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My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg/com/sun/rowset/internal/WebRowSetXmlReader.java (1 of 18352 files). Show all

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1+/*
2+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
3+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4+ *
5+ * This code is free software; you can redistribute it and/or modify it
6+ * under the terms of the GNU General Public License version 2 only, as
7+ * published by the Free Software Foundation. Oracle designates this
8+ * particular file as subject to the "Classpath" exception as provided
9+ * by Oracle in the LICENSE file that accompanied this code.
10+ *
11+ * This code is distributed in the hope that it will be useful, but WITHOUT
12+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14+ * version 2 for more details (a copy is included in the LICENSE file that
15+ * accompanied this code).
16+ *
17+ * You should have received a copy of the GNU General Public License version
18+ * 2 along with this work; if not, write to the Free Software Foundation,
19+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20+ *
21+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22+ * or visit www.oracle.com if you need additional information or have any
23+ * questions.
24+ */
25+
26+package com.sun.rowset.internal;
27+
28+import java.sql.*;
29+import javax.sql.*;
30+import java.io.*;
31+
32+import org.xml.sax.*;
33+import org.xml.sax.helpers.*;
34+import javax.xml.parsers.*;
35+
36+import com.sun.rowset.*;
37+import java.text.MessageFormat;
38+import javax.sql.rowset.*;
39+import javax.sql.rowset.spi.*;
40+
41+/**
42+ * An implementation of the <code>XmlReader</code> interface, which
43+ * reads and parses an XML formatted <code>WebRowSet</code> object.
44+ * This implementation uses an <code>org.xml.sax.Parser</code> object
45+ * as its parser.
46+ */
47+public class WebRowSetXmlReader implements XmlReader, Serializable {
48+
49+
50+ private JdbcRowSetResourceBundle resBundle;
51+
52+ public WebRowSetXmlReader(){
53+ try {
54+ resBundle = JdbcRowSetResourceBundle.getJdbcRowSetResourceBundle();
55+ } catch(IOException ioe) {
56+ throw new RuntimeException(ioe);
57+ }
58+ }
59+
60+ /**
61+ * Parses the given <code>WebRowSet</code> object, getting its input from
62+ * the given <code>java.io.Reader</code> object. The parser will send
63+ * notifications of parse events to the rowset's
64+ * <code>XmlReaderDocHandler</code>, which will build the rowset as
65+ * an XML document.
66+ * <P>
67+ * This method is called internally by the method
68+ * <code>WebRowSet.readXml</code>.
69+ * <P>
70+ * If a parsing error occurs, the exception thrown will include
71+ * information for locating the error in the original XML document.
72+ *
73+ * @param caller the <code>WebRowSet</code> object to be parsed, whose
74+ * <code>xmlReader</code> field must contain a reference to
75+ * this <code>XmlReader</code> object
76+ * @param reader the <code>java.io.Reader</code> object from which
77+ * the parser will get its input
78+ * @exception SQLException if a database access error occurs or
79+ * this <code>WebRowSetXmlReader</code> object is not the
80+ * reader for the given rowset
81+ * @see XmlReaderContentHandler
82+ */
83+ public void readXML(WebRowSet caller, java.io.Reader reader) throws SQLException {
84+ try {
85+ // Crimson Parser(as in J2SE 1.4.1 is NOT able to handle
86+ // Reader(s)(FileReader).
87+ //
88+ // But getting the file as a Stream works fine. So we are going to take
89+ // the reader but send it as a InputStream to the parser. Note that this
90+ // functionality needs to work against any parser
91+ // Crimson(J2SE 1.4.x) / Xerces(J2SE 1.5.x).
