5C' && c <= '\u0B5D') || (c >= '\u0B5F' && c <= '\u0B61') ||
(c >= '\u0B85' && c <= '\u0B8A') || (c >= '\u0B8E' && c <= '\u0B90') || (c >= '\u0B92' && c <= '\u0B95') ||
(c >= '\u0B99' && c <= '\u0B9A') || c == '\u0B9C' || (c >= '\u0B9E' && c <= '\u0B9F') ||
(c >= '\u0BA3' && c <= '\u0BA4') || (c >= '\u0BA8' && c <= '\u0BAA') || (c >= '\u0BAE' && c <= '\u0BB5') ||
(c >= '\u0BB7' && c <= '\u0BB9') || (c >= '\u0C05' && c <= '\u0C0C') || (c >= '\u0C0E' && c <= '\u0C10') ||
(c >= '\u0C12' && c <= '\u0C28') || (c >= '\u0C2A' && c <= '\u0C33') || (c >= '\u0C35' && c <= '\u0C39') ||
(c >= '\u0C60' && c <= '\u0C61') || (c >= '\u0C85' && c <= '\u0C8C') || (c >= '\u0C8E' && c <= '\u0C90') ||
(c >= '\u0C92' && c <= '\u0CA8') || (c >= '\u0CAA' && c <= '\u0CB3') || (c >= '\u0CB5' && c <= '\u0CB9') ||
c == '\u0CDE' || (c >= '\u0CE0' && c <= '\u0CE1') || (c >= '\u0D05' && c <= '\u0D0C') ||
(c >= '\u0D0E' && c <= '\u0D10') || (c >= '\u0D12' && c <= '\u0D28') || (c >= '\u0D2A' && c <= '\u0D39') ||
(c >= '\u0D60' && c <= '\u0D61') || (c >= '\u0E01' && c <= '\u0E2E') || c == '\u0E30' ||
(c >= '\u0E32' && c <= '\u0E33') || (c >= '\u0E40' && c <= '\u0E45') || (c >= '\u0E81' && c <= '\u0E82') ||
c == '\u0E84' || (c >= '\u0E87' && c <= '\u0E88') || c == '\u0E8A' || c == '\u0E8D' || (c >= '\u0E94' && c <= '\u0E97') ||
(c >= '\u0E99' && c <= '\u0E9F') || (c >= '\u0EA1' && c <= '\u0EA3') || c == '\u0EA5' || c == '\u0EA7' ||
(c >= '\u0EAA' && c <= '\u0EAB') || (c >= '\u0EAD' && c <= '\u0EAE') || c == '\u0EB0' ||
(c >= '\u0EB2' && c <= '\u0EB3') || c == '\u0EBD' || (c >= '\u0EC0' && c <= '\u0EC4') ||
(c >= '\u0F40' && c <= '\u0F47') || (c >= '\u0F49' && c <= '\u0F69') || (c >= '\u10A0' && c <= '\u10C5') ||
(c >= '\u10D0' && c <= '\u10F6') || c == '\u1100' || (c >= '\u1102' && c <= '\u1103') ||
(c >= '\u1105' && c <= '\u1107') || c == '\u1109' || (c >= '\u110B' && c <= '\u110C') ||
(c >= '\u110E' && c <= '\u1112') || c == '\u113C' || c == '\u113E' || c == '\u1140' || c == '\u114C' ||
c == '\u114E' || c == '\u1150' || (c >= '\u1154' && c <= '\u1155') || c == '\u1159' ||
(c >= '\u115F' && c <= '\u1161') || c == '\u1163' || c == '\u1165' || c == '\u1167' || c == '\u1169' ||
(c >= '\u116D' && c <= '\u116E') || (c >= '\u1172' && c <= '\u1173') || c == '\u1175' ||
c == '\u119E' || c == '\u11A8' || c == '\u11AB' || (c >= '\u11AE' && c <= '\u11AF') ||
(c >= '\u11B7' && c <= '\u11B8') || c == '\u11BA' || (c >= '\u11BC' && c <= '\u11C2') ||
c == '\u11EB' || c == '\u11F0' || c == '\u11F9' || (c >= '\u1E00' && c <= '\u1E9B') || (c >= '\u1EA0' && c <= '\u1EF9') ||
(c >= '\u1F00' && c <= '\u1F15') || (c >= '\u1F18' && c <= '\u1F1D') || (c >= '\u1F20' && c <= '\u1F45') ||
(c >= '\u1F48' && c <= '\u1F4D') || (c >= '\u1F50' && c <= '\u1F57') || c == '\u1F59' || c == '\u1F5B' || c == '\u1F5D' ||
