| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.jena.rdfxml.xmlinput1; |
| |
| import org.apache.jena.rdfxml.xmlinput1.impl.ARPLocation; |
| import org.xml.sax.SAXParseException; |
| |
| import java.lang.reflect.Field; |
| |
| /** |
| * An exception during the RDF processing of ARP. Note: it is distinguished from |
| * an XML related exception from Xerces because while both are |
| * SAXParseException's, the latter are not {@link ParseException}'s. |
| */ |
| public class ParseException extends SAXParseException implements |
| ARPErrorNumbers { |
| |
| /** |
| * |
| */ |
| private static final long serialVersionUID = -5986976549492477885L; |
| final int id; |
| private final String inputName; |
| |
| public ParseException(int id, ARPLocation where, String msg) { |
| this(id, where.inputName, where.endLine, where.endColumn, msg); |
| } |
| |
| public ParseException(int id, ARPLocation where, Exception e) { |
| this(id, where.inputName, where.endLine, where.endColumn, e); |
| } |
| |
| protected ParseException(int id, String inputName, int endLine, int endColumn, String msg) { |
| super(msg, null, null, endLine, endColumn); |
| this.id = id; |
| this.inputName = inputName; |
| } |
| |
| protected ParseException(int id, String inputName, int endLine, int endColumn, Exception e) { |
| super(e.getMessage(), null, null, endLine, endColumn, e); |
| this.id = id; |
| this.inputName = inputName; |
| } |
| |
| /** |
| * The error number (from {@link ARPErrorNumbers}) related to this |
| * exception. |
| * |
| * @return The error number. |
| */ |
| public int getErrorNumber() { |
| return id; |
| } |
| |
| /** |
| * Is this error an RDF syntax error. |
| * A syntax error indicates that well-formed XML, |
| * uses RDF properties and attributes, and whitespace |
| * and XML elements, in a way that does not conform with |
| * the RDF/XML Syntax (Revised) specification. |
| * (Currently most such errors have code |
| * {@link ARPErrorNumbers#ERR_SYNTAX_ERROR}, |
| * but this may change in the future). |
| * @return True if this is a syntax error |
| */ |
| public boolean isSyntaxError() { |
| switch (id) { |
| case ERR_SYNTAX_ERROR: |
| case ERR_BAD_RDF_ELEMENT: |
| case ERR_BAD_RDF_ATTRIBUTE: |
| case ERR_LI_AS_TYPE: |
| case ERR_NOT_WHITESPACE: |
| return true; |
| } |
| return false; |
| } |
| |
| private SAXParseException rootCause() { |
| Exception e = getException(); |
| return e == null ? this : (SAXParseException) e; |
| } |
| |
| |
| |
| |
| private boolean promoteMe; |
| |
| /** |
| * Intended for use within an RDFErrorHandler. This method is untested. |
| * Marks the exception to be promoted to be thrown from the parser's entry |
| * method. |
| */ |
| public void promote() { |
| promoteMe = true; |
| } |
| |
| |
| /** |
| * The message without location information. Use either the formatMessage |
| * method, or the SAXParseException interface, to access the location |
| * information. |
| * |
| * @return The exception message. |
| */ |
| @Override |
| public String getMessage() { |
| // turn 1 to W001 |
| // turn 204 to E204 |
| String idStr = id != 0 ? "{" + (id < 200 ? "W" : "E") |
| + ("" + (1000 + id)).substring(1) + "} " : ""; |
| |
| return idStr + super.getMessage(); |
| } |
| |
| /** |
| * Calls e.getMessage() and also accesses line and column information for |
| * SAXParseException's. |
| * |
| * @return e.getMessage() possibly prepended by error location information. |
| * @param e |
| * The exception to describe. |
| */ |
| static public String formatMessage(Exception e) { |
| String msg = e.getMessage(); |
| if (msg == null) |
| msg = e.toString(); |
| if (!(e instanceof SAXParseException)) |
| return msg; |
| SAXParseException sax = (SAXParseException) e; |
| if (sax.getLineNumber() == -1) |
| return msg; |
| if (sax.getColumnNumber() == -1) |
| return "(line " + sax.getLineNumber() + "): " + msg; |
| return "(line " + sax.getLineNumber() + " column " + sax.getColumnNumber()+ "): " + msg; |
| } |
| |
| public boolean isPromoted() { |
| return promoteMe; |
| } |
| |
| /** |
| * The string from |
| * {@link ARPErrorNumbers} associated with an integer error code |
| * @param errNo An error code from {@link ARPErrorNumbers}. |
| * @return The field name from {@link ARPErrorNumbers} with this error number, or null |
| */ |
| static public String errorCodeName(int errNo) { |
| Class<?> c = ARPErrorNumbers.class; |
| java.lang.reflect.Field flds[] = c.getDeclaredFields(); |
| for ( Field fld : flds ) |
| { |
| try |
| { |
| if ( fld.getInt( null ) == errNo ) |
| { |
| return fld.getName(); |
| } |
| } |
| catch ( Exception e ) |
| { |
| // ignore exceptions |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * The integer code associated with a string from |
| * {@link ARPErrorNumbers}. |
| * @param upper A field name from {@link ARPErrorNumbers}, (in upper case). |
| * @return The integer value or -1, if none. |
| */ |
| static public int errorCode(String upper) { |
| Class<?> c = ARPErrorNumbers.class; |
| try { |
| java.lang.reflect.Field fld = c.getField(upper); |
| return fld.getInt(null); |
| } catch (Exception e) { |
| return -1; |
| } |
| } |
| } |