92+ InputSource is = new InputSource(reader);
93+ DefaultHandler dh = new XmlErrorHandler();
94+ XmlReaderContentHandler hndr = new XmlReaderContentHandler((RowSet)caller);
95+ SAXParserFactory factory = SAXParserFactory.newInstance();
96+ factory.setNamespaceAware(true);
97+ factory.setValidating(true);
98+ SAXParser parser = factory.newSAXParser() ;
99+
100+ parser.setProperty(
101+ "http://java.sun.com/xml/jaxp/properties/schemaLanguage", "http://www.w3.org/2001/XMLSchema");
102+
103+ XMLReader reader1 = parser.getXMLReader() ;
104+ reader1.setEntityResolver(new XmlResolver());
105+ reader1.setContentHandler(hndr);
106+
107+ reader1.setErrorHandler(dh);
108+
109+ reader1.parse(is);
110+
111+ } catch (SAXParseException err) {
112+ System.out.println (MessageFormat.format(resBundle.handleGetObject("wrsxmlreader.parseerr").toString(), new Object[]{ err.getMessage (), err.getLineNumber(), err.getSystemId()}));
113+ err.printStackTrace();
114+ throw new SQLException(err.getMessage());
115+
116+ } catch (SAXException e) {
117+ Exception x = e;
118+ if (e.getException () != null)
119+ x = e.getException();
120+ x.printStackTrace ();
121+ throw new SQLException(x.getMessage());
122+
123+ }
124+
125+ // Will be here if trying to write beyond the RowSet limits
126+
127+ catch (ArrayIndexOutOfBoundsException aie) {
128+ throw new SQLException(resBundle.handleGetObject("wrsxmlreader.invalidcp").toString());
129+ }
130+ catch (Throwable e) {
131+ throw new SQLException(MessageFormat.format(resBundle.handleGetObject("wrsxmlreader.readxml").toString() , e.getMessage()));
132+ }
133+
134+ }
135+
136+
137+ /**
138+ * Parses the given <code>WebRowSet</code> object, getting its input from
139+ * the given <code>java.io.InputStream</code> object. The parser will send
140+ * notifications of parse events to the rowset's
141+ * <code>XmlReaderDocHandler</code>, which will build the rowset as
142+ * an XML document.
143+ * <P>
144+ * Using streams is a much faster way than using <code>java.io.Reader</code>
145+ * <P>
146+ * This method is called internally by the method
147+ * <code>WebRowSet.readXml</code>.
148+ * <P>
149+ * If a parsing error occurs, the exception thrown will include
150+ * information for locating the error in the original XML document.
151+ *
152+ * @param caller the <code>WebRowSet</code> object to be parsed, whose
153+ * <code>xmlReader</code> field must contain a reference to
154+ * this <code>XmlReader</code> object
155+ * @param iStream the <code>java.io.InputStream</code> object from which
156+ * the parser will get its input
157+ * @throws SQLException if a database access error occurs or
158+ * this <code>WebRowSetXmlReader</code> object is not the
159+ * reader for the given rowset
160+ * @see XmlReaderContentHandler
161+ */
162+ public void readXML(WebRowSet caller, java.io.InputStream iStream) throws SQLException {
163+ try {
164+ InputSource is = new InputSource(iStream);
165+ DefaultHandler dh = new XmlErrorHandler();
166+
167+ XmlReaderContentHandler hndr = new XmlReaderContentHandler((RowSet)caller);
168+ SAXParserFactory factory = SAXParserFactory.newInstance();
169+ factory.setNamespaceAware(true);
170+ factory.setValidating(true);
171+
172+ SAXParser parser = factory.newSAXParser() ;
173+
174+ parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaLanguage",
175+ "http://www.w3.org/2001/XMLSchema");
176+
177+ XMLReader reader1 = parser.getXMLReader() ;
178+ reader1.setEntityResolver(new XmlResolver());
179+ reader1.setContentHandler(hndr);
180+
181+ reader1.setErrorHandler(dh);
182+
183+ reader1.parse(is);
184+
185+ } catch (SAXParseException err) {
186+ System.out.println (MessageFormat.format(resBundle.handleGetObject("wrsxmlreader.parseerr").toString(), new Object[]{err.getLineNumber(), err.getSystemId() }));
187+ System.out.println(" " + err.getMessage ());
188+ err.printStackTrace();
189+ throw new SQLException(err.getMessage());
190+
191+ } catch (SAXException e) {
192+ Exception x = e;
193+ if (e.getException () != null)
194+ x = e.getException();
195+ x.printStackTrace ();
196+ throw new SQLException(x.getMessage());
197+
198+ }
199+
200+ // Will be here if trying to write beyond the RowSet limits
201+
202+ catch (ArrayIndexOutOfBoundsException aie) {
203+ throw new SQLException(resBundle.handleGetObject("wrsxmlreader.invalidcp").toString());
204+ }
205+
206+ catch (Throwable e) {
207+ throw new SQLException(MessageFormat.format(resBundle.handleGetObject("wrsxmlreader.readxml").toString() , e.getMessage()));
208+ }
209+ }
210+
211+ /**
212+ * For code coverage purposes only right now
213+ *
214+ */
215+
216+ public void readData(RowSetInternal caller) {
217+ }
218+
219+ /**
220+ * This method re populates the resBundle
221+ * during the deserialization process
222+ *
223+ */
224+ private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
225+ // Default state initialization happens here
226+ ois.defaultReadObject();
227+ // Initialization of transient Res Bundle happens here .
228+ try {
229+ resBundle = JdbcRowSetResourceBundle.getJdbcRowSetResourceBundle();
230+ } catch(IOException ioe) {
231+ throw new RuntimeException(ioe);
232+ }
233+
234+ }
235+
236+ static final long serialVersionUID = -9127058392819008014L;
237+}