(c >= '\u1F5F' && c <= '\u1F7D') || (c >= '\u1F80' && c <= '\u1FB4') || (c >= '\u1FB6' && c <= '\u1FBC') ||
c == '\u1FBE' || (c >= '\u1FC2' && c <= '\u1FC4') || (c >= '\u1FC6' && c <= '\u1FCC') ||
(c >= '\u1FD0' && c <= '\u1FD3') || (c >= '\u1FD6' && c <= '\u1FDB') || (c >= '\u1FE0' && c <= '\u1FEC') ||
(c >= '\u1FF2' && c <= '\u1FF4') || (c >= '\u1FF6' && c <= '\u1FFC') || c == '\u2126' ||
(c >= '\u212A' && c <= '\u212B') || c == '\u212E' || (c >= '\u2180' && c <= '\u2182') ||
(c >= '\u3041' && c <= '\u3094') || (c >= '\u30A1' && c <= '\u30FA') || (c >= '\u3105' && c <= '\u312C') ||
(c >= '\uAC00' && c <= '\uD7A3');
}
private static boolean isIdeographic(char c) {
return (c >= '\u4E00' && c <= '\u9FA5') || c == '\u3007' || (c >= '\u3021' && c <= '\u3029');
}
public static String determineEncoding(InputStream stream) throws IOException {
stream.mark(20000);
try {
int b0 = stream.read();
int b1 = stream.read();
int b2 = stream.read();
int b3 = stream.read();
if (b0 == 0xFE && b1 == 0xFF)
return "UTF-16BE";
else if (b0 == 0xFF && b1 == 0xFE)
return "UTF-16LE";
else if (b0 == 0xEF && b1 == 0xBB && b2 == 0xBF )
return "UTF-8";
else if (b0 == 0x00 && b1 == 0x3C && b2 == 0x00 && b3 == 0x3F)
return "UTF-16BE";
else if (b0 == 0x3C && b1 == 0x00 && b2 == 0x3F && b3 == 0x00)
return "UTF-16LE";
else if (b0 == 0x3C && b1 == 0x3F && b2 == 0x78 && b3 == 0x6D) {
// UTF-8, ISO 646, ASCII, some part of ISO 8859, Shift-JIS, EUC, or any other 7-bit, 8-bit, or mixed-width encoding
// which ensures that the characters of ASCII have their normal positions, width, and values; the actual encoding
// declaration must be read to detect which of these applies, but since all of these encodings use the same bit patterns
// for the relevant ASCII characters, the encoding declaration itself may be read reliably
InputStreamReader rdr = new InputStreamReader(stream, "US-ASCII");
String hdr = readFirstLine(rdr);
return extractEncoding(hdr);
} else
return null;
} finally {
stream.reset();
}
}
private static String extractEncoding(String hdr) {
int i = hdr.indexOf("encoding=");
if (i == -1)
return null;
hdr = hdr.substring(i+9);
char sep = hdr.charAt(0);
hdr = hdr.substring(1);
i = hdr.indexOf(sep);
if (i == -1)
return null;
return hdr.substring(0, i);
}
private static String readFirstLine(InputStreamReader rdr) throws IOException {
char[] buf = new char[1];
StringBuffer bldr = new StringBuffer();
rdr.read(buf);
while (buf[0] != '>') {
bldr.append(buf[0]);
rdr.read(buf);
}
return bldr.toString();
}
public static boolean charSetImpliesAscii(String charset) {
return charset.equals("ISO-8859-1") || charset.equals("US-ASCII");
}
/**
* Converts the raw characters to XML escape characters.
