| /* |
| * 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.phoenix.exception; |
| |
| import java.sql.SQLSyntaxErrorException; |
| |
| import org.antlr.runtime.MismatchedTokenException; |
| import org.antlr.runtime.MissingTokenException; |
| import org.antlr.runtime.RecognitionException; |
| import org.antlr.runtime.Token; |
| import org.antlr.runtime.UnwantedTokenException; |
| |
| |
| public class PhoenixParserException extends SQLSyntaxErrorException { |
| private static final long serialVersionUID = 1L; |
| |
| public static final PhoenixParserException newException(Throwable cause, String[] tokens) { |
| return new PhoenixParserException(getErrorMessage(cause, tokens), cause); |
| } |
| |
| public PhoenixParserException(String msg, Throwable throwable) { |
| super(new SQLExceptionInfo.Builder(getErrorCode(throwable)).setRootCause(throwable) |
| .setMessage(msg).build().toString(), |
| getErrorCode(throwable).getSQLState(), getErrorCode(throwable).getErrorCode(), throwable); |
| } |
| |
| public static String getLine(RecognitionException e) { |
| return Integer.toString(e.token.getLine()); |
| } |
| |
| public static String getColumn(RecognitionException e) { |
| return Integer.toString(e.token.getCharPositionInLine() + 1); |
| } |
| |
| public static String getTokenLocation(RecognitionException e) { |
| return "line " + getLine(e) + ", column " + getColumn(e) + "."; |
| } |
| |
| public static String getErrorMessage(Throwable e, String[] tokenNames) { |
| String msg; |
| if (e instanceof MissingTokenException) { |
| MissingTokenException mte = (MissingTokenException)e; |
| String tokenName; |
| if (mte.expecting== Token.EOF) { |
| tokenName = "EOF"; |
| } else { |
| tokenName = tokenNames[mte.expecting]; |
| } |
| msg = "Missing \""+ tokenName +"\" at "+ getTokenLocation(mte); |
| } else if (e instanceof UnwantedTokenException) { |
| UnwantedTokenException ute = (UnwantedTokenException)e; |
| String tokenName; |
| if (ute.expecting== Token.EOF) { |
| tokenName = "EOF"; |
| } else { |
| tokenName = tokenNames[ute.expecting]; |
| } |
| msg = "Unexpected input. Expecting \"" + tokenName + "\", got \"" + ute.getUnexpectedToken().getText() |
| + "\" at " + getTokenLocation(ute); |
| } else if (e instanceof MismatchedTokenException) { |
| MismatchedTokenException mte = (MismatchedTokenException)e; |
| String tokenName; |
| if (mte.expecting== Token.EOF) { |
| tokenName = "EOF"; |
| } else { |
| tokenName = tokenNames[mte.expecting]; |
| } |
| msg = "Mismatched input. Expecting \"" + tokenName + "\", got \"" + mte.token.getText() |
| + "\" at " + getTokenLocation(mte); |
| } else if (e instanceof RecognitionException){ |
| RecognitionException re = (RecognitionException) e; |
| msg = "Encountered \"" + re.token.getText() + "\" at " + getTokenLocation(re); |
| } else if (e instanceof UnknownFunctionException) { |
| UnknownFunctionException ufe = (UnknownFunctionException) e; |
| msg = "Unknown function: \"" + ufe.getFuncName() + "\"."; |
| } else { |
| msg = e.getMessage(); |
| } |
| return msg; |
| } |
| |
| public static SQLExceptionCode getErrorCode(Throwable e) { |
| if (e instanceof MissingTokenException) { |
| return SQLExceptionCode.MISSING_TOKEN; |
| } else if (e instanceof UnwantedTokenException) { |
| return SQLExceptionCode.UNWANTED_TOKEN; |
| } else if (e instanceof MismatchedTokenException) { |
| return SQLExceptionCode.MISMATCHED_TOKEN; |
| } else if (e instanceof UnknownFunctionException) { |
| return SQLExceptionCode.UNKNOWN_FUNCTION; |
| } else { |
| return SQLExceptionCode.PARSER_ERROR; |
| } |
| } |
| } |