001: /*--
002:
003: $Id: OracleV2DOMAdapter.java,v 1.18 2004/02/06 09:28:31 jhunter Exp $
004:
005: Copyright (C) 2000-2004 Jason Hunter & Brett McLaughlin.
006: All rights reserved.
007:
008: Redistribution and use in source and binary forms, with or without
009: modification, are permitted provided that the following conditions
010: are met:
011:
012: 1. Redistributions of source code must retain the above copyright
013: notice, this list of conditions, and the following disclaimer.
014:
015: 2. Redistributions in binary form must reproduce the above copyright
016: notice, this list of conditions, and the disclaimer that follows
017: these conditions in the documentation and/or other materials
018: provided with the distribution.
019:
020: 3. The name "JDOM" must not be used to endorse or promote products
021: derived from this software without prior written permission. For
022: written permission, please contact <request_AT_jdom_DOT_org>.
023:
024: 4. Products derived from this software may not be called "JDOM", nor
025: may "JDOM" appear in their name, without prior written permission
026: from the JDOM Project Management <request_AT_jdom_DOT_org>.
027:
028: In addition, we request (but do not require) that you include in the
029: end-user documentation provided with the redistribution and/or in the
030: software itself an acknowledgement equivalent to the following:
031: "This product includes software developed by the
032: JDOM Project (http://www.jdom.org/)."
033: Alternatively, the acknowledgment may be graphical using the logos
034: available at http://www.jdom.org/images/logos.
035:
036: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
037: WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
038: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
039: DISCLAIMED. IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
040: CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
041: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
042: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
043: USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
044: ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
045: OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
046: OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
047: SUCH DAMAGE.
048:
049: This software consists of voluntary contributions made by many
050: individuals on behalf of the JDOM Project and was originally
051: created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
052: Brett McLaughlin <brett_AT_jdom_DOT_org>. For more information
053: on the JDOM Project, please see <http://www.jdom.org/>.
054:
055: */
056:
057: package org.jdom.adapters;
058:
059: import java.io.*;
060: import java.lang.reflect.*;
061:
062: import org.jdom.*;
063: import org.w3c.dom.Document;
064: import org.xml.sax.*;
065:
066: /**
067: * An adapter for the Oracle Version 2 DOM parser.
068: *
069: * @version $Revision: 1.18 $, $Date: 2004/02/06 09:28:31 $
070: * @author Brett McLaughlin
071: * @author Jason Hunter
072: */
073: public class OracleV2DOMAdapter extends AbstractDOMAdapter {
074:
075: private static final String CVS_ID = "@(#) $RCSfile: OracleV2DOMAdapter.java,v $ $Revision: 1.18 $ $Date: 2004/02/06 09:28:31 $ $Name: jdom_1_0 $";
076:
077: /**
078: * This creates a new <code>{@link Document}</code> from an
079: * existing <code>InputStream</code> by letting a DOM
080: * parser handle parsing using the supplied stream.
081: *
082: * @param in <code>InputStream</code> to parse.
083: * @param validate <code>boolean</code> to indicate if validation should occur.
084: * @return <code>Document</code> - instance ready for use.
085: * @throws IOException when I/O error occurs.
086: * @throws JDOMException when errors occur in parsing.
087: */
088: public Document getDocument(InputStream in, boolean validate)
089: throws IOException, JDOMException {
090:
091: try {
092: // Load the parser class
093: Class parserClass = Class
094: .forName("oracle.xml.parser.v2.DOMParser");
095: Object parser = parserClass.newInstance();
096:
097: // Parse the document
098: Method parse = parserClass.getMethod("parse",
099: new Class[] { org.xml.sax.InputSource.class });
100: parse.invoke(parser, new Object[] { new InputSource(in) });
101:
102: // Get the Document object
103: Method getDocument = parserClass.getMethod("getDocument",
104: null);
105: Document doc = (Document) getDocument.invoke(parser, null);
106:
107: return doc;
108: } catch (InvocationTargetException e) {
109: Throwable targetException = e.getTargetException();
110: if (targetException instanceof org.xml.sax.SAXParseException) {
111: SAXParseException parseException = (SAXParseException) targetException;
112: throw new JDOMException("Error on line "
113: + parseException.getLineNumber()
114: + " of XML document: "
115: + parseException.getMessage(), parseException);
116: } else if (targetException instanceof IOException) {
117: IOException ioException = (IOException) targetException;
118: throw ioException;
119: } else {
120: throw new JDOMException(targetException.getMessage(),
121: targetException);
122: }
123: } catch (Exception e) {
124: throw new JDOMException(e.getClass().getName() + ": "
125: + e.getMessage(), e);
126: }
127: }
128:
129: /**
130: * This creates an empty <code>Document</code> object based
131: * on a specific parser implementation.
132: *
133: * @return <code>Document</code> - created DOM Document.
134: * @throws JDOMException when errors occur.
135: */
136: public Document createDocument() throws JDOMException {
137: try {
138: return (Document) Class.forName(
139: "oracle.xml.parser.v2.XMLDocument").newInstance();
140:
141: } catch (Exception e) {
142: throw new JDOMException(e.getClass().getName() + ": "
143: + e.getMessage() + " when creating document", e);
144: }
145: }
146: }
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