*
* @param rawContent
* @param charset Null when charset is not known, so we assume it's unicode
* @param isNoLines
* @return escape string
*/
public static String escapeXML(String rawContent, String charset, boolean isNoLines) {
if (rawContent == null)
return "";
else {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < rawContent.length(); i++) {
char ch = rawContent.charAt(i);
// We don't escape ' because our code always spits out attributes surrounded by "", which means
// it's not necessary to escape ' - and it's *much* less ugly and more bandwidth-efficient when we don't.
if (ch == '&')
sb.append("&");
else if (ch == '"')
sb.append(""");
else if (ch == '<')
sb.append("<");
else if (ch == '>')
sb.append(">");
else if (ch > '~' && charset != null && charSetImpliesAscii(charset))
// TODO - why is hashcode the only way to get the unicode number for the character
// in jre 5.0?
sb.append("&#x"+Integer.toHexString(ch).toUpperCase()+";");
else if (isNoLines) {
if (ch == '\r')
sb.append("
");
else if (ch != '\n')
sb.append(ch);
}
else
sb.append(ch);
}
return sb.toString();
}
}
public static Element getFirstChild(Element e) {
if (e == null)
return null;
Node n = e.getFirstChild();
while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
n = n.getNextSibling();
return (Element) n;
}
public static Element getNamedChild(Element e, String name) {
Element c = getFirstChild(e);
while (c != null && !name.equals(c.getLocalName()) && !name.equals(c.getNodeName()))
c = getNextSibling(c);
return c;
}
public static Element getNamedChildByAttribute(Element e, String name, String nname, String nvalue) {
Element c = getFirstChild(e);
while (c != null && !((name.equals(c.getLocalName()) || name.equals(c.getNodeName())) && nvalue.equals(c.getAttribute(nname))))
c = getNextSibling(c);
return c;
}
public static Element getNextSibling(Element e) {
Node n = e.getNextSibling();
while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
n = n.getNextSibling();
return (Element) n;
}
public static void getNamedChildren(Element e, String name, List set) {
Element c = getFirstChild(e);
while (c != null) {
if (name.equals(c.getLocalName()) || name.equals(c.getNodeName()) )
set.add(c);
c = getNextSibling(c);
}
}
public static List getNamedChildren(Element e, String name) {
List res = new ArrayList();
Element c = getFirstChild(e);
while (c != null) {
if (name.equals(c.getLocalName()) || name.equals(c.getNodeName()) )
res.add(c);
c = getNextSibling(c);
}
return res;
}
public static String htmlToXmlEscapedPlainText(Element r) {
StringBuilder s = new StringBuilder();
Node n = r.getFirstChild();
boolean ws = false;
while (n != null) {
if (n.getNodeType() == Node.TEXT_NODE) {
String t = n.getTextContent().trim();
if (Utilities.noString(t))
ws = true;
else {
if (ws)
s.append(" ");
ws = false;
s.append(t);
}
}
if (n.getNodeType() == Node.ELEMENT_NODE) {
if (ws)
s.append(" ");
ws = false;
s.append(htmlToXmlEscapedPlainText((Element) n));
if (r.getNodeName().equals("br") || r.getNodeName().equals("p"))
s.append("\r\n");
}
n = n.getNextSibling();
}
return s.toString();
}
public static String htmlToXmlEscapedPlainText(String definition) throws ParserConfigurationException, SAXException, IOException {
return htmlToXmlEscapedPlainText(parseToDom(""+definition+"
").getDocumentElement());
}
public static String elementToString(Element el) {
if (el == null)
return "";
Document document = el.getOwnerDocument();
DOMImplementationLS domImplLS = (DOMImplementationLS) document
.getImplementation();
LSSerializer serializer = domImplLS.createLSSerializer();
return serializer.writeToString(el);
}
public static String getNamedChildValue(Element element, String name) {
Element e = getNamedChild(element, name);
return e == null ? null : e.getAttribute("value");
}
