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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.common;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentLocation;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.rest.RestStatus;
import java.io.IOException;
/**
* Exception that can be used when parsing queries with a given {@link
* XContentParser}.
* Can contain information about location of the error.
*/
public class ParsingException extends ElasticsearchException {
protected static final int UNKNOWN_POSITION = -1;
private final int lineNumber;
private final int columnNumber;
public ParsingException(XContentLocation contentLocation, String msg, Object... args) {
this(contentLocation, msg, null, args);
}
public ParsingException(XContentLocation contentLocation, String msg, Throwable cause, Object... args) {
super(msg, cause, args);
int lineNumber = UNKNOWN_POSITION;
int columnNumber = UNKNOWN_POSITION;
if (contentLocation != null) {
lineNumber = contentLocation.lineNumber;
columnNumber = contentLocation.columnNumber;
}
this.columnNumber = columnNumber;
this.lineNumber = lineNumber;
}
/**
* This constructor is provided for use in unit tests where a
* {@link XContentParser} may not be available
*/
public ParsingException(int line, int col, String msg, Throwable cause) {
super(msg, cause);
this.lineNumber = line;
this.columnNumber = col;
}
public ParsingException(StreamInput in) throws IOException{
super(in);
lineNumber = in.readInt();
columnNumber = in.readInt();
}
/**
* Line number of the location of the error
*
* @return the line number or -1 if unknown
*/
public int getLineNumber() {
return lineNumber;
}
/**
* Column number of the location of the error
*
* @return the column number or -1 if unknown
*/
public int getColumnNumber() {
return columnNumber;
}
@Override
public RestStatus status() {
return RestStatus.BAD_REQUEST;
}
@Override
protected void metadataToXContent(XContentBuilder builder, Params params) throws IOException {
if (lineNumber != UNKNOWN_POSITION) {
builder.field("line", lineNumber);
builder.field("col", columnNumber);
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeInt(lineNumber);
out.writeInt(columnNumber);
}
}
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