feat(jdk8): move files to new folder to avoid resources compiled.
This commit is contained in:
238
jdkSrc/jdk8/jdk/internal/util/xml/PropertiesDefaultHandler.java
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238
jdkSrc/jdk8/jdk/internal/util/xml/PropertiesDefaultHandler.java
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/*
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* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.internal.util.xml;
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import java.io.*;
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import java.util.InvalidPropertiesFormatException;
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import java.util.Map.Entry;
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import java.util.Properties;
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import jdk.internal.org.xml.sax.Attributes;
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import jdk.internal.org.xml.sax.InputSource;
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import jdk.internal.org.xml.sax.SAXException;
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import jdk.internal.org.xml.sax.SAXParseException;
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import jdk.internal.org.xml.sax.helpers.DefaultHandler;
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import jdk.internal.util.xml.impl.SAXParserImpl;
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import jdk.internal.util.xml.impl.XMLStreamWriterImpl;
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/**
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* A class used to aid in Properties load and save in XML. This class is
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* re-implemented using a subset of SAX
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*
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* @author Joe Wang
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* @since 8
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*/
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public class PropertiesDefaultHandler extends DefaultHandler {
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// Elements specified in the properties.dtd
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private static final String ELEMENT_ROOT = "properties";
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private static final String ELEMENT_COMMENT = "comment";
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private static final String ELEMENT_ENTRY = "entry";
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private static final String ATTR_KEY = "key";
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// The required DTD URI for exported properties
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private static final String PROPS_DTD_DECL =
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"<!DOCTYPE properties SYSTEM \"http://java.sun.com/dtd/properties.dtd\">";
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private static final String PROPS_DTD_URI =
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"http://java.sun.com/dtd/properties.dtd";
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private static final String PROPS_DTD =
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
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+ "<!-- DTD for properties -->"
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+ "<!ELEMENT properties ( comment?, entry* ) >"
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+ "<!ATTLIST properties"
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+ " version CDATA #FIXED \"1.0\">"
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+ "<!ELEMENT comment (#PCDATA) >"
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+ "<!ELEMENT entry (#PCDATA) >"
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+ "<!ATTLIST entry "
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+ " key CDATA #REQUIRED>";
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/**
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* Version number for the format of exported properties files.
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*/
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private static final String EXTERNAL_XML_VERSION = "1.0";
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private Properties properties;
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public void load(Properties props, InputStream in)
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throws IOException, InvalidPropertiesFormatException, UnsupportedEncodingException
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{
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this.properties = props;
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try {
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SAXParser parser = new SAXParserImpl();
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parser.parse(in, this);
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} catch (SAXException saxe) {
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throw new InvalidPropertiesFormatException(saxe);
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}
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/**
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* String xmlVersion = propertiesElement.getAttribute("version"); if
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* (xmlVersion.compareTo(EXTERNAL_XML_VERSION) > 0) throw new
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* InvalidPropertiesFormatException( "Exported Properties file format
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* version " + xmlVersion + " is not supported. This java installation
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* can read" + " versions " + EXTERNAL_XML_VERSION + " or older. You" +
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* " may need to install a newer version of JDK.");
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*/
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}
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public void store(Properties props, OutputStream os, String comment, String encoding)
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throws IOException
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{
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try {
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XMLStreamWriter writer = new XMLStreamWriterImpl(os, encoding);
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writer.writeStartDocument();
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writer.writeDTD(PROPS_DTD_DECL);
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writer.writeStartElement(ELEMENT_ROOT);
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if (comment != null && comment.length() > 0) {
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writer.writeStartElement(ELEMENT_COMMENT);
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writer.writeCharacters(comment);
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writer.writeEndElement();
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}
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synchronized(props) {
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for (Entry<Object, Object> e : props.entrySet()) {
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final Object k = e.getKey();
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final Object v = e.getValue();
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if (k instanceof String && v instanceof String) {
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writer.writeStartElement(ELEMENT_ENTRY);
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writer.writeAttribute(ATTR_KEY, (String)k);
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writer.writeCharacters((String)v);
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writer.writeEndElement();
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}
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}
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}
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writer.writeEndElement();
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writer.writeEndDocument();
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writer.close();
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} catch (XMLStreamException e) {
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if (e.getCause() instanceof UnsupportedEncodingException) {
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throw (UnsupportedEncodingException) e.getCause();
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}
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throw new IOException(e);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Validate while parsing
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////////////////////////////////////////////////////////////////////
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final static String ALLOWED_ELEMENTS = "properties, comment, entry";
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final static String ALLOWED_COMMENT = "comment";
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////////////////////////////////////////////////////////////////////
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// Handler methods
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////////////////////////////////////////////////////////////////////
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StringBuffer buf = new StringBuffer();
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boolean sawComment = false;
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boolean validEntry = false;
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int rootElem = 0;
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String key;
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String rootElm;
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@Override
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public void startElement(String uri, String localName, String qName, Attributes attributes)
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throws SAXException
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{
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if (rootElem < 2) {
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rootElem++;
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}
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if (rootElm == null) {
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fatalError(new SAXParseException("An XML properties document must contain"
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+ " the DOCTYPE declaration as defined by java.util.Properties.", null));
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}
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if (rootElem == 1 && !rootElm.equals(qName)) {
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fatalError(new SAXParseException("Document root element \"" + qName
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+ "\", must match DOCTYPE root \"" + rootElm + "\"", null));
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}
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if (!ALLOWED_ELEMENTS.contains(qName)) {
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fatalError(new SAXParseException("Element type \"" + qName + "\" must be declared.", null));
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}
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if (qName.equals(ELEMENT_ENTRY)) {
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validEntry = true;
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key = attributes.getValue(ATTR_KEY);
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if (key == null) {
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fatalError(new SAXParseException("Attribute \"key\" is required and must be specified for element type \"entry\"", null));
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}
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} else if (qName.equals(ALLOWED_COMMENT)) {
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if (sawComment) {
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fatalError(new SAXParseException("Only one comment element may be allowed. "
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+ "The content of element type \"properties\" must match \"(comment?,entry*)\"", null));
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}
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sawComment = true;
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}
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}
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@Override
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public void characters(char[] ch, int start, int length) throws SAXException {
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if (validEntry) {
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buf.append(ch, start, length);
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}
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}
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@Override
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public void endElement(String uri, String localName, String qName) throws SAXException {
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if (!ALLOWED_ELEMENTS.contains(qName)) {
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fatalError(new SAXParseException("Element: " + qName + " is invalid, must match \"(comment?,entry*)\".", null));
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}
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if (validEntry) {
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properties.setProperty(key, buf.toString());
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buf.delete(0, buf.length());
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validEntry = false;
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}
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}
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@Override
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public void notationDecl(String name, String publicId, String systemId) throws SAXException {
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rootElm = name;
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}
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@Override
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public InputSource resolveEntity(String pubid, String sysid)
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throws SAXException, IOException {
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{
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if (sysid.equals(PROPS_DTD_URI)) {
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InputSource is;
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is = new InputSource(new StringReader(PROPS_DTD));
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is.setSystemId(PROPS_DTD_URI);
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return is;
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}
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throw new SAXException("Invalid system identifier: " + sysid);
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}
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}
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@Override
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public void error(SAXParseException x) throws SAXException {
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throw x;
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}
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@Override
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public void fatalError(SAXParseException x) throws SAXException {
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throw x;
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}
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@Override
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public void warning(SAXParseException x) throws SAXException {
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throw x;
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}
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}
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