public static void setNamedChildValue(Element element, String name, String value) throws FHIRException {
Element e = getNamedChild(element, name);
if (e == null)
throw new FHIRException("unable to find element "+name);
e.setAttribute("value", value);
}
public static void getNamedChildrenWithWildcard(Element focus, String name, List children) {
Element c = getFirstChild(focus);
while (c != null) {
String n = c.getLocalName() != null ? c.getLocalName() : c.getNodeName();
if (name.equals(n) || (name.endsWith("[x]") && n.startsWith(name.substring(0, name.length()-3))))
children.add(c);
c = getNextSibling(c);
}
}
public static void getNamedChildrenWithTails(Element focus, String name, List children, Set typeTails) {
Element c = getFirstChild(focus);
while (c != null) {
String n = c.getLocalName() != null ? c.getLocalName() : c.getNodeName();
if (n.equals(name) || (!n.equals("responseCode") && (n.startsWith(name) && typeTails.contains(n.substring(name.length())))))
children.add(c);
c = getNextSibling(c);
}
}
public static boolean hasNamedChild(Element e, String name) {
Element c = getFirstChild(e);
while (c != null && !name.equals(c.getLocalName()) && !name.equals(c.getNodeName()))
c = getNextSibling(c);
return c != null;
}
public static Document parseToDom(String content) throws ParserConfigurationException, SAXException, IOException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(false);
DocumentBuilder builder = factory.newDocumentBuilder();
return builder.parse(new ByteArrayInputStream(content.getBytes()));
}
public static Document parseToDom(byte[] content) throws ParserConfigurationException, SAXException, IOException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(false);
DocumentBuilder builder = factory.newDocumentBuilder();
return builder.parse(new ByteArrayInputStream(content));
}
public static Document parseToDom(byte[] content, boolean ns) throws ParserConfigurationException, SAXException, IOException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(ns);
DocumentBuilder builder = factory.newDocumentBuilder();
return builder.parse(new ByteArrayInputStream(content));
}
public static Document parseFileToDom(String filename) throws ParserConfigurationException, SAXException, IOException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(false);
DocumentBuilder builder = factory.newDocumentBuilder();
FileInputStream fs = ManagedFileAccess.inStream(filename);
try {
return builder.parse(fs);
} finally {
fs.close();
}
}
public static Document parseFileToDom(String filename, boolean ns) throws ParserConfigurationException, SAXException, IOException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(ns);
DocumentBuilder builder = factory.newDocumentBuilder();
FileInputStream fs = ManagedFileAccess.inStream(filename);
try {
return builder.parse(fs);
} finally {
fs.close();
}
}
public static Element getLastChild(Element e) {
if (e == null)
return null;
Node n = e.getLastChild();
while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
n = n.getPreviousSibling();
return (Element) n;
}
public static Element getPrevSibling(Element e) {
Node n = e.getPreviousSibling();
while (n != null && n.getNodeType() != Node.ELEMENT_NODE)
n = n.getPreviousSibling();
return (Element) n;
}
public static String getNamedChildAttribute(Element element, String name, String aname) {
Element e = getNamedChild(element, name);
return e == null ? null : e.getAttribute(aname);
}
public static void writeDomToFile(Document doc, String filename) throws TransformerException, IOException {
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
DOMSource source = new DOMSource(doc);
StreamResult streamResult = new StreamResult(ManagedFileAccess.file(filename));
transformer.transform(source, streamResult);
}
public static String getXsiType(org.w3c.dom.Element element) {
Attr a = element.getAttributeNodeNS("http://www.w3.org/2001/XMLSchema-instance", "type");
return (a == null ? null : a.getTextContent());
}
public static String getDirectText(org.w3c.dom.Element node) {
Node n = node.getFirstChild();
StringBuilder b = new StringBuilder();
while (n != null) {
if (n.getNodeType() == Node.TEXT_NODE)
b.append(n.getTextContent());
n = n.getNextSibling();
}
return b.toString().trim();
}
public static void deleteByName(Element e, String name) {
List matches = getNamedChildren(e, name);
for (Element m : matches)
e.removeChild(m);
}
public static void deleteAttr(Element e, String namespaceURI, String localName) {
if (e.hasAttributeNS(namespaceURI, localName))
e.removeAttributeNS(namespaceURI, localName);
}
public static Node[] children(Element ed) {
Node[] res = new Node[ed.getChildNodes().getLength()];
for (int i = 0; i < ed.getChildNodes().getLength(); i++)
res[i] = ed.getChildNodes().item(i);
return res;
}
public static Element insertChild(Document doc, Element element, String name, String namespace, int indent) {
Node node = doc.createTextNode("\n"+Utilities.padLeft("", ' ', indent));
Element child = doc.createElementNS(namespace, name);
element.insertBefore(child, element.getFirstChild());
element.insertBefore(node, element.getFirstChild());
return child;
}
public static Element insertChild(Document doc, Element element, String name, String namespace, Node before, int indent) {
if (before == null) {
Node node = doc.createTextNode("\n"+Utilities.padLeft("", ' ', indent));
element.insertBefore(node, before);
}
Element child = doc.createElementNS(namespace, name);
element.insertBefore(child, before);
if (before != null) {
Node node = doc.createTextNode("\n"+Utilities.padLeft("", ' ', indent));
element.insertBefore(node, before);
}
return child;
}
public static void addTextTag(Document doc, Element element, String name, String namespace, String text, int indent) {
Node node = doc.createTextNode("\n"+Utilities.padLeft("", ' ', indent));
element.appendChild(node);
Element child = doc.createElementNS(namespace, name);
element.appendChild(child);
child.setAttribute("value", text);
}
public static Element addTextTag(Document doc, Element element, String name, String text, int indent) {
Node node = doc.createTextNode("\n"+Utilities.padLeft("", ' ', indent));
element.appendChild(node);
Element child = doc.createElement(name);
element.appendChild(child);
child.appendChild(doc.createTextNode(text));
return child;
}
public static void saveToFile(Element root, OutputStream stream) throws TransformerException {
Transformer transformer = TransformerFactory.newInstance().newTransformer();
Result output = new StreamResult(stream);
Source input = new DOMSource(root);
transformer.transform(input, output);
}
public static void spacer(Document doc, Element element, int indent) {
Node node = doc.createTextNode("\n"+Utilities.padLeft("", ' ', indent));
element.appendChild(node);
}
public static String getNamedChildText(Element element, String name) {
Element e = getNamedChild(element, name);
return e == null ? null : e.getTextContent();
}
public static Element getFirstChild(Element res, String... names) {
Element node = getFirstChild(res);
while (node != null && !Utilities.existsInList(node.getLocalName(), names)) {
node = getNextSibling(node);
}
return node;
}
public static Element getLastChild(Element res, String... names) {
Element result = null;
Element node = getFirstChild(res);
while (node != null) {
if (Utilities.existsInList(node.getLocalName(), names)) {
result = node;
}
node = getNextSibling(node);
}
return result;
}
public static void clearChildren(Node node) {
NodeList nodeList = node.getChildNodes();
for (int i = nodeList.getLength() - 1; i >= 0; i--) {
Node item = nodeList.item(i);
if (item.hasChildNodes()) {
clearChildren(item);
}
node.removeChild(item);
};
}
}
